优化页面跳转

src/components/layout/layout.vue

@@ -44,6 +44,7 @@ export default {
             headerHeight: 0,
             statusBarHeight: 0,
             bodyPaddingTop: 0,
+            backType: "back",
         };
     },
     components: {
@@ -106,15 +107,25 @@ export default {
         if (this.showHeader) {
             this.bodyPaddingTop = safePaddingTop;
         }
+        const pages = getCurrentPages();
+        if (pages.length < 2) {
+            this.backType = "home";
+        }
     },
     mounted() {},
     methods: {
         onClick() {
             if (this.customBtn) {
                 this.$emit("onClickBtn");
+            } else {
+                if (this.backType == "home") {
+                    uni.switchTab({
+                        url: "/pages/index/index",
+                    });
                 } else {
                     uni.navigateBack({ delta: 1 });
                 }
+            }
         },
         // changeCity() {
         //     console.log("修改城市");