优化审计取证单Word文档表格单元格换行处理

src/main/java/com/gxwebsoft/ai/controller/AuditEvidenceController.java

@@ -25,6 +25,10 @@ import org.apache.poi.openxml4j.util.ZipSecureFile;
 import org.apache.poi.xwpf.usermodel.XWPFDocument;
 import org.apache.poi.xwpf.usermodel.XWPFParagraph;
 import org.apache.poi.xwpf.usermodel.XWPFRun;
+import org.apache.poi.xwpf.usermodel.XWPFTable;
+import org.apache.poi.xwpf.usermodel.XWPFTableCell;
+import org.apache.poi.xwpf.usermodel.XWPFTableRow;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -137,9 +141,10 @@ public class AuditEvidenceController extends BaseController {
     }
     
     /**
-     * 处理段落换行（与审计报告相同的处理逻辑）
+     * 处理段落换行（增强版，同时处理表格单元格）
      */
     private void processParagraphs(XWPFDocument document) {
+        // 1. 处理普通段落
         List<XWPFParagraph> originalParas = new ArrayList<>(document.getParagraphs());
         
         for (XWPFParagraph para : originalParas) {
@@ -172,5 +177,38 @@ public class AuditEvidenceController extends BaseController {
             // 删除原段落
             document.removeBodyElement(pos + parts.length);
         }
+        
+        // 2. 处理表格单元格中的段落
+        List<XWPFTable> tables = document.getTables();
+        for (XWPFTable table : tables) {
+            for (XWPFTableRow row : table.getRows()) {
+                for (XWPFTableCell cell : row.getTableCells()) {
+                    List<XWPFParagraph> cellParagraphs = cell.getParagraphs();
+                    for (XWPFParagraph para : cellParagraphs) {
+                        String text = para.getText();
+                        if (text == null || !text.contains("\n")) {
+                            continue;
+                        }
+                        
+                        // 清空原段落内容
+                        for (int i = para.getRuns().size() - 1; i >= 0; i--) {
+                            para.removeRun(i);
+                        }
+                        
+                        // 分割文本并按行添加
+                        String[] lines = text.replace("\r\n", "\n").replace("\r", "\n").split("\n");
+                        for (int i = 0; i < lines.length; i++) {
+                            XWPFRun run = para.createRun();
+                            run.setText(lines[i].trim());
+                            
+                            // 如果不是最后一行，添加换行
+                            if (i < lines.length - 1) {
+                                run.addBreak();
+                            }
+                        }
+                    }
+                }
+            }
+        }
     }
 }