Angular Form Verification instance details, angular form instance
Form Verification
When I went, I felt like I was a very stupid person. It was a waste of time because I had misspelled a word or something, we need to treat this problem correctly. Well, let's get it right.
Bottom line: You can use all HTML5 form validation features, while angular also enhances partial validation to support dynamic validation1. On the source code1 DivNg-controller= "Examplecontroller">2 formAction=""name= "Exampleform">3 label>Name (Required ng-minlength=1 ng-maxlength=3):label> inputtype= "text"name= "Name"Ng-model= "User.Name"Required Ng-minlength=1Ng-maxlength=3> BR>4
bindings are automatic, transparent and do not require the developer to add additional actions to update view,angular here is not only the data model binding, but also the concept of behavior. As a two-way binding, form the following figure:
Information:
1.Angular Official website: http://angularjs.org/
2. Code Download: https://github.com/
Angular implements Form Verification and submission. angular forms
In this example, the Angular framework is used to implement simple form verification.
I. html Structure
1. Using bootstrap to quickly write a simple formThe main c
Bootstrap _ form _ Form Control and bootstrap Form Control
I. input box
Single-line input box, a common text input box, that is, the type attribute value of input is text.
When using input in Bootstrap, the type must also be added
When you create a form in Angular 2, you can easily get all of the values from the form using Controlgroup and Controls.
Bind [Ng-form-model] to the
Form bind to Controlgoup
Bind [Ng-form-control] to the
Inp
1. Build Project Framework NPM initialization Project NPM INIT-Y//Initialize project installation with default configuration npm install bootstrap angular angular-route--save Create a new index.html page reference to this Three dependent libraries new two folders Coming_soon in_theaters then create a controller.js file and view.html file in both folders the struc
bootstrap, angular1.x, introduce the Style.css file (you can modify the CSS to customize the style you want), easy-select.js, define angular controller, rely on the Easyselect module, such as ↓Angular.module (' Datadisplay ', [' Easyselect ']). Controller (' Selectcontroller ', [' $scope ', ' $http ', function ($scope, $ HTTP) {//Your Code}]);
Then refer to the Spec definition selection box for the demo e
then let the controller initialize the value of the $scope based on the data on the pageSolution 3, my humble angular and ejs Caishuxueqian, who has a good way to teach me BaiFor example now to do a choice drop-down box 10. The Optimistic procedural apeThe idea is clear, define a angular directive, take the option value out, all events Gagaga, scope data binding, end of scatterI estimate the time is half a
the goods receipt phone becomes = = "Order form: Run the following code View Code The logged-on user can add a comment for the item, so there is another related table, user comment form: Run the following code View Code The last is to implement the entire System User table: Run the following code View Code Back to top project structureThe basic structure of Web applications The background implementa
The Angular js framework is briefly introduced in the previous section. In this section, the Angular Bootstrap and Compiler compilation mechanisms will continue.
I. Bootstrap: Angular Initialization
1: The automation initialization of An
According to my understanding the front-end development framework can be divided into three types:UI Framework: This section, like Bootstrap, defines a set of CSS style styles, helps layout, provides several components that can be used directly, and we can use only the components it provides without having to design the UI ourselvesTool-like frameworks: such as jquery (PC-side)/jquery Mobile (mobile), although they are more accurate to the class libra
You need a control to enter minutes and seconds in a project, but after investigating some open source projects, you don't find the right controls. There is a similar control timepicker in the angular Bootstrap UI, but it has no depth to the precision of minutes and seconds.So decide to refer to its source code and implement it yourself.The final effect is as follows:
The first is the definition of the d
Angular 2 Form form
In the Angular2 form form we need to understand the form data binding, data validation, data submission and so on, in the following example is not actually submitted to the background, this part of the content
Previously, we saw that using the NG-app command can automatically load modules. Now let's take a look at how to manually load modules in angular. You need to use the angular. bootstrap function.
IE runs this webpage and finds that the variables can be correctly parsed by angular framework; F12 finds that no error is
The angular JS framework is briefly described in the previous section, where the angular bootstrap (bootstrap) and compiler (compilation) mechanisms will continue.
One: Initialization of Bootstrap:angular
The initial automation recommended by 1:angular is as follows:
2
Angular. js and Bootstrap are combined to implement table paging code, while angularjs implements Paging
First, we will briefly introduce the basic concepts of angular. js and bootstrap.
AngularJS is a JavaScript framework. It can be added to the HTML page through the
We will introduce so much about how
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