jQuery学习第八课(jquery中的ajax)

浏览数：18 / 时间：2015年06月09日

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://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" 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://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" 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>
  $(‘input[type=button]‘).click(function(){
   var url = ‘process.php‘;
   var sendData = {‘username‘:$(‘#username‘).val()};

   $.get(url,sendData,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>*/

/*<script>
  $(‘input[type=button]‘).click(function(){
   var url = ‘process.php‘;
   var sendData = {‘username‘:$(‘#username‘).val()};
   $.ajax({
    url: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>