Angular PrimeNG表的排序

Angular PrimeNG表的排序

Angular PrimeNG是一个开源框架,拥有丰富的原生Angular UI组件,可用于出色的造型,这个框架用于制作响应式网站,非常方便。这篇文章将向我们展示如何在Angular PrimeNG中使用表排序功能。

Angular PrimeNG Table Sorting能够对表组件中的表数据进行排序。使用排序功能,我们可以很容易地使用单列或多列排序来对表组件的数据进行排序。

语法:

<p-table 
    <ng-template 
         pTemplate="header" 
         let-columns>
        <tr>
            <th *ngFor="let col of columns" 
                **[ttSortableColumn]="col.field"** >
                {{colData}}
            </th>
        </tr>
    </ng-template>
    ...
</p-table>
HTML

创建Angular应用程序和模块安装。

第1步:使用以下命令创建一个Angular应用程序。

ng new appname
JavaScript

第2步:创建你的项目文件夹即appname后,使用以下命令移动到它。

cd appname
JavaScript

第3步在你给定的目录中安装PrimeNG。

npm install primeng --save
npm install primeicons --save
JavaScript

项目结构:它将看起来像如下。

Angular PrimeNG表的排序

Project Structure

例子1:下面是一个简单的例子,演示Angular PrimeNG表排序的使用。在这个例子中,我们正在应用单列排序,这意味着排序将只根据单列应用。

<h2 style="color: green">GeeksforGeeks</h2>
<h4>Angular PrimeNG Table Sorting</h4>
  
<p-table 
    [value]="tableData" 
    [scrollable]="true" 
    scrollHeight="400px">
    <ng-template pTemplate="header">
        <tr>
            <th pSortableColumn="firstname">First Name</th>
            <th pSortableColumn="lastname">Last Name</th>
            <th pSortableColumn="age">Age</th>
        </tr>
    </ng-template>
  
    <ng-template pTemplate="body" let-people>
        <tr>
            <td>
                {{ people.firstname }}
            </td>
            <td>
                {{ people.lastname }}
            </td>
            <td>
                {{ people.age }}
            </td>
        </tr>
    </ng-template>
</p-table>
HTML
import { Component } from '@angular/core';
  
interface People {
    firstname?: string;
    lastname?: string;
    age?: string;
}
  
@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
})
export class AppComponent {
    tableData: People[] = [];
    cols: any[] = [];
    constructor() { }
  
    ngOnInit() {
        this.cols = [
            { field: 'firstname', header: 'First Name' },
            { field: 'lastname', header: 'Last Name' },
            { field: 'age', header: 'Age' },
        ];
        this.tableData = [
            {
                firstname: 'David',
                lastname: 'ace',
                age: '40',
            },
            {
                firstname: 'AJne',
                lastname: 'west',
                age: '40',
            },
            {
                firstname: 'Mak',
                lastname: 'Lame',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
        ];
    }
}
JavaScript
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { BrowserAnimationsModule } 
    from '@angular/platform-browser/animations';
import { RouterModule } from '@angular/router';
import { AppComponent } from './app.component';
import { TreeTableModule } from 'primeng/treetable';
import { ButtonModule } from 'primeng/button';
import { DialogModule } from 'primeng/dialog';
import { MultiSelectModule } from 'primeng/multiselect';
import { InputTextModule } from 'primeng/inputtext';
import { ToastModule } from 'primeng/toast';
import { ContextMenuModule } from 'primeng/contextmenu';
import { TableModule } from 'primeng/table';
  
@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        TreeTableModule,
        ToastModule,
        TableModule,
        DialogModule,
        ButtonModule,
        MultiSelectModule,
        InputTextModule,
        ContextMenuModule,
        HttpClientModule,
        FormsModule,
        RouterModule.forRoot
            ([{ path: '', component: AppComponent }]),
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
})
export class AppModule { }
JavaScript

输出:

Angular PrimeNG表的排序

例子2:下面是另一个例子,演示Angular PrimeNG表排序的使用。在这个例子中,我们正在应用多列排序,这意味着排序可以应用于多个列。

<h2 style="color: green">GeeksforGeeks</h2>
<h4>Angular PrimeNG Table Sorting</h4>
  
<p-table 
    [value]="tableData" 
    [scrollable]="true" 
    scrollHeight="400px">
    <ng-template pTemplate="header">
        <tr>
            <th pSortableColumn="firstname">
                First Name <p-sortIcon></p-sortIcon>
            </th>
            <th pSortableColumn="lastname">
                Last Name <p-sortIcon></p-sortIcon>
            </th>
            <th pSortableColumn="age">
                Age <p-sortIcon></p-sortIcon>
            </th>
        </tr>
    </ng-template>
  
    <ng-template 
        pTemplate="body" 
        let-people 
        sortMode="multiple">
        <tr>
            <td>
                {{ people.firstname }}
            </td>
            <td>
                {{ people.lastname }}
            </td>
            <td>
                {{ people.age }}
            </td>
        </tr>
    </ng-template>
</p-table>
HTML
import { Component } from '@angular/core';
  
interface People {
    firstname?: string;
    lastname?: string;
    age?: string;
}
  
@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
})
export class AppComponent {
    tableData: People[] = [];
    cols: any[] = [];
    constructor() { }
  
    ngOnInit() {
        this.cols = [
            { field: 'firstname', header: 'First Name' },
            { field: 'lastname', header: 'Last Name' },
            { field: 'age', header: 'Age' },
        ];
        this.tableData = [
            {
                firstname: 'David',
                lastname: 'ace',
                age: '40',
            },
            {
                firstname: 'AJne',
                lastname: 'west',
                age: '40',
            },
            {
                firstname: 'Mak',
                lastname: 'Lame',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
            {
                firstname: 'Peter',
                lastname: 'raw',
                age: '40',
            },
            {
                firstname: 'Kane',
                lastname: 'James',
                age: '40',
            },
        ];
    }
}
JavaScript
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { BrowserAnimationsModule } 
    from '@angular/platform-browser/animations';
import { RouterModule } from '@angular/router';
import { AppComponent } from './app.component';
import { TreeTableModule } from 'primeng/treetable';
import { ButtonModule } from 'primeng/button';
import { DialogModule } from 'primeng/dialog';
import { MultiSelectModule } from 'primeng/multiselect';
import { InputTextModule } from 'primeng/inputtext';
import { ToastModule } from 'primeng/toast';
import { ContextMenuModule } from 'primeng/contextmenu';
import { TableModule } from 'primeng/table';
  
@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        TreeTableModule,
        ToastModule,
        TableModule,
        DialogModule,
        ButtonModule,
        MultiSelectModule,
        InputTextModule,
        ContextMenuModule,
        HttpClientModule,
        FormsModule,
        RouterModule.forRoot
            ([{ path: '', component: AppComponent }]),
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
})
export class AppModule { }
JavaScript

输出:

Angular PrimeNG表的排序

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