<!-- <form method="post"> --> 
    <input type="file" name="n_file" id="fileToUpload" value="上传表格" /> 
     <button id="upload1" class="btn btn-default">上传</button> 
<!-- </form> --> 

$(function(){  
  //点击打开文件选择器  
  $("#upload1").on('click', function() {  
    //选择文件之后执行上传  
 
    $.ajaxFileUpload({  
      url:'supplyDataReportUploadExcel', //url自己写  
      secureuri:false, //这个是啥没啥用 
      type:'post', 
      fileElementId:'fileToUpload',//file标签的id  
      dataType: 'json',//返回数据的类型  
      //data:{name:'logan'},//一同上传的数据  
      success: function (data, status) {  
//       alert(data); 
//       alert(data.msg);   
//       alert(data.success); 
        if(data.success){ 
          alert("upload,success!!!"); 
          window.location.href='supplyDataReport'; 
        }else{ 
          alert(data.msg); 
          window.location.href='supplyDataReport'; 
        } 
         
      }/*,  
      error: function (data, status, e) {  
        alert(e);  
      }*/  
    });  
 
  });  
 
});  

<script type="text/javascript">Core.js('./js/iface/upload');</script> 
<script type="text/javascript" src="libs/jquery/ajaxfileupload.js"></script> 

@SuppressWarnings("resource") 
@RequestMapping(value = "/supplyDataReportUploadExcel", method = RequestMethod.POST) 
public @ResponseBody String supplyDataReportUploadExcel(HttpServletRequest request, HttpServletResponse response,MultipartFile n_file) throws Exception { 
  AjaxJson json = new AjaxJson(); 
  ObjectMapper mapper = new ObjectMapper(); 
  UploadFormBackVo uploadFormBackVo = new UploadFormBackVo(); 
  //判断是否是空的Excel 包括没有标题 
  if(n_file.getSize()>0){ 
    try{ 
      //先判断 文件名 是否符合规格 因为不知道怎么获取上传文件的路径 后期修改 
      //获取文件 
      //验证文件名 
      String fileName = n_file.getOriginalFilename(); 
      String fileNewName = fileName.replaceAll(".xls", ""); 
      String eL = "[a-zA-Z]+[0-9]{4}-[0-9]{2}-[0-9]{2}"; 
      Pattern p = Pattern.compile(eL); 
      Matcher m = p.matcher(fileNewName); 
      boolean dateFlag = m.matches(); 
      if (!dateFlag) { 
        System.out.println("格式错误"); 
        uploadFormBackVo.setFormName(n_file.getOriginalFilename()); 
        uploadFormBackVo.setUploadTime(new Date()); 
        uploadFormBackVo.setIfsuccess("上传失败，Excel文件名不符合规格！！！"); 
        supplyDataReportService.insert(uploadFormBackVo); 
         
        json.setSuccess(false); 
        json.setMsg("Excel,NameError!!!"); 
        String jsonStr = mapper.writeValueAsString(json); 
        return jsonStr; 
      } 
      //上传文件 
      UploadUtil.SaveFileFromInputStream(n_file.getInputStream(), "D:/补数据报表文件", n_file.getOriginalFilename()); 
      InputStream is2 = new FileInputStream("D:/补数据报表文件/"+n_file.getOriginalFilename()); 
       
      //读取文件进行内容验证 
      ExcelReader excelReader = new ExcelReader(); 
       
      Map<Integer, SupplyDataReportBackVo> supplyDataReportBackVos = new HashMap<Integer, SupplyDataReportBackVo>(); 
       
       
      String jsonStr = excelReader.readExcelContent(is2,supplyDataReportBackVos,json,n_file); 
      //判断 readExcelContent()解析Excel文件 是否符合规范 如果符合 修改相应数据  
      if(json.isSuccess()==true){ 
         //遍历map 用value --》SupplyDataReportBackVo 调用  updateById方法 
        for(SupplyDataReportBackVo supplyDataReportBackVo : supplyDataReportBackVos.values()){ 
          supplyDataReportService.updateById(supplyDataReportBackVo); 
        } 
         
        System.out.println("获得Excel表格的内容:"); 
        for (int i = 1; i <= supplyDataReportBackVos.size(); i++) { 
           
          System.out.println(supplyDataReportBackVos.get(i)); 
        } 
        //保存上传记录 
        uploadFormBackVo.setFormName(n_file.getOriginalFilename()); 
        uploadFormBackVo.setUploadTime(new Date()); 
        uploadFormBackVo.setIfsuccess("上传成功"); 
        supplyDataReportService.insert(uploadFormBackVo); 
        return jsonStr; 
      } 
      // 解析Excel 文件 中  有空值 保存这次上传的记录且删除已上传的Excel文件， 删除已上传的Excel文件已在 readExcelContent()中处理 
      uploadFormBackVo.setFormName(n_file.getOriginalFilename()); 
      uploadFormBackVo.setUploadTime(new Date()); 
      uploadFormBackVo.setIfsuccess("上传失败，Excel中有空值！！！"); 
      supplyDataReportService.insert(uploadFormBackVo); 
      return jsonStr; 
    } catch (IOException e){ 
      System.out.println(e.getMessage()); 
    } 
  }else{ 
    //ajax返回的数据 
    json.setSuccess(false); 
    json.setMsg("Upload File Null!!!!!"); 
    String jsonStr = mapper.writeValueAsString(json); 
    return jsonStr; 
  } 
  System.out.println("ajax请求成功"); 
  return ""; 
   
/    json.setMsg("upload,success!!!"); 
   
} 

package com.zhongxin.web.ops.adrule.model; 
 
import java.util.Map; 
 
public class AjaxJson { 
   
  private boolean success = true; 
   
  private String msg = "ok"; 
   
  private Object obj = null; 
   
  private Map<String, Object> attributes; 
   
  public boolean isSuccess() { 
    return success; 
  } 
  public void setSuccess(boolean success) { 
    this.success = success; 
  } 
  public String getMsg() { 
    return msg; 
  } 
  public void setMsg(String msg) { 
    this.msg = msg; 
  } 
  public Object getObj() { 
    return obj; 
  } 
  public void setObj(Object obj) { 
    this.obj = obj; 
  } 
  public Map<String, Object> getAttributes() { 
    return attributes; 
  } 
  public void setAttributes(Map<String, Object> attributes) { 
    this.attributes = attributes; 
  } 
   
}