[Angular Form] ngModel and ngModelChange

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[Angular Form] ngModel and ngModelChange

When using Radio button for Tamplate driven form, we want to change to the value change and preform some action. import { Component, Input } from '@angular/core'; import { Passenger } from '../../models/passenger.interface'; @Component({ selector: 'p…

Angular - - form.FormController、ngModel.NgModelController

form.FormController FormController跟踪所有他所控制的和嵌套表单以及他们的状态,就像有效/无效或者脏值/原始. 每个表单指令创建一个FormController实例. 方法: $addControl(); 给表单注册一个控制器. 使用了ngModelController的输入元素会在连接时自动执行. $removeControl(); 给表单注销一个控制器. 使用了ngModelController的输入元素会在注销时自动执行. $setValidity(); 给…

Angular: If ngModel is used within a form tag, either the name attribute must be set or the form control must be defined as ‘standalone’ in ngModelOptions.

在Angular中,动态生成的Html控件,如果没有name属性并且在ts中要操作Model的内容.就会引发如题的错误. 解决方案两个: 加上name的属性设置ngModelOptions [ngModelOptions]="{standalone: true}" …

细说angular Form addControl方法

在本篇博文中,我们将接触angular的验证.angular的验证是由form 指令和ngModel协调完成的.今天博主在这里想要说的是在验证在的一种特殊情况,当验证控件没有没有name属性这是不会被form捕获的.或者是你希望在ngRepeat中使用动态表达式. 下面且让我们先来从angular源码中看起如下: 首先是ngModel: var ngModelDirective = function() { return { require: ['ngModel', '^?form'], con…

angular form 验证

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<!DOCTYPE HTML> <html ng-app="deliciousApp"> <head> <meta charset="UTF-8"> </head> <style type="text/css"> .form{padding: 35px 15px ;} .form .p-input{color: #;font-size: 14px;border-bottom:…

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参考 http://blog.xebia.com/2013/10/15/angularjs-validating-radio-buttons/ http://stackoverflow.com/questions/19632933/angularjs-group-check-box-validation html 验证的require maxlength 等是根据表单名.元素名 controller获取数据是根据ng-model <form name="form1" class…

angular中ng-model，返回数据，拆分数据，展示，名称相同，重新赋值会有冲突

本问题出在angular,1.X版本,我用的是1.5的版本: 问题原因: <input type="number" ng-mode="a" /> <input type="number" ng-mode="b" /> 后台要求存字段只存一个a ,值为a,b字符串拼接:. 结果是能给后台发过去,后台也能存储: 问题:要求展示a.b的值时后台返回字段a,我用arr=a.split(,)分割,然后,$scop…

angular form set dynamic control(form动态设置control)

实现效果 form表单控件的实时更新效果如图关键代码 validateForm: FormGroup; // 表单校验 constructor( private fb: FormBuilder ) { this.validateForm = this.fb.group({ }); } // 这里有一个控件数组,包含控件的显示名称.属性名和控件类型 this.properties=[ {nameChain:'account',controlType:0,displayName:'账号'}, {…

[Angular 2] ng-model and ng-for with Select and Option elements

You can use Select and Option elements in combination with ng-for and ng-model to create mini-forms that change your data as you make a selection. /** * Created by wanzhen on 23.10.2015. */ import {Component, View, NgFor, FORM_DIRECTIVES} from 'angul…