<div class="layui-form-item">  <label class="layui-form-label">上傳文件</label> <div class="layui-input-block"> <div class="layui-upload"> <button type="button" class="layui-btn layui-btn-normal" id="testList">選擇多文件</button> <div class="layui-upload-list">  <table class="layui-table">  <thead>  <tr><th>文件名</th>  <th>大小</th>  <th>狀態</th>  <th>操作</th>  </tr></thead>  <tbody id="demoList"></tbody>  </table> </div> <button type="button" class="layui-btn" id="testListAction">開始上傳</button> </div>   </div></div>

layui.use('upload', function(){   var $ = layui.jquery,upload = layui.upload;   //多文件列表示例   var demoListView = $('#demoList')        ,uploadListIns = upload.render({        elem: '#testList'        ,url: '/upload'        ,accept: 'file'        ,data:{}  //可放擴展數據 key-value        ,multiple: true        ,auto: false        ,bindAction: '#testListAction'        ,choose: function(obj){          var files = this.files = obj.pushFile(); //將每次選擇的文件追加到文件隊列          //讀取本地文件          obj.preview(function(index, file, result){            var tr = $(['<tr id="upload-'+ index +'">'              ,'<td>'+ file.name +'</td>'              ,'<td>'+ (file.size/1014).toFixed(1) +'kb</td>'              ,'<td>等待上傳</td>'              ,'<td>'              ,'<button class="layui-btn layui-btn-mini demo-reload layui-hide">重傳</button>'              ,'<button class="layui-btn layui-btn-mini layui-btn-danger demo-delete">刪除</button>'              ,'</td>'              ,'</tr>'].join(''));             //單個重傳            tr.find('.demo-reload').on('click', function(){              obj.upload(index, file);            });             //刪除            tr.find('.demo-delete').on('click', function(){              delete files[index]; //刪除對應的文件              tr.remove();              uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免刪除后出現同名文件不可選            });             demoListView.append(tr);          });        }        ,done: function(res, index, upload){          if(res.code == 0) //上傳成功            var tr = demoListView.find('tr#upload-'+ index)              ,tds = tr.children();          tds.eq(2).html('<span style="color: #5FB878;">上傳成功</span>');          tds.eq(3).html(''); //清空操作          return delete this.files[index]; //刪除文件隊列已經上傳成功的文件         } //code為后臺傳回來的數據，具體多少自己定，         //后臺只能傳回json格式數據，不然會走error函數；         ,error: function(index, upload){      }  })});

public String uploadNoticeFile(MultipartFile fileList) {   try{      String pathname = filepath;      String timeMillis = Long.toString(System.currentTimeMillis());//時間戳      String filename = timeMillis + fileList.getOriginalFilename();      File dir = new File(pathname);      if (!dir.exists()) {        dir.mkdirs();      }      String filepath = pathname + filename;      File serverFile = new File(filepath);      fileList.transferTo(serverFile);       //存入數據庫      NoticeFile noticeFile = new NoticeFile();      noticeFile.setNoFileName(filename);      noticeFile.setNoFilePath(filepath);      noticeFile.setNoId(0L);      noticeFileRepository.save(noticeFile);      return "1";     }catch (Exception e) {      e.printStackTrace();      return "0";    }   }

@RequestMapping(value = "/upload", method = RequestMethod.POST)  @ResponseBody  public Map<String, Object> noticeFile(@RequestParam(name = "file") MultipartFile files) {    String msg = noticeFileService.uploadNoticeFile(files);     Map map = new HashMap();    if (msg == "1") {      map.put("code", "0");    } else {      map.put("code", "1");    }    return map;  }