指令angularjs查邮件或不使用 [英] directive angularjs to check mail used or not

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本文介绍了指令angularjs查邮件或不使用的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我要检查邮件是否已使用或不(与后端通信),但在屏幕上没有显示错误信息。

在verficiation功能服务:

  demoApp.factory('verifyEmail',函数($ HTTP){
    复位功能(邮件){
        VAR测试=邮件;
        VAR urll =?HTTP://本地主机:8080 /应用/ personne / verifmail味精=;
        VAR aplrest = urll +测试;
        VAR CH3 = aplrest;        返回$ http.post(CH 3)
    };});

指令(与@jsonmurphy的帮助下)

  demoApp.directive('existTo',[$ Q,verifyEmail功能($ Q,verifyEmail){
    返回{
        要求:ngModel
        范围: {
            otherModelValue:= existTo
        },
        链接:功能(范围,元素,属性,ngModel){
            //注意改变$ asyncValidators此处< -------------
            ngModel。$ asyncValidators.existTo =功能(modelValue){
                变种推迟= $ q.defer();
                verifyEmail(modelValue)。然后(功能(respons){
                    //将respons可以{存在=真}或{存在=假}
                   VAR代表= respons.exist;
                    deferred.resolve(REP);
                });
                返回deferred.promise;
            };
            范围。$表(otherModelValue功能(){
                ngModel $的validate()。
            });
        }
    }; }]);

HTML文件:

 <标签>电子邮件和LT; /标签>
    <输入类型=电子邮件NAME =电子邮件级=表单组
           NG-模式=registration.user.email
           NG-模式=/ ^ [_ A-Z0-9] +(\\ [_ A-Z0-9] +)* @ [A-Z0-9 - ] +(\\ [A-Z0-9 - ] + )*(\\。[AZ] {2,8})$ /
           要求存在 - 要=registration.user.email/>    <跨度风格=颜色:红色的NG-秀=。registrationForm.email $脏放大器;&安培; registrationForm.email $无效>
        <跨度NG秀=$ registrationForm.email error.required。>香榭丽舍大街的电子邮件obligatoire< / SPAN>
        <跨度NG秀=$ registrationForm.email error.pattern方式>电子邮件地址无效< / SPAN>
        <跨度NG秀=$ registrationForm.email error.existTo。>邮件已经存在< / SPAN>
    < / SPAN>


解决方案

此解决方案

  demoApp.directive('existTo',[$ Q,verifyEmail功能($ Q,verifyEmail){
    返回{
        要求:ngModel
        范围: {
            otherModelValue:= existTo
        },
        链接:功能(范围,元素,属性,ngModel){
            //注意改变$ asyncValidators此处< -------------
            ngModel。$ asyncValidators.existTo =功能(modelValue){
                变种推迟= $ q.defer();
                // window.alert(L电子邮件测试仪+ modelValue);
                verifyEmail(modelValue).success(功能(respons){
                    //将respons可以{存在=真}或{存在=假}
                  // window.alert(香格里拉效应初探+ respons);
                    VAR代表= respons.exist;
                   // window.alert(香格里拉效应初探+ REP);                    如果(代表==假){
                        //用户名可用
                        deferred.resolve();
                    }其他{
                        deferred.reject();
                    }                });
                返回deferred.promise;
            };
            范围。$表(otherModelValue功能(){
                ngModel $的validate()。
            });
        }
    }; }]);

i want to check if email is already used or not (communication with back-end) but the error message is not shown in the screen.

the verficiation function service :

demoApp.factory('verifyEmail', function($http) {
    return function(mail) {
        var test=mail;
        var urll="http://localhost:8080/app/personne/verifmail?msg=";
        var aplrest=urll+test;
        var ch3=aplrest;

        return $http.post(ch3)
    };});

the directive (with the help of @jsonmurphy)

demoApp.directive('existTo', ["$q","verifyEmail",function ($q, verifyEmail) {
    return {
        require: "ngModel",
        scope: {
            otherModelValue: "=existTo"
        },
        link: function(scope, element, attributes, ngModel) {
            // Note the change to $asyncValidators here            <-------------
            ngModel.$asyncValidators.existTo = function(modelValue) {
                var deferred = $q.defer();
                verifyEmail(modelValue).then(function(respons) {
                    // the respons can be {exist="true"} or{exist="false"} 
                   var rep=respons.exist;
                    deferred.resolve(rep);
                });
                return deferred.promise;
            };
            scope.$watch("otherModelValue", function() {
                ngModel.$validate();
            });
        }
    }; }]);

the html file:

<label>Email</label>
    <input type="email" name="email" class="form-group"
           ng-model="registration.user.email"
           ng-pattern="/^[_a-z0-9]+(\.[_a-z0-9]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,8})$/"
           required exist-To="registration.user.email"/>

    <span style="color:red" ng-show="registrationForm.email.$dirty && registrationForm.email.$invalid">
        <span ng-show="registrationForm.email.$error.required">champs email obligatoire.</span>
        <span ng-show="registrationForm.email.$error.pattern">Invalid email address.</span>
        <span ng-show="registrationForm.email.$error.existTo">mail already exist.</span>
    </span>

解决方案

this the solution

demoApp.directive('existTo', ["$q","verifyEmail",function ($q, verifyEmail) {
    return {
        require: "ngModel",
        scope: {
            otherModelValue: "=existTo"
        },
        link: function(scope, element, attributes, ngModel) {
            // Note the change to $asyncValidators here            <-------------
            ngModel.$asyncValidators.existTo = function(modelValue) {
                var deferred = $q.defer();
                // window.alert("l email a tester "+modelValue);
                verifyEmail(modelValue).success(function(respons) {
                    // the respons can be {exist="true"} or{exist="false"}
                  //  window.alert("la reponse " +respons);
                    var rep=respons.exist;
                   // window.alert("la reponse " +rep);

                    if (rep =="false") {
                        // The username is available
                        deferred.resolve();
                    } else {
                        deferred.reject();
                    }

                });
                return deferred.promise;
            };
            scope.$watch("otherModelValue", function() {
                ngModel.$validate();
            });
        }
    }; }]);

这篇关于指令angularjs查邮件或不使用的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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