Fix：5249 【商城小程序】抽奖海报弹窗设置：每次进入小程序时弹窗。当前效果：切换页面回到首页就会弹窗（过于频繁

pages/home/index.vue

@@ -872,18 +872,35 @@ export default {
     changeOldPopup(state) {
       this.isOldUser = state
     },
+    hasShownDrawPosterInSession() {
+      const app = getApp && getApp()
+      return Boolean(app && app.globalData && app.globalData.homeDrawPosterShownInSession)
+    },
+    markDrawPosterShownInSession() {
+      const app = getApp && getApp()
+      if (!app) return
+      if (!app.globalData) {
+        app.globalData = {}
+      }
+      app.globalData.homeDrawPosterShownInSession = true
+    },
     initPosterPopupState(data = {}) {
       const drawEntranceConfig = data.drawEntranceConfig || {}
       this.$set(this, 'drawEntranceConfig', drawEntranceConfig)
       const hasDrawPoster = Number(drawEntranceConfig.homePosterEnable) === 1
+      const hasShownDrawPosterInSession = this.hasShownDrawPosterInSession()
+      const shouldShowDrawPoster = hasDrawPoster && !hasShownDrawPosterInSession
+      if (shouldShowDrawPoster) {
+        this.markDrawPosterShownInSession()
+      }
       this.canShowOldPoster = Boolean(
         (data.isOldUserPopupShow || 0) &&
         data.oldUserPopup &&
         data.oldUserPopup.image &&
         (data.lotteryCanDraw || false) 
       )
-      this.isDrawPosterVisible = hasDrawPoster
-      this.isOldUser = !hasDrawPoster && this.canShowOldPoster
+      this.isDrawPosterVisible = shouldShowDrawPoster
+      this.isOldUser = !shouldShowDrawPoster && !hasShownDrawPosterInSession && this.canShowOldPoster
     },
     showNextPoster() {
       if (!this.isDrawPosterVisible && this.canShowOldPoster) {