Spring-MVC文件上传

     

1. <!--jsp页面-->
2. <form action="testUpload" method="post" enctype="multipart/form-data">
3.             <input type="file" name="file"><br>
4.             <input type="text" name="desc"><br>
5.             <input type="submit" value="提交">
6.  </form>

     

     

• //controller配置
• @Controller
• public class ServletFile {
•     @RequestMapping("testUpload")
•     public String testUpload(@RequestParam("desc") String desc , @RequestParam("file") MultipartFile file) throws IOException{
•             InputStream is = file.getInputStream();
•             String relname = file.getOriginalFilename();
•             OutputStream os = new FileOutputStream("D:\\"+relname);
•             byte[] byt = new byte[1024];
•             int len = -1;
•             
•             while((len = is.read(byt)) != -1){
•                 os.write(byt,0,len);
•             }
•             os.close();
•             is.close();   
•         return "MyJsp";
•     }
• }

     

     

• <!-- Springmvc.xml配置 -->
• <!-- 文件上传 -->
•         <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
•             <!-- 上传编码 -->
•             <property name="defaultEncoding" value="UTF-8"></property>
•             <!-- 上传最大文件  "-1"为无限 -->
•             <property name="maxUploadSize" value="1024000"></property>
•             <!-- 客户端》服务器内存》》服务器硬盘   此处大小代表服务器内存 -->
•             <property name="maxInMemorySize" value="666666" ></property>
•         </bean>