這篇文章主要介紹了AngularJS手動(dòng)表單驗(yàn)證的相關(guān)資料，AngularJS的表單驗(yàn)證大致有兩種，一種是手動(dòng)驗(yàn)證，一種是自動(dòng)驗(yàn)證，本文重點(diǎn)介紹AngularJS手動(dòng)表單驗(yàn)證，感興趣的小伙伴們可以參考一下

所謂手動(dòng)驗(yàn)證是通過AngularJS表單的屬性來驗(yàn)證，而成為AngularJS表單必須滿足兩個(gè)條件：

1、給form元素加上novalidate="novalidate"；

2、給form元素加上name="theForm"，

如下：

<!DOCTYPE html>
<html lang="en" ng-app="myApp1">
<head>
 <meta charset="UTF-8">
 <title></title>
 <link rel="stylesheet" href="../node_modules/bootstrap/dist/css/bootstrap.min.css"/>
 <link rel="stylesheet" href="../css/main.css"/>
</head>
<body>
<nav class="navbar navbar-inverse navbar-fixed-top">
 <div class="container">
 <div class="navbar-header">
  <a href="/" class="navbar-brand">Form Submitting</a>
 </div>
 </div>
</nav>

<div class="container main-content" ng-controller="myCtrl1">
 <!--novalidate讓表單不要使用html驗(yàn)證-->
 <!--theForm變成scope的一個(gè)字段-->
 <form ng-submit="onSubmit(theForm.$valid)" novalidate="novalidate" name="theForm">
 <div class="form-group">
  <label for="name">Name</label>
  <input type="text" class="form-control" id="name" ng-model="formModel.name"/>
 </div>

 <div class="form-group" ng-class="{
  'has-error': !theForm.email.$valid && (!theForm.$pristine || theForm.$submitted),
  'has-success': theForm.email.$valid && (!theForm.$pristine || theForm.$submitted)
  }">
  <label for="email">Email</label>
  <input type="email" class="form-control" id="email" ng-model="formModel.email" required="required" name="email"/>
  <p class="help-block" ng-show="theForm.email.$error.required && (!theForm.$pristine || theForm.$submitted)">必填</p>
  <p class="help-block" ng-show="theForm.email.$error.email && (!theForm.$pristine || theForm.$submitted)">email格式不正確</p>
 </div>

 <div class="form-group">
  <label for="username">Username</label>
  <input type="text" class="form-control" id="username" ng-model="formModel.username"/>
 </div>

 <div class="form-group">
  <label for="age">Age</label>
  <input type="number" class="form-control" id="age" ng-model="formModel.age"/>
 </div>

 <div class="form-group">
  <label for="sex">Sex</label>
  <select name="sex" id="sex" class="form-control" ng-model="formModel.sex">
  <option value="">Please choose</option>
  <option value="male">Mail</option>
  <option value="femail">Femail</option>
  </select>
 </div>

 <div class="form-group">
  <label for="password">Password</label>
  <input type="text" class="form-control" id="password" ng-model="formModel.password"/>
 </div>

 <div class="form-group">
  <button class="btn btn-primary" type="submit">Register</button>
 </div>

  <pre>
  {{theForm | json}}
  </pre>
 </form>
</div>
<script src="../node_modules/angular/angular.min.js"></script>
<script src="second.js"></script>
</body>
</html>

● 給form加上novalidate="novalidate"意味著表單將不再使用HTML5驗(yàn)證特性
● 給form加上name="theForm"意味著表單的名稱是theForm。如何使用theForm,比如我們驗(yàn)證表單是否被修改過theForm.$submitted
● 通過ng-submit提交表單
● formModel是$scope中的一個(gè)屬性
● 對(duì)表單的Email進(jìn)行了手動(dòng)驗(yàn)證，使用了AngularJS表單的眾多屬性，比如theForm.email.$valid，theForm.$pristine，theForm.$submitted， theForm.email.$error.required，theForm.email.$error.email
● 通過<pre>{{theForm | json}}</pre>把AngularJS表單的所有屬性都打印出來

{
 "$error": {
 "required": [
  {
  "$validators": {},
  "$asyncValidators": {},
  "$parsers": [],
  "$formatters": [
   null
  ],
  "$viewChangeListeners": [],
  "$untouched": true,
  "$touched": false,
  "$pristine": true,
  "$dirty": false,
  "$valid": false,
  "$invalid": true,
  "$error": {
   "required": true
  },
  "$name": "email",
  "$options": null
  }
 ]
 },
 "$name": "theForm",
 "$dirty": false,
 "$pristine": true,
 "$valid": false,
 "$invalid": true,
 "$submitted": false,
 "email": {
 "$validators": {},
 "$asyncValidators": {},
 "$parsers": [],
 "$formatters": [
  null
 ],
 "$viewChangeListeners": [],
 "$untouched": true,
 "$touched": false,
 "$pristine": true,
 "$dirty": false,
 "$valid": false,
 "$invalid": true,
 "$error": {
  "required": true
 },
 "$name": "email",
 "$options": null
 },
 "sex": {
 "$validators": {},
 "$asyncValidators": {},
 "$parsers": [],
 "$formatters": [],
 "$viewChangeListeners": [],
 "$untouched": true,
 "$touched": false,
 "$pristine": true,
 "$dirty": false,
 "$valid": true,
 "$invalid": false,
 "$error": {},
 "$name": "sex",
 "$options": null
 }
}

以上，凡是有name屬性的input都被顯示在上面。

在second.js文件中定義了module,controller以及提交表單的方法。

var myApp1 = angular.module('myApp1',[]);

myApp1.controller('myCtrl1', function($scope, $http){
 $scope.formModel = {};

 $scope.onSubmit = function(){
  $http.post('someurl',$scope.formModel)
   .success(function(data){
    console.log(':)');
   })
   .error(function(data){
    console.log(':(');
   });

  console.log($scope.formModel);
 };
});

以上的表單驗(yàn)證方式好處是可控性強(qiáng)，但相對(duì)繁瑣。

以上就是本文的全部?jī)?nèi)容，希望對(duì)AngularJS手動(dòng)表單驗(yàn)證能夠熟練操作。

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