jquery中各个ajax实例操作
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>jquery_ajax.html</title>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
//jquery.ajax()
$("#button1").click(function(){
htmlOjbect = $.ajax({url:"/www.7789.com/testfile/test.php?c=3&t=5", async:false});//不要忘记{}
$("#getText1").html(htmlOjbect.responseText);
});
//ajaxSend()
$("#sendDiv").ajaxSend(function(e, xhr, opt){
$(this).html("正在请求……"+opt.url);//此处的url就是下面的load地址
});
$("#button2").click(function(){
$("#getText2").load("/www.7789.com/testfile/test.php?c=2&t=5");
});
//get()
$(".button3").click(function(){
$.get("/www.7789.com/testfile/test.php?c=5&t=5",function(result){
$(".getText3").html(result);
});
});
//get() method2
$(".button4").click(function(){
$.get("/www.7789.com/testfile/test.php",{c:'2', t:'0'},function(result){
$(".getText4").html(result);
});
});
//serializeArray()
$("#formButton").click(function(){
x = $("form").serializeArray();
$.each(x, function(i, field){
$("#results").append(field.name + ":" + field.value + "\t");//里面的name和value分别对应input标签
});
});
});
</script>
</head>
<body>
<div>
<button id="button1">ajax异步获取内容</button>
<div id="getText1"></div>
</div>
<div id="sendDiv">
<button id="button2">ajaxSend异步获取内容</button>
<div id="getText2"></div>
</div>
<div>
<button class="button3">get异步获取内容1</button>
<div class="getText3"></div>
</div>
<div>
<button class="button4">get异步获取内容2</button>
<div class="getText4"></div>
</div>
<div>
<form action="">
FirstName:<input type="text" name="firstName" value="Bill"/><br/>
LastName:<input type="text" name="lastName" value="Gates"/><br/>
</form>
<button type="button" id="formButton">序列号表单</button>
<div id="results" value="contents show..."></div>
</div>
<div>
<span id="evalText1"></span>
<span id="evalText2"></span>
</div>
<script type="text/javascript">
//function eval test
eval("x=10;y=20;document.write('x*y='+x*y);");
document.write("<br/>2+12="+eval("2+12"));
var x=10;
document.write("<br/>x+17="+eval(x+17));
//要注意txt里面的格式，很复杂的，最后还要少个‘才能正常运行
var txt = '{"employees": ['
+'{"firstName":"Bill","lastName":"Gates"},'
+'{"firstName":"George","lastName":"Bush"},'
+'{"firstName":"Thomas","lastName":"Yang"}]}';
var obj = eval("("+txt+")");
document.getElementById("evalText1").innerHTML = obj.employees[1].firstName;
document.getElementById("evalText2").innerHTML = obj.employees[1].lastName;
</script>
</body>
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