获取短信验证码js

$( ".form-data"). delegate( ".send", "click", function () {

         var phone = $( "#tel"). val();

         if (phone == "") {

             alert( '请先填写手机号')

             $( "#tel"). css( "background-color", "#ff2f28");

             return false;

         }

         $(this). hide();

         $. ajax({

             url: "/sendsms",

             type: "get",

             dataType: 'json',

             data: {phone: phone },

             async: false,

             success: function ( data) {

                 console. log(data)

                 if (data.status == 0) {

                     settime();

                 } else {

                     alert(data.msg)

                     settime();

                 }

             },

             error: function () {

                 alert( '网络忙');

                 settime();

             }

         });

     })

     var countdown = 120;

     function settime() {

         if (countdown == 0) {

             $( ".time"). attr( "class", "time hide");

             $( ".time"). text( "120s");

             $( ".send"). css( 'display', 'block');

             countdown = 120;

             return false;

         } else {

             $( ".time"). removeClass( 'hide');

             $( ".time"). text( "重新发送(" + countdown + "s)");

             countdown --;

         }

         setTimeout( function () {

             settime();

         }, 1000);

     }