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  • 使用springMVC上传文件

    control层实现功能:

    @RequestMapping(value="upload2")
    public String upLoad2(HttpServletRequest request, HttpServletResponse response) 
       throws IllegalStateException, IOException{
        //解析器解析request的上下文
        CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext()); 
        //先判断request中是否包涵multipart类型的数据,
        if(multipartResolver.isMultipart(request)){
         //再将request中的数据转化成multipart类型的数据
         MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;
         Iterator iter = multiRequest.getFileNames();
          while(iter.hasNext()){
            MultipartFile file = multiRequest.getFile((String)iter.next());
            if(file != null){
               String fileName = file.getOriginalFilename();
               String path = "D:/" + fileName;
               File localFile = new File(path);
               //写文件到本地
               file.transferTo(localFile);
            }
         }
      }
      return "/success";
    }

    JSP文件:

    <form name="upload" action="/springMVC9/file/upload2" enctype="multipart/form-data" method="post">
      <input type="file" name="thefile" /> <input type="submit" value="上传文件" />
    </form>

    在springMVC配置文件中添加解析器:

    <!-- SpringMVC上传文件时,需要配置MultipartResolver处理器 --> 
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="defaultEncoding" value="utf-8" />
          <property name="maxUploadSize" value="10485760000" />
        <property name="maxInMemorySize" value="40960" />
    </bean>
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  • 原文地址:https://www.cnblogs.com/henuyuxiang/p/6674981.html
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