<?php    //echo Date(‘Y-m-d H:i:s‘);    print_r($_GET);    print_r($_POST);    /*if($_GET[‘name‘] == ‘xiaofei‘){        echo ‘小飞‘;    }*/    /*if($_POST[‘name‘] == ‘xiaofei‘){        echo ‘小飞‘;    }*/?>

//封装ajaxfunction ajax(obj){    var xhr = createXHR();    obj.url = obj.url + ‘?rand=‘ + Math.random();    obj.data = params(obj.data);    if(obj.method === ‘get‘)obj.url += obj.url.indexOf(‘?‘)==-1 ? ‘?‘ + obj.data :‘&‘ + obj.data;    if(obj.async === true){        xhr.onreadystatechange = function(){            if(xhr.readyState == 4){                if(xhr.status == 200){                    obj.success(xhr.responseText);            //回掉传递参数                }else{                    alert(‘获取数据错误！错误代号：‘+xhr.status+‘，错误信息：‘+xhr.statusText);                }            }        }    }        xhr.open(obj.method,obj.url,obj.async);    if(obj.method === ‘post‘){        xhr.setRequestHeader(‘Content-Type‘,‘application/x-www-form-urlencoded‘);        xhr.send(obj.data);    }else{        xhr.send(null);    }    if(obj.async === false){        if(xhr.status == 200){            obj.success(xhr.responseText);            //回掉传递参数        }else{            alert(‘获取数据错误！错误代号：‘+xhr.status+‘，错误信息：‘+xhr.statusText);        }    }}//调用ajaxaddEvent(document,‘click‘,function(){    ajax({        method : ‘post‘,        url : ‘demo.php‘,        data : {            ‘name‘ : ‘xiao&fei‘,            ‘age‘ : 100        },        success : function(text){            alert(text);        },        async : true    });});//创建xhrfunction createXHR(){    if(typeof XMLHttpRequest != ‘undefined‘){        return new XMLHttpRequest();    }else if(typeof ActiveXObject() != ‘undefined‘){        var version = [            ‘MSXML2.XMLHttp.6.0‘,            ‘MSXML2.XMLHttp.3.0‘,            ‘MSXML2.XMLHttp‘        ];        for(var i = 0; i < version.length; i ++){            try{                return new ActiveXObject(version[i]);            }catch(e){                //跳过            }        }    }else{        throw new Error(‘您的系统不支持xhr对象！‘);    }}//名值对转换成字符串function params(data){    var arr = [];    for(var i in data){        arr.push(encodeURIComponent(i) + ‘=‘ + encodeURIComponent(data[i]));    }    return arr.join(‘&‘);}//跨浏览器添加事件function addEvent(obj,type,fn){    if(obj.addEventListener){        obj.addEventListener(type,fn,false);    }else if(obj.attachEvent){        obj.attachEvent(‘on‘+type,fn);    }}