$dirty( 表单有填写记录 )
$valid( 字段内容合法的 )
$invalid( 字段内容是非法的 )
$pristine( 表单没有填写记录 )
<!DOCTYPE html>
<html>
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
<body>
<h2>Validation Example</h2>
<form ?ng-app="myApp" ?ng-controller="validateCtrl"
name="myForm" novalidate>
<p>用户名:<br>
?<input type="text" name="user" ng-model="user" required>
?<span style="color:red" ng-show="myForm.user.$dirty && myForm.user.$invalid">
?<span ng-show="myForm.user.$error.required">用户名是必须的。</span>
?</span>
</p>
<p>邮箱:<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.$error.required">邮箱是必须的。</span>
?<span ng-show="myForm.email.$error.email">非法的邮箱。</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 = ‘john.doe@gmail.com‘;
});
</script>
</body>
</html>
AngularJS 输入验证
原文地址：https://www.cnblogs.com/xinweiqu/p/8241874.html