1，html中

<ion-item> <div class="middle-content-order"> <div class="middle-order-icon"> <ion-icon name="chevron-up-outline" class="up-gray" item-right *ngIf="!isShow" (click)="isShow=!isShow"> </ion-icon> <ion-icon name="chevron-down-outline" class="down-gray" item-right *ngIf="isShow" (click)="isShow=!isShow"> </ion-icon> </div> <div class="middle-order-title"><span>复印纸</span></div> <div class="middle-order-null"></div> <div class="middle-order-detail"><span>查看全部</span></div> </div> </ion-item> <ion-list *ngIf="!isShow"> <div class="order-alert"> <div class='item-small'> <span> A3复印纸</span> </div> <div class='item-small'> <span> A3复印纸</span> </div> <div class='item-small'> <span> A3复印纸</span> </div> <div class='item-small'> <span> A3复印纸</span> </div> <div class='item-small'> <span> A3复印纸</span> </div> <div class='item-small'> <span> A3复印纸</span> </div> </div> </ion-list>

效果图

下面看下ionic3 模拟下拉 展开/收缩效果

<ion-header> <ion-navbar> <ion-title>user</ion-title> </ion-navbar></ion-header><ion-content> <ion-item> 用户信息<ion-icon name="ios-arrow-down" item-right *ngIf="isShow" (click)="isShow=!isShow"></ion-icon><ion-icon name="ios-arrow-forward" item-right *ngIf="!isShow" (click)="isShow=!isShow"></ion-icon> </ion-item> <ion-list *ngIf="isShow"> <ion-item *ngFor="let item of items" > 姓名：{{item.name}} 年龄：{{item.age}} </ion-item> </ion-list></ion-content>

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