angularjs使用ng-messages的注册表单实例

<!DOCTYPE html>
<html lang="zh-CN" ng-app="app">
<head>
    <meta charset="utf-8">
    <title>注册</title>
    <link rel="stylesheet" href="../bootstrap.min.css">
</head>
<body>
    <form name="signup_form" novalidate ng-submit="signupForm()" ng-controller="signupController">
        <fieldset>
            <legend>Signup</legend>
            <div class="row">
                <div class="col-xs-12">
                    <label>Your name</label>
                    <input type="email" 
                        placeholder="Name" 
                        name="name" 
                        ng-model="signup.name"
                        ng-minlength="3"
                        ng-maxlength="20"
                        required>
                    <div class="error" ng-messages="signup_form.name.$error" ng-messages-multiple><!--注意这里的 message‘s’ 和 message‘’ -->
                        <small ng-message="required">必填</small>
                        <small ng-message="email">邮箱不正确</small><!-- ng-messages-multiple 如果有多个规则同时不匹配 则同时出现多个错误提示 -->
                        <small ng-message="minlength">不能小于3位</small>
                        <small ng-message="maxlength">不能大于20位</small>
                    </div>
                </div>
            </div>
            <button type="submit" class="btn btn-default">Submit</button>
        </fieldset>
    </form>
    <script src="../angular.min.js"></script>
    <script src="angular-messages.min.js"></script>
    <script>
        angular.module('app', ['ngMessages'])
        .controller('signupController', function($scope) {
            
        })
    </script>
</body>
</html>

ngMessages仅支持angularjs v1.3+

引用ngMessages的步骤说明:

1.下载ngMessages模块 npm install angular-messages
2.引入js<script src="angular-messages.js"></script>
3.依赖注入angular.module('myApp', ['ngMessages']);

原文地址:https://www.cnblogs.com/BGOnline/p/5951539.html