formbuilder angular2

The form verification method in Ionic2 is based on angular2 form validation, and after the Angular2 form has been updated, from the previous Import {formbuilder, Control, Controlgroup, validators, form_directives} from ' @angular/common '; Updated to introduce from forms Import {formbuilder, validators, formgroup} fro

Implementation of Angular2 form custom validators, angular2 form This article describes how to determine the result of the validators. Here, we will look at how to implement a custom validators. Target We need to implement a mobile phone number verification tool. The instance used is based on the instance in the previous article, that is, the form page of user information input. We add a cell phone number v

Although there are many separate file uploads and CForm (formbuilder) documents, there is no combination of the two examples. Although there are many separate file uploads and CForm (form builder) documents, there is no combination of the two examples.Model) First, you need a file Upload model:FileUpload. php true, 'types' => 'jpg, jpeg, gif, png'), ); } } Note:> for more information about verification rules, see Reference: Model rules validation.A

Yii uses the CForm class (Formbuilder) to upload a file model (model) First, you need a file Upload model:FileUpload. php 1234567891011121314151617 ? Php classFileUploadextendsCFormModel {public $ image;/*** @ return array validation rules for model attributes. */publicfunctionrules () {returnarray (// note you wont need a safe rule here array ('image', 'file', 'allowempty '=> true, 'types' => 'jpg, jpeg, gif, png '),);}} Note:> for

"Preface" This is also from the document written by Xiaofeng, I do end-to-end testing when the project is used. "Body" Project Flow install webstorm-Continuous Integration Server Download Address: http://www.jetbrains.com.cn/webstorm.html New ANGULAR2 Project Enter directly from the command prompt: ng New Angular-cli-project PS:ANGULAR2 basic files have been created, the next is to download the project depends on the Nodejs package, with Ng ne

Angular2 entry-Architecture Overview, angular2 Architecture OverviewToo many rows too many rowsIntroduction 　　In March 23, Angular4 was officially released (not 3 ). It seems that Angular2 is now learning again later-_-|. Angular2 has made great changes based on Angular1. I asked an

Example code of the angular2 series route transition animation and angular2 example code Angular2's animation system gives you the ability to make a variety of animation effects, and strives to build an animation with the same performance as the native CSS animation. Angular2 animation is mainly combined with @ Compone

Angular2 entry-Data Binding and angular2 entry-level bindingToo many rows too many rowsIntroduction In Angular2, the data binding method is one-way by default. The data binding method can be divided: 1. Property binding and interpolation expression component class-> Template 2. Event binding: Template-> component class 3. Bidirectional binding: Template Zookeepe

Angular2 getting started, angular2 getting started Recently, versions of angular2, 1, and 2 have changed significantly. The following summarizes some learning websites and installation steps. Official Chinese website (required ): Https://angular.cn Lazy learning: Http://www.imooc.com/learn/789 Support for bootstrap UI Components Https://github.com/angular-ui/boo

Angular2 countdown component usage details, angular2 Usage Details The project encounters a countdown requirement. Considering that it will be used in other modules in the future, it encapsulates a component by itself. It is easy to reuse later. The component requirements are as follows:-Receiving the delivery deadline of the parent component-Receive parent-level component delivery title Component Effect V

-instance10. From the query state (F11) to the input state (F4): (1) when-clear-block (2) key-exit (3) when-new-record-instance (4) When-new-item-instance11. Flashlight Query process: (1) query_find (block level) after entering the query criteria, click "Query" Button: (2) When-clear-block (3) pre-query (4) When-clear-block (5) post-query (6) when-new-record-instance (7) WHEN-NEW-ITEM-INSTANCE12 ． When you click "New": (1) when-new-record-instance (2) when-new-item-instance13. When you click "Ed

here, Angular2 is packaged in production mode with Webpack2:Use rollup packaging or comparison pit, function and plug-in is not as webpack, the key does not support code separation, resulting in angular lazy loader will not be able to use. Specific steps:Angular=>aot=>webpack (Tree shaking Uglify)angular=>aot:First you need to rely on:"@angular/compiler" "@angular/compiler-cli" "@angular/platform-browser".NPM Install Them.Here is the directory structu

Angular2 searches for and resets the button for a live animation, and angular2 for a live Animation Requirement: Add a search and reset transfer animation to the Project Management page. The first thought was to use angular2's animations attribute. // project.component.tsimport {trigger, state, style, animate, transition} from '@angular/animations';@Component({ s

How to use pipeline Pipe of Angular2, and pipeline pipe of angular2 Pipeline Pipe can use data as input and convert and output data according to rules. There are many built-in Pipe in Angular2, such as DatePipe, UpperCasePipe, and currenpolicipe. Here we will mainly introduce how to customize Pipe. 1. MPS queue Definition The following code defines Pipe: import {

Angular2 custom paging component, angular2 custom Paging In the project, parameters sent from the frontend to the backend are as follows: PageSize: number of entries per page PageNo: Current page number For example, if there are currently 1st pages and 20 records on each page, the background returns 20 records on 1st pages (SQL should use limit to retrieve paging data) At the same time, the back-end interfa

Detailed explanation of Http request principles and usage in angular2 and angular2 This document describes the principles and usage of Http requests in angular2. We will share this with you for your reference. The details are as follows: Provide HTTP Services HttpModule is not the core module of Angular. Angular is an optional method for Web access.@angular/http.

This article will start from scratch to write the actual code to complete a ANGULAR2 demo. The digression is actually ANGULAR2 official website's quick Start Project already very cool, but its emphasis fast two words, only enough to practice the play, actually GitHub has already had some good angular2-starter. 1. Install the necessary node environment and NPM O

Now I'm doing a project with ng1.5.8, Ng's advantages and characteristics I do not have to say, ng1 after the update to 1.5/1.6 has not released a new version, NG2 has been on the test for a long time, as many systems and frameworks, each big version of the update will have new features to join in, Although has not used NG2 to do enterprise-level projects, usually also understand a lot of ng2 improvements, the following to comb a few ng1 and ng2 between some of the differences;

Angular2 and TypescriptOriginal link: Https://www.infoq.com/articles/Angular2-TypeScript-High-Level-OverviewYakov Fain Posted on APR 26, 2016--------------------------------------------------------------------------------------------------------------- ---------------Angularjs is currently the most popular JavaScript framework available for creating Web applications. And now

Angular2 a modular view of Web applications, a Web application developed using ANGULAR2, is a component tree. Components are broadly divided into two categories: a generic component such as list, table, and universal, a business component designed for business development. Most of the time in actual development we need to deal with business components. For spa applications, a common problem is how to contro