[code]函数：$.ajax(properties) 功能：用一个http请求访问一个远程页面 返回：XMLHttpRequest 参数； (String)url请求地址， (String)type请求类型("GET","POST") (String)dataType:从服务器端返回的数据类型("xml","html","script","json") (Boolean)ifModified:根据Last-Modified header判断返回内容是否改变 (Number)timeout：请求超时 (Boolean)global:对此次请求是否引起全局的ajax事件出来，默认true (Function)error:错误处理函数 (Function)complete:请求完成后的处理函数 (Object|String)data:发送到服务器端的数据 (String) contentType ：默认"application/x-www-form-urlencoded" (Boolean) processData ：传输到服务器端的数据默认被转换到query string中以适合默认"application/x-www-form-urlencoded" 方式，如果你想以DOMDocuments方式传输数据，就将该选项设为false (Boolean)aysnc:是否异步传输，默认为true (Function)beforeSend:请求前响应函数 例子： Load and execute a JavaScript file. jQuery Code $.ajax({ type: "GET", url: "test.js", dataType: "script" }) Save some data to the server and notify the user once its complete. jQuery Code $.ajax({ type: "POST", url: "some.php", data: "name=John&location=Boston", success: function(msg){ alert( "Data Saved: " + msg ); } }); jQuery Code var html = $.ajax({ url: "some.php", async: false }).responseText; jQuery Code var xmlDocument = [create xml document]; $.ajax({ url: "page.php", processData: false, data: xmlDocument, success: handleResponse });[/code] [code]函数：$.ajaxSetup(settings),$.ajaxTimeout(time) 功能：设定请求的一些参数 返回:undefined 例子： $.ajaxSetup( { url: "/xmlhttp/", global: false, type: "POST" } ); $.ajaxTimeout( 5000 );[/code] [code]函数：$.get(url, params, callback),$.getIfModified(url, params, callback), $.getJSON(url, params, callback),$.getScript(url, callback) 功能：get方式提交数据 例子： $.get("test.cgi", { name: "John", time: "2pm" }, function(data){ alert("Data Loaded: " + data); } );[/code] [code]函数：$.post(url, params, callback) 功能：post方式提交数据 例子： $.post("test.cgi", { name: "John", time: "2pm" }, function(data){ alert("Data Loaded: " + data); } );[/code] [code]函数：ajaxComplete(callback),ajaxComplete(callback),ajaxSend(callback) ajaxStart(callback),ajaxStop(callback),ajaxSuccess(callback) 功能：XMLHttpRequest状态改变过程中各个响应处理函数 例子： $("#msg").ajaxComplete(function(request, settings){ $(this).append("

Request Complete.

"); }); $("#msg").ajaxSuccess(function(request, settings){ $(this).append("

Successful Request!

"); }); $("#loading").ajaxStop(function(){ $(this).hide(); }); $("#msg").ajaxSend(function(request, settings){ $(this).append("

Starting request at " + settings.url + "

"); });[/code] [code]函数：load(url, params, callback),loadIfModified(url, params, callback) 功能：加载html内容 返回：jQuery对象 参数：同get和post方式提交 例子： jQuery Code $("#feeds").load("feeds.html"); Before Result: jQuery Code $("#feeds").load("feeds.html", {limit: 25}, function() { alert("The last 25 entries in the feed have been loaded"); }[/code] [code]函数：serialize() 功能：将表单元素和值序列化成string 返回：String 例子： jQuery Code $("input[@type=text]").serialize(); Before

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