jquery ajax的全局设置 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
</head>
<body>

<script>
    $.ajaxSettings.dataType = 'json';
    $.ajaxSettings.timeout = 2000;
    $.ajaxSettings.complete = function(xhr,status){
        console.log("complete",xhr,"->",status);
    }
    $.ajaxSettings.beforeSend = function(xhr,set){
        console.log("beforeSend",xhr,"->",set);
    }

    $.ajaxSettings.error = function(event, request, settings){
        if (request == 'timeout'){
            alert('请求超时，请稍后再试');
        }else{
            alert('请求异常，请稍后再试');
        }
    };
    var a=1;
    $.ajax({
        url:'a.php',
        data:'a='+a,
        success:function(res){
            if(res.status==1){
                $.ajax({
                    url:"b.php",
                    success:function(res1){
                        console.log('a',a);
                    }
                })
            }
        }
    });
</script>

</body>
</html>

 

posted @ 2017-09-24 22:18  H&K  阅读(1034)  评论(0)    收藏  举报