AngularJS自动表单验证
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2023-09-06 09:43:39
angularjs的另外一种表单验证方式是自动验证,即通过directive来实现,除了angularjs自带的directive,还需要用到angular-auto-va...
angularjs的另外一种表单验证方式是自动验证,即通过directive来实现,除了angularjs自带的directive,还需要用到angular-auto-validate这个第三方module。
有关angular-auto-validate:
- 安装:npm i angular-auto-validate
- 引用:<script src="../node_modules/angular-auto-validate/dist/jcs-auto-validate.min.js"></script>
- module依赖:var myapp = angular.module("app", ["jcs-autovalidate"]);
为了实现错误信息本地化,还需要angular-localize这个第三方module:
- 安装:npm install angular-localize --save
- module依赖:var myapp = angular.module("app", ["localize"]);
- 引用:
<script src="../node_modules/angular-sanitize/angular-sanitize.min.js"></script> <script src="../node_modules/angular-localize/angular-localize.min.js"></script>
此外,当点击提交表单按钮,需要禁用按钮并显示一种等待效果,需要用到angular-ladda这个第三方module:
- 安装:bower install angular-ladda --save
- module依赖:var myapp = angular.module("app", ["angular-ladda"]);
-
引用:
<link rel="stylesheet" href="../bower_components/ladda/dist/ladda-themeless.min.css"/> <script src="../bower_components/ladda/dist/spin.min.js"></script> <script src="../bower_components/ladda/dist/ladda.min.js"></script> <script src="../bower_components/angular-ladda/dist/angular-ladda.min.js"></script>
页面如下:
<html> <head> <meta charset="gb2312"> <title></title> <link rel="stylesheet" href="../node_modules/bootstrap/dist/css/bootstrap.min.css"/> <link rel="stylesheet" href="../bower_components/ladda/dist/ladda-themeless.min.css"/> <link rel="stylesheet" href="../css/main.css"/> </head> <body> <nav class="navbar navbar-inverse navbar-fixed-top"> <div class="container"> <div class="navbar-header"> <a href="/" class="navbar-brand">form validating auto</a> </div> </div> </nav> <div class="container main-content" ng-controller="myctrl1"> <!--novalidate让表单不要使用html验证--> <!--theform变成scope的一个字段--> <form ng-submit="onsubmit()" novalidate="novalidate"> <div class="form-group"> <label for="name" class="control-label">name</label> <input type="text" class="form-control" id="name" ng-model="formmodel.name" required="required"/> </div> <div class="form-group"> <label for="email" class="control-label">email</label> <input type="email" class="form-control" id="email" ng-model="formmodel.email" required="required"/> </div> <div class="form-group"> <label for="username" class="control-label">username</label> <input type="text" class="form-control" id="username" ng-model="formmodel.username" required="required" ng-pattern="/^[a-za-z0-9_]{1,32}$/" ng-minlength="7" ng-pattern-err-type="badusername" /> </div> <div class="form-group"> <label for="age" class="control-label">age</label> <input type="number" class="form-control" id="age" ng-model="formmodel.age" required="required" min="18" max="65" ng-min-err-type="tooyoung" ng-max-err-type="tooold" /> </div> <div class="form-group"> <label for="sex" class="control-label">sex</label> <select name="sex" id="sex" class="form-control" ng-model="formmodel.sex" required="required"> <option value="">please choose</option> <option value="male">mail</option> <option value="femail">femail</option> </select> </div> <div class="form-group"> <label for="password" class="control-label">password</label> <input type="text" class="form-control" id="password" ng-model="formmodel.password" required="required" ng-minlength="6"/> </div> <div class="form-group"> <!--<button class="btn btn-primary" ng-click="onsubmit()">register</button>--> <button class="btn btn-primary" ladda = "submitting" data-style="expand-right" type="submit"> <span ng-show="submitting">正在注册...</span> <span ng-show="!submitting">注册</span> </button> </div> <pre> {{formmodel | json}} </pre> </form> </div> <script src="../node_modules/angular/angular.min.js"></script> <script src="form_validation_auto.js"></script> <script src="../node_modules/angular-auto-validate/dist/jcs-auto-validate.min.js"></script> <script src="../node_modules/angular-sanitize/angular-sanitize.min.js"></script> <script src="../node_modules/angular-localize/angular-localize.min.js"></script> <script src="../bower_components/ladda/dist/spin.min.js"></script> <script src="../bower_components/ladda/dist/ladda.min.js"></script> <script src="../bower_components/angular-ladda/dist/angular-ladda.min.js"></script> </body> </html>
先看提交按钮:
<div class="form-group"> <!--<button class="btn btn-primary" ng-click="onsubmit()">register</button>--> <button class="btn btn-primary" ladda = "submitting" data-style="expand-right" type="submit"> <span ng-show="submitting">正在注册...</span> <span ng-show="!submitting">注册</span> </button> </div>
- ladda属性值为bool值,true表示显示动态等待效果,false不显示动态等待效果,这里的submitting是scope中的一个属性
- data-style="expand-right"表示在按钮的右侧显示动态等待效果
再拿表单中的age字段来说:
<div class="form-group"> <label for="age" class="control-label">age</label> <input type="number" class="form-control" id="age" ng-model="formmodel.age" required="required" min="18" max="65" ng-min-err-type="tooyoung" ng-max-err-type="tooold" /> </div>
其中,min, max为agularjs的directive,而ng-min-err-type是angular-auto-validate的directive。这里遵循的惯例是ng-angularjs表单验证的directive名称-err-type,而tooyoung和tooold的作用是什么,又是在哪里用上了呢?
是在module层面用上了,定义在了form_validation_auto.js文件中。
var myapp1 = angular.module('myapp1',['jcs-autovalidate','localize','angular-ladda']); myapp1.run(function(defaulterrormessageresolver){ defaulterrormessageresolver.geterrormessages().then(function(errormessages){ errormessages['tooyoung'] = '年龄必须小于{0}'; errormessages['tooold'] = '年龄不能大于{0}'; errormessages['badusername'] = '用户名只能包含数字、字母或下划线'; }); }); myapp1.controller('myctrl1', function($scope, $http){ $scope.formmodel = {}; $scope.submitting = false; $scope.onsubmit = function(){ $scope.submitting = true; console.log('已提交'); console.log($scope.formmodel); $http.post('url',$scope.formmodel) .success(function(data){ console.log(':)'); $scope.submitting = false; }) .error(function(data){ console.log(':('); $scope.submitting = false; }); }; });
以上就是本文的全部内容,希望对angularjs手动表单验证能够熟练操作。
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