$.ajax({
    url:‘/comm/test1.php‘,
    type:‘POST‘,           //GET
    async:true,            //或false,是否异步
    data:{
        name:‘yang‘,age:25
    },
    timeout:5000,           //超时时间
    dataType:‘json‘,         //返回的数据格式:json/xml/html/script/jsonp/text
    beforeSend:function(xhr){
        console.log(xhr)
        console.log(‘发送前‘)
    },
    success:function(data,textStatus,jqXHR){
        console.log(data)
        console.log(textStatus)
        console.log(jqXHR)
    },
    error:function(xhr,textStatus){
        console.log(‘错误‘)
        console.log(xhr)
        console.log(textStatus)
    },
    complete:function(){
        console.log(‘结束‘)
    }
})
原文:http://www.cnblogs.com/zcboy/p/7109563.html