试试我的例子:
这是我的更新代码,没有分页器并使用 virtualScroll
<p-dataTable [value]="resultsArr" scrollable="true" scrollHeight="100px" [rows]="4" virtualScroll="virtualScroll" [style]="{'margin-top':'30px'}" [lazy]="true" [totalRecords]="results.length" (onLazyLoad)="lazyLoad($event)">
<p-column header="Id">
<ng-template pTemplate="body" let-index="rowIndex">
{{index}}
</ng-template>
</p-column>
<p-column selectionMode="multiple" [style]="{'width':'5%'}"></p-column>
<p-column field="name" header="Name"[sortable]="true"></p-column>
<p-column field="age" header="Age" [sortable]="true"></p-column>
<p-column field="company" header="Company" [sortable]="true"></p-column>
</p-dataTable>
组件.ts
export class Component {
private results: Array<any> = []; // have 15+ objects in this array
private resultsArr: Array<any> = [];
constructor() {
this.results = [{
name: "david",
age: 26,
company: "XYz Company"
}, {
name: "david",
age: 26,
company: "XYz Company"
}, {
name: "david",
age: 26,
company: "XYz Company"
}, {
name: "david",
age: 26,
company: "XYz Company"
}, {
name: "david",
age: 26,
company: "XYz Company"
}, {
name: "david",
age: 26,
company: "XYz Company"
}]
}
lazyLoad(event: any) {
setTimeout(() => {
if (this.results) {
this.resultsArr = this.results.slice(event.first, (event.first + event.rows));
}
}, 250);
}
}
组件.html
<p-dataTable [value]="resultsArr" [lazy]="true" [totalRecords]="results.length" [responsive]="true"
[paginator]="true" (onLazyLoad)="lazyLoad($event)" [rows]="5" [filterDelay]="500"
[rowsPerPageOptions]="[5,10,20]" sortField="first_name" [sortOrder]="1">
<p-column field="id" header="#" [sortable]="true" styleClass="columnId" [filter]="true"></p-column>
<p-column field="first_name" header="First Name" [sortable]="true"></p-column>
<p-column field="last_name" header="Last Name" [sortable]="true"></p-column>
</p-dataTable>