Angular6新特性之Angular Material

liumiaocn:demo2 liumiao$ pwd
/tmp/trainings/angualr/demo2
liumiaocn:demo2 liumiao$

liumiaocn:demo2 liumiao$ ng add @angular/material
Installing packages for tooling via yarn.
yarn add v1.7.0
[1/4] " > @angular/material@6.4.0" has unmet peer dependency "@angular/cdk@6.4.0".
[4/4] "htmlcode">

liumiaocn:demo2 liumiao$ diff package.json package.json.org
20d19
<   "@angular/material": "^6.4.0",
26,27c25
<   "zone.js": "^0.8.26",
<   "@angular/cdk": "^6.2.0"
---
>   "zone.js": "^0.8.26"
29a28
>   "@angular/compiler-cli": "^6.0.3",
30a30
>   "typescript": "~2.7.2",
32d31
<   "@angular/compiler-cli": "^6.0.3",
47,48c46
<   "tslint": "~5.9.1",
<   "typescript": "~2.7.2"
---
>   "tslint": "~5.9.1"
liumiaocn:demo2 liumiao$


由于diff命令自身的限制，一些没有变化的内容也被列了出来，确认之后发现@angular/material和@angular/cdk是添加的内容
Material Navigation
使用Material 创建Navigation只需要如下的命令即可

创建命令：ng generate @angular/material:material-nav –name 名称

接下来我们创建一个名为mynav的Material Navigation


liumiaocn:demo2 liumiao$ ng generate @angular/material:material-nav --name mynav
CREATE src/app/mynav/mynav.component.css (129 bytes)
CREATE src/app/mynav/mynav.component.html (948 bytes)
CREATE src/app/mynav/mynav.component.spec.ts (698 bytes)
CREATE src/app/mynav/mynav.component.ts (577 bytes)
UPDATE src/app/app.module.ts (793 bytes)
liumiaocn:demo2 liumiao$


确认selector为app-mynav


liumiaocn:demo2 liumiao$ cat src/app/mynav/mynav.component.ts
import { Component } from '@angular/core';
import { BreakpointObserver, Breakpoints, BreakpointState } from '@angular/cdk/layout';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';
@Component({
 selector: 'app-mynav',
 templateUrl: './mynav.component.html',
 styleUrls: ['./mynav.component.css']
})
export class MynavComponent {
 isHandset$: Observable<boolean> = this.breakpointObserver.observe(Breakpoints.Handset)
  .pipe(
   map(result => result.matches)
  );
 constructor(private breakpointObserver: BreakpointObserver) {}
 }
liumiaocn:demo2 liumiao$


替换app.component.html的内容，确认Material Navigation的运行状况


liumiaocn:demo2 liumiao$ cat src/app/app.component.html 
<app-mynav></app-mynav>
liumiaocn:demo2 liumiao$


运行ng serve


liumiaocn:demo2 liumiao$ ng serve
** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
...省略
"text-align: center">

可以看到，缺省生成的Material Navigation就是一个Sidebar的菜单布局
Material Table

创建命令：ng generate @angular/material:material-table –name 名称

创建名为mytable的Material Table：


liumiaocn:demo2 liumiao$ ng generate @angular/material:material-table --name mytable
CREATE src/app/mytable/mytable-datasource.ts (3360 bytes)
CREATE src/app/mytable/mytable.component.css (0 bytes)
CREATE src/app/mytable/mytable.component.html (857 bytes)
CREATE src/app/mytable/mytable.component.spec.ts (618 bytes)
CREATE src/app/mytable/mytable.component.ts (701 bytes)
UPDATE src/app/app.module.ts (993 bytes)
liumiaocn:demo2 liumiao$ 
liumiaocn:demo2 liumiao$ grep app- src/app/mytable/mytable.component.ts
 selector: 'app-mytable',
liumiaocn:demo2 liumiao$


替换app.component.html并运行ng serve


liumiaocn:demo2 liumiao$ cat src/app/app.component.html 
<app-mytable></app-mytable>
liumiaocn:demo2 liumiao$


确认Material Table运行页面，顶部对table可以进行排序操作

滑动到尾部可以看到具有分页的功能

总结
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