const app = getApp(); Page({ data: { goods_attribute: [] }, onLoad(params) { if ((params.data || null) == null) { swan.alert({ title: '温馨提示', content: '属性数据有误', buttonText: '返回', success: () => { swan.navigateBack(); } }); } else { this.setData({ goods_attribute: JSON.parse(params.data) }); } }, onShow() { swan.setNavigationBarTitle({ title: app.data.common_pages_title.goods_attribute }); } });