springMVC 多文件上传
2017-07-11 17:15
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jsp页面
<%@ 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>多文件上传</title>
</head>
<body>
<div style="margin: 0 auto;margin-top: 100px;">
<form action="moreUpload.html" method="post" enctype="multipart/form-data">
<p>
<span>文件1：</span>
<input type="file" name="imageFile1">
</p>
<p>
<span>文件2：</span>
<input type="file" name="imageFile2">
</p>
<p>
<input type="submit" value="提交">
</p>
</form>
</div>
</body>
</html>
Controller方法
@RequestMapping("moreUpload")
public String moreUpload(HttpServletRequest request){
MultipartHttpServletRequest multipartHttpServletRequest =(MultipartHttpServletRequest) request;
Map<String,MultipartFile> files = multipartHttpServletRequest.getFileMap();
//获取图片上传路径
String uploadUrl = request.getSession().getServletContext().getRealPath("/")+"upload/";
File dir = new File(uploadUrl);
if(!dir.exists()){
dir.mkdirs();
}
List<String> fileList = new ArrayList<String>();
for (MultipartFile file : files.values()){
File targerFile = new File(uploadUrl+file.getOriginalFilename());
if(!targerFile.exists()){
try {
targerFile.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
try {
file.transferTo(targerFile);
fileList.add("upload/"+file.getOriginalFilename());
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
request.setAttribute("files", fileList);
return "moreUploadResult";
}
结果页面
<%@page import="org.apache.jasper.tagplugins.jstl.core.ForEach"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ 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>多文件上传</title>
</head>
<body>
<h1>多文件上传成功</h1>
<div style="margin: 0 auto;margin-top: 100px;">
<ul>
<c:forEach items="${files}" var="file">
<li>
<a >
<img alt="图片" src="${file}">
</a>
</li>
</c:forEach>
</ul>
</div>
</body>
</html>
<%@ 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>多文件上传</title>
</head>
<body>
<div style="margin: 0 auto;margin-top: 100px;">
<form action="moreUpload.html" method="post" enctype="multipart/form-data">
<p>
<span>文件1：</span>
<input type="file" name="imageFile1">
</p>
<p>
<span>文件2：</span>
<input type="file" name="imageFile2">
</p>
<p>
<input type="submit" value="提交">
</p>
</form>
</div>
</body>
</html>
Controller方法
@RequestMapping("moreUpload")
public String moreUpload(HttpServletRequest request){
MultipartHttpServletRequest multipartHttpServletRequest =(MultipartHttpServletRequest) request;
Map<String,MultipartFile> files = multipartHttpServletRequest.getFileMap();
//获取图片上传路径
String uploadUrl = request.getSession().getServletContext().getRealPath("/")+"upload/";
File dir = new File(uploadUrl);
if(!dir.exists()){
dir.mkdirs();
}
List<String> fileList = new ArrayList<String>();
for (MultipartFile file : files.values()){
File targerFile = new File(uploadUrl+file.getOriginalFilename());
if(!targerFile.exists()){
try {
targerFile.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
try {
file.transferTo(targerFile);
fileList.add("upload/"+file.getOriginalFilename());
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
request.setAttribute("files", fileList);
return "moreUploadResult";
}
结果页面
<%@page import="org.apache.jasper.tagplugins.jstl.core.ForEach"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ 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>多文件上传</title>
</head>
<body>
<h1>多文件上传成功</h1>
<div style="margin: 0 auto;margin-top: 100px;">
<ul>
<c:forEach items="${files}" var="file">
<li>
<a >
<img alt="图片" src="${file}">
</a>
</li>
</c:forEach>
</ul>
</div>
</body>
</html>
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