使用Spring CommonsMultipartResolver 上传文件

 

在springmvc的配置文件中配置CommonsMultipartResolver

也可以在Spring的配置文件中添加  Xml代码  

1. <bean id=”multipartResolver” class=”org.springframework.web.multipart.commons.CommonsMultipartResolver”>  
2. <property name=”defaultEncoding” value=”UTF-8″ />  
3. </bean>   

实例

spring mvc 上传文件（注解）  

package net.hqit.action;

import java.io.File;
import java.io.IOException;

import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;
import org.springframework.util.FileCopyUtils;
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 FileUploadController {

    @RequestMapping(value="/upload.do",method=RequestMethod.POST)
    public String upload(@RequestParam("imageFile") MultipartFile image,HttpServletRequest request) throws IOException
    {
        String path = request.getRealPath("/upload");
        request.setAttribute("name",image.getOriginalFilename());
        request.setAttribute("img","<img src='http://mn960mn.blog.163.com/blog/upload/"+image.getOriginalFilename()+"'></img>");
        FileCopyUtils.copy(image.getBytes(),new File(path+"/"+image.getOriginalFilename())); 
        return "ok";
    }
}


spring-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"  
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
        xmlns:p="http://www.springframework.org/schema/p"  
        xmlns:context="http://www.springframework.org/schema/context"  
        xsi:schemaLocation="http://www.springframework.org/schema/beans   
           http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
           http://www.springframework.org/schema/context   
           http://www.springframework.org/schema/context/spring-context-3.0.xsd"> 

     <context:component-scan base-package="net.hqit.action"/>
    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />

     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
         <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>    
         <property name="prefix" value="/WEB-INF/view/"/>   
         <property name="suffix" value=".jsp"/>             
     </bean>  
        
    <bean id="multipartResolver"  
          class="org.springframework.web.multipart.commons.CommonsMultipartResolver"  
          p:defaultEncoding="utf-8" />  

</beans>