first commit

.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.5/apache-maven-3.8.5-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar

mvnw

@@ -0,0 +1,316 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /usr/local/etc/mavenrc ] ; then
+    . /usr/local/etc/mavenrc
+  fi
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`\\unset -f command; \\command -v java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    fi
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  $MAVEN_DEBUG_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" \
+  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

mvnw.cmd

@@ -0,0 +1,188 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%

pom.xml

@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.5.2</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.aos</groupId>
+    <artifactId>aos-file-identify</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>aos-file-identify</name>
+    <description>aos-file-identify</description>
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-autoconfigure</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <!-- swagger -->
+        <dependency>
+            <groupId>com.github.xiaoymin</groupId>
+            <artifactId>knife4j-spring-boot-starter</artifactId>
+            <version>3.0.3</version>
+        </dependency>
+        <!-- mybatis plus -->
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <version>3.5.2</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid-spring-boot-starter</artifactId>
+            <version>1.2.11</version>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <!-- lombok -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.24</version>
+        </dependency>
+        <!-- pdf处理类 -->
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>itextpdf</artifactId>
+            <version>5.5.13.3</version>
+        </dependency>
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>itext-asian</artifactId>
+            <version>5.2.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcprov-jdk18on</artifactId>
+            <version>1.71</version>
+        </dependency>
+        <!-- excel处理类 -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>easyexcel</artifactId>
+            <version>3.1.1</version>
+        </dependency>
+        <!-- json处理类 -->
+        <dependency>
+            <groupId>com.mastfrog</groupId>
+            <artifactId>jackson</artifactId>
+            <version>2.8.3</version>
+        </dependency>
+        <!-- hutool -->
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>5.8.4</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/com/aos/fileidentify/AosFileIdentifyApplication.java

@@ -0,0 +1,13 @@
+package com.aos.fileidentify;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class AosFileIdentifyApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(AosFileIdentifyApplication.class, args);
+    }
+
+}

src/main/java/com/aos/fileidentify/config/Knife4jConfiguration.java

@@ -0,0 +1,44 @@
+package com.aos.fileidentify.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import springfox.documentation.builders.ApiInfoBuilder;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+/**
+ * <p>Company: 成都返空汇网络技术有限公司</p>
+ * <p>Description:  </p>
+ *
+ * @author yangjiyu
+ * @version x.x.x
+ * @email "mailto:yangjiyu@fkhwl.com"
+ * @date 2022.07.04 09:50
+ * @since x.x.x
+ */
+@Configuration
+@EnableSwagger2
+public class Knife4jConfiguration {
+
+    @Bean(value = "defaultApi2")
+    public Docket defaultApi2() {
+        Docket docket = new Docket(DocumentationType.SWAGGER_2)
+            .apiInfo(new ApiInfoBuilder()
+                         .title("AOS&中粮大悦城集团")
+                         .description("# 人力资源中心数据处理")
+                         .version("1.0")
+                         .build())
+            //分组名称
+            .groupName("2.X版本")
+            .select()
+            //这里指定Controller扫描包路径
+            .apis(RequestHandlerSelectors.basePackage("com.aos.fileidentify.controller"))
+            .paths(PathSelectors.any())
+            .build();
+        return docket;
+    }
+}

src/main/java/com/aos/fileidentify/controller/FileIdentifyController.java

@@ -0,0 +1,44 @@
+package com.aos.fileidentify.controller;
+
+import com.aos.fileidentify.service.FileIdentifyService;
+
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestPart;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.AllArgsConstructor;
+
+/**
+ * <p>Company: 成都返空汇网络技术有限公司</p>
+ * <p>Description:  </p>
+ *
+ * @author yangjiyu
+ * @version x.x.x
+ * @email "mailto:yangjiyu@fkhwl.com"
+ * @date 2022.07.04 09:53
+ * @since x.x.x
+ */
+@Api(value = "PDF文件上传识别服务")
+@RestController("/fileIdentify")
+@AllArgsConstructor
+public class FileIdentifyController {
+
+    private final FileIdentifyService fileIdentifyService;
+
+
+    /**
+     * Identify pdf
+     *
+     * @param file file
+     * @since 0.0.1
+     */
+    @ApiOperation(value = "pdf文件解析服务")
+    @PostMapping(value = "/pdf")
+    public void identifyPdf(@RequestPart("pdf") MultipartFile file) {
+        this.fileIdentifyService.process(file);
+    }
+
+}

src/main/java/com/aos/fileidentify/entity/dto/PdfFileDTO.java

@@ -0,0 +1,25 @@
+package com.aos.fileidentify.entity.dto;
+
+import lombok.Data;
+
+/**
+ * <p>Company: 成都返空汇网络技术有限公司</p>
+ * <p>Description:  </p>
+ *
+ * @author yangjiyu
+ * @version 1.0.0
+ * @email "mailto:yangjiyu@fkhwl.com"
+ * @date 2022.07.04 10:28
+ * @since 1.0.0
+ */
+@Data
+public class PdfFileDTO {
+    /** 姓名 */
+    private String name;
+    /** 现任职位 */
+    private String currentPosition;
+    /** 曾任职位 */
+    private String previousPosition;
+    /** 兼任职位 */
+    private String partTimePosition;
+}

src/main/java/com/aos/fileidentify/service/FileIdentifyService.java

@@ -0,0 +1,23 @@
+package com.aos.fileidentify.service;
+
+import org.springframework.web.multipart.MultipartFile;
+
+/**
+ * <p>Company: 成都返空汇网络技术有限公司</p>
+ * <p>Description:  </p>
+ *
+ * @author yangjiyu
+ * @version x.x.x
+ * @email "mailto:yangjiyu@fkhwl.com"
+ * @date 2022.07.04 11:00
+ * @since x.x.x
+ */
+public interface FileIdentifyService {
+    /**
+     * Process
+     *
+     * @param file file
+     * @since 0.0.1
+     */
+    void process(MultipartFile file);
+}

src/main/java/com/aos/fileidentify/service/impl/FileIdentifyServiceImpl.java

@@ -0,0 +1,70 @@
+package com.aos.fileidentify.service.impl;
+
+import com.aos.fileidentify.entity.dto.PdfFileDTO;
+import com.aos.fileidentify.service.FileIdentifyService;
+import com.aos.fileidentify.util.PdfUtils;
+
+import org.springframework.stereotype.Service;
+import org.springframework.util.Assert;
+import org.springframework.web.multipart.MultipartFile;
+
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * <p>Company: 成都返空汇网络技术有限公司</p>
+ * <p>Description:  </p>
+ *
+ * @author yangjiyu
+ * @version 1.0.0
+ * @email "mailto:yangjiyu@fkhwl.com"
+ * @date 2022.07.04 11:00
+ * @since 1.0.0
+ */
+@Slf4j
+@Service
+public class FileIdentifyServiceImpl implements FileIdentifyService {
+
+
+    /**
+     * Process
+     *
+     * @param file file
+     * @since 0.0.1
+     */
+    @Override
+    public void process(MultipartFile file) {
+        Assert.notNull(file, "上传数据为空");
+        try {
+            String pdfContent = PdfUtils.getPdfContent(file);
+            String title = pdfContent.replaceAll("任命通知.*", "") + "任命通知";
+            String mainBody = pdfContent.replaceAll(".*现公布如下：", "").replaceAll("特此通知.*", "");
+            List<String> tempList = Arrays.stream(mainBody.split("。")).collect(Collectors.toList());
+            log.info(title);
+            List<PdfFileDTO> pdfFileDTOList = new ArrayList<>();
+            for (String str : tempList) {
+                PdfFileDTO pdfFileDTO = new PdfFileDTO();
+                pdfFileDTO.setName(str.replaceAll("同志.*", ""));
+                List<String> tempList2 = Arrays.stream(str.split("，")).collect(Collectors.toList());
+                for (String str2 : tempList2) {
+                    if (str2.contains("同志兼任")) {
+                        pdfFileDTO.setPartTimePosition(str2.replaceAll(".*同志兼任", ""));
+                    } else if (str2.contains("同志任")) {
+                        pdfFileDTO.setCurrentPosition(str2.replaceAll(".*同志任", ""));
+                    } else if (str2.contains("不再担任")) {
+                        pdfFileDTO.setPreviousPosition(str2.replaceAll(".*不再担任", ""));
+                    }
+                }
+                log.info(pdfFileDTO.toString());
+                pdfFileDTOList.add(pdfFileDTO);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/com/aos/fileidentify/util/PdfUtils.java

@@ -0,0 +1,893 @@
+package com.aos.fileidentify.util;
+
+import com.itextpdf.text.Anchor;
+import com.itextpdf.text.Annotation;
+import com.itextpdf.text.BaseColor;
+import com.itextpdf.text.Chapter;
+import com.itextpdf.text.Chunk;
+import com.itextpdf.text.Document;
+import com.itextpdf.text.DocumentException;
+import com.itextpdf.text.Element;
+import com.itextpdf.text.Font;
+import com.itextpdf.text.Image;
+import com.itextpdf.text.List;
+import com.itextpdf.text.ListItem;
+import com.itextpdf.text.PageSize;
+import com.itextpdf.text.Paragraph;
+import com.itextpdf.text.Phrase;
+import com.itextpdf.text.Rectangle;
+import com.itextpdf.text.Section;
+import com.itextpdf.text.pdf.BaseFont;
+import com.itextpdf.text.pdf.ColumnText;
+import com.itextpdf.text.pdf.PdfAnnotation;
+import com.itextpdf.text.pdf.PdfContentByte;
+import com.itextpdf.text.pdf.PdfImportedPage;
+import com.itextpdf.text.pdf.PdfPageEventHelper;
+import com.itextpdf.text.pdf.PdfReader;
+import com.itextpdf.text.pdf.PdfStamper;
+import com.itextpdf.text.pdf.PdfTransition;
+import com.itextpdf.text.pdf.PdfWriter;
+import com.itextpdf.text.pdf.draw.DottedLineSeparator;
+import com.itextpdf.text.pdf.draw.LineSeparator;
+import com.itextpdf.text.pdf.draw.VerticalPositionMark;
+import com.itextpdf.text.pdf.parser.PdfTextExtractor;
+
+
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.StringJoiner;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+
+/**
+ * <p>Company: 成都返空汇网络技术有限公司</p>
+ * <p>Description:  </p>
+ *
+ * @author yangjiyu
+ * @version 1.0.0
+ * @email "mailto:yangjiyu@fkhwl.com"
+ * @date 2022.07.04 11:43
+ * @since 1.0.0
+ */
+public class PdfUtils {
+    public static final String FILE_DIR = "E:\\guor\\itext\\";
+    public static final String CONST_JPG_JAVA = FILE_DIR + "java.jpg";
+    public static final String CONST_JPG_NGINX = FILE_DIR + "nginx.jpg";
+    private static final String CONST_NEZHA = "哪吒编程";
+    private static final String CONST_NEZHA_PROGRAM = "获取Java学习资料请关注公众号：哪吒编程";
+    private static final String CONST_BIBIDONG = "比比东";
+    private static final String CONST_YUNYUN = "云韵";
+    private static final String CONST_BAIDU = "百度一下 你就知道";
+    private static final String CONST_BAIDU_URL = "https://www.baidu.com";
+
+    private static final String CONST_PAGE_FIRST = "第一页";
+    private static final String CONST_PAGE_SECOND = "第二页";
+    private static final String CONST_PAGE_THIRD = "第三页";
+    private static final String CONST_PAGE_FOUR = "第四页";
+    private static final String CONST_PAGE_FIVE = "第五页";
+
+    private static final String CONST_TITLE_FIRST = "一级标题";
+    private static final String CONST_TITLE_SECOND = "二级标题";
+    private static final String CONST_CONTENT = "内容";
+
+    // 普通中文字体
+    public static Font STATIC_FONT_CHINESE = null;
+    // 超链字体
+    public static Font STATIC_FONT_LINK = null;
+
+    public static Document document;
+
+    private static void pdfFontInit() throws IOException, DocumentException {
+        // 微软雅黑
+        BaseFont chinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
+
+        // 普通中文字体
+        STATIC_FONT_CHINESE = new Font(chinese, 12, Font.NORMAL);// Font.BOLD为加粗
+
+        // 超链字体
+        STATIC_FONT_LINK = new Font(chinese, 12, Font.NORMAL, BaseColor.BLUE);
+    }
+
+    // public static void main(String[] args) throws Exception {
+    //     pdfFontInit();
+    //     //createPDF();// 生成一个 PDF 文件
+    //     //createPDFWithColor();// 设置PDF的页面大小和背景颜色
+    //     //createPDFWithPassWord();// 创建带密码的PDF
+    //     //createPDFWithNewPages();// 为PDF添加页
+    //     //createPDFWithWaterMark();// 为PDF文件添加水印，背景图
+    //     //createPDFWithContent();//插入块Chunk, 内容Phrase, 段落Paragraph, List
+    //     //createPDFWithExtraContent();//插入Anchor, Image, Chapter, Section
+    //     //draw();//画图
+    //     //createPDFWithAlignment();//设置段落
+    //     //createPDFToDeletePage();//删除 page
+    //     //insertPage();// 插入 page
+    //     //splitPDF();//分割 page
+    //     //mergePDF();// 合并 PDF 文件
+    //     //sortpage();// 排序page
+    //     //setHeaderFooter();// 页眉，页脚
+    //     //addColumnText();// 左右文字
+    //     //setView();// 文档视图
+    //     //pdfToZip();// 压缩PDF到Zip
+    //     addAnnotation();// 注释
+    // }
+
+    /**
+     * 创建一个 PDF 文件，并添加文本
+     */
+    public static void createPDF() throws IOException, DocumentException {
+        // 实例化 document
+        document = new Document();
+        // 生成文件
+        String path = FILE_DIR + "createPDF.pdf";
+        File file = new File(path);
+        if (!file.exists()) {
+            file.createNewFile();
+        }
+        PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "createPDF.pdf"));
+        // 打开 document
+        document.open();
+        // 添加文本 此处无法写入中文 TODO
+        document.add(new Paragraph(CONST_NEZHA));
+
+
+        document.add(new Paragraph(CONST_NEZHA, STATIC_FONT_CHINESE));
+        // 关闭 document
+        document.close();
+    }
+
+    /**
+     * 创建PDF文件，修改文件的属性
+     */
+    public static void createPDFWithColor() throws FileNotFoundException, DocumentException {
+        // 页面大小
+        Rectangle rect = new Rectangle(PageSize.A5.rotate());
+        // 页面背景色
+        rect.setBackgroundColor(BaseColor.YELLOW);
+        document = new Document(rect);
+        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "createPDFWithColor.pdf"));
+        // PDF版本(默认1.4)
+        writer.setPdfVersion(PdfWriter.VERSION_1_6);
+        // 文档属性
+        document.addAuthor(CONST_NEZHA);
+        document.addTitle("我的第一个pdf");
+        // 页边空白
+        document.setMargins(10, 10, 10, 10);
+        // 打开
+        document.open();
+        document.add(new Paragraph(CONST_NEZHA, STATIC_FONT_CHINESE));
+        // 关闭
+        document.close();
+    }
+
+    /**
+     * 创建带密码的PDF
+     */
+    public static void createPDFWithPassWord() throws FileNotFoundException, DocumentException {
+        // 页面大小
+        Rectangle rect = new Rectangle(PageSize.A5.rotate());
+        // 页面背景色
+        rect.setBackgroundColor(BaseColor.YELLOW);
+        document = new Document(rect);
+        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "createPDFWithPassWord.pdf"));
+
+        // userPassword打开密码："123"
+        // ownerPassword编辑密码: "123456"
+        writer.setEncryption("123".getBytes(), "123456".getBytes(), PdfWriter.ALLOW_SCREENREADERS, PdfWriter.STANDARD_ENCRYPTION_128);
+        document.open();
+        document.add(new Paragraph(CONST_NEZHA, STATIC_FONT_CHINESE));
+        document.close();
+    }
+
+    /**
+     * 为PDF添加页
+     */
+    public static void createPDFWithNewPages() throws FileNotFoundException, DocumentException {
+        document = new Document();
+
+        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "createPDFAddNewPages.pdf"));
+
+        document.open();
+
+        document.add(new Paragraph(CONST_PAGE_FIRST, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_SECOND, STATIC_FONT_CHINESE));
+        writer.setPageEmpty(true);
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_THIRD, STATIC_FONT_CHINESE));
+
+        document.close();
+    }
+
+    /**
+     * 为PDF文件添加水印，背景图
+     */
+    public static void createPDFWithWaterMark() throws IOException, DocumentException {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithWaterMark.pdf");
+
+        document = new Document();
+
+        PdfWriter.getInstance(document, out);
+
+        document.open();
+        document.add(new Paragraph(CONST_PAGE_FIRST, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_SECOND, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_THIRD, STATIC_FONT_CHINESE));
+
+        document.close();
+
+        // 图片水印
+        PdfReader reader = new PdfReader(FILE_DIR + "createPDFWithWaterMark.pdf");
+        PdfStamper stamp = new PdfStamper(reader, new FileOutputStream(FILE_DIR + "createPDFWithWaterMark2.pdf"));
+
+        Image img = Image.getInstance(CONST_JPG_JAVA);
+        img.setAbsolutePosition(200, 200);
+        PdfContentByte under = stamp.getUnderContent(1);
+        under.addImage(img);
+
+        // 文字水印
+        PdfContentByte over = stamp.getOverContent(2);
+
+        // 加载字库来完成对字体的创建
+        BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED);
+
+        over.beginText();
+
+        // 设置颜色 默认为蓝色
+        over.setColorFill(BaseColor.RED);
+        // 设置字体字号
+        over.setFontAndSize(bf, 50);
+        // 设置起始位置
+        over.setTextMatrix(30, 30);
+        // 开始写入水印 左-下-倾斜度
+        over.showTextAligned(Element.ALIGN_LEFT, "nezha", 245, 400, 30);
+        over.endText();
+
+        // 背景图
+        Image img2 = Image.getInstance(CONST_JPG_NGINX);
+        img2.setAbsolutePosition(0, 0);
+        PdfContentByte under2 = stamp.getUnderContent(3);
+        under2.addImage(img2);
+
+        stamp.close();
+        reader.close();
+
+    }
+
+    /**
+     * 插入Chunk, Phrase, Paragraph, List
+     * Chunk : 块，PDF文档中描述的最小原子元素
+     * Phrase : 短语，Chunk的集合
+     * Paragraph : 段落，一个有序的Phrase集合
+     */
+    public static void createPDFWithContent() throws DocumentException, FileNotFoundException {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithContent.pdf");
+        document = new Document();
+        PdfWriter.getInstance(document, out);
+
+        document.open();
+
+        // 添加块
+        document.add(new Chunk(CONST_NEZHA, STATIC_FONT_CHINESE));
+        Font font = new Font(Font.FontFamily.HELVETICA, 8, Font.BOLD, BaseColor.WHITE);
+        Chunk id = new Chunk("springboot", font);
+        id.setBackground(BaseColor.BLACK, 1f, 0.5f, 1f, 1.5f);
+        id.setTextRise(7);
+        document.add(id);
+        Font font2 = new Font(Font.FontFamily.HELVETICA, 6, Font.BOLD, BaseColor.WHITE);
+        Chunk id2 = new Chunk("springcloud", font2);
+        id2.setBackground(BaseColor.BLACK, 1f, 0.5f, 1f, 1.5f);
+        id2.setTextRise(3);
+
+        id2.setUnderline(0.2f, -2f);
+        document.add(id2);
+        document.add(Chunk.NEWLINE);
+
+        // 添加一页，添加短语
+        document.newPage();
+        document.add(new Phrase("Phrase page"));
+
+        // 添加短语
+        Phrase director = new Phrase();
+        Chunk name = new Chunk(CONST_BIBIDONG, STATIC_FONT_CHINESE);
+        // 添加下划线（thickness:下划线的粗细，yPosition:下划线离字的距离）
+        name.setUnderline(0.5f, -1f);
+        director.add(name);
+        director.add(new Chunk(","));
+        director.add(new Chunk(" "));
+        director.add(new Chunk(CONST_YUNYUN, STATIC_FONT_CHINESE));
+        director.setLeading(24);
+        document.add(director);
+
+        // 添加一页
+        document.newPage();
+        Phrase director2 = new Phrase();
+        Chunk name2 = new Chunk(CONST_BIBIDONG, STATIC_FONT_CHINESE);
+        name2.setUnderline(0.2f, -2f);
+        director2.add(name2);
+        director2.add(new Chunk(","));
+        director2.add(new Chunk(" "));
+        director2.add(new Chunk(CONST_YUNYUN, STATIC_FONT_CHINESE));
+        director2.setLeading(24);
+        document.add(director2);
+
+        // 添加段落
+        document.newPage();
+        document.add(new Paragraph("Paragraph page"));
+
+        Paragraph info = new Paragraph();
+        info.add(new Chunk(CONST_NEZHA));
+        info.add(new Chunk(CONST_BIBIDONG));
+        info.add(Chunk.NEWLINE);
+        info.add(new Phrase(CONST_NEZHA));
+        info.add(new Phrase(CONST_NEZHA));
+        document.add(info);
+
+        // 通过循环添加段落信息
+        document.newPage();
+        List list = new List(List.ORDERED);
+        for (int i = 0; i < 5; i++) {
+            ListItem item = new ListItem(String.format("%s: %d " + CONST_NEZHA, CONST_YUNYUN + (i + 1), (i + 1) * 100),
+                                         new Font(Font.FontFamily.HELVETICA, 6, Font.BOLD, BaseColor.WHITE));
+            List girllist = new List(List.ORDERED, List.ALPHABETICAL);
+            girllist.setLowercase(List.LOWERCASE);
+            for (int j = 0; j < 3; j++) {
+                ListItem girlitem = new ListItem("girls" + (j + 1));
+                List rolelist = new List(List.UNORDERED);
+                for (int k = 0; k < 2; k++) {
+                    rolelist.add(String.format("%s, %s", CONST_NEZHA + (k + 1), CONST_BIBIDONG + (k + 1)));
+                }
+                girlitem.add(rolelist);
+                girllist.add(girlitem);
+            }
+            item.add(girllist);
+            list.add(item);
+        }
+        document.add(list);
+        document.close();
+    }
+
+    /**
+     * 插入锚Anchor, Image, 章节Chapter, 子列表Section
+     */
+    public static void createPDFWithExtraContent() throws DocumentException, MalformedURLException, IOException {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithExtraContent.pdf");
+
+        document = new Document();
+
+        PdfWriter.getInstance(document, out);
+
+        document.open();
+
+        String content = "you can get anything from : ";
+        Paragraph paragraph = new Paragraph(content);
+
+        // 创建一个链接到外部网站的新锚点
+        // 并将此锚点添加到段落中。
+        Anchor anchor = new Anchor(CONST_BAIDU, STATIC_FONT_LINK);
+        anchor.setReference(CONST_BAIDU_URL);
+        paragraph.add(anchor);
+
+        document.add(paragraph);
+
+        // Image对象
+        document.newPage();
+        Image img = Image.getInstance(CONST_JPG_NGINX);
+        img.setAlignment(Image.LEFT | Image.TEXTWRAP);
+        img.setBorder(Image.BOX);
+        img.setBorderWidth(10);
+        img.setBorderColor(BaseColor.WHITE);
+        img.scaleToFit(800, 50);// 大小
+        img.setRotationDegrees(-50);// 旋转
+        document.add(img);
+
+        // 章节Chapter -- 目录
+        document.newPage();
+        Paragraph title = new Paragraph(CONST_TITLE_FIRST, STATIC_FONT_CHINESE);
+        // 标题和序号
+        Chapter chapter = new Chapter(title, 1);
+
+        // 子列表Section
+        title = new Paragraph(CONST_TITLE_SECOND, STATIC_FONT_CHINESE);
+        Section section = chapter.addSection(title);
+        section.setBookmarkTitle(CONST_NEZHA);
+        section.setIndentation(10);
+        section.setBookmarkOpen(false);
+        section.setNumberStyle(Section.NUMBERSTYLE_DOTTED_WITHOUT_FINAL_DOT);
+
+        Section subsection1 = section.addSection(new Paragraph(CONST_CONTENT, STATIC_FONT_CHINESE));
+        subsection1.setIndentationLeft(10);
+        subsection1.setNumberDepth(1);
+
+        document.add(chapter);
+
+        document.close();
+    }
+
+    /**
+     * 画图
+     */
+    public static void draw() throws Exception {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "draw.pdf");
+
+        document = new Document();
+
+        PdfWriter.getInstance(document, out);
+
+        document.open();
+
+        // 左右箭头
+        document.add(new VerticalPositionMark() {
+
+            @Override
+            public void draw(PdfContentByte canvas, float llx, float lly, float urx, float ury, float y) {
+                canvas.beginText();
+                BaseFont bf = null;
+                try {
+                    bf = BaseFont.createFont(BaseFont.ZAPFDINGBATS, "", BaseFont.EMBEDDED);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                canvas.setFontAndSize(bf, 12);
+
+                // LEFT
+                canvas.showTextAligned(Element.ALIGN_CENTER, String.valueOf((char) 220), llx - 10, y, 0);
+                // RIGHT
+                canvas.showTextAligned(Element.ALIGN_CENTER, String.valueOf((char) 220), urx + 10, y + 8, 180);
+
+                canvas.endText();
+            }
+        });
+
+        // 直线
+        Paragraph p1 = new Paragraph(CONST_NEZHA, STATIC_FONT_CHINESE);
+        p1.add(new Chunk(new LineSeparator()));
+        p1.add(CONST_BIBIDONG);
+        document.add(p1);
+        // 点线
+        Paragraph p2 = new Paragraph(CONST_NEZHA, STATIC_FONT_CHINESE);
+        p2.add(new Chunk(new DottedLineSeparator()));
+        p2.add(CONST_BIBIDONG);
+        document.add(p2);
+        // 下滑线
+        LineSeparator UNDERLINE = new LineSeparator(1, 100, null, Element.ALIGN_CENTER, -2);
+        Paragraph p3 = new Paragraph(CONST_NEZHA_PROGRAM, STATIC_FONT_CHINESE);
+        p3.add(UNDERLINE);
+        document.add(p3);
+
+        document.close();
+    }
+
+    /**
+     * 设置段落
+     */
+    public static void createPDFWithAlignment() throws Exception {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithAlignment.pdf");
+
+        document = new Document();
+
+        PdfWriter.getInstance(document, out);
+
+        document.open();
+
+        Paragraph p = new Paragraph("Never frown, even when you are sad, because you never know who is falling in love with your smile;" +
+                                    "You will see exactly what life is worth, when all the rest has gone;" +
+                                    "It is very simple to be happy, but it is very difficult to be simple.");
+
+        // 默认
+        p.setAlignment(Element.ALIGN_JUSTIFIED);
+        document.add(p);
+
+        // 慢慢的向右移动
+        document.newPage();
+        p.setAlignment(Element.ALIGN_JUSTIFIED);
+        p.setIndentationLeft(1 * 15f);
+        p.setIndentationRight((5 - 1) * 15f);
+        document.add(p);
+
+        // 居右
+        document.newPage();
+        p.setAlignment(Element.ALIGN_RIGHT);
+        p.setSpacingAfter(15f);
+        document.add(p);
+
+        // 居左
+        document.newPage();
+        p.setAlignment(Element.ALIGN_LEFT);
+        p.setSpacingBefore(15f);
+        document.add(p);
+
+        // 居中
+        document.newPage();
+        p.setAlignment(Element.ALIGN_CENTER);
+        p.setSpacingAfter(15f);
+        p.setSpacingBefore(15f);
+        document.add(p);
+
+        document.close();
+    }
+
+    /**
+     * 删除页
+     */
+    public static void createPDFToDeletePage() throws Exception {
+
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFToDeletePage.pdf");
+
+        document = new Document();
+
+        PdfWriter writer = PdfWriter.getInstance(document, out);
+
+        document.open();
+        document.add(new Paragraph(CONST_PAGE_FIRST, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_SECOND, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_THIRD, STATIC_FONT_CHINESE));
+
+        document.close();
+
+        PdfReader reader = new PdfReader(FILE_DIR + "createPDFToDeletePage.pdf");
+        reader.selectPages("1,3");
+        PdfStamper stamp = new PdfStamper(reader, new FileOutputStream(FILE_DIR + "createPDFToDeletePage2.pdf"));
+        stamp.close();
+        reader.close();
+    }
+
+    /**
+     * 插入 page
+     */
+    public static void insertPage() throws Exception {
+
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "insertPage.pdf");
+
+        document = new Document();
+
+        PdfWriter.getInstance(document, out);
+
+        document.open();
+        document.add(new Paragraph(CONST_PAGE_FIRST, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_SECOND, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_THIRD, STATIC_FONT_CHINESE));
+
+        document.close();
+
+        PdfReader reader = new PdfReader(FILE_DIR + "insertPage.pdf");
+        PdfStamper stamp = new PdfStamper(reader, new FileOutputStream(FILE_DIR + "insertPage2.pdf"));
+
+        stamp.insertPage(2, reader.getPageSize(1));
+
+        ColumnText ct = new ColumnText(null);
+        ct.addElement(new Paragraph(24, new Chunk("INSERT PAGE")));
+        ct.setCanvas(stamp.getOverContent(2));
+        ct.setSimpleColumn(36, 36, 559, 770);
+
+        stamp.close();
+        reader.close();
+    }
+
+    /**
+     * 分割 page
+     */
+    public static void splitPDF() throws Exception {
+
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "splitPDF.pdf");
+
+        document = new Document();
+
+        PdfWriter.getInstance(document, out);
+
+        document.open();
+        document.add(new Paragraph(CONST_PAGE_FIRST, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_SECOND, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_THIRD, STATIC_FONT_CHINESE));
+
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_FOUR, STATIC_FONT_CHINESE));
+
+        document.close();
+
+        PdfReader reader = new PdfReader(FILE_DIR + "splitPDF.pdf");
+
+        Document dd = new Document();
+        PdfWriter writer = PdfWriter.getInstance(dd, new FileOutputStream(FILE_DIR + "splitPDF1.pdf"));
+        dd.open();
+        PdfContentByte cb = writer.getDirectContent();
+        dd.newPage();
+        cb.addTemplate(writer.getImportedPage(reader, 1), 0, 0);
+        dd.newPage();
+        cb.addTemplate(writer.getImportedPage(reader, 2), 0, 0);
+        dd.close();
+        writer.close();
+
+        Document dd2 = new Document();
+        PdfWriter writer2 = PdfWriter.getInstance(dd2, new FileOutputStream(FILE_DIR + "splitPDF2.pdf"));
+        dd2.open();
+        PdfContentByte cb2 = writer2.getDirectContent();
+        dd2.newPage();
+        cb2.addTemplate(writer2.getImportedPage(reader, 3), 0, 0);
+        dd2.newPage();
+        cb2.addTemplate(writer2.getImportedPage(reader, 4), 0, 0);
+        dd2.close();
+        writer2.close();
+    }
+
+    /**
+     * 合并 PDF 文件
+     */
+    public static void mergePDF() throws Exception {
+
+        PdfReader reader1 = new PdfReader(FILE_DIR + "splitPDF1.pdf");
+        PdfReader reader2 = new PdfReader(FILE_DIR + "splitPDF2.pdf");
+
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "mergePDF.pdf");
+
+        Document document = new Document();
+        PdfWriter writer = PdfWriter.getInstance(document, out);
+
+        document.open();
+        PdfContentByte cb = writer.getDirectContent();
+
+        java.util.List<PdfReader> readers = new ArrayList<PdfReader>();
+        readers.add(reader1);
+        readers.add(reader2);
+
+        int pageOfCurrentReaderPDF = 0;
+        Iterator<PdfReader> iteratorPDFReader = readers.iterator();
+
+        while (iteratorPDFReader.hasNext()) {
+            PdfReader pdfReader = iteratorPDFReader.next();
+
+            // 在目标中为每个源页面创建一个新页面
+            while (pageOfCurrentReaderPDF < pdfReader.getNumberOfPages()) {
+                document.newPage();
+                pageOfCurrentReaderPDF++;
+                PdfImportedPage page = writer.getImportedPage(pdfReader, pageOfCurrentReaderPDF);
+                cb.addTemplate(page, 0, 0);
+            }
+            pageOfCurrentReaderPDF = 0;
+        }
+        out.flush();
+        document.close();
+        out.close();
+    }
+
+    /**
+     * 排序page
+     */
+    public static void sortpage() throws Exception {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "sortpage.pdf");
+
+        document = new Document();
+
+        PdfWriter writer = PdfWriter.getInstance(document, out);
+        writer.setLinearPageMode();
+
+        document.open();
+        document.add(new Paragraph(CONST_PAGE_FIRST, STATIC_FONT_CHINESE));
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_SECOND, STATIC_FONT_CHINESE));
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_THIRD, STATIC_FONT_CHINESE));
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_FOUR, STATIC_FONT_CHINESE));
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_FIVE, STATIC_FONT_CHINESE));
+
+        int[] order = {4, 3, 2, 1};
+        writer.reorderPages(order);
+
+        document.close();
+    }
+
+    /**
+     * 页眉页脚
+     */
+    public static void setHeaderFooter() throws Exception {
+        document = new Document();
+        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(FILE_DIR + "setHeaderFooter.pdf"));
+
+        writer.setPageEvent(new PdfPageEventHelper() {
+
+            @Override
+            public void onEndPage(PdfWriter writer, Document document) {
+
+                PdfContentByte cb = writer.getDirectContent();
+                cb.saveState();
+
+                cb.beginText();
+                BaseFont bf = null;
+                try {
+                    bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+                cb.setFontAndSize(bf, 10);
+
+                // Header
+                float x = document.top(-20);
+
+                // 左
+                cb.showTextAligned(PdfContentByte.ALIGN_LEFT, "H-Left", document.left(), x, 0);
+                // 中
+                cb.showTextAligned(PdfContentByte.ALIGN_CENTER, writer.getPageNumber() + " page",
+                                   (document.right() + document.left()) / 2, x, 0);
+                // 右
+                cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, "H-Right", document.right(), x, 0);
+
+                // Footer
+                float y = document.bottom(-20);
+
+                // 左
+                cb.showTextAligned(PdfContentByte.ALIGN_LEFT, "F-Left", document.left(), y, 0);
+                // 中
+                cb.showTextAligned(PdfContentByte.ALIGN_CENTER, writer.getPageNumber() + " page",
+                                   (document.right() + document.left()) / 2, y, 0);
+                // 右
+                cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, "F-Right", document.right(), y, 0);
+
+                cb.endText();
+
+                cb.restoreState();
+            }
+        });
+
+        document.open();
+        document.add(new Paragraph("1 page"));
+
+        document.newPage();
+        document.add(new Paragraph("2 page"));
+
+        document.newPage();
+        document.add(new Paragraph("3 page"));
+
+        document.newPage();
+        document.add(new Paragraph("4 page"));
+
+        document.close();
+    }
+
+    public static void addColumnText() throws Exception {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "addColumnText.pdf");
+
+        Document document = new Document();
+
+        PdfWriter writer = PdfWriter.getInstance(document, out);
+
+        document.open();
+
+        PdfContentByte canvas = writer.getDirectContent();
+
+        Phrase phrase1 = new Phrase(CONST_BIBIDONG + " is a beauty!left", STATIC_FONT_CHINESE);
+        Phrase phrase2 = new Phrase(CONST_BIBIDONG + " is a beauty!right", STATIC_FONT_CHINESE);
+        Phrase phrase3 = new Phrase(CONST_BIBIDONG + " is a beauty!center", STATIC_FONT_CHINESE);
+        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, phrase1, 200, 700, 0);
+        ColumnText.showTextAligned(canvas, Element.ALIGN_RIGHT, phrase2, 200, 600, 0);
+        ColumnText.showTextAligned(canvas, Element.ALIGN_CENTER, phrase3, 200, 500, 0);
+
+        document.close();
+    }
+
+    /**
+     * 文档视图
+     */
+    public static void setView() throws Exception {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "setView.pdf");
+
+        document = new Document();
+
+        PdfWriter writer = PdfWriter.getInstance(document, out);
+
+        writer.setPdfVersion(PdfWriter.VERSION_1_5);
+
+        writer.setViewerPreferences(PdfWriter.PageModeFullScreen);// 全屏
+        writer.setPageEvent(new PdfPageEventHelper() {
+            @Override
+            public void onStartPage(PdfWriter writer, Document document) {
+                writer.setTransition(new PdfTransition(PdfTransition.DISSOLVE, 3));
+                writer.setDuration(5);// 间隔时间
+            }
+        });
+
+        document.open();
+        document.add(new Paragraph(CONST_PAGE_FIRST, STATIC_FONT_CHINESE));
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_SECOND, STATIC_FONT_CHINESE));
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_THIRD, STATIC_FONT_CHINESE));
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_FOUR, STATIC_FONT_CHINESE));
+        document.newPage();
+        document.add(new Paragraph(CONST_PAGE_FIVE, STATIC_FONT_CHINESE));
+
+        document.close();
+
+    }
+
+    /**
+     * 压缩PDF到Zip
+     */
+    public static void pdfToZip() throws Exception {
+        ZipOutputStream zip = new ZipOutputStream(new FileOutputStream(FILE_DIR + "pdfToZip.zip"));
+        for (int i = 1; i <= 3; i++) {
+            ZipEntry entry = new ZipEntry(CONST_NEZHA + i + ".pdf");
+            zip.putNextEntry(entry);
+            document = new Document();
+            PdfWriter writer = PdfWriter.getInstance(document, zip);
+            writer.setCloseStream(false);
+            document.open();
+            document.add(new Paragraph(CONST_NEZHA + i, STATIC_FONT_CHINESE));
+            document.close();
+            zip.closeEntry();
+        }
+        zip.close();
+    }
+
+    /**
+     * 添加注释
+     */
+    public static void addAnnotation() throws Exception {
+        FileOutputStream out = new FileOutputStream(FILE_DIR + "addAnnotation.pdf");
+        Document doc = new Document();
+        PdfWriter writer = PdfWriter.getInstance(doc, out);
+        writer.setLinearPageMode();
+        doc.open();
+        doc.add(new Paragraph(CONST_PAGE_FIRST, STATIC_FONT_CHINESE));
+        doc.add(new Annotation("title", "this is a annotation!"));
+        doc.newPage();
+        doc.add(new Paragraph(CONST_PAGE_SECOND, STATIC_FONT_CHINESE));
+        Chunk chunk = new Chunk(CONST_NEZHA);
+        chunk.setAnnotation(PdfAnnotation.createText(writer, null, "Title", "this is a another annotation!", false, "Comment"));
+        doc.add(chunk);
+        // 添加附件
+        //doc.newPage();
+        //doc.add(new Paragraph(const_PAGE_THIRD, static_FONT_CHINESE));
+        //Chunk chunk2 = new Chunk(const_BIBIDONG, static_FONT_CHINESE);
+        //PdfAnnotation annotation = PdfAnnotation.createFileAttachment(writer, null, "Title", null, const_JPG_JAVA, const_JPG_NGINX);
+        //annotation.put(PdfName.NAME, new PdfString("Paperclip"));
+        //chunk2.setAnnotation(annotation);
+        //doc.add(chunk2);
+        doc.close();
+    }
+
+    /**
+     * Gets pdf content *
+     *
+     * @param file file
+     * @return the pdf content
+     * @throws Exception exception
+     * @since 0.0.1
+     */
+    public static String getPdfContent(MultipartFile file) throws Exception {
+        PdfReader pdfReader = new PdfReader(file.getBytes());
+        StringJoiner stringJoiner = new StringJoiner("");
+        int pageNum = pdfReader.getNumberOfPages();
+        for (int i = 1; i <= pageNum; i++) {
+            stringJoiner.add(PdfTextExtractor.getTextFromPage(pdfReader, i).replace("\n", ""));
+        }
+        return stringJoiner.toString();
+    }
+}

src/main/resources/application.yml

@@ -0,0 +1,8 @@
+server:
+  port: 8080
+
+spring:
+  datasource:
+    url: jdbc:mysql://wylgyx.top:3306/aos_file_identify?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=Asia/Shanghai&allowMultiQueries=true
+    username: root
+    password: Wyl.0629

src/test/java/com/aos/fileidentify/AosFileIdentifyApplicationTests.java

@@ -0,0 +1,13 @@
+package com.aos.fileidentify;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class AosFileIdentifyApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}