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struts2 文件上传

2013-12-07 12:25 363 查看

1. action中加上file属性

2. form表单中加上 input type="file"

3. form表单属性加上enctype="multipart/form-data"

4. action类中加上xxxFileName, xxxContentType属性，以便获取文件名和类型

5. 配置<constant name="struts.multipart.saveDir" value="D:/TDDOWNLOAD" />属性

package com.wolfgang.action;

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

import org.apache.commons.io.FileUtils;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionSupport;

@Controller("uploadFile")
public class FileUploadAction extends ActionSupport{
private File uploadfile;
private String uploadfileFileName;
private String uploadfileContentType;

public File getUploadfile() {
return uploadfile;
}

public String getUploadfileFileName() {
return uploadfileFileName;
}

public void setUploadfileFileName(String uploadfileFileName) {
this.uploadfileFileName = uploadfileFileName;
}

public String getUploadfileContentType() {
return uploadfileContentType;
}

public void setUploadfileContentType(String uploadfileContentType) {
this.uploadfileContentType = uploadfileContentType;
}

public void setUploadfile(File uploadfile) {
this.uploadfile = uploadfile;
}

public String upload()
{
try {
FileUtils.copyFile(uploadfile, new File("D:/baiduyundownload/myeclipse.10/MyEclipse 10/"+uploadfileFileName));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return SUCCESS;
}

}

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'upload.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

</head>

<body>
<form action="uploadFile" enctype="multipart/form-data"  method="post">
选择文件:<input type="file" name="uploadfile"/></br>
<input type="submit" value="提交"/>
</form>
</body>
</html>

ServletActionContext.getServletContext().getRealPath("/upload_files/")+"/"+uploadfileFileName

可以获取当前部署服务的绝对地址

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