问题
Want to set phone-number to 10 digits, How can I do this using Angular js.
This is what I have tried:
<form class="form-horizontal" role="form" method="post" name="registration" novalidate>
<div class="form-group" ng-class="{'has-error': registration.phone.$error.number}">
<label for="inputPhone" class="col-sm-3 control-label">Phone :</label>
<div class="col-sm-9">
<input type="number"
class="form-control"
ng-minlength="10"
ng-maxlength="10"
id="inputPhone"
name="phone"
placeholder="Phone"
ng-model="user.phone"
ng-required="true">
<span class="help-block"
ng-show="registration.phone.$error.required &&
registration.phone.$error.number">
Valid phone number is required
</span>
<span class="help-block"
ng-show="((registration.password.$error.minlength ||
registration.password.$error.maxlength) &&
registration.phone.$dirty) ">
phone number should be 10 digits
</span>
</div>
</div>
</form>
But I am not getting the validation error.
回答1:
Try this:
<form class="form-horizontal" role="form" method="post" name="registration" novalidate>
<div class="form-group" ng-class="{'has-error': registration.phone.$error.number}">
<label for="inputPhone" class="col-sm-3 control-label">Phone :</label>
<div class="col-sm-9">
<input type="number"
class="form-control"
ng-minlength="10"
ng-maxlength="10"
id="inputPhone"
name="phone"
placeholder="Phone"
ng-model="user.phone"
ng-required="true">
<span class="help-block"
ng-show="registration.phone.$error.required ||
registration.phone.$error.number">
Valid phone number is required
</span>
<span class="help-block"
ng-show="((registration.phone.$error.minlength ||
registration.phone.$error.maxlength) &&
registration.phone.$dirty) ">
phone number should be 10 digits
</span>
回答2:
Check this answer
Basically you can create a regex to fulfil your needs and then assign that pattern to your input field.
Or for a more direct approach:
<input type="number" require ng-pattern="<your regex here>">
More info @ angular docs here and here (built-in validators)
回答3:
You can also use ng-pattern ,[7-9] = > mobile number must start with 7 or 8 or 9 ,[0-9] = mobile number accepts digits ,{9} mobile number should be 10 digits.
function form($scope){
$scope.onSubmit = function(){
alert("form submitted");
}
}<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.5/angular.min.js"></script>
<div ng-app ng-controller="form">
<form name="myForm" ng-submit="onSubmit()">
<input type="number" ng-model="mobile_number" name="mobile_number" ng-pattern="/^[7-9][0-9]{9}$/" required>
<span ng-show="myForm.mobile_number.$error.pattern">Please enter valid number!</span>
<input type="submit" value="submit"/>
</form>
</div>回答4:
You can also use ng-pattern and I feel that will be a best practice. Similarly try to use ng-message. Please look the ng-pattern attribute on the following html. The code snippet is partial but hope you understand it.
angular.module('myApp', ['ngMessages']);
angular.module("myApp.controllers",[]).controller("registerCtrl", function($scope, Client) {
$scope.ph_numbr = /^(\+?(\d{1}|\d{2}|\d{3})[- ]?)?\d{3}[- ]?\d{3}[- ]?\d{4}$/;
});
<form class="form-horizontal" role="form" method="post" name="registration" novalidate>
<div class="form-group" ng-class="{ 'has-error' : (registration.phone.$invalid || registration.phone.$pristine)}">
<label for="inputPhone" class="col-sm-3 control-label">Phone :</label>
<div class="col-sm-9">
<input type="number" class="form-control" ng-pattern="ph_numbr" id="inputPhone" name="phone" placeholder="Phone" ng-model="user.phone" ng-required="true">
<div class="help-block" ng-messages="registration.phone.$error">
<p ng-message="required">Phone number is required.</p>
<p ng-message="pattern">Phone number is invalid.</p>
</div>
</div>
</div>
</form>
回答5:
use ng-intl-tel-input to validate mobile numbers for all countries. you can set default country also. on npm: https://www.npmjs.com/package/ng-intl-tel-input
more details: https://techpituwa.wordpress.com/2017/03/29/angular-js-phone-number-validation-with-ng-intl-tel-input/
回答6:
An even cleaner and more professional look I have found is to use AngularUI Mask. Very simple to implement and the mask can be customized for other inputs as well. Then a simple required validation is all you need.
https://angular-ui.github.io/
回答7:
<form name = "numberForm">
<div>
<input type="number"
placeholder = "Enter your phonenumber"
class = "formcontroll"
name = "numbers"
ng-minlength = "10"
ng-maxlength = "10"
ng-model="phno" required/>
<p ng-show = "numberForm.numbers.$error.required ||
numberForm.numbers.$error.number">
Valid phone number is required</p>
<p ng-show = "((numberForm.numbers.$error.minlength ||
numberForm.numbers.$error.maxlength)
&& numberForm.numbers.$dirty)">
Phone number should be 10 digits</p><br><br>
</div>
</form>
回答8:
Use ng-pattern, in this example you can validate a simple patern with 10 numbers, when the patern is not matched ,the message is show and the button is disabled.
<form name="phoneNumber">
<label for="numCell" class="text-strong">Phone number</label>
<input id="numCell" type="text" name="inputCelular" ng-model="phoneNumber"
class="form-control" required ng-pattern="/^[0-9]{10,10}$/"></input>
<div class="alert-warning" ng-show="phoneNumber.inputCelular.$error.pattern">
<p> write a phone number</p>
</div>
<button id="button" class="btn btn-success" click-once ng-disabled="!phoneNumber.$valid" ng-click="callDigitaliza()">Buscar</button>
Also you can use another complex patern like
^+?\d{1,3}?[- .]?(?(?:\d{2,3}))?[- .]?\d\d\d[- .]?\d\d\d\d$
, for more complex phone numbers
回答9:
<div ng-class="{'has-error': userForm.mobileno.$error.pattern ,'has-success': userForm.mobileno.$valid}">
<input type="text" name="mobileno" ng-model="mobileno" ng-pattern="/^[7-9][0-9]{9}$/" required>
Here "userForm" is my form name.
来源：https://stackoverflow.com/questions/27986173/validate-phone-number-using-angular-js