標籤：pps 模型 com log ext show cti .com control
AngularJS 輸入驗證<!DOCTYPE html><html><script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script><body><h2>Validation Example</h2><form ng-app="myApp" ng-controller="validateCtrl"name="myForm" novalidate><p>使用者名稱:<br> <input type="text" name="user" ng-model="user" required> <span style="color:red" ng-show="myForm.user.$dirty && myForm.user.$invalid"> <span ng-show="myForm.user.$error.required">使用者名稱是必須的。</span> </span></p><p>郵箱:<br> <input type="email" name="email" ng-model="email" required> <span style="color:red" ng-show="myForm.email.$dirty && myForm.email.$invalid"> <span ng-show="myForm.email.$error.required">郵箱是必須的。</span> <span ng-show="myForm.email.$error.email">非法的郵箱。</span> </span></p><p> <input type="submit" ng-disabled="myForm.user.$dirty && myForm.user.$invalid || myForm.email.$dirty && myForm.email.$invalid"></p></form><script>var app = angular.module(‘myApp‘, []);app.controller(‘validateCtrl‘, function($scope) { $scope.user = ‘John Doe‘; $scope.email = ‘[email protected]‘;});</script></body></html>執行個體解析
AngularJS ng-model 指令用於綁定輸入元素到模型中。
模型對象有兩個屬性： user 和 email。
我們使用了 ng-show指令， color:red 在郵件是 $dirty 或 $invalid 才顯示。
| 屬性 | 描述 |
|---|---|
| $dirty | 表單有填寫記錄 |
| $valid | 欄位內容合法的 |
| $invalid | 欄位內容是非法的 |
| $pristine | 表單沒有填寫記錄 |
AngularJS學習篇（十七）
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