监听物理返回an按钮

src/pages/gameOrder/gameOrder.vue

@@ -146,6 +146,7 @@ export default {
     },
     goBack() {
       console.log('游戏排行榜的物理返回按钮')
+      wx.miniProgram.postMessage({ data: { behavior: 'back'} })
     },
     init() {
       const self = this;