formbuilder angular2

Define a filed should has validation:Export class Demoformsku { myform:controlgroup; Sku:abstractcontrol; Constructor (Fb:formbuilder) { this. MyForm = Fb.group ({ "SKU": ["" ", Validators.required] }); This this. myform.controls[' SKU ']; } OnSubmit (value) { console.log (value); }}Form message*ng-if= "!myform.valid" class= "bg-warning"> Form is invaliddiv>Field message*ng-if= "!sku.valid" class= "bg-warning">

Why ANGULAR2Angular1.x obviously very successful, then, why do we have to turn violently to Angular2? Limitations of performance Angularjs was originally an internal tool for designers to quickly build HTML forms. Over time, various features are added to suit the development of applications in different scenarios. However, due to the initial architectural constraints (such as bindings and templating mechanisms), performance improvements have been ver

Why ANGULAR2Angular1.x obviously very successful, then, why do we have to turn violently to Angular2? Limitations of performanceAngularjs was originally an internal tool for designers to quickly build HTML forms. Over time, various features are added to suit the development of applications in different scenarios. However, due to the initial architectural constraints (such as bindings and templating mechanisms), performance improvements have been

ANGULAR2 components first understand the meaning of the ANGULAR2 componentThe application of ANGULAR2 is the collection of a series of componentsWe need to create reusable components for reuse by multiple componentsComponents are nested, and components in real-world applications are nested with each otherData calls in a component can use inputs and outputsA compo

{}} 3.5 code Summary of the component using the custom form Control Tip 01: If the custom form control and the components using the custom form control are not in the same module, you must export and import the corresponding components of the custom form control. HTML Import {Component, OnInit, HostListener, Inject} from '@ angular/core'; import {FormControl, FormGroup, FormBuilder, Validators} from' @ angular/forms '; import {Http} from '@ angul

Until now, ANGULAR2.0 completed its alpha-32 version of the development, the new version is still in the iterative development, the problem is that each version of the previous version will have some changes, including the API changes, which will lead to many versions based on the previous version of the demo will not work, and its official web-based tutorials are The previous version did not change in time, this resulted in even if according to the official website of the tutorial to write run

2015 soon passed, which was an important year for Wijmo, especially for Wijmo5. Leaving the traditional widgets and re-writing a set of JS controls now seems to be the right decision. Writing Wijmo5 with TypeScript means that we don't have any dependencies and no longer need jquery,wijmo5 to be a set of pure controls. This important decision puts our products at the forefront of the industry. Google's ANGULAR2 development team also uses TypeScript and

Recently in the use of learning Angular2, actually read the ANGULAR2 document know, compared to the previous changes in the ANGULAR1,ANGULAR2 is quite large.For the ' angular2 ' Local development environment, we first need to install the Nodejs locally We can go to the official website clone a QuickStart demo

The SRC folder in Ionic2 is our main work area and we look at the structure of this folder: app assets pages theme Altogether four folders. The main two folders are app and pages App is the root directory for Ionic applications, and the pages are child-built.Let's look at the five files below the app.APP.SCSS is used to set the global CSS style, generally we do not need, so there is nothing to say.App.module.ts we call it the root module, unless you have a great enough to write an oversized appl

: construction mode (form assembly plant) Here, our client can create one or more parts in the factory and add them to our forms. In fact, most forms are composed of these parts, here we only use the build mode to build a basic form consisting of a panel, three buttons (maximize, minimize, and close buttons), and the status bar. The following is a class diagram of a form assembled in the construction mode: The formbuilder serves as the client

This is the first time to pause the next blog-you draw my guess the progress, because in this game, want to use the latest NG2 technology, but the pit is a piece after another, this way first introduced the environment deployment and pits historySince to use NG2, first to get resources, I use the AngularJs2 beta version of the online resources have two kinds, One is a fully compressed version of the file. Min.js version of the other is a lot of messy JS files, mainly ng2 has been fully adopted t

Angular 2 Study notes (a) first application Building Custom Components Accept user input from form (form) Render a list of objects and use view warfare Listen (intercepting) the user clicks the event and performs the action Getting StartedtypescriptIt is recommended to start programming Angular 2 using TypeScript. Angular 2 has ES5 API, but Angular 2 is written in TypeScript and most people use TypeScript. Writing Angular 2 with TypeScript is more beautiful and easy.//

method (with label) or modify directlyformScript.php Namespace Test;use formbuilder\form;//input Component $input = form::input (' goods_name ', ' commodity name ');//Date Range Select Component $daterange = Form:: DateRange ( ' limit_time ', ' interval date ', strtotime ('-ten day '), Time ());//provincial level two linkage $cityarea = form::city (' Address ', ' delivery addresses ', [ ' Shaanxi province ', ' Xian City ']);//Create f