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我有2个字段。我试图验证field 2与field1不一样。我使用了一个指令跨输入的角度自定义表单验证
它的工作原理,但我的问题是围绕增强一点。只有在字段2中输入数据时才起作用。在字段1中更改数据时它不起作用。换句话说,如果字段1是“Babbalas”并且您在字段2中键入“Babbalas”,它会正确显示我的验证消息。如果您更改了字段2,则会正确进行验证(因为现在字段不一样)。但是,如果你去改变域1,它不会改变域2上的验证信息,是否有办法实现这一点。
我有我做了什么
http://plnkr.co/edit/OcwyoXwjcbVmTYuKN5hT?p=preview
这里Plunker是我的index.html
<!DOCTYPE html>
<html ng-app="angularjs-starter">
<head lang="en">
<meta charset="utf-8">
<title>Custom Plunker</title>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.3/angular.min.js"></script>
<link rel="stylesheet" href="style.css">
<script>
document.write('<base href="' + document.location + '" />');
</script>
<script src="app.js"></script>
</head>
<body ng-controller="MainCtrl">
<form name="myForm" ng-submit="doSomething()">
<div>
<input type="text" name="item1" ng-model="data.item1" required/>
<span class="invalid" ng-show="myForm.item1.$error.required">required</span>
<br/>
</div>
<div>
<input type="text" name="item2" ng-model="data.item2" validate-item2 required/>
<span class="invalid" ng-show="myForm.item2.$error.validateItem2">
Cannot be the same as item1</span>
<span class="invalid" ng-show="myForm.item2.$error.required">required</span>
<br/>
</div>
<button type="submit" ng-disabled="myForm.$invalid">Submit</button>
</form>
</body>
</html>
和我的JS文件
var app = angular.module('angularjs-starter', []);
app.controller('MainCtrl', function($scope) {
$scope.doSomething = function() {
alert('Submitted!');
}
});
app.directive('validateItem2', function(){
return {
require: 'ngModel',
link: function(scope, elem, attr, ngModel) {
ngModel.$parsers.unshift(function(value) {
var valid = value != scope.data.item1;
ngModel.$setValidity('validateItem2', valid);
return valid ? value : undefined;
});
}
};
});