java培训课程Spring MVC之文件上传

commons-fileupload-1.2.1.jar

commons-io-2.0.jar

严重: Servlet /SpringMVC_06_FileUpload threw load() exception

java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileItemFactory

id必须是”multipartResolver”,否则，会报错误：

java.lang.IllegalArgumentException: Expected MultipartHttpServletRequest: is a MultipartResolver configured?

 –>

 class=”org.springframework.web.multipart.commons.CommonsMultipartResolver“>

<%@ page language=”java” contentType=”text/html; charset=UTF-8″

    pageEncoding=”UTF-8″%>

 “http://www.w3.org/TR/html4/loose.dtd”>

package com.atguigu.springmvc.crud.handlers;

import java.io.IOException;

import java.io.InputStream;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RequestParam;

import org.springframework.web.multipart.MultipartFile;

@Controller

public class UploadHandler {

@RequestMapping(value=”/testUpload”,method=RequestMethod.POST)

public String testUpload(@RequestParam(value=”desc”,required=false) String desc, @RequestParam(“file”) MultipartFile multipartFile) throws IOException{                

System.out.println(“desc : “+desc);

System.out.println(“OriginalFilename : “+multipartFile.getOriginalFilename());

InputStream inputStream = multipartFile.getInputStream();

System.out.println(“inputStream.available() : “+inputStream.available());

System.out.println(“inputStream : “+inputStream);

return “success”; //增加成功页面: /views/success.jsp

}

}