EasyUI 虚拟滚动(Virtual Scroll)

组合框 ComboBox

源代码

import { Component } from '@angular/core';

@Component({
	selector: 'app-root',
	template: `
		<h2>Virtual Scroll</h2>
		<p>The Virtual Scroll allows the ComboBox to display millions of items.</p>
		<eui-combobox valueField="id" textField="name"
				[virtualScroll]="true"
				[data]="data" 
				[total]="total" 
				[pageSize]="pageSize" 
				[rowHeight]="rowHeight"></eui-combobox>
	`
})
export class AppComponent {
	data: any[] = [];
	total: number = 10000;
	pageSize: number = 20;
	rowHeight: number = 30;

	ngOnInit() {
		for(let i=0; i<this.total; i++){
			this.data.push({
				id: i,
				name: 'Item'+i
			});
		}
	}
}

import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { BrowserModule } from '@angular/platform-browser';
import { HttpModule } from '@angular/http';
import { EasyUIModule } from 'easyui/easyui/easyui.module';


import { AppComponent }   from './app.component';

@NgModule({
  bootstrap: [
    AppComponent
  ],
  declarations: [
    AppComponent
  ],
  imports: [
    FormsModule,
    BrowserModule,
    HttpModule,
    EasyUIModule
  ]
})
export class AppModule { }

import { enableProdMode } from '@angular/core';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';

enableProdMode();

platformBrowserDynamic().bootstrapModule(AppModule);