uni-app 使用 this.setData({})

<script>
export default {
		data() {
			return {
                                sort_show: !1
				scanReachBottom: !1,
				unitid: 123,
                                数据..................................................................
                                
			}
		},
		methods: {
			setData: function(obj) {
			    let that = this;
			    let keys = [];
			    let val, data;
			    Object.keys(obj).forEach(function(key) {
			        keys = key.split(".");
			        val = obj[key];
			        data = that.$data;
			        keys.forEach(function(key2, index) {
			            if (index + 1 == keys.length) {
			                that.$set(data, key2, val);
			            } else {
			                if (!data[key2]) {
			                that.$set(data, key2, {});
			                }
			            }
			          data = data[key2];
			        });
			    });
			},

			active_nav:function(a) {
				var t = uni.$getAttr(a,"active_index");
				this.active_index != t ? this.setData({
				    sort_show: !0,
				    show_new: !1,
				    active_index: t,
				    brand_show: !1
				}) : this.setData({
				    sort_show: !1,
				    active_index: 0,
				    show_new: !1
				});
			}
		}
}
</script>