Component({ properties: { items: { type: Array, value: new Array() }, height: { type: String, value: "60rpx" }, bgColor: { type: String, default: "#F8F8F8" }, color: { type: String, value: "#3688FF" }, fontSize: { type: String, value: "26rpx" }, current: { type: Number, value: 0 }, }, methods: { changeSC: function (e) { var t = Number(e.currentTarget.dataset.index); this.triggerEvent("change", t), this.setData({ current: t }); }, }, });