spring上传文件

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package com.springapp.mvc;

import org.apache.commons.io.FileUtils;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.beans.factory.annotation.Autowired;
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;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import com.yangzhuo.Point.Log;

/**
* Created by yangzhuo02 on 2015/9/7.
*/
@Controller
@RequestMapping("/")
public class FileUploadController {

@Autowired
private com.springapp.mvc.Service service;

@RequestMapping(value = "/upload", method = RequestMethod.POST)
public String fileupload( @RequestParam("name") String name, @RequestParam("uploadfile") MultipartFile uploadfile,

HttpServletRequest httpServletRequest) throws IOException{

//使用此方法获取文件存放路径

String realPath = httpServletRequest.getSession().getServletContext().getRealPath("/WEB-INF/upload");

service.sayHello();

if (!uploadfile.isEmpty()) {

//必须使用getOriginalFilename否则会因为无法获取文件名字而报错

FileUtils.copyInputStreamToFile(uploadfile.getInputStream(), new File(realPath, uploadfile.getOriginalFilename()));
return "success";
} else {
return "error";
}

}

}

jsp文件:

<%--
Created by IntelliJ IDEA.
User: yangzhuo02
Date: 2015/9/7
Time: 11:03
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
<form method="post"
action="/upload" enctype="multipart/form-data">
File to upload: <input type="file" name="uploadfile"><br/>
name: <input type="text" name="name">
<input type="submit" value="Upload"> Press here to upload the file!
</form>

<%--<form action="/upload" method="post">--%>
<%--name:<input type="text" name="name">--%>
<%--<input type="submit"/>--%>

<%--</form>--%>

</body>
</html>

配置文件中比较重要的部分

<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding" value="UTF-8"/>

<property name="maxUploadSize" value="2000000"/>
</bean>



<bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
<property name="exceptionMappings">
<props>

<prop key="org.springframework.web.multipart.MaxUploadSizeExceededException">error</prop>
</props>
</property>
</bean>

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