1.
<tr>
<td align="right">广告图片<font color="red">*</font>：</td>
<td align="left">
<input type="button" id="show_upload_pic_but" name="show_upload_pic_but" value="上传图片" onclick="showUploadWin('ad_upload','callbackFun')"/>
<div id="pic_content">
</div>
</td>
</tr>
2.
function showUploadWin(imagePath,callbackName){
try{
var content=[];
content.push("<table id='upload_tabel'>");
content.push("<tr>");
content.push("<td align='center' style='padding: 10px;'>");
content.push('<form name="upload_pic_form" id="upload_pic_form" enctype="multipart/form-data" method="post" action="imgUpload.action" target="upload_frame" onsubmit="return checkUploadPic();">' );
content.push('<input type="hidden" name="imagePath" value="'+imagePath+'" />');
content.push('<input type="hidden" name="callbackName" value="'+callbackName+'" />');
content.push('<div style="margin-top:20px;">');
content.push('<input id="picFile" name="upload" type="file" style="width:260px;"/>');
content.push('</div>');
content.push('<div style="padding-left:20px; padding-top:10px;">');
content.push('<input type="submit" name="Submit" value=" 上 传 " /> ');
content.push('<input type="reset" name="reset" value=" 重 置 " />');
content.push('</div>');
content.push('</form>');
content.push("<iframe name='upload_frame' id='upload_frame' style='display:none' ></iframe>");
content.push("</td></tr>");
content.push("</table>");
//弹窗口
ymPrompt.win(content.join(''),300,200,'上传文件');
}
catch(e){
alert(e.message);
}
}
function callbackFun(flg,filepath){
if(flg=='success'){
var content=[];
content.push("<span><img src='"+showPicpath+"/"+filepath+"' width='150' height='150' />");
content.push("<input type='text' name='ad.file_path' value='"+filepath+"' readonly='true'/>");
content.push("</span>");
$("#pic_content").html(content.join(''));
closeUploadPicWin();
}
else{
alert("上传图片失败");
}
}
3
<action name="imgUpload" class="imgAciton" method="execute">
<interceptor-ref name ="fileUploadStack" />
<result name="showUpload">/jsp/advertisement/return.jsp</result>
</action>
4return.jsp
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>上传成功</title>
</head>
<body>
<%
out.print("<script type='text/javascript'>parent.");
%><s:property value='callbackName'/><%
out.print("('success','");
%><s:property value='imgFileName'/><%
out.print("')</script>");
%>
</body>
</html>
5
package com.gwtravel.action;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;
import java.util.Map;
import javax.servlet.ServletConfig;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
import org.apache.struts2.interceptor.SessionAware;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import org.springframework.web.context.ServletConfigAware;
import com.opensymphony.xwork2.ActionSupport;
@Controller("imgAciton")
@Scope("prototype")
public class UplaodImg extends ActionSupport implements ServletConfigAware,
ServletRequestAware, ServletResponseAware, SessionAware {
static Logger logger = Logger.getLogger(UplaodImg.class);
protected HttpServletRequest request;
protected HttpServletResponse response;
private ServletConfig servletConfig;
Map sessionMap;
private File upload;
private String uploadContextType;
private String uploadFileName;
private String imagePath;
private String callbackName;
private String imgFileName;//最后生成的文件名
public File getUpload() {
return upload;
}
public void setUpload(File upload) {
this.upload = upload;
}
public String getUploadContextType() {
return uploadContextType;
}
public void setUploadContextType(String uploadContextType) {
this.uploadContextType = uploadContextType;
}
public String getUploadFileName() {
return uploadFileName;
}
public void setUploadFileName(String uploadFileName) {
this.uploadFileName = uploadFileName;
}
public String getImgFileName() {
return imgFileName;
}
public void setImgFileName(String imgFileName) {
this.imgFileName = imgFileName;
}
// 通过struts2的配置文件得到上传目录，这个是很重要的
public String getImagePath() throws IOException {
//判断目录是否存在，不存在则创建
FileUtils.forceMkdir(new File(ServletActionContext.getRequest().getRealPath("/"+imagePath)));
return ServletActionContext.getRequest().getRealPath("/"+imagePath);
}
public void setImagePath(String imagePath) {
this.imagePath = imagePath;
}
public String getCallbackName() {
return callbackName;
}
public void setCallbackName(String callbackName) {
this.callbackName = callbackName;
}
private String getExtention(String fileName) {
int pos = fileName.lastIndexOf(".");
return fileName.substring(pos);
}
@Override
public String execute() throws Exception {
String imgName = new Date().getTime() + getExtention(uploadFileName);
// logger.error(getImagePath() + "/"+ imgName);
System.out.println("test imgName: "+imgName);
this.imgFileName = imgName;
FileOutputStream fos = new FileOutputStream(getImagePath() + "/"+ imgName);
FileInputStream fis = new FileInputStream(getUpload());
byte[] buffer = new byte[1024];
int len = 0;
while ((len = fis.read(buffer)) > 0) {
fos.write(buffer, 0, len);
}
return "showUpload";
}
public String imgLogin1(){
String imguser=request.getParameter("username");
String imgpassword=request.getParameter("password");
sessionMap.put("imguser", imguser);
sessionMap.put("imgpassword", imgpassword);
return SUCCESS;
}
@Override
public void setServletRequest(HttpServletRequest arg0) {
this.request = arg0;
}
@Override
public void setServletResponse(HttpServletResponse arg0) {
// TODO Auto-generated method stub
this.response = arg0;
}
@Override
public void setSession(Map arg0) {
this.sessionMap=arg0;
}
@Override
public void setServletConfig(ServletConfig arg0) {
// TODO Auto-generated method stub
this.servletConfig = arg0;
}
}