import { VantComponent } from '../common/component'; const PRESETS = ['error', 'search', 'default', 'network']; VantComponent({ props: { description: String, image: { type: String, value: 'default', }, }, created() { if (PRESETS.indexOf(this.data.image) !== -1) { this.setData({ imageUrl: `https://img.yzcdn.cn/vant/empty-image-${this.data.image}.png`, }); } else { this.setData({ imageUrl: this.data.image }); } }, });