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jQuery学习第八课(jquery中的ajax)

2014-04-10 13:41 260 查看

jquery中的ajax

1. jqueryDOM.load()

2. $.get()

3. $.post()

4. $.ajax()

--------------------------------test.html-------------------------

<body>
<ul id="test1">
<li>11111</li>
<li>22222</li>
<li>33333</li>
</ul>
<ul id="test2">
<li>aaaaa</li>
<li>cccccc</li>
<li>ddddd</li>
</ul>
</body>

-----------------------------demo1--------------------------------

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "[http://blog.csdn.net/iteye_20659/article/details/url=http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd]http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd[/http://blog.csdn.net/iteye_20659/article/details/url]">
<html xmlns="[http://blog.csdn.net/iteye_20659/article/details/url=http://www.w3.org/1999/xhtml]http://www.w3.org/1999/xhtml[/http://blog.csdn.net/iteye_20659/article/details/url]" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>demo1</title>
<style>
.load{width: 500px;height: 300px;border: 1px solid #abcdef;}
</style>
<script src="jquery.js"></script>
</head>
<body>
<input type="button" value="加载" />
<div class="load"></div>
<script>
$('input[type=button]').click(function(){
$('.load').load('test.html?date='+Math.random()+' #test2');
});
</script>

/*<script>
$('input[type=button]').click(function(){
$.get('test.txt?data='+Math.random(),function(data){
$('.load').html(data);
});
});
</script>*/
</body>
</html>

--------------------------------------------------------------------------------

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "[http://blog.csdn.net/iteye_20659/article/details/url=http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd]http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd[/http://blog.csdn.net/iteye_20659/article/details/url]">
<html xmlns="[http://blog.csdn.net/iteye_20659/article/details/url=http://www.w3.org/1999/xhtml]http://www.w3.org/1999/xhtml[/http://blog.csdn.net/iteye_20659/article/details/url]" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>demo</title>
<script src="jquery.js"></script>
<style>
div{color:red;}
</style>
</head>
<body>
<input type="text" name="username" id="username" />
<input type="button" value="检验" />
<div></div>
<script>
$('input[type=button]').click(function(){
//发送的参数格式必须是json格式
var send = {'username':$('#username').val()}
$('div').load('process.php',send,function(data){
alert(data);
});
});
</script>

/*<script>
$('input[type=button]').click(function(){
var http://blog.csdn.net/iteye_20659/article/details/url = 'process.php';
var sendData = {'username':$('#username').val()};
$.ajax({
[http://blog.csdn.net/iteye_20659/article/details/url=http://blog.csdn.net/iteye_20659/article/details/url]http://blog.csdn.net/iteye_20659/article/details/url:http://blog.csdn.net/iteye_20659/article/details/url[/http://blog.csdn.net/iteye_20659/article/details/url],
type:'post',
data:sendData,
success:function(data){
if(data=='true'){
$('div').html('用户名可以使用');
}else{
$('div').html('用户名不可以是admin');
}
}
});
})
</script>*/
</body>
</html>

--------------------------process.php------------------------------

<?php
header('Content-type: text/html;chartset=utf-8');

$username = $_POST['username'];
// $username = $_GET['username'];
if($username=='admin'){
echo 'false';
}else{
echo "true";
}

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