feat: 更新了一波工具类

更新了一波工具类更新了一波工具类

pom.xml

@@ -96,6 +96,7 @@
             <artifactId>hutool-all</artifactId>
             <version>5.8.4</version>
         </dependency>
+
     </dependencies>
 
     <build>

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

@@ -3,9 +3,25 @@ package com.aos.fileidentify;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * <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 2022.07.05 14:29
+ * @since 0.0.1
+ */
 @SpringBootApplication
 public class AosFileIdentifyApplication {
 
+    /**
+     * Main
+     *
+     * @param args args
+     * @since 0.0.1
+     */
     public static void main(String[] args) {
         SpringApplication.run(AosFileIdentifyApplication.class, args);
     }

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

@@ -24,6 +24,12 @@ import springfox.documentation.swagger2.annotations.EnableSwagger2;
 @EnableSwagger2
 public class Knife4jConfiguration {
 
+    /**
+     * Default api 2
+     *
+     * @return the docket
+     * @since 0.0.1
+     */
     @Bean(value = "defaultApi2")
     public Docket defaultApi2() {
         Docket docket = new Docket(DocumentationType.SWAGGER_2)

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

@@ -26,6 +26,7 @@ import lombok.AllArgsConstructor;
 @AllArgsConstructor
 public class FileIdentifyController {
 
+    /** File identify service */
     private final FileIdentifyService fileIdentifyService;
 
 

src/main/java/com/aos/fileidentify/converter/SerializableStringConverter.java

@@ -0,0 +1,60 @@
+package com.aos.fileidentify.converter;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+import java.io.Serializable;
+
+/**
+ * <p>Company: 成都返空汇网络技术有限公司</p>
+ * <p>Description:  用于EsayExel中转换实现{@link Serializable}的字段，将{@link Serializable#toString()}输出到excel中。
+ * </p>
+ *
+ * @author xianzhiping
+ * @version 2.3.0
+ * @email "mailto:xianzhiping@fkhwl.com"
+ * @date 2022.01.19 16:49
+ * @since 2.3.0
+ */
+public class SerializableStringConverter implements Converter<Serializable> {
+    /**
+     * Support java type key
+     *
+     * @return the class
+     * @since 1.0.0
+     */
+    @Override
+    public Class supportJavaTypeKey() {
+        return Serializable.class;
+    }
+
+    /**
+     * Support excel type key
+     *
+     * @return the cell data type enum
+     * @since 1.0.0
+     */
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.STRING;
+    }
+
+    /**
+     * Convert to excel data
+     *
+     * @param value               value
+     * @param contentProperty     content property
+     * @param globalConfiguration global configuration
+     * @return the cell data
+     * @throws Exception exception
+     * @since 1.0.0
+     */
+    @Override
+    public WriteCellData convertToExcelData(Serializable value, ExcelContentProperty contentProperty,
+                                            GlobalConfiguration globalConfiguration) throws Exception {
+        return new WriteCellData<>(String.valueOf(value));
+    }
+}

src/main/java/com/aos/fileidentify/entity/BaseEntity.java

@@ -4,15 +4,29 @@ import lombok.Data;
 
 import java.util.Date;
 
+/**
+ * <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 2022.07.05 14:29
+ * @since 0.0.1
+ */
 @Data
 public class BaseEntity {
 
+    /** Id */
     private String id;
 
+    /** Deleted */
     private String deleted;
 
+    /** Create time */
     private Date create_time;
 
+    /** Update time */
     private Date update_time;
 
 }

src/main/java/com/aos/fileidentify/entity/EmployeeApproval.java

@@ -5,55 +5,89 @@ import lombok.Data;
 
 import javax.validation.constraints.NotNull;
 
+/**
+ * <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 2022.07.05 14:29
+ * @since 0.0.1
+ */
 @Data
 public class EmployeeApproval extends BaseEntity {
 
+    /** Employee key */
     private String employeeKey;
+    /** Name */
     @ExcelProperty("姓名")
     @NotNull
     private String name;
+    /** Age */
     @ExcelProperty("年龄")
     private String age;
+    /** Department */
     @ExcelProperty("部门")
     private String department;
+    /** Project */
     @ExcelProperty("项目")
     private String project;
+    /** Branch */
     @ExcelProperty("单位")
     private String branch;
+    /** Current position */
     @ExcelProperty("现任职务")
     private String currentPosition;
+    /** Gender */
     @ExcelProperty("性别")
     private String gender;
+    /** Ethnic */
     @ExcelProperty("民族")
     private String ethnic;
+    /** Birth */
     @ExcelProperty("出生年月")
     private String birth;
+    /** Highest education */
     @ExcelProperty("最高学历")
     private String highestEducation;
+    /** Full time edu qualifications */
     @ExcelProperty("全日制教育学历学位")
     private String fullTimeEduQualifications;
+    /** Full time edu institutions */
     @ExcelProperty("全日制教育毕业院校及专业")
     private String fullTimeEduInstitutions;
+    /** On job edu qualifications */
     @ExcelProperty("在职教育学历学位")
     private String onJobEduQualifications;
+    /** On job edu institutions */
     @ExcelProperty("在职教育毕业院校及专业")
     private String onJobEduInstitutions;
+    /** Join party time */
     @ExcelProperty("入党时间")
     private String joinPartyTime;
+    /** Join work time */
     @ExcelProperty("参加工作时间")
     private String joinWorkTime;
+    /** Current position time */
     @ExcelProperty("任现职时间")
     private String currentPositionTime;
+    /** Current rank time */
     @ExcelProperty("任现职级时间")
     private String currentRankTime;
+    /** Managers type */
     @ExcelProperty("经理人性质")
     private String managersType;
+    /** Is concurrently */
     @ExcelProperty("兼职")
     private String isConcurrently;
+    /** Appointment documents */
     @ExcelProperty("任命文件")
     private String appointmentDocuments;
+    /** Post type */
     @ExcelProperty("岗位类型")
     private String postType;
+    /** Remark */
     private String remark;
 
 

src/main/java/com/aos/fileidentify/entity/EmployeeChange.java

@@ -5,13 +5,30 @@ import lombok.Data;
 import java.util.Date;
 
 
+/**
+ * <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 2022.07.05 14:29
+ * @since 0.0.1
+ */
 @Data
 public class EmployeeChange extends BaseEntity {
+    /** Employee key */
     private String employee_key;
+    /** Change type */
     private String change_type;
+    /** Source branch */
     private String source_branch;
+    /** Transfer branch */
     private String transfer_branch;
+    /** Change time */
     private Date change_time;
+    /** Change branch */
     private String change_branch;
+    /** Change position */
     private String change_position;
 }

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

@@ -6,51 +6,83 @@ import lombok.Data;
 import javax.validation.constraints.NotNull;
 import java.util.Date;
 
+/**
+ * <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 2022.07.05 14:29
+ * @since 0.0.1
+ */
 @Data
 public class EmployeeChangeDTO {
 
+    /** Employee key */
     private String employee_key;
+    /** Change type */
     @ExcelProperty("异动类型")
     private String change_type;
+    /** Change time */
     @ExcelProperty("异动时间")
     private Date change_time;
+    /** Change branch */
     @ExcelProperty("拟任免部门")
     private String change_branch;
+    /** Change position */
     @ExcelProperty("拟任免职务")
     private String change_position;
+    /** Name */
     @ExcelProperty("姓名")
     @NotNull
     private String name;
+    /** Branch */
     @ExcelProperty("单位")
     private String branch;
+    /** Current position */
     @ExcelProperty("原职务")
     private String currentPosition;
+    /** Gender */
     @ExcelProperty("性别")
     private String gender;
+    /** Ethnic */
     @ExcelProperty("民族")
     private String ethnic;
+    /** Birth */
     @ExcelProperty("出生年月")
     private String birth;
+    /** Full time edu qualifications */
     @ExcelProperty("全日制教育学历学位")
     private String fullTimeEduQualifications;
+    /** Full time edu institutions */
     @ExcelProperty("全日制教育毕业院校及专业")
     private String fullTimeEduInstitutions;
+    /** On job edu qualifications */
     @ExcelProperty("在职教育学历学位")
     private String onJobEduQualifications;
+    /** On job edu institutions */
     @ExcelProperty("在职教育毕业院校及专业")
     private String onJobEduInstitutions;
+    /** Age */
     @ExcelProperty("年龄")
     private String age;
+    /** Join party time */
     @ExcelProperty("入党时间")
     private String joinPartyTime;
+    /** Join work time */
     @ExcelProperty("参加工作时间")
     private String joinWorkTime;
+    /** Managers type */
     @ExcelProperty("经理人性质")
     private String managersType;
+    /** Is concurrently */
     @ExcelProperty("兼职")
     private String isConcurrently;
+    /** Appointment documents */
     @ExcelProperty("任命文件")
     private String appointmentDocuments;
+    /** Post type */
     @ExcelProperty("岗位类型")
     private String postType;
     

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

@@ -69,6 +69,12 @@ public class FileIdentifyServiceImpl implements FileIdentifyService {
     }
 
 
+    /**
+     * Process excel
+     *
+     * @param file file
+     * @since 0.0.1
+     */
     @Override
     public void processExcel(MultipartFile file) {
         Assert.notNull(file, "上传数据为空");

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

@@ -0,0 +1,306 @@
+package com.aos.fileidentify.util;
+
+import com.google.common.collect.Lists;
+
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.ExcelWriter;
+import com.alibaba.excel.support.ExcelTypeEnum;
+import com.alibaba.excel.write.builder.ExcelWriterBuilder;
+import com.alibaba.excel.write.metadata.WriteSheet;
+import com.aos.fileidentify.converter.SerializableStringConverter;
+import com.aos.fileidentify.util.function.DataSupplier;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+
+import com.baomidou.mybatisplus.core.toolkit.StringPool;
+
+
+import org.springframework.http.HttpHeaders;
+import org.springframework.util.Assert;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+
+import javax.servlet.http.HttpServletResponse;
+
+import lombok.SneakyThrows;
+import lombok.experimental.UtilityClass;
+
+
+/**
+ * <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 2022.07.05 14:29
+ * @since 0.0.1
+ */
+@UtilityClass
+public class ExcelUtils {
+    /**
+     * excel导出content-type
+     */
+    public static final String EXCEL_CONTENT_TYPE = "application/vnd.ms-excel";
+    /**
+     * 每个工作表默认行数
+     */
+    private static final int DEFAULT_EXCEL_SHEET_SIZE = 200000;
+    /**
+     * 默认查询数据sql每页条数
+     */
+    private static final int DEFAULT_PAGE_LIMIT = 20000;
+
+    /**
+     * 默认一次导出最大条数
+     */
+    private static final int DEFAULT_MAX_EXPORT_SIZE = 20000;
+
+    /**
+     * 查询数据sql每页条数
+     */
+    private static int pageLimit = DEFAULT_PAGE_LIMIT;
+
+    /**
+     * 是否限制excel导出条数
+     */
+    private static boolean limitExportSize = true;
+    /**
+     * excel最大导出条数
+     */
+    private static int maxExportSize = DEFAULT_MAX_EXPORT_SIZE;
+
+    /**
+     * 初始化
+     *
+     * @param pageLimit       page limit
+     * @param limitExportSize 是否限制导出条数
+     * @param maxExportSize   max size
+     * @since 2.3.0
+     */
+    public static void init(Integer pageLimit, boolean limitExportSize, Integer maxExportSize) {
+        ExcelUtils.limitExportSize = limitExportSize;
+        ExcelUtils.pageLimit = pageLimit != null ? pageLimit : DEFAULT_PAGE_LIMIT;
+        ExcelUtils.maxExportSize = maxExportSize != null ? maxExportSize : DEFAULT_MAX_EXPORT_SIZE;
+        Assert.isTrue(ExcelUtils.pageLimit > 0, "查询数据sql每页条数必须大于0");
+        Assert.isTrue(ExcelUtils.maxExportSize > 0, "excel最大导出条数必须大于0");
+    }
+
+    /**
+     * 导出excel数据到HttpServletResponse
+     *
+     * @param <T>      parameter
+     * @param data     导出数据
+     * @param head     表头
+     * @param fileName 文件名
+     * @param response HttpServletResponse
+     * @since 2.3.0
+     */
+    public static <T> void export(List<T> data, Class<T> head, String fileName, HttpServletResponse response) {
+        ExcelUtils.export(data, head, fileName, response, DEFAULT_EXCEL_SHEET_SIZE);
+    }
+
+    /**
+     * 导出excel数据到HttpServletResponse
+     *
+     * @param <T>            parameter
+     * @param data           导出数据
+     * @param head           表头
+     * @param fileName       文件名
+     * @param response       HttpServletResponse
+     * @param rowNumPerSheet 工作表行数
+     * @since 2.3.0
+     */
+    public static <T> void export(List<T> data, Class<T> head, String fileName, HttpServletResponse response,
+                                  int rowNumPerSheet) {
+        try {
+            ExcelUtils.export(data, head, fileName, response.getOutputStream(), rowNumPerSheet);
+            ExcelUtils.setHeader(fileName, response);
+        } catch (IOException e) {
+            Assert.hasText("导出异常", e.getMessage());
+        }
+    }
+
+    /**
+     * 导出excel数据到OutputStream
+     *
+     * @param <T>          parameter
+     * @param data         导出数据
+     * @param head         表头
+     * @param sheetName    工作表名
+     * @param outputStream OutputStream
+     * @since 2.3.0
+     */
+    public static <T> void export(List<T> data, Class<T> head, String sheetName, OutputStream outputStream) {
+        ExcelUtils.export(data, head, sheetName, outputStream, DEFAULT_EXCEL_SHEET_SIZE);
+    }
+
+    /**
+     * 导出excel数据到OutputStream
+     *
+     * @param <T>            parameter
+     * @param data           导出数据
+     * @param head           表头
+     * @param sheetName      sheet名
+     * @param outputStream   OutputStream
+     * @param rowNumPerSheet 工作表行数
+     * @since 2.3.0
+     */
+    public static <T> void export(List<T> data, Class<T> head, String sheetName, OutputStream outputStream, int rowNumPerSheet) {
+        Assert.notEmpty(data, "数据为空");
+        Assert.notNull(sheetName, "工作表名不能为空");
+        Assert.isTrue(rowNumPerSheet > 0, "工作表行数必须大于0");
+        ExcelWriter excelWriter = ExcelUtils.createWriteBuilder(head, outputStream).build();
+        if (data.size() > rowNumPerSheet) {
+            List<List<T>> partitionData = Lists.partition(data, rowNumPerSheet);
+            for (int i = 0; i < partitionData.size(); i++) {
+                ExcelUtils.write(excelWriter, partitionData.get(i), sheetName + StringPool.DASH + i);
+            }
+        } else {
+            ExcelUtils.write(excelWriter, data, sheetName);
+        }
+        excelWriter.finish();
+    }
+
+    /**
+     * 根据表头和OutputStream创建ExcelWriterBuilder
+     *
+     * @param <T>          parameter
+     * @param head         表头
+     * @param outputStream OutputStream
+     * @return ExcelWriterBuilder excel writer builder
+     * @since 2.3.0
+     */
+    public static <T> ExcelWriterBuilder createWriteBuilder(Class<T> head, OutputStream outputStream) {
+        Assert.notNull(head, "表头不能为空");
+        Assert.notNull(outputStream, "导出位置不能为空");
+        return EasyExcel.write(outputStream, head)
+            .autoCloseStream(true)
+            .excelType(ExcelTypeEnum.XLSX)
+            .registerConverter(new SerializableStringConverter());
+    }
+
+    /**
+     * 创建ExcelWriterSheet
+     *
+     * @param sheetName sheet名
+     * @return the write sheet
+     * @since 2.3.0
+     */
+    public static WriteSheet createWriteSheet(String sheetName) {
+        return EasyExcel.writerSheet(sheetName).build();
+    }
+
+    /**
+     * 写入sheet
+     *
+     * @param <T>         parameter
+     * @param excelWriter ExcelWriter
+     * @param writeSheet  WriteSheet
+     * @param data        sheet数据
+     * @since 2.3.0
+     */
+    public static <T> void write(ExcelWriter excelWriter, WriteSheet writeSheet, List<T> data) {
+        excelWriter.write(data, writeSheet);
+    }
+
+    /**
+     * 写入sheet
+     *
+     * @param <T>         parameter
+     * @param excelWriter ExcelWriter
+     * @param data        sheet数据
+     * @param sheetName   sheet名
+     * @since 2.3.0
+     */
+    public static <T> void write(ExcelWriter excelWriter, List<T> data, String sheetName) {
+        WriteSheet writeSheet = ExcelUtils.createWriteSheet(sheetName);
+        excelWriter.write(data, writeSheet);
+    }
+
+    /**
+     * 设置Header
+     *
+     * @param fileName 文件名
+     * @param response HttpServletResponse
+     * @since 2.3.0
+     */
+    public static void setHeader(String fileName, HttpServletResponse response) {
+        response.setContentType(EXCEL_CONTENT_TYPE);
+        response.setHeader(HttpHeaders.CONTENT_DISPOSITION,
+                           "attachment;filename=" + UrlUtils.encodePath(fileName, StringPool.UTF_8) + ".xlsx");
+    }
+
+    /**
+     * 导出excel数据到OutputStream
+     *
+     * @param <T>      parameter
+     * @param head     表头
+     * @param fileName 文件名
+     * @param response HttpServletResponse
+     * @param supplier DataSupplier
+     * @since 2.3.0
+     */
+    @SneakyThrows
+    public static <T> void stepwiseExport(Class<T> head, String fileName, HttpServletResponse response, DataSupplier<T> supplier) {
+        ExcelUtils.stepwiseExport(head, fileName, response.getOutputStream(), supplier);
+        ExcelUtils.setHeader(fileName, response);
+    }
+
+    /**
+     * 导出excel数据到OutputStream
+     *
+     * @param <T>          parameter
+     * @param head         表头
+     * @param sheetName    sheet名
+     * @param outputStream OutputStream
+     * @param supplier     DataSupplier
+     * @throws Exception exception
+     * @since 2.3.0
+     */
+    public static <T> void stepwiseExport(Class<T> head, String sheetName, OutputStream outputStream, DataSupplier<T> supplier)
+        throws Exception {
+        Assert.notNull(supplier, "数据源不能为空");
+        Assert.notNull(sheetName, "工作表名不能为空");
+        ExcelUtils.checkExportSize(supplier);
+        // 分页查询数据导出
+        // 先查第一页数据
+        IPage<T> data = supplier.get(1, ExcelUtils.pageLimit);
+        Assert.isTrue(data.getTotal() > 0, "导出数据不能为空");
+        // 当前页条数
+        ExcelWriter excelWriter = ExcelUtils.createWriteBuilder(head, outputStream).build();
+        WriteSheet writeSheet = ExcelUtils.createWriteSheet(sheetName);
+        // 当前页小于等于总页数
+        while (data != null && data.getCurrent() <= data.getPages()) {
+            CompletableFuture<IPage<T>> nextPageFuture = null;
+            if (data.getCurrent() < data.getPages()) {
+                int nextPage = (int) (data.getCurrent() + 1);
+                nextPageFuture = CompletableFuture.supplyAsync(() -> supplier.get(nextPage, ExcelUtils.pageLimit));
+            }
+            List<T> records = data.getRecords();
+            ExcelUtils.write(excelWriter, writeSheet, records);
+            // 当前页数达到最大页数停止
+            data = nextPageFuture != null ? nextPageFuture.get() : null;
+        }
+        excelWriter.finish();
+    }
+
+    /**
+     * 校验导出条数限制
+     *
+     * @param <T>      parameter
+     * @param supplier DataSupplier
+     * @since 2.3.0
+     */
+    private static <T> void checkExportSize(DataSupplier<T> supplier) {
+        if (ExcelUtils.limitExportSize) {
+            // 开启限制导出条数
+            IPage<T> data = supplier.get(1, 1);
+            Assert.isTrue(data.getTotal() > 0, "导出数据不能为空");
+            Assert.isTrue(data.getTotal() <= ExcelUtils.maxExportSize,
+                          "导出数据条数不能超过最大限制:" + ExcelUtils.maxExportSize);
+        }
+    }
+}

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

@@ -58,33 +58,60 @@ import java.util.zip.ZipOutputStream;
  * @since 1.0.0
  */
 public class PdfUtils {
+    /** FILE_DIR */
     public static final String FILE_DIR = "E:\\guor\\itext\\";
+    /** CONST_JPG_JAVA */
     public static final String CONST_JPG_JAVA = FILE_DIR + "java.jpg";
+    /** CONST_JPG_NGINX */
     public static final String CONST_JPG_NGINX = FILE_DIR + "nginx.jpg";
+    /** CONST_NEZHA */
     private static final String CONST_NEZHA = "哪吒编程";
+    /** CONST_NEZHA_PROGRAM */
     private static final String CONST_NEZHA_PROGRAM = "获取Java学习资料请关注公众号：哪吒编程";
+    /** CONST_BIBIDONG */
     private static final String CONST_BIBIDONG = "比比东";
+    /** CONST_YUNYUN */
     private static final String CONST_YUNYUN = "云韵";
+    /** CONST_BAIDU */
     private static final String CONST_BAIDU = "百度一下 你就知道";
+    /** CONST_BAIDU_URL */
     private static final String CONST_BAIDU_URL = "https://www.baidu.com";
 
+    /** CONST_PAGE_FIRST */
     private static final String CONST_PAGE_FIRST = "第一页";
+    /** CONST_PAGE_SECOND */
     private static final String CONST_PAGE_SECOND = "第二页";
+    /** CONST_PAGE_THIRD */
     private static final String CONST_PAGE_THIRD = "第三页";
+    /** CONST_PAGE_FOUR */
     private static final String CONST_PAGE_FOUR = "第四页";
+    /** CONST_PAGE_FIVE */
     private static final String CONST_PAGE_FIVE = "第五页";
 
+    /** CONST_TITLE_FIRST */
     private static final String CONST_TITLE_FIRST = "一级标题";
+    /** CONST_TITLE_SECOND */
     private static final String CONST_TITLE_SECOND = "二级标题";
+    /** CONST_CONTENT */
     private static final String CONST_CONTENT = "内容";
 
+    /** STATIC_FONT_CHINESE */
     // 普通中文字体
     public static Font STATIC_FONT_CHINESE = null;
+    /** STATIC_FONT_LINK */
     // 超链字体
     public static Font STATIC_FONT_LINK = null;
 
+    /** document */
     public static Document document;
 
+    /**
+     * Pdf font init
+     *
+     * @throws IOException       io exception
+     * @throws DocumentException document exception
+     * @since 0.0.1
+     */
     private static void pdfFontInit() throws IOException, DocumentException {
         // 微软雅黑
         BaseFont chinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
@@ -121,6 +148,10 @@ public class PdfUtils {
 
     /**
      * 创建一个 PDF 文件，并添加文本
+     *
+     * @throws IOException       io exception
+     * @throws DocumentException document exception
+     * @since 0.0.1
      */
     public static void createPDF() throws IOException, DocumentException {
         // 实例化 document
@@ -145,6 +176,10 @@ public class PdfUtils {
 
     /**
      * 创建PDF文件，修改文件的属性
+     *
+     * @throws FileNotFoundException file not found exception
+     * @throws DocumentException     document exception
+     * @since 0.0.1
      */
     public static void createPDFWithColor() throws FileNotFoundException, DocumentException {
         // 页面大小
@@ -169,6 +204,10 @@ public class PdfUtils {
 
     /**
      * 创建带密码的PDF
+     *
+     * @throws FileNotFoundException file not found exception
+     * @throws DocumentException     document exception
+     * @since 0.0.1
      */
     public static void createPDFWithPassWord() throws FileNotFoundException, DocumentException {
         // 页面大小
@@ -188,6 +227,10 @@ public class PdfUtils {
 
     /**
      * 为PDF添加页
+     *
+     * @throws FileNotFoundException file not found exception
+     * @throws DocumentException     document exception
+     * @since 0.0.1
      */
     public static void createPDFWithNewPages() throws FileNotFoundException, DocumentException {
         document = new Document();
@@ -210,6 +253,10 @@ public class PdfUtils {
 
     /**
      * 为PDF文件添加水印，背景图
+     *
+     * @throws IOException       io exception
+     * @throws DocumentException document exception
+     * @since 0.0.1
      */
     public static void createPDFWithWaterMark() throws IOException, DocumentException {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithWaterMark.pdf");
@@ -272,6 +319,10 @@ public class PdfUtils {
      * 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
+     *
+     * @throws DocumentException     document exception
+     * @throws FileNotFoundException file not found exception
+     * @since 0.0.1
      */
     public static void createPDFWithContent() throws DocumentException, FileNotFoundException {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithContent.pdf");
@@ -362,6 +413,11 @@ public class PdfUtils {
 
     /**
      * 插入锚Anchor, Image, 章节Chapter, 子列表Section
+     *
+     * @throws DocumentException     document exception
+     * @throws MalformedURLException malformed url exception
+     * @throws IOException           io exception
+     * @since 0.0.1
      */
     public static void createPDFWithExtraContent() throws DocumentException, MalformedURLException, IOException {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithExtraContent.pdf");
@@ -419,6 +475,9 @@ public class PdfUtils {
 
     /**
      * 画图
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void draw() throws Exception {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "draw.pdf");
@@ -473,6 +532,9 @@ public class PdfUtils {
 
     /**
      * 设置段落
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void createPDFWithAlignment() throws Exception {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "createPDFWithAlignment.pdf");
@@ -522,6 +584,9 @@ public class PdfUtils {
 
     /**
      * 删除页
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void createPDFToDeletePage() throws Exception {
 
@@ -551,6 +616,9 @@ public class PdfUtils {
 
     /**
      * 插入 page
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void insertPage() throws Exception {
 
@@ -587,6 +655,9 @@ public class PdfUtils {
 
     /**
      * 分割 page
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void splitPDF() throws Exception {
 
@@ -637,6 +708,9 @@ public class PdfUtils {
 
     /**
      * 合并 PDF 文件
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void mergePDF() throws Exception {
 
@@ -677,6 +751,9 @@ public class PdfUtils {
 
     /**
      * 排序page
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void sortpage() throws Exception {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "sortpage.pdf");
@@ -705,6 +782,9 @@ public class PdfUtils {
 
     /**
      * 页眉页脚
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void setHeaderFooter() throws Exception {
         document = new Document();
@@ -770,6 +850,12 @@ public class PdfUtils {
         document.close();
     }
 
+    /**
+     * Add column text
+     *
+     * @throws Exception exception
+     * @since 0.0.1
+     */
     public static void addColumnText() throws Exception {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "addColumnText.pdf");
 
@@ -793,6 +879,9 @@ public class PdfUtils {
 
     /**
      * 文档视图
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void setView() throws Exception {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "setView.pdf");
@@ -829,6 +918,9 @@ public class PdfUtils {
 
     /**
      * 压缩PDF到Zip
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void pdfToZip() throws Exception {
         ZipOutputStream zip = new ZipOutputStream(new FileOutputStream(FILE_DIR + "pdfToZip.zip"));
@@ -848,6 +940,9 @@ public class PdfUtils {
 
     /**
      * 添加注释
+     *
+     * @throws Exception exception
+     * @since 0.0.1
      */
     public static void addAnnotation() throws Exception {
         FileOutputStream out = new FileOutputStream(FILE_DIR + "addAnnotation.pdf");

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

@@ -0,0 +1,168 @@
+package com.aos.fileidentify.util;
+
+import com.google.common.base.Joiner;
+import com.google.common.collect.Maps;
+
+import com.aos.fileidentify.util.basic.Charsets;
+import com.aos.fileidentify.util.basic.StringUtils;
+import com.aos.fileidentify.util.pools.StringPool;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URLEncoder;
+import java.nio.charset.Charset;
+import java.util.Map;
+
+import lombok.experimental.UtilityClass;
+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 2022.07.05 14:13
+ * @since 1.0.0
+ */
+@Slf4j
+@UtilityClass
+public class UrlUtils extends org.springframework.web.util.UriUtils {
+
+    /**
+     * Build url params by map
+     *
+     * @param map map
+     * @return the string
+     * @since 1.7.0
+     */
+    public static String buildUrlParamsByMap(Map<String, String> map) {
+        if (map == null) {
+            return "";
+        }
+        StringBuilder sb = new StringBuilder();
+        for (Map.Entry<String, String> entry : map.entrySet()) {
+            sb.append(entry.getKey()).append(StringPool.EQUALS).append(entry.getValue()).append(StringPool.AMPERSAND);
+        }
+        String s = sb.toString();
+        if (s.endsWith(StringPool.AMPERSAND)) {
+            s = StringUtils.subBefore(s, StringPool.AMPERSAND);
+        }
+        return s;
+    }
+
+    /**
+     * Build map by url params
+     *
+     * @param param param
+     * @return the map
+     * @since 1.7.0
+     */
+    public static @NotNull
+    Map<String, String> buildMapByUrlParams(String param) {
+        Map<String, String> map = Maps.newHashMap();
+        if (StringUtils.isBlank(param)) {
+            return map;
+        }
+        if (param.startsWith(StringPool.QUESTION_MARK)) {
+            param = StringUtils.subAfter(param, StringPool.QUESTION_MARK);
+        }
+        String[] params = param.split(StringPool.AMPERSAND);
+        for (String s : params) {
+            String[] p = s.split(StringPool.EQUALS);
+            if (p.length == 2) {
+                map.put(p[0], p[1]);
+            }
+        }
+        return map;
+    }
+
+    /**
+     * url 编码,同js decodeURIComponent
+     *
+     * @param source  url
+     * @param charset 字符集
+     * @return 编码后的url string
+     * @since 1.0.0
+     */
+    @NotNull
+    public static String encodeUrl(String source, @NotNull Charset charset) {
+        return UrlUtils.encode(source, charset.name());
+    }
+
+    /**
+     * url 解码
+     *
+     * @param source  url
+     * @param charset 字符集
+     * @return 解码url string
+     * @since 1.0.0
+     */
+    @NotNull
+    public static String decodeUrl(String source, @NotNull Charset charset) {
+        return UrlUtils.decode(source, charset.name());
+    }
+
+    /**
+     * 获取 url 路径
+     *
+     * @param uriStr 路径
+     * @return url路径 path
+     * @since 1.0.0
+     */
+    public static String getPath(String uriStr) {
+        URI uri;
+
+        try {
+            uri = new URI(uriStr);
+        } catch (URISyntaxException var3) {
+            throw new RuntimeException(var3);
+        }
+
+        return uri.getPath();
+    }
+
+    /**
+     * map 转为 url 参数, 默认需要参数编码
+     *
+     * @param source source
+     * @return the string
+     * @since 1.0.0
+     */
+    @NotNull
+    public static String asUrlParams(@NotNull Map<String, String> source) {
+        return asUrlParams(source, true);
+    }
+
+    /**
+     * map 转为 url 参数
+     *
+     * @param source     source
+     * @param urlEncoder url encoder
+     * @return the string
+     * @since 1.0.0
+     */
+    @NotNull
+    public static String asUrlParams(@NotNull Map<String, String> source, boolean urlEncoder) {
+        Map<String, String> tmp = Maps.newHashMap();
+        source.forEach((k, v) -> {
+            if (k != null) {
+                try {
+                    if (urlEncoder) {
+                        tmp.put(k, URLEncoder.encode(v, Charsets.UTF_8_NAME));
+                    } else {
+                        tmp.put(k, v);
+                    }
+                } catch (UnsupportedEncodingException e) {
+                    log.error("url encode error", e);
+                }
+            }
+        });
+        return Joiner.on("&").useForNull("").withKeyValueSeparator("=").join(tmp);
+    }
+}
+

src/main/java/com/aos/fileidentify/util/basic/Charsets.java

@@ -0,0 +1,50 @@
+package com.aos.fileidentify.util.basic;
+
+import org.springframework.util.StringUtils;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.nio.charset.UnsupportedCharsetException;
+
+import lombok.experimental.UtilityClass;
+
+/**
+ * <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 2022.07.05 14:16
+ * @since 1.0.0
+ */
+@UtilityClass
+public class Charsets {
+
+    /** 字符集ISO-8859-1 */
+    public static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;
+    /** The constant ISO_8859_1_NAME. */
+    public static final String ISO_8859_1_NAME = ISO_8859_1.name();
+    /** 字符集GBK */
+    public static final Charset GBK = of("GBK");
+    /** The constant GBK_NAME. */
+    public static final String GBK_NAME = GBK.name();
+    /** 字符集utf-8 */
+    public static final Charset UTF_8 = StandardCharsets.UTF_8;
+    /** The constant UTF_8_NAME. */
+    public static final String UTF_8_NAME = UTF_8.name();
+
+    /**
+     * 转换为Charset对象
+     *
+     * @param charsetName 字符集,为空则返回默认字符集
+     * @return Charsets charset
+     * @throws UnsupportedCharsetException 编码不支持
+     * @since 1.0.0
+     */
+    public static Charset of(String charsetName) throws UnsupportedCharsetException {
+        return StringUtils.hasText(charsetName) ? Charset.forName(charsetName) : Charset.defaultCharset();
+    }
+
+
+}

src/main/java/com/aos/fileidentify/util/basic/NumberUtils.java

@@ -0,0 +1,223 @@
+package com.aos.fileidentify.util.basic;
+
+import com.sun.istack.internal.NotNull;
+
+import org.jetbrains.annotations.Contract;
+
+import javax.annotation.Nullable;
+
+import cn.hutool.core.util.NumberUtil;
+import lombok.experimental.UtilityClass;
+
+/**
+ * <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 2022.07.05 14:27
+ * @since 1.0.0
+ */
+@UtilityClass
+public class NumberUtils extends org.springframework.util.NumberUtils {
+
+    /**
+     * All possible chars for representing a number as a String
+     */
+    public static final char[] DIGITS = {
+        '0', '1', '2', '3', '4', '5',
+        '6', '7', '8', '9', 'a', 'b',
+        'c', 'd', 'e', 'f', 'g', 'h',
+        'i', 'j', 'k', 'l', 'm', 'n',
+        'o', 'p', 'q', 'r', 's', 't',
+        'u', 'v', 'w', 'x', 'y', 'z',
+        'A', 'B', 'C', 'D', 'E', 'F',
+        'G', 'H', 'I', 'J', 'K', 'L',
+        'M', 'N', 'O', 'P', 'Q', 'R',
+        'S', 'T', 'U', 'V', 'W', 'X',
+        'Y', 'Z'
+    };
+
+    /**
+     * <p>Convert a <code>String</code> to an <code>int</code>, returning
+     * <code>zero</code> if the conversion fails.</p>
+     * <p>If the string is <code>null</code>, <code>zero</code> is returned.</p>
+     * <pre>
+     *   NumberUtil.toInt(null) = 0
+     *   NumberUtil.toInt("")   = 0
+     *   NumberUtil.toInt("1")  = 1
+     * </pre>
+     *
+     * @param str the string to convert, may be null
+     * @return the int represented by the string, or <code>zero</code> if     conversion fails
+     * @since 1.0.0
+     */
+    public static int toInt(String str) {
+        return toInt(str, -1);
+    }
+
+    /**
+     * Is numer boolean
+     *
+     * @param str str
+     * @return the boolean
+     * @since 1.0.0
+     */
+    @Contract("null -> false")
+    public static boolean isNumer(String str) {
+        return NumberUtil.isNumber(str);
+    }
+
+    /**
+     * <p>Convert a <code>String</code> to an <code>int</code>, returning a
+     * default value if the conversion fails.</p>
+     * <p>If the string is <code>null</code>, the default value is returned.</p>
+     * <pre>
+     *   NumberUtil.toInt(null, 1) = 1
+     *   NumberUtil.toInt("", 1)   = 1
+     *   NumberUtil.toInt("1", 0)  = 1
+     * </pre>
+     *
+     * @param str          the string to convert, may be null
+     * @param defaultValue the default value
+     * @return the int represented by the string, or the default if conversion fails
+     * @since 1.0.0
+     */
+    @Contract("null, _ -> param2")
+    public static int toInt(@Nullable String str, int defaultValue) {
+        if (str == null) {
+            return defaultValue;
+        }
+        try {
+            return Integer.parseInt(str);
+        } catch (NumberFormatException nfe) {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * <p>Convert a <code>String</code> to a <code>long</code>, returning
+     * <code>zero</code> if the conversion fails.</p>
+     * <p>If the string is <code>null</code>, <code>zero</code> is returned.</p>
+     * <pre>
+     *   NumberUtil.toLong(null) = 0L
+     *   NumberUtil.toLong("")   = 0L
+     *   NumberUtil.toLong("1")  = 1L
+     * </pre>
+     *
+     * @param str the string to convert, may be null
+     * @return the long represented by the string, or <code>0</code> if     conversion fails
+     * @since 1.0.0
+     */
+    public static long toLong(String str) {
+        return toLong(str, 0L);
+    }
+
+    /**
+     * <p>Convert a <code>String</code> to a <code>long</code>, returning a
+     * default value if the conversion fails.</p>
+     * <p>If the string is <code>null</code>, the default value is returned.</p>
+     * <pre>
+     *   NumberUtil.toLong(null, 1L) = 1L
+     *   NumberUtil.toLong("", 1L)   = 1L
+     *   NumberUtil.toLong("1", 0L)  = 1L
+     * </pre>
+     *
+     * @param str          the string to convert, may be null
+     * @param defaultValue the default value
+     * @return the long represented by the string, or the default if conversion fails
+     * @since 1.0.0
+     */
+    @Contract("null, _ -> param2")
+    public static long toLong(@Nullable String str, long defaultValue) {
+        if (str == null) {
+            return defaultValue;
+        }
+        try {
+            return Long.parseLong(str);
+        } catch (NumberFormatException nfe) {
+            return defaultValue;
+        }
+    }
+
+    /**
+     * <p>Convert a <code>String</code> to a <code>Double</code>
+     *
+     * @param value value
+     * @return double value
+     * @since 1.0.0
+     */
+    @Contract("!null -> !null")
+    public static Double toDouble(String value) {
+        return toDouble(value, null);
+    }
+
+    /**
+     * <p>Convert a <code>String</code> to a <code>Double</code>
+     *
+     * @param value        value
+     * @param defaultValue 默认值
+     * @return double value
+     * @since 1.0.0
+     */
+    @Contract("!null, _ -> !null; null, _ -> param2")
+    public static Double toDouble(@Nullable String value, Double defaultValue) {
+        if (value != null) {
+            return Double.valueOf(value.trim());
+        }
+        return defaultValue;
+    }
+
+    /**
+     * <p>Convert a <code>String</code> to a <code>Double</code>
+     *
+     * @param value value
+     * @return double value
+     * @since 1.0.0
+     */
+    @Contract("!null -> !null")
+    public static Float toFloat(String value) {
+        return toFloat(value, null);
+    }
+
+    /**
+     * <p>Convert a <code>String</code> to a <code>Double</code>
+     *
+     * @param value        value
+     * @param defaultValue 默认值
+     * @return double value
+     * @since 1.0.0
+     */
+    @Contract("!null, _ -> !null; null, _ -> param2")
+    public static Float toFloat(@Nullable String value, Float defaultValue) {
+        if (value != null) {
+            return Float.valueOf(value.trim());
+        }
+        return defaultValue;
+    }
+
+    /**
+     * 将 long 转短字符串 为 62 进制
+     *
+     * @param i 数字
+     * @return 短字符串 string
+     * @since 1.0.0
+     */
+    @NotNull
+    @Contract(value = "_ -> new", pure = true)
+    public static String to62String(long i) {
+        int radix = DIGITS.length;
+        char[] buf = new char[65];
+        int charPos = 64;
+        i = -i;
+        while (i <= -radix) {
+            buf[charPos--] = DIGITS[(int) (-(i % radix))];
+            i = i / radix;
+        }
+        buf[charPos] = DIGITS[(int) (-i)];
+
+        return new String(buf, charPos, (65 - charPos));
+    }
+
+}

src/main/java/com/aos/fileidentify/util/function/DataSupplier.java

@@ -0,0 +1,29 @@
+package com.aos.fileidentify.util.function;
+
+import com.baomidou.mybatisplus.core.metadata.IPage;
+
+import javax.validation.constraints.NotNull;
+
+
+/**
+ * <p>Company: 成都返空汇网络技术有限公司 </p>
+ * <p>Description: </p>
+ *
+ * @param <T> parameter
+ * @author yangjiyu
+ * @version 1.0.0
+ * @email "mailto:yangjiyu@fkhwl.com"
+ * @date 2022.07.05 14:06
+ * @since 0.0.1
+ */
+public interface DataSupplier<T> {
+    /**
+     * Get
+     *
+     * @param page  page
+     * @param limit limit
+     * @return the page
+     * @since 2.3.0
+     */
+    @NotNull IPage<T> get(int page, int limit);
+}

src/main/java/com/aos/fileidentify/util/pools/CharPool.java

@@ -0,0 +1,109 @@
+package com.aos.fileidentify.util.pools;
+
+import lombok.experimental.UtilityClass;
+
+/**
+ * <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 2022.07.05 14:26
+ * @since 1.0.0
+ */
+@UtilityClass
+@SuppressWarnings("all")
+public class CharPool {
+    /** UPPER_A */
+    public static final char UPPER_A = 'A';
+    /** LOWER_A */
+    public static final char LOWER_A = 'a';
+    /** UPPER_Z */
+    public static final char UPPER_Z = 'Z';
+    /** LOWER_Z */
+    public static final char LOWER_Z = 'z';
+    /** DOT */
+    public static final char DOT = '.';
+    /** AT */
+    public static final char AT = '@';
+    /** LEFT_BRACE */
+    public static final char LEFT_BRACE = '{';
+    /** RIGHT_BRACE */
+    public static final char RIGHT_BRACE = '}';
+    /** LEFT_BRACKET */
+    public static final char LEFT_BRACKET = '(';
+    /** RIGHT_BRACKET */
+    public static final char RIGHT_BRACKET = ')';
+    /** DASH */
+    public static final char DASH = '-';
+    /** PERCENT */
+    public static final char PERCENT = '%';
+    /** PIPE */
+    public static final char PIPE = '|';
+    /** PLUS */
+    public static final char PLUS = '+';
+    /** QUESTION_MARK */
+    public static final char QUESTION_MARK = '?';
+    /** EXCLAMATION_MARK */
+    public static final char EXCLAMATION_MARK = '!';
+    /** EQUALS */
+    public static final char EQUALS = '=';
+    /** AMPERSAND */
+    public static final char AMPERSAND = '&';
+    /** ASTERISK */
+    public static final char ASTERISK = '*';
+    /** STAR */
+    public static final char STAR = ASTERISK;
+    /** BACK_SLASH */
+    public static final char BACK_SLASH = '\\';
+    /** COLON */
+    public static final char COLON = ':';
+    /** COMMA */
+    public static final char COMMA = ',';
+    /** DOLLAR */
+    public static final char DOLLAR = '$';
+    /** SLASH */
+    public static final char SLASH = '/';
+    /** HASH */
+    public static final char HASH = '#';
+    /** HAT */
+    public static final char HAT = '^';
+    /** LEFT_CHEV */
+    public static final char LEFT_CHEV = '<';
+    /** NEWLINE */
+    public static final char NEWLINE = '\n';
+    /** N */
+    public static final char N = 'n';
+    /** Y */
+    public static final char Y = 'y';
+    /** QUOTE */
+    public static final char QUOTE = '\"';
+    /** RETURN */
+    public static final char RETURN = '\r';
+    /** TAB */
+    public static final char TAB = '\t';
+    /** RIGHT_CHEV */
+    public static final char RIGHT_CHEV = '>';
+    /** SEMICOLON */
+    public static final char SEMICOLON = ';';
+    /** SINGLE_QUOTE */
+    public static final char SINGLE_QUOTE = '\'';
+    /** BACKTICK */
+    public static final char BACKTICK = '`';
+    /** SPACE */
+    public static final char SPACE = ' ';
+    /** TILDA */
+    public static final char TILDA = '~';
+    /** LEFT_SQ_BRACKET */
+    public static final char LEFT_SQ_BRACKET = '[';
+    /** RIGHT_SQ_BRACKET */
+    public static final char RIGHT_SQ_BRACKET = ']';
+    /** UNDERSCORE */
+    public static final char UNDERSCORE = '_';
+    /** ONE */
+    public static final char ONE = '1';
+    /** ZERO */
+    public static final char ZERO = '0';
+}
+

src/main/java/com/aos/fileidentify/util/pools/StringPool.java

@@ -0,0 +1,132 @@
+package com.aos.fileidentify.util.pools;
+
+import lombok.experimental.UtilityClass;
+
+/**
+ * <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 2022.07.05 14:07
+ * @since 1.0.0
+ */
+@UtilityClass
+public class StringPool {
+
+    /** AMPERSAND */
+    public static final String AMPERSAND = "&";
+    /** AND */
+    public static final String AND = "and";
+    /** AT */
+    public static final String AT = "@";
+    /** ASTERISK */
+    public static final String ASTERISK = "*";
+    /** STAR */
+    public static final String STAR = ASTERISK;
+    /** SLASH */
+    public static final String SLASH = "/";
+    /** DOUBLE_SLASH */
+    public static final String DOUBLE_SLASH = "#//";
+    /** COLON */
+    public static final String COLON = ":";
+    /** COMMA */
+    public static final String COMMA = ",";
+    /** DASH */
+    public static final String DASH = "-";
+    /** DOLLAR */
+    public static final String DOLLAR = "$";
+    /** DOT */
+    public static final String DOT = ".";
+    /** EMPTY */
+    public static final String EMPTY = "";
+    /** EMPTY_JSON */
+    public static final String EMPTY_JSON = "{}";
+    /** EQUALS */
+    public static final String EQUALS = "=";
+    /** FALSE */
+    public static final String FALSE = "false";
+    /** HASH */
+    public static final String HASH = "#";
+    /** HAT */
+    public static final String HAT = "^";
+    /** LEFT_BRACE */
+    public static final String LEFT_BRACE = "{";
+    /** LEFT_BRACKET */
+    public static final String LEFT_BRACKET = "(";
+    /** LEFT_CHEV */
+    public static final String LEFT_CHEV = "<";
+    /** NEWLINE */
+    public static final String NEWLINE = "\n";
+    /** N */
+    public static final String N = "n";
+    /** NO */
+    public static final String NO = "no";
+    /** NULL */
+    public static final String NULL = "null";
+    /** OFF */
+    public static final String OFF = "off";
+    /** ON */
+    public static final String ON = "on";
+    /** PERCENT */
+    public static final String PERCENT = "%";
+    /** PIPE */
+    public static final String PIPE = "|";
+    /** PLUS */
+    public static final String PLUS = "+";
+    /** QUESTION_MARK */
+    public static final String QUESTION_MARK = "?";
+    /** EXCLAMATION_MARK */
+    public static final String EXCLAMATION_MARK = "!";
+    /** QUOTE */
+    public static final String QUOTE = "\"";
+    /** RETURN */
+    public static final String RETURN = "\r";
+    /** TAB */
+    public static final String TAB = "\t";
+    /** RIGHT_BRACE */
+    public static final String RIGHT_BRACE = "}";
+    /** RIGHT_BRACKET */
+    public static final String RIGHT_BRACKET = ")";
+    /** RIGHT_CHEV */
+    public static final String RIGHT_CHEV = ">";
+    /** SEMICOLON */
+    public static final String SEMICOLON = ";";
+    /** SINGLE_QUOTE */
+    public static final String SINGLE_QUOTE = "'";
+    /** BACKTICK */
+    public static final String BACKTICK = "`";
+    /** SPACE */
+    public static final String SPACE = " ";
+    /** TILDA */
+    public static final String TILDA = "~";
+    /** LEFT_SQ_BRACKET */
+    public static final String LEFT_SQ_BRACKET = "[";
+    /** RIGHT_SQ_BRACKET */
+    public static final String RIGHT_SQ_BRACKET = "]";
+    /** TRUE */
+    public static final String TRUE = "true";
+    /** UNDERSCORE */
+    public static final String UNDERSCORE = "_";
+    /** Y */
+    public static final String Y = "y";
+    /** YES */
+    public static final String YES = "yes";
+    /** ONE */
+    public static final String ONE = "1";
+    /** ZERO */
+    public static final String ZERO = "0";
+    /** DOLLAR_LEFT_BRACE */
+    public static final String DOLLAR_LEFT_BRACE = "${";
+    /** NULL_STRING */
+    public static final String NULL_STRING = "N/A";
+    /** any_Url_Patterns */
+    public static final String ANY_URL_PATTERNS = SLASH + ASTERISK;
+    /** DOUBLE_ASTERISK */
+    public static final String DOUBLE_ASTERISK = ASTERISK + ASTERISK;
+    /** any_PATH */
+    public static final String ANY_PATH = SLASH + DOUBLE_ASTERISK;
+
+
+}