拆分导出-解决条款内容超出excel单元格字符最大长度问题

jero-boot/jero-boot-modules/src/main/java/com/jero/modules/split/service/impl/FileSplitItemsEOServiceImpl.java

@@ -3145,7 +3145,8 @@ public class FileSplitItemsEOServiceImpl extends ServiceImpl<FileSplitItemsEOMap
         BASE64Decoder base64Decoder = new BASE64Decoder();
         if (getValList != null && !getValList.isEmpty()) {
             String preType = "";
-            for(SarFileSplitItemsValEO itemsValEO : getValList){
+            for (int i = 0; i < getValList.size(); i++) {
+                SarFileSplitItemsValEO itemsValEO = getValList.get(i);
                 String type = itemsValEO.getType();
                 FileSplitValExportDto lastOne = new FileSplitValExportDto();
                 lastOne.setValType(type);
@@ -3153,10 +3154,23 @@ public class FileSplitItemsEOServiceImpl extends ServiceImpl<FileSplitItemsEOMap
                     lastOne = valContent.get(valContent.size() - 1);
                     lastOne.setValContent(lastOne.getValContent()+itemsValEO.getItemContent() + "\n");
                     valContent.set(valContent.size() - 1, lastOne);
+
+                    //循环到最后一次是文本的情况
+                    if(getValList.size() == (i+1)){
+                        splitContext(valContent);
+                    }
+
                 } else if ("TEXT".equals(type)) {
                     lastOne.setValContent(lastOne.getValContent()+itemsValEO.getItemContent() + "\n");
                     valContent.add(lastOne);
+
+                    //第一次
+                    splitContext(valContent);
+
                 } else if ("TABLE".equals(type)) {
+                    //上次是TEXT类型的时候
+                    splitContext(valContent);
+
                     String tableName = String.valueOf(tableIndex);
                     lastOne.setValContent("tableSheet" + tableName);
                     //查询table信息
@@ -3172,6 +3186,9 @@ public class FileSplitItemsEOServiceImpl extends ServiceImpl<FileSplitItemsEOMap
                     tableIndex++;
                     page.setTableIndex(tableIndex);
                 } else if ("IMG".equals(type)) {
+                    //上次是TEXT类型的时候
+                    splitContext(valContent);
+
                     String imgContent = itemsValEO.getItemContent();
                     String imgUUIndex = "img" + String.valueOf(imgIndex);
                     if (com.jero.modules.system.util.StringUtils.isNotEmpty(imgContent)){
@@ -3222,6 +3239,50 @@ public class FileSplitItemsEOServiceImpl extends ServiceImpl<FileSplitItemsEOMap
         return valContent;
     }
 
+    private void splitContext(List<FileSplitValExportDto> valContent){
+        FileSplitValExportDto fileSplitValExportDto = valContent.get(valContent.size() - 1); // 始终判断最后一个内容是否超出长度
+        int lastIndex = valContent.size() - 1;
+        if ("TEXT".equals(fileSplitValExportDto.getValType())) {
+            String dtoValContent = fileSplitValExportDto.getValContent();
+            //判断是否超长
+            if(dtoValContent.length() > 30000){ // 若超出长度
+                // 先移除再添加
+                valContent.remove(lastIndex);
+
+                //拆分数据
+                List<String> content = new ArrayList<>(); // 存放拆出来的内容
+                int lastLength = 0;
+                while (lastLength < dtoValContent.length()) {
+                    if (lastLength == 0) {
+                        String contentOld = dtoValContent.substring(0, 30000);
+                        String contentNew = contentOld.substring(0,contentOld.lastIndexOf("\n")+1);
+                        content.add(contentNew);
+                        lastLength = 30000;
+                    } else if (lastLength > dtoValContent.length() - 30000) {
+                        String contentOld = dtoValContent.substring(lastLength, dtoValContent.length());
+                        String contentNew = contentOld.substring(0,contentOld.lastIndexOf("\n")+1);
+                        content.add(contentNew);
+                        lastLength = dtoValContent.length();
+                    } else{
+                        String contentOld = dtoValContent.substring(lastLength, lastLength + 30000);
+                        String contentNew = contentOld.substring(0,contentOld.lastIndexOf("\n")+1);
+                        content.add(contentNew);
+                        lastLength = lastLength + 30000;
+                    }
+                }
+
+                // 添加
+                 for (String c : content) {
+                     FileSplitValExportDto dto = new FileSplitValExportDto();
+                     dto.setValType(fileSplitValExportDto.getValType());
+                     dto.setValContent(c);
+                     valContent.add(dto);
+                 }
+
+            }
+        }
+    }
+
 
     public void downLoadImgList(List<FileSplitValImgExportDto> allImgList, String fileNowPath) throws IOException {
         for(FileSplitValImgExportDto imgExportDto : allImgList){
@@ -3428,7 +3489,7 @@ public class FileSplitItemsEOServiceImpl extends ServiceImpl<FileSplitItemsEOMap
                                     cell2.setHyperlink(hyperlink1);// 链接
                                     row1.getCell(cellNum).setCellStyle(cellStyleLink);
                                 }
-                                cell2.setCellValue(content);
+                                cell2.setCellValue(content); // IllegalArgumentException异常，excel单元格最大字符长度有限制
                             }
                         }
                     }