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控制器中业务代码如下：

@RequestMapping(path = "/upload")    public String testupload(HttpServletRequest request)throws Exception  {
           String path = request.getSession().getServletContext().getRealPath("/uploads/");        System.out.println(path);        File file=new File(path);        if(!file.exists())            file.mkdirs();        DiskFileItemFactory factory=new DiskFileItemFactory();        ServletFileUpload upload=new ServletFileUpload(factory);        System.out.println(upload);        //解析request 获取上传文件        List
   
     fileItems = upload.parseRequest(request);        System.out.println(fileItems);        //判断是否是上传文件        for (FileItem fileItem : fileItems) {
               if(fileItem.isFormField()){
                   //isFormField()判断是否普通表单类型            }else {
                   String name = fileItem.getName();                fileItem.write(new File(path,name));            }        }        return "success";    }
   

开始以为是文件路径的问题

然后发现文件就可以正常上传了

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