Javascript ng消息不起作用 您的用户名是必需的 var app=angular.module(“loginApp”,“ngMessages”); 应用控制器(“loginCtrl”,功能($scope){ $scope.username=“11”; $scope.password=“”; $scope.submitForm=function(){}; });
我试图使用ng消息对登录表单进行简单验证,如果用户名为空,将显示特定的div。但就是找不到上面代码的错误。有人能查一下密码吗?谢谢。您的Javascript ng消息不起作用 您的用户名是必需的 var app=angular.module(“loginApp”,“ngMessages”); 应用控制器(“loginCtrl”,功能($scope){ $scope.username=“11”; $scope.password=“”; $scope.submitForm=function(){}; });,javascript,angularjs,Javascript,Angularjs,我试图使用ng消息对登录表单进行简单验证,如果用户名为空,将显示特定的div。但就是找不到上面代码的错误。有人能查一下密码吗?谢谢。您的ng消息指令需要嵌套在表单标记中 <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" type
ng消息
指令需要嵌套在表单
标记中
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" type="text/css" href="login.css">
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.4.8/angular-messages.min.js"></script>
</head>
<body ng-app="loginApp">
<div class="container">
<div class="login_logo"></div>
</div>
<div class="form_container">
<div ng-messages="form_login.username.$error">
<div class="alertmsg" ng-message="required">Your username is required</div>
</div>
<div class="form_left">
<form class="form_login" name="form_login" ng-controller="loginCtrl" ng-submit="submitForm()" novalidate>
<div class="usr">
<input id="username" name="username" ng-model="username" type="text" autofocus="autofocus" required />
</div>
<div class="psw">
<input id="password" name="password" ng-model="password" type="password" required />
</div>
</form>
</div>
<div class="form_right">
<a class="submit" href="" ng-click="submitForm()"></a>
</div>
<div class="clear"></div>
</div>
<script type="text/javascript">
var app = angular.module("loginApp", ["ngMessages"]);
app.controller("loginCtrl", function($scope) {
$scope.username = "11";
$scope.password = "";
$scope.submitForm = function() {};
});
</script>
</body>
</html>
您的用户名是必需的
检查和验证表单的一种简单方法是转储表单对象,这样您就可以准确地看到不同角度验证属性的情况
<div class="form_left">
<form class="form_login" name="form_login"
ng-controller="loginCtrl" ng-submit="submitForm()" novalidate>
<div class="usr">
<input id="username"
name="username"
ng-model="username"
type="text" autofocus="autofocus" required />
</div>
<div class="psw">
<input id="password"
name="password"
ng-model="password"
type="password" required />
</div>
<div ng-messages="form_login.username.$error">
<div class="alertmsg" ng-message="required">
Your username is required
</div>
</div>
</form>
</div>
......
{{form_login}
解决此问题有两种选择。一个选项是在表单中放置ng消息指令。这是因为您在表单\u login中定义了loginCtrl的作用域。但如果不想移动该指令,则必须将ng控制器从
移动到
。下面的代码段显示了第二个选项
<div class="form_left">
<form class="form_login" name="form_login"
ng-controller="loginCtrl" ng-submit="submitForm()" novalidate>
......
{{form_login}}
</form>
</div>
您的用户名是必需的
请注意,您正在验证用户名输入,它有一个值。非常感谢,对于第二个解决方案,我确实需要更改布局谢谢您的回答!
<div class="form_container" ng-controller="loginCtrl">
<div ng-messages="form_login.username.$error">
<div class="alertmsg" ng-message="required">Your username is required</div>
</div>
<div class="form_left">
<form class="form_login" name="form_login" ng-submit="submitForm()" novalidate>
<div class="usr">
<input id="username" name="username" ng-model="username" type="text" autofocus="autofocus" required />
</div>
<div class="psw">
<input id="password" name="password" ng-model="password" type="password" required />
</div>
</form>
</div>
<div class="form_right">
<a class="submit" href="" ng-click="submitForm()"> click</a>
</div>
<div class="clear"></div>
</div>