AngularJS如何實現點擊按鈕獲取驗證碼功能

這篇文章將為大家詳細講解有關AngularJS如何實現點擊按鈕獲取驗證碼功能，小編覺得挺實用的，因此分享給大家做個參考，希望大家閱讀完這篇文章后可以有所收獲。

 html :樣式采用了sui框架的樣式，請自行引入查看,AngularJS,自己引入，

<div ng-controller="forGetPassword" ng-app="routingDemoApp">
  <form novalidate name="forget">
    <header class="bar bar-nav">
      <a href="javascript:history.go(-1);" rel="external nofollow" class="ui-header-btn ui-header-btn-sm"></a>
      <h2 class='title'>忘記密碼</h2>
    </header>
    <div class="gorgetpassowrd">
      <ul>
        <li>
          <input type="number" placeholder="請輸入您的手機號碼" required ng-model="mobile" name="mobile" ng-pattern="/^1[3|4|5|7|8]{1}[0-9]{9}$/">
        </li>
        <div ng-show="forget.mobile.$dirty && !forget.mobile.invalid">
          <p class="textinfo" ng-show="forget.mobile.$error.required">手機號碼必填</p>
          <p class="textinfo" ng-show="forget.mobile.$error.pattern">手機號碼格式不正確</p>
        </div>
        <li>
          <input type="number" placeholder="驗證碼" name="code" ng-model="code" required ng-minlength="6" ng-maxlength="6">
          <a class="getCode paraclass" ng-click="getCode()" ng-bind="paracont" ng-disabled="paraevent"></a>
        </li>
        <div ng-show="forget.code.$dirty && !forget.code.invalid">
          <p class="textinfo" ng-show="forget.code.$error.required">驗證碼必填</p>
          <p class="textinfo" ng-show="forget.code.$error.minlength">驗證碼為6位數字</p>
          <p class="textinfo" ng-show="forget.code.$error.maxlength">驗證碼為6位數字</p>
        </div>
      </ul>
      <p class="textinfo" ng-bind="mobiletest"></p>
      <a class="button button-warning next-btn">下一步</a>
    </div>
  </form>
    <div class="changePwd">
      <form novalidate name="changePwd">
      <ul>
        <li>
          <input type="password" placeholder="請輸入新密碼" required ng-model="newPwd" name="newPwd" ng-pattern="/^[a-zA-Z0-9]{6,20}/">
        </li>
        <div ng-show="changePwd.newPwd.$dirty && !changePwd.newPwd.invalid">
          <p class="textinfo" ng-show="changePwd.newPwd.$error.required">密碼必須填</p>
          <p class="textinfo" ng-show="changePwd.newPwd.$error.pattern">密碼由8-20位數字和字母組成</p>
        </div>
        <li>
          <input type="password" placeholder="再次輸入新密碼" name="resetPwd" ng-model="resetPwd" >
        </li>
        <div ng-show="changePwd.newPwd.$valid">
          <p class="textinfo" ng-show="newPwd != resetPwd">兩次輸入的密碼不一致</p>
        </div>
      </ul>
      <a class="button button-warning next-btn">確認修改</a>
      </form>
    </div>
</div>
<script>
var myCtrl = angular.module('routingDemoApp', ['ngRoute','infinite-scroll'])
myCtrl.controller('forGetPassword',function($scope,$interval){
  $scope.paracont = "獲取驗證碼";
  $scope.paraclass = "but_null";
  $scope.paraevent = true;
  var second = null,timePromise = undefined;
  $scope.getCode =function(){
    var mobile = $scope.mobile;
    if(second === null){
      second = 60;
      if(mobile == undefined || mobile ==""){
        $scope.mobiletest = "請輸入手機號碼";
        return false;
      }else{
        $scope.mobiletest = "";
        timePromise = $interval(function(){
          if(second<=0){
            $interval.cancel(timePromise);
            timePromise = undefined;
            second = null;
            $scope.paracont = "重發驗證碼";
            $scope.paraclass = "but_null";
            $scope.paraevent = true;
          }else{
            $scope.paracont = second + "s";
            second--;
          }
        },1000,100);
      }
    }else{
      return false;
    }
  }
});
</script>

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