AngularJS验证问题
AngularJS Validation trouble
我有一个表单似乎在大多数情况下工作得很好。然而,我的选择是玩了一点,我似乎不能提交表单。我的表单看起来像
<form ng-submit="submit(emailform)" name="emailform" method="post" action="" class="form-horizontal emailType" role="form">
<div class="form-group" ng-class="{ 'has-error': emailform.inputTitle.$invalid && submitted }">
<label for="inputTitle" class="col-lg-4 control-label">Title</label>
<div class="col-lg-8">
<select ng-model="formData.inputTitle" data-ng-options="title for title in titles" id="inputTitle" required>
<option value="">Please select</option>
</select>
</div>
</div>
<div class="form-group" ng-class="{ 'has-error': emailform.inputName.$invalid && submitted }">
<label for="inputName" class="col-lg-4 control-label">First Name(s)</label>
<div class="col-lg-8">
<input ng-model="formData.inputName" type="text" class="form-control" id="inputName" name="inputName" placeholder="First Name(s)" required>
</div>
</div>
<div class="form-group" ng-class="{ 'has-error': emailform.inputLinks.$invalid && submitted }">
<label for="inputLinks" class="col-lg-4 control-label">Link to be sent</label>
<div class="col-lg-8">
<select ng-model="formData.inputLinks" data-ng-options="link for link in links" id="inputLinks" required>
<option value="">Please select</option>
</select>
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-2 col-lg-10">
<button type="submit" class="btn btn-default" ng-disabled="submitButtonDisabled">
Send Message
</button>
</div>
</div>
</form>
<p ng-class="result" style="padding: 15px; margin: 0;">{{ resultMessage }}</p>
一个简单的表单,有两个选择和一个输入。我的控制器看起来像下面的
'use strict';
/* Controllers */
function EmailViewCtrl($scope, $http) {
$scope.titles =
[
"Mr",
"Mrs",
"Miss",
"Ms",
"Dr"
];
$scope.links =
[
"email1",
"email2",
"email3",
"email4",
"email5"
];
$scope.result = 'hidden'
$scope.resultMessage;
$scope.formData; //formData is an object holding the name, email, subject, and message
$scope.submitButtonDisabled = false;
$scope.submitted = false; //used so that form errors are shown only after the form has been submitted
$scope.submit = function(emailform) {
$scope.submitted = true;
$scope.submitButtonDisabled = true;
if (emailform.$valid) {
$http({
method : 'POST',
url : 'backend/email.php',
data : $.param($scope.formData), //param method from jQuery
headers : { 'Content-Type': 'application/x-www-form-urlencoded' } //set the headers so angular passing info as form data (not request payload)
}).success(function(data){
console.log(data);
if (data.success) { //success comes from the return json object
$scope.submitButtonDisabled = true;
$scope.resultMessage = data.message;
$scope.result='bg-success';
} else {
$scope.submitButtonDisabled = false;
$scope.resultMessage = data.message;
$scope.result='bg-danger';
}
});
} else {
$scope.submitButtonDisabled = false;
$scope.resultMessage = 'Failed <img src="http://www.chaosm.net/blog/wp-includes/images/smilies/icon_sad.gif" alt=":(" class="wp-smiley"> Please fill out all the fields.';
$scope.result='bg-danger';
}
}
}
EmailViewCtrl.$inject = ['$scope', '$http'];
现在的问题是,我的选择在他们的默认选项(请选择)有一个红色边框周围的页面加载。显然,在他们提交表单时没有选择选项之前,这应该不会出现。
其次,如果我向表单提供有效数据,提交按钮似乎不会激活。我怎样才能使它激活?
最后,此刻,一切都在一个控制器中。我是否应该将像选择值这样的东西移动到它们自己的控制器中?实现这一点的最佳方法是什么?
谢谢
您可以使用form.input。$dirty检查输入是否被触摸,只有在这种情况下才显示验证错误。
ng-class="{ 'has-error': emailform.inputName.$invalid && emailform.inputName.$dirty }"
请参阅下面的示例,以获取代码的工作副本:
var app = angular.module("app", []);
app.controller("EmailViewCtrl", function EmailViewCtrl($scope, $http) {
$scope.titles = [
"Mr",
"Mrs",
"Miss",
"Ms",
"Dr"
];
$scope.links = [
"email1",
"email2",
"email3",
"email4",
"email5"
];
$scope.result = 'hidden'
$scope.resultMessage;
$scope.formData; //formData is an object holding the name, email, subject, and message
$scope.submitButtonDisabled = false;
$scope.submitted = false; //used so that form errors are shown only after the form has been submitted
$scope.submit = function(emailform) {
$scope.submitted = true;
$scope.submitButtonDisabled = true;
if (emailform.$valid) {
alert("POST!");
} else {
$scope.submitButtonDisabled = false;
$scope.resultMessage = 'Failed <img src="http://www.chaosm.net/blog/wp-includes/images/smilies/icon_sad.gif" alt=":(" class="wp-smiley"> Please fill out all the fields.';
$scope.result = 'bg-danger';
}
}
});
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="app" ng-controller="EmailViewCtrl">
<form ng-submit="submit(emailform)" name="emailform" method="post" action="" class="form-horizontal emailType" role="form">
<div class="form-group" ng-class="{ 'has-error': emailform.inputTitle.$invalid && emailform.inputTitle.$dirty }">
<label for="inputTitle" class="col-lg-4 control-label">Title</label>
<div class="col-lg-8">
<select class="form-control" ng-model="formData.inputTitle" data-ng-options="title for title in titles" id="inputTitle" required>
<option value="">Please select</option>
</select>
</div>
</div>
<div class="form-group" ng-class="{ 'has-error': emailform.inputName.$invalid && emailform.inputName.$dirty }">
<label for="inputName" class="col-lg-4 control-label">First Name(s)</label>
<div class="col-lg-8">
<input ng-model="formData.inputName" type="text" class="form-control" id="inputName" name="inputName" placeholder="First Name(s)" required>
</div>
</div>
<div class="form-group" ng-class="{ 'has-error': emailform.inputLinks.$invalid && emailform.inputLinks.$dirty }">
<label for="inputLinks" class="col-lg-4 control-label">Link to be sent</label>
<div class="col-lg-8">
<select class="form-control" ng-model="formData.inputLinks" data-ng-options="link for link in links" id="inputLinks" required>
<option value="">Please select</option>
</select>
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-2 col-lg-10">
<button type="submit" class="btn btn-default" ng-disabled="submitButtonDisabled">
Send Message
</button>
</div>
</div>
</form>
<p ng-class="result" style="padding: 15px; margin: 0;">{{ resultMessage }}</p>
</div>
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