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怎么利用angular Material做统计表格？下面本篇文章给大家介绍一下用angular Material 做统计表格的方法，希望对大家有所帮助！

用angular Material 做统计表格

安装 Angular Material、组件开发工具 (CDK) 和 Angular 动画库，并运行代码原理图

ng add @angular/material

表格原理图将创建一个组件，它可以渲染出一个预置了可排序、可分页数据源的 Angular Material。【相关教程推荐：《angular教程》】

ng generate @angular/material:table texe1

然后在这的基础上进行修改。

该组件的html文件

<div class="mat-elevation-z8">  <table mat-table class="full-width-table" matSort aria-label="Elements">    <!-- Id Column -->    <ng-container matColumnDef="id">      <th mat-header-cell *matHeaderCellDef mat-sort-header>序号</th>      <td mat-cell *matCellDef="let row">{{row.id}}</td>    </ng-container>    <!-- Name Column -->    <ng-container matColumnDef="name">      <th mat-header-cell *matHeaderCellDef mat-sort-header>岩土名</th>      <td mat-cell *matCellDef="let row">{{row.name}}</td>    </ng-container>    <!-- num1 Column -->    <ng-container matColumnDef="num1">      <th mat-header-cell *matHeaderCellDef mat-sort-header>期望数量</th>      <td mat-cell *matCellDef="let row">{{row.num1}}</td>    </ng-container>    <!-- num2 Column -->    <ng-container matColumnDef="num2">      <th mat-header-cell *matHeaderCellDef mat-sort-header>当前数量</th>      <td mat-cell *matCellDef="let row">{{row.num2}}</td>    </ng-container>    <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>    <tr mat-row *matRowDef="let row; columns: displayedColumns;"></tr>  </table>  <!-- 控制表格数据的显示长度 -->  <mat-paginator #paginator      [length]="dataSource?.data?.length"      [pageIndex]="0"      [pageSize]="10"      [pageSizeOptions]="[5, 10, 17]"      aria-label="Select page">  </mat-paginator></div>

该组件的texe1-datasource.ts文件

import { DataSource } from '@angular/cdk/collections';import { MatPaginator } from '@angular/material/paginator';import { MatSort } from '@angular/material/sort';import { map } from 'rxjs/operators';import { Observable, of as observableOf, merge } from 'rxjs';// TODO: Replace this with your own data model typeexport interface Texe1Item {  name: string;  id: number;  num1: number;  num2: number;}// TODO: replace this with real data from your applicationconst EXAMPLE_DATA: Texe1Item[] = [  {id: 1, name: '粉质粘土', num1:1000, num2:100,},  {id: 2, name: '淤泥质粉质粘土', num1:1000, num2:100,},  {id: 3, name: '粘土', num1:1000, num2:100,},  {id: 4, name: '粘质粉土', num1:1000, num2:100,},  {id: 5, name: '淤泥质粘土', num1:1000, num2:100,},  {id: 6, name: '圆砾（角砾）', num1:1000, num2:100,},  {id: 7, name: '中砂', num1:1000, num2:1000,},  {id: 8, name: '有机质土', num1:1000, num2:100,},  {id: 9, name: '泥炭质土A', num1:1000, num2:100,},  {id: 10, name: '泥炭质土B', num1:1000, num2:100,},  {id: 11, name: '砂质粉土', num1:1000, num2:100,},  {id: 12, name: '粉砂', num1:1000, num2:100,},  {id: 13, name: '细砂', num1:1000, num2:100,},  {id: 14, name: '粗砂', num1:1000, num2:100,},  {id: 15, name: '砾砂', num1:1000, num2:100,},  {id: 16, name: '卵石（碎石）', num1:1000, num2:100,},  {id: 17, name: '漂石（块石）', num1:1000, num2:100,},];/** * Data source for the Texe1 view. This class should * encapsulate all logic for fetching and manipulating the displayed data * (including sorting, pagination, and filtering). */export class Texe1DataSource extends DataSource<Texe1Item> {  data: Texe1Item[] = EXAMPLE_DATA;  paginator: MatPaginator | undefined;  sort: MatSort | undefined;  constructor() {    super();  }  /**   * Connect this data source to the table. The table will only update when   * the returned stream emits new items.   * @returns A stream of the items to be rendered.   */  connect(): Observable<Texe1Item[]> {    if (this.paginator && this.sort) {      // Combine everything that affects the rendered data into one update      // stream for the data-table to consume.      return merge(observableOf(this.data), this.paginator.page, this.sort.sortChange)        .pipe(map(() => {          return this.getPagedData(this.getSortedData([...this.data ]));        }));    } else {      throw Error('Please set the paginator and sort on the data source before connecting.');    }  }  /**   *  Called when the table is being destroyed. Use this function, to clean up   * any open connections or free any held resources that were set up during connect.   */  disconnect(): void {}  /**   * Paginate the data (client-side). If you're using server-side pagination,   * this would be replaced by requesting the appropriate data from the server.   */  private getPagedData(data: Texe1Item[]): Texe1Item[] {    if (this.paginator) {      const startIndex = this.paginator.pageIndex * this.paginator.pageSize;      return data.splice(startIndex, this.paginator.pageSize);    } else {      return data;    }  }  /**   * Sort the data (client-side). If you're using server-side sorting,   * this would be replaced by requesting the appropriate data from the server.   */  private getSortedData(data: Texe1Item[]): Texe1Item[] {    if (!this.sort || !this.sort.active || this.sort.direction === '') {      return data;    }    return data.sort((a, b) => {      const isAsc = this.sort?.direction === 'asc';      switch (this.sort?.active) {        case 'name': return compare(a.name, b.name, isAsc);        case 'id': return compare(+a.id, +b.id, isAsc);        default: return 0;      }    });  }}/** Simple sort comparator for example ID/Name columns (for client-side sorting). */function compare(a: string | number, b: string | number, isAsc: boolean): number {  return (a < b ? -1 : 1) * (isAsc ? 1 : -1);}

该组件的texe1.component.ts文件

import { AfterViewInit, Component, ViewChild } from '@angular/core';import { MatPaginator } from '@angular/material/paginator';import { MatSort } from '@angular/material/sort';import { MatTable } from '@angular/material/table';import { Texe1DataSource, Texe1Item } from './texe1-datasource';@Component({  selector: 'app-texe1',  templateUrl: './texe1.component.html',  styleUrls: ['./texe1.component.css']})export class Texe1Component implements AfterViewInit {  @ViewChild(MatPaginator) paginator!: MatPaginator;  @ViewChild(MatSort) sort!: MatSort;  @ViewChild(MatTable) table!: MatTable<Texe1Item>;  dataSource: Texe1DataSource;  /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */  displayedColumns = ['id', 'name','num1','num2'];  constructor() {    this.dataSource = new Texe1DataSource();  }  ngAfterViewInit(): void {    this.dataSource.sort = this.sort;    this.dataSource.paginator = this.paginator;    this.table.dataSource = this.dataSource;  }}

最后再app.component.html文件中进行显示。

<app-texe1></app-texe1>

效果图：

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