filter.html

<ion-content>
    <div class="padding-20-10">
        <ion-row>
            <ion-col col-4 *ngFor="let item of list" (click)="choose = item">
                <div class="item-style" [ngClass]="choose == item?'select':''">
                    {{item}}
                </div>
            </ion-col>
        </ion-row>
        <button style="margin-top: 50px" class="margin-5" small color="danger" ion-button (click)="dismiss()">确定</button>
    </div>
</ion-content>