What are the eight main construction blocks of Angular 2 applications and angular application structures?
Previous words: I recently read quickstart on the official website during Angular 2 and National Day, and wrote an article, just a hello world demo. Later, I continued to read a project tutorial of it. At the beginning, I was able to keep up with it, and it w
Original source: https://my.oschina.net/blogshi/blog/280400
Absrtact: Voluminous wrote a lot of the recent construction projects of some experience, for the construction of angular project is really not in harmony with the previous front-end framework, so it is hereby recorded to share to everyone, and hope to be helpful.
Objective
Contact Angular also has a small half month, although not hard to toss, but
CSS Learning (22nd)-flexbox model 3I. theory:1. flex-line-pack stack scaling rowA. Use the same as flex-packB. Add stretch start/end/center/justify (average distribution)/distribute (Half Space on both ends)/stretch (stretch to fill the entire container)C. flex-line for individuals, and flex-line-pack for groups
Ii. Practice:
1.
Title box1 box2 box3 box4 box5 box6 box7 box8
CSS Learning (21)-flexbox Model 2I. theory:1. flex-flowA. flex-direction: Set the scaling flow direction of the scaling containerB. flex-wrap: Set whether the scaling items in the scaling container are lined up with lines when the scaling container does not have enough space.2. flex-packA. parameters with the same attributes as box-packB. The distribute scaling project is evenly distributed in the same row.C. the starting edge of the first scaling pro
One, proportional attribute flex and layout direction Properties FlexdirectionFor example, the Flex property values for three views are 2, 4, 8, respectively, and their height ratio is 2:4:8. , the width is not specified, and the default is full screen width.class Zlfreactnativedemo extends Component {render () {return ( ); }}const Styles=stylesheet.create ({container: {flex:1,Flexdirection: column , BackgroundColor:' #00FFFF ',}, Style1: {flex:2, BackgroundColor:' Red ',}, Style2: {fle
); }}ConstStyles1 =stylesheet.create ({container: {//Note: The height of the parent view is determined with the child view//change the direction of the spindleFlexdirection:'Row', BackgroundColor:'Purple', //distance from top of spaceMarginTop: -, //Setting the alignment of the spindleJustifycontent:'Center', //to set the alignment of the side axisAlignitems:'Flex-end', //set image wrapping display, default is no line breakFlexwrap:'Wrap', //determines the width of the box widt
First, the theory:1.flex-flowA.flex-direction setting the telescopic flow direction of the telescopic containerB.flex-wrap setting a scaling item in a telescopic container if there is not enough space in the telescopic container, whether the scaling item is wrapped in a telescopic container2.flex-packA. With the same parameters as the Box-pack propertyB.distribute scaling items are evenly distributed across the same lineThe starting edge of the first telescopic project in the C.start telescopic
Common Example 1. Center Alignment"Utf-8"> class="Flex-container"> class="Flex-item">1class="Flex-item">2class="Flex-item">3class="Flex-item">4class="Flex-item">5class="Flex-item">6Effect:2. Adaptive navigation Effect:Align vertically with center"Utf-8"> class="content"> isExtremely difficult to vertically align contentusingTraditional CSS without knowing exactlywhereYou want the item to appear. Typical page layouts for blog posts"Utf-8"> class="Post"> isMy first blog postclass="Post-meta">
React native, through a flexbox layout engine, implements a consistent cross-platform style and layout across all mobile platforms. Main Properties Flex flexdirection alignself alignitems justifycontent flexwrap Properties explain Flex
When an element defines a flex attribute, it means that the element is scalable (Flex has a property value greater than 0 to scale) and can be likened to the weight property in Android.
Class Flexboxrea
First, in the React Native Flexbox has
Flex:1 its child elements have the same length
Justifycontent Vertical Layout
Alignitems Horizontal Layout
Flexdirction row (Landscape) Colum (portrait) Overall direction
Justifycontent (The relationship between child elements and child elements) Flex-start Center Flex-end space-around Space-between Sub-
Alignitems determines the position of your control in the vertical left or right of the screen Flex-start (lef
How to Use Angular CLI to generate an Angular 5 Project tutorial, angularcli
If you are using angular but do not make good use of angular cli, you can refer to this article.
Angular CLI official site: https://github.com/angular/
The upload class is used in the service layer. Notice it has a constructorfilefor attribute, and which has a type ofFile. This would allows us to initialize new uploads with a JavaScript File object. You'll see what's important in the next step.
export class Upload {
$key: string;
file:File;
name:string;
url:string;
progress:number;
createdAt: Date = new Date();
constructor(file:File) { this.file = file;
}
}
Then build the upload service, which can inject to compo
Angular (3) of the front-end framework and angular of the front-end framework
This section describes Angular's dirty checking, functions, and services.1. Dirty checking
Angular usesdirty checkTo track data changes, which is the basis of two-way data binding.
The so-called dirty check means angular binds a watcher to ea
Summary of problems with angular animation effects, angular Animation
Adding "dynamic effects" is an effective means for users to perceive the behavior of applications. "List" is one of the most commonly used interface forms in applications. operations such as adding, deleting, and moving rows are often performed. Imagine that the operation to add is very simple. The operation to delete is from large to sma
1. JQuery vs JavasciptAsk two questions:1) Have you ever used jquery? Of course!2) What are the advantages of the jquery relative to native JavaScript?My answer: jquery is more straightforward, good compatibility, less code, good understanding, rapid development, fewer bugs ...2. Angular vs JQueryRefer to jquery vs Javascript3. What's the future of angular?If today is 2008, someone asked about the future of
For details, refer to third-party libraries in Angular-Cli and third-party libraries in angular-cli.
Recently I have been studying angular (AngularJS 2) and used angular-cli to create a project based on the tutorial. However, I encountered a problem when adding JQuery and Bootstrap third-party libraries...
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