Struts2之上传
单文件上传
上传页面
<%@ 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>Insert title here</title>
</head>
<body>
<form action="upload.action" method="post" enctype="multipart/form-data">
文件：<input type="file" name="upload"><br><br>
上传者：<input type="text" name="author">
<input type="submit" value="上传">
</form>
</body>
</html>
struts.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
"http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>
<constant name="struts.devMode" value="true"></constant>
<package name="jiangwenwen" namespace="/" extends="struts-default">
<action name="upload" class="cn.jiangwenwen.action.UploadAction" method="fileUpload">
<result name="success">/success.jsp</result>
</action>
</package>
</struts>
Action类
public class UploadAction extends ActionSupport{
//存放上传的文件对象
private File upload;
//上传的文件名称
private String uploadFileName;
//上传的上传者
private String author;
public String fileUpload() throws IOException {
FileInputStream fis = new FileInputStream(upload);
String path = "D://pic/"+uploadFileName;
FileOutputStream fos = new FileOutputStream(path);
int flag = 0;
while((flag=fis.read())!=-1) {
fos.write(flag);
}
fis.close();
fos.close();
return SUCCESS;
}
public File getUpload() {
return upload;
}
public void setUpload(File upload) {
this.upload = upload;
}
public String getUploadFileName() {
return uploadFileName;
}
public void setUploadFileName(String uploadFileName) {
this.uploadFileName = uploadFileName;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
}
成功接收页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" isELIgnored="false"%>
<!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>Insert title here</title>
</head>
<body>
<!-- 此 /pic为服务器配置的路径-->
<img src="/pic/${uploadFileName }">
</body>
</html>
批量上传
上传页面
<%@ 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>Insert title here</title>
</head>
<body>
<form action="upload.action" method="post" enctype="multipart/form-data">
文件：<input type="file" name="upload"><br><br>
<input type="file" name="upload"><br><br>
上传者：<input type="text" name="author">
<input type="submit" value="上传">
</form>
</body>
</html>
struts.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
"http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>
<!-- 修改文件上传大小限制 -->
<constant name="struts.multipart.maxSize" value="11111111111111111"></constant>
<!-- 开启国际化,value的值是配置文件的名称（在src目录下）-->
<constant name="struts.custom.i18n.resources" value="message" />
<!-- 开启开发者模式 -->
<constant name="struts.devMode" value="true"></constant>
<package name="jiangwenwen" namespace="/" extends="struts-default">
<action name="upload" class="cn.jiangwenwen.action.UploadAction" method="upload">
<result name="success">/success.jsp</result>
<result name="input">/error.jsp</result>
<!-- 控制单个文件上传大小 -->
<interceptor-ref name="fileUpload">
<param name="maximumSize">
1500
</param>
</interceptor-ref>
<interceptor-ref name="defaultStack"></interceptor-ref>
</action>
</package>
</struts>
Action类
public class UploadAction extends ActionSupport{
//上传的文件对象
private File[] upload;
//上传的文件名称
private String[] uploadFileName;
//上传的文件类型
private String[] uploadContentType;
public String upload() {
String path = "D://pic/";
for(int i=0;i<upload.length;i++) {
upload[i].renameTo(new File(path,uploadFileName[i]));
System.out.println("上传成功");
}
return SUCCESS;
}
public File[] getUpload() {
return upload;
}
public void setUpload(File[] upload) {
this.upload = upload;
}
public String[] getUploadFileName() {
return uploadFileName;
}
public void setUploadFileName(String[] uploadFileName) {
this.uploadFileName = uploadFileName;
}
public String[] getUploadContentType() {
return uploadContentType;
}
public void setUploadContentType(String[] uploadContentType) {
this.uploadContentType = uploadContentType;
}
}
成功接收页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!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>Insert title here</title>
</head>
<body>
<s:debug></s:debug>
</body>
</html>
