28

情况：

我在我的角度应用程序中使用ng-messages指令进行即时验证。一切正常，除了一件事：我需要验证“密码确认”字段并且不知道该怎么做。

编码：

<form name="autentication_form" novalidate="" ng-submit="submit_register()">

    <label class="item item-input">
        <span class="input-label">Email</span>
        <input type="text" name="email" ng-model="registerData.email" required>

        <div class="form-errors" ng-messages="autentication_form.email.$error" role="alert" ng-if='autentication_form.email.$dirty'>
            <div class="form-error" ng-message="required">You did not enter the email</div>
        </div>
    </label>

    <label class="item item-input">
        <span class="input-label">Password</span>
        <input type="password" name="password" ng-model="registerData.password" required>

        <div class="form-errors" ng-messages="autentication_form.password.$error" role="alert" ng-if='autentication_form.password.$dirty'>
            <div class="form-error" ng-message="required">Please enter the password</div>
        </div>
    </label>

    <label class="item item-input">
        <span class="input-label">Password confirmation</span>
        <input type="password" name="password_confirmation" ng-model="registerData.password_confirmation" required>

        <div class="form-errors" ng-messages="autentication_form.password_confirmation.$error" role="alert" ng-if='autentication_form.password_confirmation.$dirty'>
            <div class="form-error" ng-message="required">Password confirmation required</div>
        </div>
    </label>

</form>

问题：

如何使用 ng-messages 检查密码确认是否匹配？

4

6 回答 6

22

最简单的方法是使用模式。对我来说很好！

<input type="password" name="new_password1" ng-model="new_password1">

<input type="password" name="new_password2" ng-pattern="\b{{new_password1}}\b" ng-model="new_password2">
<div ng-messages="passwordForm.new_password2.$error">
    <div ng-message="pattern">Not equal!!!</div>
</div>
于 2015-12-23T08:02:54.090 回答
10

最好的方法是使用指令。这里的主要问题是密码和密码确认输入都需要注意。

这是可以提供帮助的解决方案

angular.module('app', ['ngMessages'])

.controller('ctrl', function($scope) {
  $scope.registerData = {};
})


.directive('confirmPwd', function($interpolate, $parse) {
  return {
    require: 'ngModel',
    link: function(scope, elem, attr, ngModelCtrl) {

      var pwdToMatch = $parse(attr.confirmPwd);
      var pwdFn = $interpolate(attr.confirmPwd)(scope);

      scope.$watch(pwdFn, function(newVal) {
          ngModelCtrl.$setValidity('password', ngModelCtrl.$viewValue == newVal);
      })

      ngModelCtrl.$validators.password = function(modelValue, viewValue) {
        var value = modelValue || viewValue;
        return value == pwdToMatch(scope);
      };

    }
  }
});
<html ng-app="app">

<head>
  <script data-require="angular.js@~1.4.3" data-semver="1.4.3" src="https://code.angularjs.org/1.4.3/angular.js"></script>
  <script data-require="angular-messages@1.4.3" data-semver="1.4.3" src="https://code.angularjs.org/1.4.3/angular-messages.js"></script>
  <script src="https://code.angularjs.org/1.3.15/angular.js"></script>
  <script src="script.js"></script>
</head>

<body ng-controller="ctrl">
  <form name="autentication_form" novalidate="" ng-submit="submit_register()">
    <label class="item item-input">
      <span class="input-label">Email</span>
      <input type="text" name="email" ng-model="registerData.email" required="" />
      <div class="form-errors" ng-messages="autentication_form.email.$error" ng-if='autentication_form.email.$touched'>
        <span class="form-error" ng-message="required">You did not enter the email</span>
      </div>
    </label>
    <label class="item item-input">
      <span class="input-label">Password</span>
      <input type="password" name="password" ng-model="registerData.password" required />
      <div class="form-errors" ng-messages="autentication_form.password.$error" ng-if='autentication_form.password.$touched'>
        <span class="form-error" ng-message="required">Please enter the password</span>
      </div>
    </label>
    <label class="item item-input">
      <span class="input-label">Password confirmation</span>
      <input type="password" name="password_confirmation" ng-model="registerData.password_confirmation" required="" confirm-pwd="registerData.password" />
      <div class="form-errors" ng-messages="autentication_form.password_confirmation.$error" ng-if='autentication_form.password_confirmation.$touched'>
        <span class="form-error" ng-message="required">Password confirmation required</span>
        <span class="form-error" ng-message="password">Password different</span>
      </div>
    </label>
  </form>
</body>

</html>

于 2015-07-28T10:19:33.873 回答
4

在开发的时候，你可能会面临需要创建自己的检查的事实，这会影响表单的有效性。如果这些检查很简单，例如比较两个值，最好使用通用指南，而不是针对每种情况编写自己的检查。查看use-form-error指令。

jsfiddle上的实时示例。

angular.module('ExampleApp', ['use', 'ngMessages'])
  .controller('ExampleController', function($scope) {

  });
.errors {
  color: maroon
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.9/angular.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.9/angular-messages.min.js"></script>
<script src="https://cdn.rawgit.com/Stepan-Kasyanenko/use-form-error/master/src/use-form-error.js"></script>

<div ng-app="ExampleApp">
  <div ng-controller="ExampleController">

    <form name="ExampleForm">
      <label>Password</label>
      <input ng-model="password" required />
      <br>
      <label>Confirm password</label>
      <input ng-model="confirmPassword" name="confirmPassword" use-form-error="isNotSame" use-error-expression="password && confirmPassword && password!=confirmPassword" required />
      <div ng-show="ExampleForm.$error.isNotSame" class="errors">Passwords Do Not Match!</div>
      <div ng-messages="ExampleForm.confirmPassword.$error" class="errors">
        <div ng-message="isNotSame">
          Passwords Do Not Match (from ng-message)!
        </div>
      </div>
    </form>

  </div>
</div>

于 2016-02-03T09:57:57.350 回答
1

这是我所做的（使用ng-pattern）：

<md-input-container class="md-block">
  <label>New Password</label>
  <input ng-model="user.password" name="password" type="password" required ng-pattern="'.{8,}'" />
  <div ng-messages="form.password.$error">
    <div ng-message="required">Password required.</div>
    <div ng-message="pattern">Password must be at least 8 characters.</div>
  </div>
</md-input-container>
<md-input-container class="md-block">
  <label>Confirm Password</label>
  <input ng-model="user.confirmPassword" name="confirmPassword" type="password" ng-pattern="user.password|escapeRegex" required />
  <div ng-messages="form.confirmPassword.$error">
    <div ng-message="required">Password confirmation required.</div>
    <div ng-message="pattern">Passwords do not match.</div>
  </div>
</md-input-container>

以下过滤器将ng-pattern正则表达式转换为文字：

module.filter('escapeRegex', function(){
  return function(str){
    return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
  }
});
于 2017-04-21T05:41:41.927 回答
1

ngMessage 通过添加 $error 来工作。message_field_name为表单对象中的 DOM 字段名称（当然在范围内）。所以如果你的 DOM 表单名称是autentication_form并且 DOM 字段名称是password_confirmation，你需要设置 $scope.autentication_form.password_confirmation.$error。nomatch（或您想要的任何 ngMessage 名称）为 true 以显示“不匹配”错误。

标记：

<input type="password" name="password_confirmation" ng-model="registerData.password_confirmation" required />

<div ng-messages="autentication_form.password_confirmation.$error">
                <div ng-message="required">Please repeat your password.</div>
                <div ng-message="nomatch">Doesn't match.</div>
            </div>
</div>

代码，没什么特别的，只看两个密码：

$scope.$watch("registerData.password + registerData.password_confirmation", function () {
            $scope.autentication_form.password_confirmation.$error.nomatch = $scope.registerData.password !== $scope.registerData.password_confirmation;
        });
于 2018-04-01T00:41:13.857 回答
-2

我只使用了 ionic(html) 验证。

新密码 需要新密码 

<label class="item item-input inputRadius">
<span class="input-label">Confirm Password</span>
<input type="password" placeholder="Confirm Password" ng-model="passwordUpdateInfo.confirmPassword" name="confirmPassword" required>
</label>
<div ng-show="passwordUpdateForm.$submitted || passwordUpdateForm.confirmPassword.$touched">
<div ng-show="passwordUpdateForm.confirmPassword.$error.required" class="errorMessage">Confirm Password is required</div>
</div>
<div ng-show="passwordUpdateInfo.confirmPassword.length > 0 && passwordUpdateInfo.confirmPassword != passwordUpdateInfo.newPassword">
    Password not match..(amar from india)
</div>
<button class="button button-positive button-block" ng-disabled="passwordUpdateInfo.confirmPassword.length > 0 && passwordUpdateInfo.confirmPassword != passwordUpdateInfo.newPassword">Update</button>
于 2016-01-17T12:54:36.313 回答