From 00bf17838b496e6fcfed2e521f9c27f8f0e3e3c7 Mon Sep 17 00:00:00 2001
From: liukangdong <898885815@qq.com>
Date: 星期一, 05 八月 2024 18:38:20 +0800
Subject: [PATCH] ‘’

---
 wechat_jiaxuan/components/disProduct/index.js |   74 ++++++++++++++++++++++++++++++++++--
 1 files changed, 69 insertions(+), 5 deletions(-)

diff --git a/wechat_jiaxuan/components/disProduct/index.js b/wechat_jiaxuan/components/disProduct/index.js
index 0ca5b83..36c966b 100644
--- a/wechat_jiaxuan/components/disProduct/index.js
+++ b/wechat_jiaxuan/components/disProduct/index.js
@@ -1,4 +1,6 @@
 import { getCatalogList, getCataLogTagList, getZhongTaiProductPage } from '../../api/index'
+import { eventBus } from '../../utils/eventBus'
+let touchDot = 0
 Component({
   /**
    * 缁勪欢鐨勫睘鎬у垪琛�
@@ -11,6 +13,10 @@
    * 缁勪欢鐨勫垵濮嬫暟鎹�
    */
   data: {
+    // 鍔ㄧ敾
+    showTouch: true,
+    animationData: {},
+
     activeIndex: -1,
     activeParam: [],
     tagCodes: [],
@@ -23,7 +29,33 @@
     total: 0,
     query: '',
     sortType: '',
-    catalogCode: ""
+    catalogCode: "",
+    scrollTop: 0
+  },
+  pageLifetimes: {
+    show: function() {
+      // 椤甸潰琚睍绀�
+      console.log('缁勪欢琚睍绀�');
+      eventBus.once('productDeBack', (info) => {
+        const datalist = this.data.datalist
+        datalist.forEach(item => {
+          if(item.id === info.id){
+            console.log(item)
+            console.log(info)
+            if(item.isCollection != info.isCollection){
+              if(!item.isCollection){ 
+                item.collectCount = (item.collectCount || 0)+1
+              }else if(item.collectCount >0){
+                item.collectCount = (item.collectCount || 0)-1
+              }             
+            }
+            item.isCollection = info.isCollection
+            item.viewCount =(item.viewCount||0) +1
+          }
+        })
+        this.setData({ datalist })
+      })
+    },
   },
   attached() {
     this.getCatelist()
@@ -35,8 +67,44 @@
         getApp().globalData.catalogCode = ''
       }, 2000)
     }
+    this.animation = wx.createAnimation({
+      duration: 600,
+      timingFunction: 'ease',
+    });
   },
   methods: {
+    bindscrolltoupper() {
+      this.setData({ showTouch: true })
+      this.fadeIn();
+    },
+    touchstart(e){
+      touchDot = e.detail.scrollTop;
+    },
+    touchmove(e) {
+      var touchMove = e.detail.scrollTop;
+      if(touchMove - touchDot > 60){
+        this.fadeOut();
+      }
+      if(touchDot - touchMove > 60){
+        this.fadeIn();
+        this.setData({ showTouch: true })
+      }
+    },
+    fadeIn: function () {
+      this.animation.opacity(1).step();
+      this.setData({
+        animationData: this.animation.export()
+      });
+    },
+    fadeOut: function () {
+      this.animation.opacity(0).step();
+      this.setData({
+        animationData: this.animation.export()
+      });
+      setTimeout(() => {
+        this.setData({ showTouch: false });
+      }, 500); // 鍔ㄧ敾鎸佺画鏃堕棿
+    },
     getCatelist() {
       getCatalogList({
         catalogCode: 'product_intro'
@@ -94,10 +162,6 @@
           icon: 'none'
         })
       }
-    },
-    scrolltoupper() {
-      this.setData({ pageNum: 1, datalist: [], total: 0 })
-      this.getList()
     },
     cateClick(e) {
       var {isLoading} = this.data

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