- 首页
- 前端开发
- 使用 angular js 在用户单击时动态添加表单字段
使用 angular js 在用户单击时动态添加表单字段
[英] add form fields dynamically on user click using angular js
本文介绍了使用 angular js 在用户单击时动态添加表单字段的处理方法,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
添加子按钮无法正常工作(应在用户单击时添加各种字段(名字、名字、姓氏、学生和情景字段).详细信息:我正在尝试创建一个包含五个输入字段(名字、中间名、姓氏和两个单选按钮)的表单,如果用户单击添加子按钮应创建一个新的五个输入字段.
注意:我使用指令来调用这个表单).
<div layout-gt-sm="row" layout-align="center"><div id="横幅"><p><span>步骤 1</span>列出所有 12 年级以下的婴儿、儿童和学生的家庭成员.
<md-content layout-padding><表格名称="表格"><fieldset layout-gt-sm="row" layout-align="center" data-ng-repeat="child in childern"><md-input-container class="md-block"><label>名字</label><input required name="firstName" ng-model="child.firstName"><div ng-messages="Form.firstName.$error"><div ng-message="required">名字是必需的.</div>
</md-input-container><md-input-container class="md-block" style="max-width:60px;"><label>MI</label><input required name=" middleName " ng-model="child.middleName "><div ng-messages="Form.middleName.$error"><div ng-message="required ">中间名是必需的.</div>
</md-input-container><md-input-container class="md-block"><label>姓氏</label><input required name="lastName" ng-model="child.lastName"><div ng-messages="Form.lastName.$error"><div ng-message="required ">Last Name 是必需的.</div>
</md-input-container><div class="单元格"><标签><b>学生?</b></label><div class="box"><md-radio-group ng-model="child.IsStudent"><md-radio-button value="Yes">Yes</md-radio-button><md-radio-button value="No">没有 </md-radio-button></md-radio-group>
<div class="cell"><标签><b>孩子的情况?</b></label><div class="box"><md-radio-group ng-model="child.situation"><md-radio-button value="Foster Child">Foster Child </md-radio-button><md-radio-button value="HMR">无家可归、移民、逃亡 </md-radio-button></md-radio-group>
</fieldset></表单><div layout-gt-sm="row" layout-align="center"><md-button class="md-raised md-primary" ng-click="Step1Ctrl.addChild()">添加子项</md-button>
</md-content>
javascript
var form = angular .模块 ('myform'['ngMaterial','ngAnimate''ngMessages','ngRoute']);form.directive('myStep1', function () {return { templateUrl:'step1-form.html'};});form.controller('Step1Ctrl', function ($scope) {$scope.childern = [];$scope.addChild = 函数 () {$scope.childern.push({});};$scope.removeChild = 函数 () {};});
解决方案
你不需要提到ng-click
表达式作为控制器的方法(_Not like Controller.methodName()
只是把它表达成methodName()
)
angular.module('MyApp', ['ngMaterial', 'ngMessages']).controller('Step1Ctrl', function($scope) {$scope.childern = [{}];$scope.addChild = function() {$scope.childern.push({});};$scope.removeChild = function() {};});
<div ng-controller="Step1Ctrl" layout="column" ng-cloak="" class="autocompletedemoBasicUsage" ng-app="MyApp"><md-content class="md-padding"><表格名称="表格"><fieldset layout-gt-sm="row" layout-align="center" data-ng-repeat="child in childern"><md-input-container class="md-block"><label>名字</label><input required name="firstName" ng-model="child.firstName"><div ng-messages="Form.firstName.$error"><div ng-message="required">名字是必需的.</div></md-input-container><md-input-container class="md-block" style="max-width:60px;"><label>MI</label><input required name=" middleName " ng-model="child.middleName "><div ng-messages="Form.middleName.$error"><div ng-message="required ">中间名是必需的.</div>
</md-input-container><md-input-container class="md-block"><label>姓氏</label><input required name="lastName" ng-model="child.lastName"><div ng-messages="Form.lastName.$error"><div ng-message="required ">姓氏是必需的.</div>
</md-input-container><div class="单元格"><标签><b>学生?</b>标签><div class="box"><md-radio-group ng-model="child.IsStudent"><md-radio-button value="Yes">Yes</md-radio-button><md-radio-button value="No">No</md-radio-button></md-radio-group>
<div class="cell"><标签><b>孩子的情况?</b>标签><div class="box"><md-radio-group ng-model="child.situation"><md-radio-button value="Foster Child">Foster Child</md-radio-button><md-radio-button value="HMR">无家可归者、移民、逃亡者</md-radio-button></md-radio-group>
</fieldset></表单><div layout-gt-sm="row" layout-align="center"><md-button class="md-raised md-primary" ng-click="addChild()">添加子项</md-button>
</md-content>
Codepen 在这里
add child button does not work as suppose to be (should add various fields when user click (first,mi,last name ,student ,and situation fields).
details: i am trying to create a form consist of five inputs fields(first name ,middle name , last name and two radio buttons ) and if user click add child button should create a new five inputs fields .
NOTE : i use directive to call this form ).
<div ng-controller="Step1Ctrl" layout="column" layout-align="center">
<div layout-gt-sm="row" layout-align="center">
<div id="banner">
<p> <span>STEP 1</span> List all household members who are infants, children, and students up to and including grade 12</p>
</div>
</div>
<md-content layout-padding>
<form name="Form">
<fieldset layout-gt-sm="row" layout-align="center" data-ng-repeat="child in childern">
<md-input-container class="md-block">
<label>First Name</label>
<input required name="firstName" ng-model="child.firstName">
<div ng-messages="Form.firstName.$error">
<div ng-message="required">First Name is required.</div>
</div>
</md-input-container>
<md-input-container class="md-block" style="max-width:60px;">
<label>MI</label>
<input required name=" middleName " ng-model="child.middleName ">
<div ng-messages="Form.middleName.$error ">
<div ng-message="required ">Middle Name is required.</div>
</div>
</md-input-container>
<md-input-container class="md-block ">
<label>Last Name</label>
<input required name="lastName " ng-model="child.lastName ">
<div ng-messages="Form.lastName.$error ">
<div ng-message="required ">Last Name is required.</div>
</div>
</md-input-container>
<div class="cell ">
<label> <b>Student?</b></label>
<div class="box">
<md-radio-group ng-model="child.IsStudent">
<md-radio-button value="Yes">Yes</md-radio-button>
<md-radio-button value="No"> No </md-radio-button>
</md-radio-group>
</div>
</div>
<div class="cell">
<label><b> Child's situation? </b></label>
<div class="box">
<md-radio-group ng-model="child.situation">
<md-radio-button value="Foster Child">Foster Child </md-radio-button>
<md-radio-button value="HMR"> Homeless, Migrant, Runaway </md-radio-button>
</md-radio-group>
</div>
</div>
</fieldset>
</form>
<div layout-gt-sm="row" layout-align="center">
<md-button class="md-raised md-primary" ng-click="Step1Ctrl.addChild()">Add Child</md-button>
</div>
</md-content>
</div>
javascript
var form = angular . module ( 'myform'[ 'ngMaterial',' ngAnimate''ngMessages','ngRoute']);
form.directive('myStep1', function () {return { templateUrl:
'step1-form.html'};});
form.controller('Step1Ctrl', function ($scope) {
$scope.childern = [];
$scope.addChild = function () {
$scope.childern.push({});
};
$scope.removeChild = function () {
};
});
解决方案
You don't need to mention ng-click
expression as a method of controller(_Not like Controller.methodName()
just express it like methodName()
)
angular
.module('MyApp', ['ngMaterial', 'ngMessages'])
.controller('Step1Ctrl', function($scope) {
$scope.childern = [{}];
$scope.addChild = function() {
$scope.childern.push({});
};
$scope.removeChild = function() {
};
});
<div ng-controller="Step1Ctrl" layout="column" ng-cloak="" class="autocompletedemoBasicUsage" ng-app="MyApp">
<md-content class="md-padding">
<form name="Form">
<fieldset layout-gt-sm="row" layout-align="center" data-ng-repeat="child in childern">
<md-input-container class="md-block">
<label>First Name</label>
<input required name="firstName" ng-model="child.firstName">
<div ng-messages="Form.firstName.$error">
<div ng-message="required">First Name is required.</div>
</div>
</md-input-container>
<md-input-container class="md-block" style="max-width:60px;">
<label>MI</label>
<input required name=" middleName " ng-model="child.middleName ">
<div ng-messages="Form.middleName.$error ">
<div ng-message="required ">Middle Name is required.</div>
</div>
</md-input-container>
<md-input-container class="md-block ">
<label>Last Name</label>
<input required name="lastName " ng-model="child.lastName ">
<div ng-messages="Form.lastName.$error ">
<div ng-message="required ">Last Name is required.</div>
</div>
</md-input-container>
<div class="cell ">
<label> <b>Student?</b>
</label>
<div class="box">
<md-radio-group ng-model="child.IsStudent">
<md-radio-button value="Yes">Yes</md-radio-button>
<md-radio-button value="No">No</md-radio-button>
</md-radio-group>
</div>
</div>
<div class="cell">
<label><b> Child's situation? </b>
</label>
<div class="box">
<md-radio-group ng-model="child.situation">
<md-radio-button value="Foster Child">Foster Child</md-radio-button>
<md-radio-button value="HMR">Homeless, Migrant, Runaway</md-radio-button>
</md-radio-group>
</div>
</div>
</fieldset>
</form>
<div layout-gt-sm="row" layout-align="center">
<md-button class="md-raised md-primary" ng-click="addChild()">Add Child</md-button>
</div>
</md-content>
</div>
Codepen here
这篇关于使用 angular js 在用户单击时动态添加表单字段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!
查看全文