<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<script src="http://localhost:81/js/jquery.js">
</script>
<script src="http://localhost:81/js/angular.min.js">
</script>
<body ng-app="app">
<div ng-controller="TestCtrl">
<div ng-form test>
<input ng-model="a" type="email" />
<button ng-click="do()">查看</button>
</div>
</div>
<script>
app = angular.module("app",[]);
app.directive(‘test‘,function() {
//form表单的指令都有一个默认的控制器作为第四个参数
var link = function($scope, $element, $attrs, $ctrl) {
$scope.do = function() {
//$ctrl.$setDirty();
console.log($ctrl.$pristine); //form是否没被动过
console.log($ctrl.$dirty); //form是否被动过
console.log($ctrl.$valid); //form是否被检验通过
console.log($ctrl.$invalid); //form是否有错误
console.log($ctrl.$error); //form中有错误的字段
}
}
return {
compile: function() {
return link
},
require: ‘form‘,
restrict: ‘A‘
}
});
app.controller(‘TestCtrl‘, function($scope){
//如果没有contrller，这东西还不会初始化..
});
</script>
</body>
</html>
原文：http://www.cnblogs.com/diligenceday/p/3659052.html