根据Primeng Docs。
自定义内容
https://primefaces.org/primeng/showcase/#/dropdown
<p-dropdown [options]="cars" [(ngModel)]="selectedCar" [style]="{'width':'150px'}">
<ng-template let-item pTemplate="selectedItem">
<img src="assets/showcase/images/demo/car/{{item.label}}.png" style="width:16px;vertical-align:middle" />
<span style="vertical-align:middle">{{item.label}}</span>
</ng-template>
<ng-template let-car pTemplate="item">
<div class="ui-helper-clearfix" style="position: relative;height:25px;">
<img src="assets/showcase/images/demo/car/{{car.label}}.png" style="width:24px;position:absolute;top:1px;left:5px"/>
<div style="font-size:14px;float:right;margin-top:4px">{{car.label}}</div> </div>
</ng-template>
</p-dropdown>
`import {SelectItem} from 'primeng/api';
导出类 MyModel {
cars: SelectItem[];
selectedCar: string;
constructor() {
this.cars = [
{label: 'Audi', value: 'Audi'},
{label: 'BMW', value: 'BMW'},
{label: 'Fiat', value: 'Fiat'},
{label: 'Ford', value: 'Ford'},
{label: 'Honda', value: 'Honda'},
{label: 'Jaguar', value: 'Jaguar'},
{label: 'Mercedes', value: 'Mercedes'},
{label: 'Renault', value: 'Renault'},
{label: 'VW', value: 'VW'},
{label: 'Volvo', value: 'Volvo'},
];
}
}`