一个简单的ajax封装 

 1 var $ = {
 2     get: function(url,data,func){
 3         //创建对象
 4         var x = new XMLHttpRequest();
 5         //
 6         x.onreadystatechange = function(){
 7             if(x.readyState== 4 && x.status==200){
 8                 func(x.responseText);
 9             }
10         }
11         // {a:100,b:200} => a=100&b=200
12         //遍历for in
13         var str = ""
14         for(var i in data){
15             str += i+'='+data[i]+'&';
16         }
17  
18         x.open('GET',url+"?"+str,true);//1.php?a=100&b=200
19  
20         x.send();
21     },
22  
23     post:function(url,data,func){
24         //创建对象
25         var x = new XMLHttpRequest();
26         //
27         x.onreadystatechange = function(){
28             if(x.readyState== 4 && x.status==200){
29                 func(x.responseText);
30             }
31         }
32         //初始化
33         x.open('POST',url,true);
34  
35         //设置头信息
36         x.setRequestHeader('content-type','application/x-www-form-urlencoded');
37         //拼接参数字符串
38         var str = ""
39         for(var i in data){
40             str += i+'='+data[i]+'&';
41         }
42         //发送
43         x.send(str);
44  
45     }
46 };

 

 

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var $ = {
    get: function(url,data,func){
        //创建对象
        var x = new XMLHttpRequest();
        //
        x.onreadystatechange = function(){
            if(x.readyState== 4 && x.status==200){
                func(x.responseText);
            }
        }
        // {a:100,b:200} => a=100&b=200
        //遍历for in
        var str = ""
        for(var i in data){
            str += i+'='+data[i]+'&';
        }
 
        x.open('GET',url+"?"+str,true);//1.php?a=100&b=200
 
        x.send();
    },
 
    post:function(url,data,func){
        //创建对象
        var x = new XMLHttpRequest();
        //
        x.onreadystatechange = function(){
            if(x.readyState== 4 && x.status==200){
                func(x.responseText);
            }
        }
        //初始化
        x.open('POST',url,true);
 
        //设置头信息
        x.setRequestHeader('content-type','application/x-www-form-urlencoded');
        //拼接参数字符串
        var str = ""
        for(var i in data){
            str += i+'='+data[i]+'&';
        }
        //发送
        x.send(str);
 
    }
};
posted @ 2016-01-03 21:42  xiaoguoblog  阅读(306)  评论(0)    收藏  举报