进一步优化购物车页面

src/pages/service/cart.vue

@@ -87,11 +87,24 @@ export default {
             isLogin: "user/isLogin",
         }),
     },
-    async onLoad() {
+    onLoad() {
         if (!this.isLogin) {
             this.$store.commit("user/showLoginModal", true);
             return;
         }
+        this.initPage();
+    },
+    onShow() {},
+    onReady() {},
+    onReachBottom() {},
+    onPullDownRefresh() {},
+    onShareTimeline() {},
+    onShareAppMessage() {},
+    methods: {
+        /**
+         * 初始化页面
+         */
+        async initPage(e) {
             await this.$store.dispatch("cart/update");
             this.list = [];
             this.cart.list.forEach((item) => {
@@ -116,13 +129,9 @@ export default {
                 });
             });
         },
-    onShow() {},
-    onReady() {},
-    onReachBottom() {},
-    onPullDownRefresh() {},
-    onShareTimeline() {},
-    onShareAppMessage() {},
-    methods: {
+        /**
+         * 选中组
+         */
         checkGroup(parentIndex) {
             let currentItem = this.list[parentIndex];
             let currentState = !currentItem.checked;
@@ -130,7 +139,9 @@ export default {
                 this.checkItem(parentIndex, itemIndex, currentState);
             });
         },
-        // 选中单项
+        /**
+         * 选中单项
+         */
         checkItem(parentIndex, itemIndex, state) {
             let currentItem = this.list[parentIndex].list[itemIndex];
             let currentState = typeof state === "undefined" ? !currentItem.checked : state;
@@ -198,7 +209,6 @@ export default {
                     for (let i = 0; i < itemIndexes.length; i++) {
                         let currentItem = parentItem.list[itemIndexes[i]];
                         await that.$models.cart.delete(currentItem.id).then(() => {
-                            that.$store.dispatch("cart/update", true);
                             parentItem.list.splice(itemIndexes[i], 1);
                             if (parentItem.list.length > 0) {
                                 that.updateTotal(parentIndex);
@@ -207,6 +217,14 @@ export default {
                             }
                         });
                     }
+                    let hasChecked = false;
+                    parentItem.list.forEach((item) => {
+                        if (item.checked) {
+                            hasChecked = true;
+                        }
+                    });
+                    parentItem.canUse = hasChecked;
+                    that.$store.dispatch("cart/update", true);
                 },
             });
         },