update theme-change.uvue 添加注销监听逻辑

pages/API/theme-change/theme-change.uvue

@@ -45,11 +45,13 @@
     },
     methods: {
       bindOsThemeChange(): number {
+        //注册osTheme变化监听
         return uni.onOsThemeChange(function(res: OsThemeChangeResult) {
           this.osTheme = res.osTheme
         })
       },
       bindAppThemeChange(): number {
+        //注册appTheme变化监听
         return uni.onAppThemeChange(function(res: AppThemeChangeResult) {
           this.appTheme = res.appTheme
         })
@@ -84,6 +86,11 @@
       })
       this.osThemeChangeId = bindOsThemeChange()
       this.appThemeChangeId = bindAppThemeChange()
+    },
+    onUnload() {
+      //注销监听
+      uni.offAppThemeChange(this.appThemeChangeId)
+      uni.offOsThemeChange(this.osThemeChangeId)
     }
   }
 </script>