FileUploadController.java
package cn.com.songjy.fileupload.controller;
import java.io.File;
import java.io.IOException;
import javax.servlet.ServletContext;
import org.apache.commons.io.FilenameUtils;
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.context.ServletContextAware;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
@Controller
public class FileUploadController implements ServletContextAware{
private ServletContext servletContext;
@Override
public void setServletContext(ServletContext servletContext) {
this.servletContext = servletContext;
}
@RequestMapping(value = "/file.do", method = RequestMethod.POST)
public String fileUpload(
@RequestParam("up1") MultipartFile multipartFile,
@RequestParam("up2") CommonsMultipartFile commonsMultipartFile) throws Exception{
String path = servletContext.getRealPath("/");
if(multipartFile.isEmpty()){
System.out.println("方式一没有选择文件");
}else{
String fileName = "way1"+multipartFile.getOriginalFilename();
File file = new File(path+fileName);
multipartFile.transferTo(file);
System.out.println("方式一文件名:"+fileName);
System.out.println("方式一文件路径:"+file.getPath());
System.out.println("方式一文件后缀名:"+FilenameUtils.getExtension(multipartFile.getOriginalFilename()));
}
if(commonsMultipartFile.isEmpty()){
System.out.println("方式二没有选择文件");
}else{
String fileName = "way1"+commonsMultipartFile.getOriginalFilename();
File file = new File(path+fileName);
commonsMultipartFile.getFileItem().write(file);
System.out.println("方式二文件名:"+fileName);
System.out.println("方式二文件路径:"+file.getPath());
System.out.println("方式二文件后缀名:"+FilenameUtils.getExtension(commonsMultipartFile.getOriginalFilename()));
}
return "file";
}
@RequestMapping(value = "/fileIndex.do", method = RequestMethod.GET)
public String fileIndex(){
return "file";
}
}
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Spring FileUpload</title>
</head>
<body>
<form action="file.do" method="post" enctype="multipart/form-data">
<input type="file" name="up1"><br>
<input type="file" name="up2"><br>
<input type="submit" value="上传">
</form>
</body>
</html>