POI 匹配单元格内容\n 替换为换行

根据 \n 进行分割，取第一个 run，并将分割后的元素作为其他 run拼起来

run.addBreak();  // 换行

 1     /**
 2      * 匹配单元格内容\n 替换为换行
 3      * @param cell
 4      */
 5     private  void addBreakInCell(XWPFTableCell cell) {
 6         if(cell.getText() != null && cell.getText().contains("\n")) {
 7             for (XWPFParagraph paragraph : cell.getParagraphs()) {
 8                 for (XWPFRun run : paragraph.getRuns()) {
 9                     if(run.getText(0)!= null && run.getText(0).contains("\n")) {
10                         String[] lines = run.getText(0).split("\n");
11                         if(lines.length > 0) {
12                             // set first line into XWPFRun
13                             run.setText(lines[0], 0);
14                             for(int i=1;i<lines.length;i++){
15                                 // add break and insert new text
16                                 run.addBreak();
17                                 run.setText(lines[i]);
18                             }
19                         }
20                     }
21                 }
22             }
23         }
24     }