Java代码
package com.june.servlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
public class jqueryAjaxServer extends HttpServlet {
public jqueryAjaxServer(){
super();
}
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws IOException ,ServletException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out=response.getWriter();
String account=request.getParameter("account");
if("iamcrzay".equals(account)){
out.print("Sorry,the user is exist");
}
else{
out.print("Congratulation,this accont you can use!!!!");
}
out.close();
}
public void doPost(HttpServletRequest request,HttpServletResponse response)
throws IOException ,ServletException {
this.doGet(request, response);
}
}
package com.june.servlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
public class jqueryAjaxServer extends HttpServlet {
public jqueryAjaxServer(){
super();
}
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws IOException ,ServletException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out=response.getWriter();
String account=request.getParameter("account");
if("iamcrzay".equals(account)){
out.print("Sorry,the user is exist");
}
else{
out.print("Congratulation,this accont you can use!!!!");
}
out.close();
}
public void doPost(HttpServletRequest request,HttpServletResponse response)
throws IOException ,ServletException {
this.doGet(request, response);
}
}
下面是WEB.XML
Xml代码
<?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">
<servlet>
<servlet-name>jqueryAjaxServer</servlet-name>
<servlet-class>com.june.servlet.jqueryAjaxServer</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>jqueryAjaxServer</servlet-name>
<url-pattern>/jqueryAjax</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
<?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">
<servlet>
<servlet-name>jqueryAjaxServer</servlet-name>
<servlet-class>com.june.servlet.jqueryAjaxServer</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>jqueryAjaxServer</servlet-name>
<url-pattern>/jqueryAjax</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
下面是Jsp页面
第一个是 jqueryAjax.jsp 本页使用的是$.ajax()
Html代码
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery ajax</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$('.sumbit').click(function(){
if($('#account').val().length==0){
$('.hint').text("用户名不能位空").css({"background-color":"green"});
}
else{
$.ajax({
url:'jqueryAjax',
data:{account:$('#account').val()},
error:function(){
alert("error occured!!!");
},
success:function(data){
$('body').append("<div>"+data+"</div>").css("color","red");
}
});}
});
});
</script>
</head>
<body>
<h3 align="center">jquery AjaX</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery ajax</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$('.sumbit').click(function(){
if($('#account').val().length==0){
$('.hint').text("用户名不能位空").css({"background-color":"green"});
}
else{
$.ajax({
url:'jqueryAjax',
data:{account:$('#account').val()},
error:function(){
alert("error occured!!!");
},
success:function(data){
$('body').append("<div>"+data+"</div>").css("color","red");
}
});}
});
});
</script>
</head>
<body>
<h3 align="center">jquery AjaX</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
第二个用的是 $.post()
Html代码
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery ajax</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$('.sumbit').click(
function(){
if($('#account').val().length==0){
$('.hint').text("The account is cant't be null").css({"color":"red","background-color":"yellow"});
}
else{
$.post("jqueryAjax","account="+$('#account').val(),function(data){
$('.hint').text(data).css({"color":"red","background-color":"yellow"});
})
}
});
});
</script>
</head>
<body>
<h3 align="center">jquery Ajax</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery ajax</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$('.sumbit').click(
function(){
if($('#account').val().length==0){
$('.hint').text("The account is cant't be null").css({"color":"red","background-color":"yellow"});
}
else{
$.post("jqueryAjax","account="+$('#account').val(),function(data){
$('.hint').text(data).css({"color":"red","background-color":"yellow"});
})
}
});
});
</script>
</head>
<body>
<h3 align="center">jquery Ajax</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
第三个是用的$.get()
Html代码
<%@ page pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery get</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
$('.sumbit').click(function(){
if($('#account').val().length==0){
$('.hint').html("用户名不能位空！！！").css({"color":"#ffoo11","background":"blue"});
}
else{
$.get("jqueryAjax","account="+$('#account').val(),
function(data){
$('.hint').html(data).css({"color":"#ffoo11","background":"green"});
});
}
});
});
</script>
</head>
<body>
<h3 align="center">jquery AjaX</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
package com.june.servlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
public class jqueryAjaxServer extends HttpServlet {
public jqueryAjaxServer(){
super();
}
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws IOException ,ServletException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out=response.getWriter();
String account=request.getParameter("account");
if("iamcrzay".equals(account)){
out.print("Sorry,the user is exist");
}
else{
out.print("Congratulation,this accont you can use!!!!");
}
out.close();
}
public void doPost(HttpServletRequest request,HttpServletResponse response)
throws IOException ,ServletException {
this.doGet(request, response);
}
}
package com.june.servlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
public class jqueryAjaxServer extends HttpServlet {
public jqueryAjaxServer(){
super();
}
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws IOException ,ServletException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out=response.getWriter();
String account=request.getParameter("account");
if("iamcrzay".equals(account)){
out.print("Sorry,the user is exist");
}
else{
out.print("Congratulation,this accont you can use!!!!");
}
out.close();
}
public void doPost(HttpServletRequest request,HttpServletResponse response)
throws IOException ,ServletException {
this.doGet(request, response);
}
}
下面是WEB.XML
Xml代码
<?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">
<servlet>
<servlet-name>jqueryAjaxServer</servlet-name>
<servlet-class>com.june.servlet.jqueryAjaxServer</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>jqueryAjaxServer</servlet-name>
<url-pattern>/jqueryAjax</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
<?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">
<servlet>
<servlet-name>jqueryAjaxServer</servlet-name>
<servlet-class>com.june.servlet.jqueryAjaxServer</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>jqueryAjaxServer</servlet-name>
<url-pattern>/jqueryAjax</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
下面是Jsp页面
第一个是 jqueryAjax.jsp 本页使用的是$.ajax()
Html代码
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery ajax</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$('.sumbit').click(function(){
if($('#account').val().length==0){
$('.hint').text("用户名不能位空").css({"background-color":"green"});
}
else{
$.ajax({
url:'jqueryAjax',
data:{account:$('#account').val()},
error:function(){
alert("error occured!!!");
},
success:function(data){
$('body').append("<div>"+data+"</div>").css("color","red");
}
});}
});
});
</script>
</head>
<body>
<h3 align="center">jquery AjaX</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery ajax</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$('.sumbit').click(function(){
if($('#account').val().length==0){
$('.hint').text("用户名不能位空").css({"background-color":"green"});
}
else{
$.ajax({
url:'jqueryAjax',
data:{account:$('#account').val()},
error:function(){
alert("error occured!!!");
},
success:function(data){
$('body').append("<div>"+data+"</div>").css("color","red");
}
});}
});
});
</script>
</head>
<body>
<h3 align="center">jquery AjaX</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
第二个用的是 $.post()
Html代码
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery ajax</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$('.sumbit').click(
function(){
if($('#account').val().length==0){
$('.hint').text("The account is cant't be null").css({"color":"red","background-color":"yellow"});
}
else{
$.post("jqueryAjax","account="+$('#account').val(),function(data){
$('.hint').text(data).css({"color":"red","background-color":"yellow"});
})
}
});
});
</script>
</head>
<body>
<h3 align="center">jquery Ajax</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery ajax</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$('.sumbit').click(
function(){
if($('#account').val().length==0){
$('.hint').text("The account is cant't be null").css({"color":"red","background-color":"yellow"});
}
else{
$.post("jqueryAjax","account="+$('#account').val(),function(data){
$('.hint').text(data).css({"color":"red","background-color":"yellow"});
})
}
});
});
</script>
</head>
<body>
<h3 align="center">jquery Ajax</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
第三个是用的$.get()
Html代码
<%@ page pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jquery get</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">
<script src="js/jquery-1.2.6.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
$('.sumbit').click(function(){
if($('#account').val().length==0){
$('.hint').html("用户名不能位空！！！").css({"color":"#ffoo11","background":"blue"});
}
else{
$.get("jqueryAjax","account="+$('#account').val(),
function(data){
$('.hint').html(data).css({"color":"#ffoo11","background":"green"});
});
}
});
});
</script>
</head>
<body>
<h3 align="center">jquery AjaX</h3>
<hr>
<label>请输入用户名 ：</label>
<input id="account" name="account" type="text">
<input class="sumbit" type="button" value="检测">
<div class="hint">
</div>
</body>
</html>
分享到：
发表评论
相关推荐
最完整的jquery ajax demo
工作之余写的一些Ajax应用，有6个Demo,数据库为mysql，使用之前看readme.txt。javascript与jquery混用。无刷新购物车、输入提示、表格局部刷新、xml实时数据更新、划词解释。
JQuery ajax的各种使用方法示例和说明 本示例程序由VS2010建立 c# asp.net ajax demo
使用 jquery ajax访问后台服务器demo
Jquery Ajax DemoAjax Jquery Login DemoAjax Jquery Login DemoAjax Jquery Login DemoAjax Jquery Login Demo
jQuery使用AJAX的测试Demo，使用JSONP支持跨域。
这是本人在练习jquery时写的一个简单的小例子，主要采用了jquery的$.ajax方法。希望能对学习jquery的同学有所帮助
其中包含6款Ajax分页Demo，文字分页、图片分页都可以。具有一定特效、很炫。基本已经满足各种web分页开发了。
jquery ajax servlet json简单demo
jquery_demo03 ajax学习
Ajax、json、jQuery的常用Demo 对于初学者用巨大的帮助，里面涉及到全面的应用例子Demo，希望对于web开发者有帮助的作用。
最近项目要用Jquery ,研究了下JQUERY，做了个JQUERY AJAX 结合JSON的DEMO ，对入门的朋友有帮助
MVC2 Wcf Ajax Jquery Demo
通过它可以学习到ajax和Jquery的用法
Ajax 入门demo JavaScript 原生Ajax demo Jquery ajax demo
php+jquery+ajax最简单例子
ajax jquery demo 实例 很多很好很强大
SpringMVC框架下使用jQueryAJAX进行数据交互的一个DEMO http://blog.csdn.net/lazyrabbitlll/article/details/78615309
Jquery跨域访问Web服务的demo源码
很适合刚学ajax的学院进行研究的一套代码，容易理解，上手快