angularjs 表單密碼驗證自訂指令實現代碼_AngularJS

html代碼

<form name="form">    <input type="password" name="password" ng-model="password" required placeholder="請輸入密碼">    <input type="password" name="passwordConfirm" ng-model="passwordConfirm" equal-to="password" placeholder="請再次輸入密碼">    <span ng-show="form.passwordConfirm.$error.equalTo">兩次密碼不一致</span>  </form>

js

angular.module("Valid",[]).directive("equalTo", function () {  return {    require: "ngModel",    link: function (scope, ele, attrs, ctrl) {      console.log(scope);//列印當前範圍      console.log(attrs);//列印當前標籤屬性列表      console.log(ctrl);//列印當前ctrl      var target = attrs["equalTo"];//擷取自訂指令屬性索引值      if (target) {//判斷鍵是否存在        scope.$watch(target, function () {//存在啟動監聽其值          ctrl.$validate()//每次改變手動調用驗證        })         // 擷取當前模型控制器的父控制器FormController        var targetCtrl = ctrl.$$parentForm[target];//擷取指定模型控制器        console.log(targetCtrl)        ctrl.$validators.equalTo = function (modelValue, viewVale) {//自訂驗證器內容                    var targetValue = targetCtrl.$viewValue;//擷取password的輸入值          return targetValue == viewVale;//是否等於passwordConfirm的值        }        ctrl.$formatters.push(function (value) {          console.log("進行中資料格式化的值:",value)          return value;        })        ctrl.$parsers.push(function (value) {          console.log("進行中資料轉換的值:",value)          return value;        })      }    }  }})

示範地址：https://tianyouh.github.io/angularPasswordConfirm/