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Angualrjs 表单验证的两种方式(失去焦点验证和点击提交验证)

更新时间:2020-05-11 02:36:01 作者:startmvc
AngularJS提供了表单验证,但是验证的过程交互体验很不好,比如重设密码,重复密码的时候

AngularJS提供了表单验证,但是验证的过程交互体验很不好,比如重设密码,重复密码的时候一键入就会提示密码不正确,现整理了两种方法,仅供借鉴。

一,点击提交验证


<form action="" class="form-horizontal col-md-9" name="reset_pwd" ng-submit="resetPwd()">
 <div class="form-group">
 <label class="col-sm-2 control-label">密码</label>
 <div class="col-sm-8">
 <input type="password" name="mycompwd" class="form-control" ng-model="mycompwd" placeholder="请输入密码">
 </div>
 </div>
 <div class="form-group">
 <label class="col-sm-2 control-label">重复密码</label>
 <div class="col-sm-8">
 <input type="password" name="resetmycompwd" class="form-control" ng-model="resetmycompwd" placeholder="再次输入密码" required>
 </div>
 <span style="color:red" ng-show="mycompwd!=resetmycompwd && reset_pwd.resetmycompwd.$dirty && reset_pwd.submitted
 ">密码不一致</span>
 </div>
 <div class="form-group">
 <button type="submit" class="btn btn-primary" >确认</button>
 <button type="button" class="btn btn-default" ng-click="resetpwd_cancle()">取消</button>
 </div>
</form>

当用户试图提交表单时,你可以在作用域中捕获到一个submitted值,然后对表单内容进行验证并显示错误信息。

JS代码


$scope.submitted = false;
$scope.resetPwd = function(){
 console.log(666);
 if($scope.reset_pwd.$valid && $scope.mycompwd == $scope.resetmycompwd){
 console.log('重置成功,进行其他操作');
 }else{
 $scope.reset_pwd.submitted = true;
 }
}

亲测可用。

第二种失去焦点验证


<form action="" class="form-horizontal col-md-9" name="reset_pwd" ng-submit="resetPwd()">
 <div class="form-group">
 <label class="col-sm-2 control-label">密  码</label>
 <div class="col-sm-8">
 <input type="password" name="mycompwd" class="form-control" ng-model="mycompwd" placeholder="请输入密码">
 </div>
 </div>
 <div class="form-group">
 <label class="col-sm-2 control-label">重复密码</label>
 <div class="col-sm-8">
 <input ng-focus type="password" name="resetmycompwd" class="form-control" ng-model="resetmycompwd" placeholder="再次输入密码" required>
 </div>
 <span style="color:red" ng-show="mycompwd!=resetmycompwd && reset_pwd.resetmycompwd.$dirty
 && !reset_pwd.resetmycompwd.$focused
 ">密码不一致</span>
 </div>
 <div class="form-group">
 <button type="submit" class="btn btn-primary" >确认</button>
 <button type="button" class="btn btn-default" ng-click="resetpwd_cancle()">取消</button>
 </div>
</form>

JS代码


app.directive('ngFocus',[function(){
 var focusClass = 'ng-focused';
 return{
 restrict:'AE',
 require:'ngModel',
 link:function(scope,element,attrs,ctrl){
 ctrl.$focused = false;
 element.bind('focus',function(e){
 element.addClass(focusClass);
 scope.$apply(function(){
 ctrl.$focused = true;
 });
 element.bind('blur',function(e){
 element.removeClass(focusClass);
 scope.$apply(function(){
 ctrl.$focused = false;
 });
 });
 })
 }
 };
}]);

注意HTML标红的地方。正是区分两种方法的关键。

以上所述是小编给大家介绍的Angualrjs 表单验证的两种方式(失去焦点验证和点击提交验证),希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!

angualrjs 表单验证