ajaxFileupload.js
2013-07-20 15:32
225 查看
ajaxFileUpload上传多文件需要改源代码ajaxFileUpload.js，而且参数data上传到后台无数据。。。。
ajaxFileUpload.jsp
<%@ 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>
<script type="text/javascript" src="js/jquery-1.8.2.js"></script>
<script type="text/javascript" src="js/index.js"></script>
<script type="text/javascript" src="js/ajaxfileupload.js"></script>
<script type="text/javascript">
function ajaxFileUpload()
{
//校验文件格式
var tmpFileValue = $("#file").val();
if(!/^.*?\.(gif|png|jpg|jpeg|bmp|doc|docx|xls|pdf|txt|mp3)$/.test(tmpFileValue.toLowerCase())){
alert("只能上传jpg、jpeg、png、bmp、gif、doc、docx、xls、pdf、txt、mp3格式的图片！");
return false;
}
var data = { username: 'my name'};
$("#loading")
.ajaxStart(function(){
$(this).show();
})//开始上传文件时显示一个图片
.ajaxComplete(function(){
$(this).hide();
});//文件上传完成将图片隐藏起来
$.ajaxFileUpload
(
{
url:'ajax/ajaxFileUploadAction.action',//用于文件上传的服务器端请求地址
type:'post',
secureuri:false,//一般设置为false
fileElementId:'file',//文件上传空间的id属性 <input type="file" id="file" name="file" />
dataType: 'json',//返回值类型 一般设置为json
data:data,
//带参数传递，有问题。。后台接受不到
//data:{"username": $("#username").val()},
success: function (data, status) //服务器成功响应处理函数
{
alert(data.message);//从服务器返回的json中取出message中的数据,其中message为在struts2中定义的成员变量
if(typeof(data.error) != 'undefined')
{
if(data.error != '')
{
alert(data.error);
}else
{
alert(data.message);
}
}
},
error: function (data, status, e)//服务器响应失败处理函数
{
alert(e);
}
}
)
return false;
}
</script>
</head>
<body>
<input type="text" name="username" id="username"/><br/>
<img src="loading.gif" id="loading" style="display: none;">
<input type="file" id="file" name="file" />
<br />
<input type="button" value="上传" onclick="return ajaxFileUpload();">
</body>
</html>
AjaxFileAction
package com.pb.cdjj.zxk.uploadAction;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionSupport;
import com.pb.cdjj.zxk.entity.User;
public class AjaxFileAction extends ActionSupport {
private File file;
private String fileFileName;
private String fileFileContentType;
private String uploadFilePath;
private String message = "你已成功上传文件";
private String username;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
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 getFileFileContentType() {
return fileFileContentType;
}
public void setFileFileContentType(String fileFileContentType) {
this.fileFileContentType = fileFileContentType;
}
public String getUploadFilePath() {
return uploadFilePath;
}
public void setUploadFilePath(String uploadFilePath) {
this.uploadFilePath = uploadFilePath;
}
public String execute() throws Exception {
System.out.println("username-------->" + username);
System.out.println("file-------->" + file);
System.out.println("file.length()-------->" + file.length());
String path = ServletActionContext.getServletContext().getRealPath(getUploadFilePath());
System.out.println(path);
try {
File f = this.getFile();
if(this.getFileFileName().endsWith(".exe")){
message="对不起,你上传的文件格式不允许!!!";
return Action.ERROR;
}
File newFile = new File(path + "/"+ this.getFileFileName());
if (!newFile.getParentFile().exists()) {
System.out.println("目录不存在，新建上传目录");
newFile.getParentFile().mkdir();
}
FileInputStream inputStream = new FileInputStream(f);
FileOutputStream outputStream = new FileOutputStream(path + "/"+ this.getFileFileName());
byte[] buf = new byte[1024];
int length = 0;
while ((length = inputStream.read(buf)) != -1) {
outputStream.write(buf, 0, length);
}
inputStream.close();
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
message = "对不起,文件上传失败了!!!!";
}
return Action.SUCCESS;
}
}
struts.xml
<!--演示ajaxFileUpload请求 -->
<action name="ajaxFileUploadAction" class="com.pb.cdjj.zxk.uploadAction.AjaxFileAction">
<param name="uploadFilePath">/upload</param>
<result type="json" name="success">
<param name="contentType">
text/html
</param>
</result>
<result type="json" name="error">
<param name="contentType">
text/html
</param>
</result>
</action>
ajaxFileUpload.jsp
<%@ 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>
<script type="text/javascript" src="js/jquery-1.8.2.js"></script>
<script type="text/javascript" src="js/index.js"></script>
<script type="text/javascript" src="js/ajaxfileupload.js"></script>
<script type="text/javascript">
function ajaxFileUpload()
{
//校验文件格式
var tmpFileValue = $("#file").val();
if(!/^.*?\.(gif|png|jpg|jpeg|bmp|doc|docx|xls|pdf|txt|mp3)$/.test(tmpFileValue.toLowerCase())){
alert("只能上传jpg、jpeg、png、bmp、gif、doc、docx、xls、pdf、txt、mp3格式的图片！");
return false;
}
var data = { username: 'my name'};
$("#loading")
.ajaxStart(function(){
$(this).show();
})//开始上传文件时显示一个图片
.ajaxComplete(function(){
$(this).hide();
});//文件上传完成将图片隐藏起来
$.ajaxFileUpload
(
{
url:'ajax/ajaxFileUploadAction.action',//用于文件上传的服务器端请求地址
type:'post',
secureuri:false,//一般设置为false
fileElementId:'file',//文件上传空间的id属性 <input type="file" id="file" name="file" />
dataType: 'json',//返回值类型 一般设置为json
data:data,
//带参数传递，有问题。。后台接受不到
//data:{"username": $("#username").val()},
success: function (data, status) //服务器成功响应处理函数
{
alert(data.message);//从服务器返回的json中取出message中的数据,其中message为在struts2中定义的成员变量
if(typeof(data.error) != 'undefined')
{
if(data.error != '')
{
alert(data.error);
}else
{
alert(data.message);
}
}
},
error: function (data, status, e)//服务器响应失败处理函数
{
alert(e);
}
}
)
return false;
}
</script>
</head>
<body>
<input type="text" name="username" id="username"/><br/>
<img src="loading.gif" id="loading" style="display: none;">
<input type="file" id="file" name="file" />
<br />
<input type="button" value="上传" onclick="return ajaxFileUpload();">
</body>
</html>
AjaxFileAction
package com.pb.cdjj.zxk.uploadAction;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionSupport;
import com.pb.cdjj.zxk.entity.User;
public class AjaxFileAction extends ActionSupport {
private File file;
private String fileFileName;
private String fileFileContentType;
private String uploadFilePath;
private String message = "你已成功上传文件";
private String username;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
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 getFileFileContentType() {
return fileFileContentType;
}
public void setFileFileContentType(String fileFileContentType) {
this.fileFileContentType = fileFileContentType;
}
public String getUploadFilePath() {
return uploadFilePath;
}
public void setUploadFilePath(String uploadFilePath) {
this.uploadFilePath = uploadFilePath;
}
public String execute() throws Exception {
System.out.println("username-------->" + username);
System.out.println("file-------->" + file);
System.out.println("file.length()-------->" + file.length());
String path = ServletActionContext.getServletContext().getRealPath(getUploadFilePath());
System.out.println(path);
try {
File f = this.getFile();
if(this.getFileFileName().endsWith(".exe")){
message="对不起,你上传的文件格式不允许!!!";
return Action.ERROR;
}
File newFile = new File(path + "/"+ this.getFileFileName());
if (!newFile.getParentFile().exists()) {
System.out.println("目录不存在，新建上传目录");
newFile.getParentFile().mkdir();
}
FileInputStream inputStream = new FileInputStream(f);
FileOutputStream outputStream = new FileOutputStream(path + "/"+ this.getFileFileName());
byte[] buf = new byte[1024];
int length = 0;
while ((length = inputStream.read(buf)) != -1) {
outputStream.write(buf, 0, length);
}
inputStream.close();
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
message = "对不起,文件上传失败了!!!!";
}
return Action.SUCCESS;
}
}
struts.xml
<!--演示ajaxFileUpload请求 -->
<action name="ajaxFileUploadAction" class="com.pb.cdjj.zxk.uploadAction.AjaxFileAction">
<param name="uploadFilePath">/upload</param>
<result type="json" name="success">
<param name="contentType">
text/html
</param>
</result>
<result type="json" name="error">
<param name="contentType">
text/html
</param>
</result>
</action>
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