三、struts2+swfUpload简单例子

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SWFUplaod学习笔记

struts2 swfUpload 例子 demo

下面是效果介绍：

项目目录截图：

代码介绍

1、Index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
  <link href="<%=basePath%>css/default.css" rel="stylesheet" type="text/css" />
   	<script type="text/javascript" src="<%=basePath%>js/swfupload.js"></script>
   	<script type="text/javascript" src="<%=basePath%>js/swfupload.queue.js"></script>
    <script type="text/javascript" src="<%=basePath%>js/fileprogress.js"></script>
    <script type="text/javascript" src="<%=basePath%>js/handlers.js"></script>
   	<!-- 初始化swfupload 对象-->
   <script type="text/javascript">
		var upload1;

		window.onload = function() {
			upload1 = new SWFUpload({

				//提交路径
				upload_url: "upload.action",
				//向后台传递额外的参数
				post_params: {"name" : "kaobian"},
				//上传文件的名称
				file_post_name: "file",
				
				// 下面自己按照字面意思理解
				file_size_limit : "102400",	// 100MB
				file_types : "*.*",
				file_types_description : "All Files",
				file_upload_limit : "10",
				file_queue_limit : "0",

				// 事件处理
				file_dialog_start_handler : fileDialogStart,
				file_queued_handler : fileQueued,
				file_queue_error_handler : fileQueueError,
				file_dialog_complete_handler : fileDialogComplete,
				upload_start_handler : uploadStart,
				upload_progress_handler : uploadProgress,
				upload_error_handler : uploadError,
				upload_success_handler : uploadSuccess,
				upload_complete_handler : uploadComplete,

				// 按钮的处理
				button_image_url : "images/XPButtonUploadText_61x22.png",
				button_placeholder_id : "spanButtonPlaceholder1",
				button_width: 61,
				button_height: 22,
				
				// Flash Settings
				flash_url : "js/swfupload.swf",
				

				custom_settings : {
					progressTarget : "fsUploadProgress1",
					cancelButtonId : "btnCancel1"
				},
				
				// Debug Settings
				debug: false
			});
	     }
	    
	</script>
  </head>
  
  <body>
</div>
  <div id="content">
    <form action="upload.action" method="post" name="thisform" enctype="multipart/form-data">
    	
		<table>
			<tr valign="top">
				<td>
					<div>
						
						<div style="padding-left: 5px;">
							
							<span id="spanButtonPlaceholder1"></span>
							<!--<input type="button" value="上传" onclick="upload1.addPostParam('idname',encodeURI(document.getElementById('myFileName').value));upload1.startUpload();"/>
							--><input id="btnCancel1" type="button" value="Cancel Uploads" onclick="cancelQueue(upload1);" disabled="disabled" style="margin-left: 2px; height: 22px; font-size: 8pt;" />
							<br />
						</div>
						<div class="fieldset flash" id="fsUploadProgress1">
							<span class="legend">文件上传</span>
						</div>
					</div>
				</td>
			</tr>
		</table>
    </form>
    </div>
  </body>
</html>

Upload.action

package com.action;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class FileUploadAction extends ActionSupport {
	private File file;
	private String fileFileName;
	private String fileContentType;
	private String savePath;

	public String execute() throws Exception {
		
		InputStream is = new FileInputStream(file);
		String root = getSavePath();
		//String tempName = System.currentTimeMillis()+this.getFileFileName().substring(this.getFileFileName().indexOf("."));	
		File deskFile = new File(root, this.getFileFileName());
		OutputStream os = new FileOutputStream(deskFile);
		byte[] bytefer = new byte[1024];
		int length = 0;
		while ((length = is.read(bytefer)) != -1) {
			os.write(bytefer, 0, length);
		}
		os.close();
		is.close();
		return "success";
	}

	
	public String getSavePath() {
		return ServletActionContext.getServletContext().getRealPath(savePath);
	}


	public void setSavePath(String savePath) {
		this.savePath = savePath;
	}


	public File getFile() {
		return file;
	}

	public void setFile(File file) {
		this.file = file;
	}

	public String getFileFileName() {
		return fileFileName;
	}

	public void setFileFileName(String fileFileName) {
		this.fileFileName = fileFileName;
	}

	public String getFileContentType() {
		return fileContentType;
	}

	public void setFileContentType(String fileContentType) {
		this.fileContentType = fileContentType;
	}

}

Web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
	<filter>
		<filter-name>struts2</filter-name>
		<filter-class>
			org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>struts2</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>

Struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC  "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>

	<!-- 配置struts2.1.8 上传是文件的最大限制为100M -->
	<constant name="struts.multipart.maxSize" value="104857600" />
	
	<!-- 设置struts2 上传文件时  保存的临时目录 -->
	<constant name="struts.multipart.saveDir" value="C:\temp"></constant>
	
	<package name="struts2" extends="struts-default">
		<action name="upload" class="com.action.FileUploadAction">
			<param name="savePath">/upload</param>
			<result name="success">/index.jsp</result>
			<result name="input">/index.jsp</result>
		</action>
	</package>
</struts>