AngularJS验证在提交时显示验证消息
我正在动态添加字段,并希望对我添加的每个字段进行“必需”验证 问题是,在我提交之前,angular会验证这些字段AngularJS验证在提交时显示验证消息,angularjs,validation,Angularjs,Validation,我正在动态添加字段,并希望对我添加的每个字段进行“必需”验证 问题是,在我提交之前,angular会验证这些字段 <form name="outerForm"> <div ng-repeat="item in items"> <data-ng-form name="innerForm">
<form name="outerForm">
<div ng-repeat="item in items">
<data-ng-form name="innerForm">
<input type="text" placeholder="{{item.questionPlaceholder}}" name="fieldU" ng-model="item.question" required>
<span class="error" ng-show="innerForm.fieldU.$error.required">
Required!
</span>
<input type="text" name="userName" placeholder="enter text..." ng-model="item.text" required>
<span class="error" ng-show="innerForm.userName.$error.required">
Required!
</span>
</data-ng-form>
</div>
<input type="submit" ng-click="save(items)" ng-disabled="outerForm.$invalid" />
<button ng-click="add()">New Field</button>
</form>
必修的!
必修的!
新领域
这是小提琴
我只想在用户未向文本框添加任何内容时显示required msg,在他/她单击submit后,您可以创建一个
$scope.isSubmit
变量来检测表单是否已提交:
控制器:
var app = angular.module('myApp', []);
app.controller('myCtrl', function ($scope) {
$scope.save = function (question) {
$scope.isSubmit = true; // Will be true if the form has submitted
console.log(question)
}
$scope.items = [];
$scope.add = function () {
if ($scope.items.length >= 10) {
toastr.warning("Only 10 fields are allowed");
} else {
$scope.items.push({
//inlineChecked: false,
question: "",
questionPlaceholder: "foo",
text: ""
});
}
};
});
<div ng-app="myApp" ng-controller="myCtrl">
<form name="outerForm" novalidate>
<div ng-repeat="item in items">
<data-ng-form name="innerForm">
<input type="text" placeholder="{{item.questionPlaceholder}}" name="fieldU" ng-model="item.question" required> <span class="error" ng-show="innerForm.fieldU.$error.required && isSubmit">
Required!
</span>
<input type="text" name="userName" placeholder="enter text..." ng-model="item.text" required> <span class="error" ng-show="innerForm.userName.$error.required && isSubmit">
Required!
</span>
</data-ng-form>
</div>
<input type="submit" ng-click="save(items)" />
<button ng-click="add()">New Field</button>
</form>Items: {{items}}</div>
查看:
var app = angular.module('myApp', []);
app.controller('myCtrl', function ($scope) {
$scope.save = function (question) {
$scope.isSubmit = true; // Will be true if the form has submitted
console.log(question)
}
$scope.items = [];
$scope.add = function () {
if ($scope.items.length >= 10) {
toastr.warning("Only 10 fields are allowed");
} else {
$scope.items.push({
//inlineChecked: false,
question: "",
questionPlaceholder: "foo",
text: ""
});
}
};
});
<div ng-app="myApp" ng-controller="myCtrl">
<form name="outerForm" novalidate>
<div ng-repeat="item in items">
<data-ng-form name="innerForm">
<input type="text" placeholder="{{item.questionPlaceholder}}" name="fieldU" ng-model="item.question" required> <span class="error" ng-show="innerForm.fieldU.$error.required && isSubmit">
Required!
</span>
<input type="text" name="userName" placeholder="enter text..." ng-model="item.text" required> <span class="error" ng-show="innerForm.userName.$error.required && isSubmit">
Required!
</span>
</data-ng-form>
</div>
<input type="submit" ng-click="save(items)" />
<button ng-click="add()">New Field</button>
</form>Items: {{items}}</div>
必修的!
必修的!
新领域
项目:{{Items}
因此,我删除了按钮中的ng disable
,以便即使表单不正确,也可以单击提交按钮。此外,您应该将novalidate
添加到form
标记中,以禁用HTML5中的默认表单验证
这是完整的源代码。我想维护一个范围变量,它将跟踪表单是否提交 HTML
<div ng-app="myApp" ng-controller="myCtrl">
<form name="outerForm" ng-init="submitted=false" novalidate="">
<div ng-repeat="item in items">
<data-ng-form name="innerForm">
<input type="text" placeholder="{{item.questionPlaceholder}}" name="fieldU" ng-model="item.question" required/>
<span class="error" ng-show="$parent.submitted&& innerForm.fieldU.$error.required">
Required!
</span>
<input type="text" name="userName" placeholder="enter text..." ng-model="item.text" required/>
<span class="error" ng-show="$parent.submitted && innerForm.userName.$error.required">
Required!
</span>
</data-ng-form>
</div>
<input type="submit" ng-click="submitted=true;save(items)" ng-disabled="submitted && outerForm.$invalid" />
<button ng-click="add()">New Field</button>
</form>
Items: {{items}}
</div>
必修的!
必修的!
新领域
项目:{{Items}
这应该有帮助:首先,在表单上使用novalidate属性来防止默认的浏览器验证行为。