pdf分节 默认400页一节

src/main/java/org/rcisoft/business/bchapter/controller/BChapterController.java

@@ -137,11 +137,11 @@ public class BChapterController extends PaginationController<BChapter> {
     @ApiOperation(value = "207 预览文件", notes = "(预览时传)")
     @GetMapping("/getFileAtView")
     public Result getFileAtView(CurUser curUser, @Valid BFile file, BindingResult br) throws IOException {
-        String newFileUrl = bChapterService.changeFileToPdfAtView(file);
+        FileToPdfAtViewDTO dto = bChapterService.changeFileToPdfAtView(file);
         return Result.builder(new PersistModel(1),
                 MessageConstant.MESSAGE_ALERT_SUCCESS,
                 MessageConstant.MESSAGE_ALERT_ERROR,
-                newFileUrl);
+                dto);
     }
 
     @ApiOperation(value = "208 下载文件 返回服务器地址", notes = "下载文件 返回服务器地址")

src/main/java/org/rcisoft/business/bchapter/dao/BChapterRepository.java

@@ -450,5 +450,35 @@ public interface BChapterRepository extends BaseMapper<BChapter> {
 
     @Update("update b_chapter set chapter_name = #{name} where business_id = #{id}")
     int updateChapterName(@Param("name")String name,@Param("id") String id);
+
+    /**
+     * 根据chapterid查询分割pdf章节的chapterIdList
+     * @param chapterId
+     * @return
+     */
+    @Select("SELECT business_id " +
+            "from b_chapter where business_id in( " +
+            "  SELECT chapter_id from b_file where video_url = ( " +
+            "    select video_url from b_file where chapter_id = #{chapterId} and del_flag != 1 and flag =1) " +
+            "    and del_flag != 1 and flag =1) " +
+            "ORDER BY sort")
+    List<String> getPdfIdList(@Param("chapterId")String chapterId);
+
+    /**
+     * 新增节时 pdf分节查询出之前 排序大于修改节的chapterId
+     * @param chapterId
+     * @return
+     */
+    @Select("select business_id from b_chapter where sort > ( " +
+            "select sort from b_chapter where business_id = #{chapterId} and del_flag != 1 and flag =1) " +
+            "and del_flag != 1 and flag =1 " +
+            "and pid = #{pid}")
+    List<String> getPDFSortList(@Param("chapterId")String chapterId,@Param("pid")String pid);
+
+    @Update("<script>" +
+            "<foreach collection=\"ids\" item=\"item\" separator=\";\">" +
+            "update b_chapter set sort = (sort+#{num}) where business_id = #{item}" +
+            "</foreach></script>")
+    int updatePdfSort(@Param("ids")List<String> ids,@Param("num")int num);
 }
 

src/main/java/org/rcisoft/business/bchapter/dto/FileToPdfAtViewDTO.java

+package org.rcisoft.business.bchapter.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+public class FileToPdfAtViewDTO {
+
+    @ApiModelProperty(value = "预览地址")
+    private String url;
+
+    @ApiModelProperty(value = "切割pdf数量")
+    private int pdfNum;
+}

src/main/java/org/rcisoft/business/bchapter/service/BChapterService.java

@@ -97,7 +97,7 @@ public interface BChapterService{
      * @param bFile
      * @return
      */
-    String changeFileToPdfAtView(BFile bFile);
+    FileToPdfAtViewDTO changeFileToPdfAtView(BFile bFile);
 
     /**
      * 下载文件

src/main/java/org/rcisoft/business/bfile/dao/BFileRepository.java

@@ -51,6 +51,20 @@ public interface BFileRepository extends BaseMapper<BFile> {
             "VALUES (#{businessId}, #{lessonId}, #{chapterId}, #{fileName}, #{videoUrl}, #{fileUrl}, #{type}, #{flag}, #{delFlag}, #{remarks}, #{createBy}, #{updateBy}, #{updateDate}, #{createDate},#{fileSize},#{fileTime})")
     int insertUploadFile(BFile bFile);
 
+    /**
+     * 添加文件信息到file表
+     * @return
+     */
+    @Insert("<script>" +
+            "INSERT INTO `b_file` " +
+            "(business_id,lesson_id,chapter_id,file_name,video_url,file_url,type,flag,del_flag,remarks,create_by,update_by,update_date,create_date,file_size,file_time) " +
+            "VALUES " +
+            "<foreach collection=\"list\" item=\"item\" separator=\",\">" +
+            "(#{item.businessId}, #{item.lessonId}, #{item.chapterId}, #{item.fileName}, #{item.videoUrl}, #{item.fileUrl}, #{item.type}, " +
+            "#{item.flag}, #{item.delFlag}, #{item.remarks}, #{item.createBy}, #{item.updateBy}, #{item.updateDate}, #{item.createDate},#{item.fileSize},#{item.fileTime})" +
+            "</foreach></script>")
+    int insertUploadFileList(List<BFile> bFiles);
+
     @Update("update b_file set " +
             "file_name = #{fileName} , " +
             "video_url = #{videoUrl} ," +

src/main/java/org/rcisoft/core/util/CutPdfUtil.java

@@ -8,6 +8,7 @@ import com.itextpdf.text.pdf.PdfReader;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
+import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.text.SimpleDateFormat;
@@ -23,7 +24,7 @@ import java.util.List;
 public class CutPdfUtil {
     public static void main(String[] args) {
         try {
-            List<String> pdfList = toCutPdf("F:\\桌面整理\\文件归纳\\QQ下载\\xx文字+图片-100页.pdf", 3);
+            List<String> pdfList = toCutPdf("F:\\桌面整理\\文件\\测试资料\\06_API常用类.pdf","06_API常用类.pdf", 20);
         } catch (Exception e) {
             e.printStackTrace();
         }
@@ -37,7 +38,7 @@ public class CutPdfUtil {
      * @return
      * @throws Exception
      */
-    public static List<String> toCutPdf(String filePath, int page) throws Exception {
+    public static List<String> toCutPdf(String filePath,String fileName, int page) throws Exception {
         List<String> pdfList = new ArrayList<>();
         long l1 = System.currentTimeMillis();
         int i = 0;
@@ -46,7 +47,8 @@ public class CutPdfUtil {
         PdfReader reader = new PdfReader(filePath);
         int pageNum = reader.getNumberOfPages();
         do {
-            String newFilePath = filePath.substring(0, filePath.lastIndexOf(".")) + "-" + j + ".pdf";
+            String path = filePath.replace(fileName,"pdf-"+fileName);
+            String newFilePath = path.substring(0, path.lastIndexOf(".")) +File.separator+fileName.substring(0, fileName.lastIndexOf("."))+ "-" + j + ".pdf";
             int end = i + page;
             if (end >= pageNum) {
                 end = pageNum;
@@ -76,7 +78,11 @@ public class CutPdfUtil {
                                         String newFilePath, int from, int end) {
         Document document = null;
         PdfCopy copy = null;
+        File newFile = new File(newFilePath);
         try {
+            if (!newFile.getParentFile().exists()) {
+                newFile.getParentFile().mkdirs();
+            }
             document = new Document(reader.getPageSize(1));
             copy = new PdfCopy(document, new FileOutputStream(newFilePath));
             document.open();

src/main/java/org/rcisoft/core/util/FileReadableUtil.java

@@ -136,7 +136,7 @@ public class FileReadableUtil {
     }
 
 
-    private static Integer pdfReadable(String path){
+    public static Integer pdfReadable(String path){
         Integer pages;
         PDDocument doc = null;
         try {
@@ -155,7 +155,7 @@ public class FileReadableUtil {
             }
             FileReadableUtil.closeOtherStream(doc);
         }
-        return 1;
+        return pages;
     }
     private static Integer docxReadable(String path){
         Integer pages ;
@@ -190,7 +190,7 @@ public class FileReadableUtil {
     }
 
 
-    public static void fileReadable(String path,Long fileMaxSize,Long pdfMaxSize,Long txtMaxSize,Integer fileMaxPages) {
+    public static int fileReadable(String path,Long fileMaxSize,Long pdfMaxSize,Long txtMaxSize,Integer fileMaxPages) {
         LogUtil.fileChangeLog("-----------FileReadableUtil-路径------------"+path);
         File file = new File(path);
         Long size = file.length();
@@ -237,13 +237,10 @@ public class FileReadableUtil {
                 break;
         }
 
-        if (pages != -1 && pages > fileMaxPages)  {
+        if (pages != -1 && pages > fileMaxPages && !"pdf".equals(path.substring(path.lastIndexOf(".") + 1)))  {
             throw new ServiceException(400,"该文件超过最多"+fileMaxPages+"页限制");
         }
-
-//        if (!CheckFileHeaderUtil.toCheck(path)){
-//            throw new ServiceException(ResultServiceEnums.FILE_UNREADABLE);
-//        }
+        return pages;
     }
 
     public  File TXTHandler(File file) {