文件上传

1. 页面

<form name="checkForm" id="checkForm" action="/file/uploadFile" method="post" enctype="multipart/form-data" class="newWorkForm">

　　<label class="labelLeft"><span class="required">*</span>请选择文件：</label>
　　<div class="labelRight">
   　　 <input type="file" class="inputText" name="file" id="file">
  　　  <span style="color: red;">$!msg</span>
　　</div>
　　<div class="labelLeft">
   　　 <input type="button" class="centerBtn subBtn" onclick="submittheform();" value="上传">
　　</div>

</from>

2. 上传操作

@RequestMapping("/uploadFile")
public String upload(@RequestParam(value = "file", required = false) MultipartFile file,
                     ModelMap model,String pids) {
    LoginUser loginUser= LoginUtil.getLoginUser();
    String fileName = file.getOriginalFilename();
    String path = WebConstants.FILE.UPLOAD_PATH+loginUser.getNuId()+"/";
    File targetFile = new File(path , fileName);
    try {
        List<Map<String,String>> productList=productService.getProductByLogin(loginUser);
        model.addAttribute("productList",productList);
        if (targetFile.exists()){
            model.addAttribute("msg","请不要重复上传，或修改文件名称继续上传。");
            return ("/file/uploadFile");
        }
        if (!(new File(path).isDirectory())) {
            new File(path).mkdirs();
        }
        //保存
        file.transferTo(targetFile);
        if (handleFileService.checkDate(targetFile,pids)){
            targetFile.delete();
            model.addAttribute("msg","文件中数据校验失败，请重新检查数据。");
            return ("/file/uploadFile");
        }
        log.info("file upload success! path="+path+fileName);
        handleFileService.insert(fileName,pids,loginUser);
    } catch (Exception e) {
        targetFile.delete();
        log.error("file.upload error", e);
        model.addAttribute("msg", "上传文件失败，请重试。");
        return ("/file/uploadFile");
    }
    model.addAttribute("msg", "上传成功");
    return ("/file/uploadFile");
}