Example analysis of mobile phone number query using jsonp cross-domain request data

Example analysis of mobile phone number query using jsonp cross-domain request data_jquery

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Release： 2016-05-16 15:26:04

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The example in this article describes the method of using jsonp cross-domain request data to implement mobile phone number query. Share it with everyone for your reference, the details are as follows:

Foreword

There are many open APIs on the Internet. When we obtain data locally through ajax, we will always encounter a problem, and that is cross-domain! If you don't use PHP, etc., how can you solve the cross-domain problem just through JS? Maybe jsonp is a good choice.

Knowledge preparation

The previous article "Let’s talk about JSON and JSONP, maybe you will suddenly understand " has already introduced jsonp in detail, so I won’t introduce it here. Let’s go directly to the example

Code:

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<meta name="author" content="@my_coder">
 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<title> 手机号查询 </title>
<style type="text/css">
html{color:#000;background:#fff;}
body,ul,li,input,h1,button,p{padding:0;margin:0;}
li{list-style:none;}
html{background:#F6F8FC;overflow:hidden;}
.outer{margin:0 auto;width:280px;position:relative;}
h1{font-size:20px;text-align:center;border-bottom:1px dotted #A3C4DB;padding:10px 0;}
p{font-size:14px;padding:14px 0 10px;}
input[type="text"]{width:200px;height:30px;font-size:18px;}
.button{display:inline-block;width:60px;font-size:16px;text-align:center;line-height:34px;background:linear-gradient(#fff,#ccc);border:1px solid #004;border-radius:3px;cursor:pointer;}
ul{padding-top:26px;}
li {font-size:18px;line-height:30px;}
.error{position:absolute;left:4px;top:80px;color:red;font-size:14px;display:none;}
</style>
</head>
<body>
  <h1>手机号码归属地查询</h1>
  <div class="outer">
    <p>请输入手机号码</p>
    <input type="text" >
    <span class="button">查询</span>
    <span class="error">号码有误 或 无数据</span>
    <ul>
      <li class="num">手机号码: <span></span></li>      
      <li class="province">归属省份: <span></span></li>
      <li class="operators">运 营 商: <span></span></li>
    </ul>
  </div>
<script type="text/javascript" src="jquery-1.8.0.min.js" ></script>
<script>
  var tel;
  var ajax=function(){
    //淘宝接口  
    $.ajax({
       type: "get",
       url: 'http://tcc.taobao.com/cc/json/mobile_tel_segment.htm&#63;tel='+tel,
       dataType: "jsonp",
       jsonp: "callback",
       success: function(data){
        console.log(data);
        $('.error').css('display','none');
        var province = data.province,
          operators = data.catName,
          num = data.telString;
        $('.num span').html(num);
        $('.province span').html(province);
        $('.operators span').html(operators);
       },
       error:function (){  
        $('li span').html('');
        $('.error').css('display','block');    
       }
     });
  }
  var reg = /^(13|15|18)[0-9]{9}$/;
  //点击查询
  $('.button').click(function(){
    tel=$('input[type=text]').val();
    if(tel){
      if(reg.test(tel)){
        ajax();
      }else{
        $('li span').html('');
        $('.error').css('display','block');  
      }
    }
  });
  //键盘事件
  $(window).keydown(function(event){
    tel=$('input[type=text]').val();
    if(event.keyCode==13) {
      if(tel){
        if(reg.test(tel)){
          ajax();
        }else{
          $('li span').html('');
          $('.error').css('display','block');  
        }
      }
    }
  });
</script>
</body>
</html>

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I hope this article will be helpful to everyone in jQuery programming.