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微信小程序拍賣商品詳情頁設(shè)計(jì)與交互實(shí)現(xiàn)代碼(含倒計(jì)時、實(shí)時更新出價)

更新時間：2022年08月05日 09:05:59 作者：小李不背鍋

這篇文章主要介紹了微信小程序拍賣商品詳情頁設(shè)計(jì)與交互實(shí)現(xiàn)代碼(含倒計(jì)時、實(shí)時更新出價),本文通過示例代碼給大家介紹的非常詳細(xì)，對大家的學(xué)習(xí)或工作具有一定的參考借鑒價值，需要的朋友可以參考下

1、goods.wxml代碼

<!--商品詳情頁-->
<view class="container">
  <scroll-view class="main" scroll-y="true">
    <!--頂部輪播圖-->
    <swiper autoplay="true" indicator-dots="true">
      <block wx:for="{{goodsInfo.images}}" wx:key="index">
        <swiper-item>
          <image src="{{item}}" mode="heightFix"></image>
        </swiper-item>
      </block>
    </swiper>
    <!--商品標(biāo)題價格欄-->
    <view class="goodsPrice">
      <view style="margin-left: 30rpx;display: flex;align-items: center;">
        <image src="/image/goodsPrice.png" style="width: 30rpx;height: 30rpx;"></image>
        <text style="color: rgb(179, 6, 41);font-size: 50rpx;">{{goodsInfo.current_price}} </text>
        <!--倒計(jì)時-->
        <text wx:if="{{clock == '已經(jīng)截止'}}" style="margin-left: 60%;color: crimson;">{{clock}}</text>
        <text wx:else="" style="margin-left: 12%;font-size: 45rpx;color: crimson;">{{clock}}</text>
      </view>
 
      <view style="display: flex;overflow: hidden;white-space: nowrap;text-overflow: ellipsis; align-items: center;">
        <text style="font-size: 30rpx;margin-left: 30rpx;">起拍價 {{goodsInfo.start_price}}</text>
        <image src="{{publisher.avatarUrl}}" style="width: 50rpx;height: 50rpx;border-radius: 50%;margin-left: 35%;"></image>
        <text style="font-size: 30rpx;margin-left: 10epx;" decode="true">  {{publisher.nickName}} </text>
      </view>
 
      <view>
        <text style="margin-left: 30rpx;"> {{goodsInfo.name}} </text>
      </view>
    </view>
    <!--商品發(fā)布者和競拍記錄-->
    <scroll-view class="goodsAuctionRecord">
      <view style="text-align: center;">
        <text style="font-size: 40rpx;color: chocolate;">出價記錄</text>
      </view>
      <!--出價的用戶-->
      <block wx:for="{{auctionRecord}}" wx:key="index">
        <view>
          <text style="font-size: 24rpx;">{{item.auctionTimeFormat}}</text>
          <image src="{{item.userInfo.avatarUrl}}" style="width: 40rpx;height: 40rpx;border-radius: 50%;margin-left: 5%;"></image>
          <text decode="true"> {{item.userInfo.nickName}} 出價了</text>
          <text style="color: crimson; font-size: 40rpx;">{{item.putPrice}} 元</text>
        </view>
      </block>
 
    </scroll-view>
    <!--商品詳情描述-->
    <view class="describe">
      <rich-text>{{goodsInfo.describe}}</rich-text>
    </view>
  </scroll-view>
  <!--底部-->
  <view class="bottomContainer">
    <view>
      <image src="/image/jianhao.png" class="changePriceIcon" bindtap="downPrice"></image>
      <text class="addPrice">{{changePrice}}元</text>
      <image src="/image/add.png" class="changePriceIcon" style="width: 67rpx;height: 67rpx;margin-left: 36%;" bindtap="addPrice"></image>
      <text style="height: 100rpx;float: right;padding: 20rpx 40rpx;color: white;" bindtap="putPrice">出個價</text>
    </view>
  </view>
</view>

2、goods.wxss代碼

.container {
  bottom: 0;
  top: 0;
  left: 0;
  right: 0;
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: rgba(232, 234, 235, 0.89);
}
 
.main {
  width: 100%;
  height: 93%;
  top: 0;
  position: absolute;
  flex: 1;
  background-color: rgb(221, 221, 204);
}
 
swiper {
  height: 430rpx;
  background-color: white;
}
 
swiper-item {
  text-align: center;
  width: 100%;
  height: 100%;
}
 
swiper-item image {
  border-radius: 15rpx;
  height: 100%;
}
 
.goodsPrice {
  margin-top: 15rpx;
  width: 96%;
  margin-left: 2%;
  border-radius: 25rpx;
  border: aliceblue solid 1px;
  background-color: aliceblue;
  box-shadow: 4px 4px 15px rgb(180, 223, 202);
}
 
.goodsAuctionRecord {
  margin-top: 15rpx;
  width: 96%;
  height: auto;
  margin-left: 2%;
  border-radius: 25rpx;
  border: rgb(235, 238, 241) solid 1px;
  background-color: aliceblue;
  box-shadow: 4px 4px 15px rgb(180, 223, 202);
}
 
.describe {
  margin-top: 15rpx;
  width: 96%;
  margin-left: 2%;
  border-radius: 25rpx;
  border: rgb(235, 238, 241) solid 1px;
  background-color: aliceblue;
  box-shadow: 4px 4px 15px rgb(180, 223, 202);
}
 
.bottomContainer {
  position: absolute;
  top: 93%;
  width: 100%;
  height: 5%;
  white-space: nowrap;
  word-break:keep-all;
}
 
.addPrice {
  position: fixed;
  background-color: rgb(8, 8, 8);
  color: white;
  border-radius: 30px;
  margin-left: 4%;
  margin-top: 17rpx;
  padding: 10rpx 10% 10rpx 10%;
}
.changePriceIcon{
  width: 60rpx;
  height: 60rpx;
  margin-left: 4%;
  padding-top: 12rpx;
}

3、goods.js代碼

var goods_id
var myTime //計(jì)數(shù)器
Page({
  data: {
    goodsInfo: null,
    publisher: null,
    auctionRecord: null,
    clock: '',
    changePrice: null //出價
  },
  onLoad(options) {
    let goodsId = options.goodsid
    //將id存起來給onshow用
    goods_id = goodsId
    //獲取商品信息
    this.getGoodsInfo(goodsId)
    //倒計(jì)時
    this.countdown(goodsId)
  },
  onShow() {
    this.getGoodsInfo(goods_id)
    this.getAuctionRecord()
  },
  onUnload() {
    //清楚計(jì)時器
    clearInterval(myTime)
  },
  onHide() {
    //清楚計(jì)時器
    clearInterval(myTime)
  },
  //查詢所有商品
  getGoodsInfo(goodsId) {
    wx.cloud.database().collection('goods').doc(goodsId).get({
      success: (res) => {
        this.setData({
          goodsInfo: res.data,
          changePrice: res.data.current_price + 1
        })
        //根據(jù)發(fā)布者id去用戶表中查詢商品發(fā)布者信息
        wx.cloud.database().collection('userInfo').doc(res.data.publisher_id).get({
          success: (res) => {
            this.setData({
              publisher: res.data
            })
          }
        })
      }
    })
  },
  //底部加減價格
  addPrice() {
    var price = this.data.changePrice
    price++
    this.setData({
      changePrice: price
    })
  },
  downPrice() {
    var price = this.data.changePrice
    if (price > this.data.goodsInfo.current_price + 1) {
      price--
      this.setData({
        changePrice: price
      })
    } else {
      wx.showToast({
        title: '出價應(yīng)當(dāng)高于當(dāng)前價！',
        icon: 'none'
      })
    }
  },
  //競拍者出價
  putPrice() {
    //獲取出價
    let price = this.data.changePrice
    //獲取出價用戶
    let userInfo = wx.getStorageSync('userInfo')
    //獲取出價時間
    let nowTime = new Date().getTime()
    //轉(zhuǎn)化為時間格式
    var util = require("../../util/time_transform.js")
    let timeFormat = util.js_date_time(nowTime)
    //彈窗確認(rèn)
    wx.showModal({
      title: '確認(rèn)出價',
      content: '價高者得，競拍結(jié)束價高者可在競拍記錄中查看賣家聯(lián)系信息，感謝您的參與！',
      success: (res) => {
        if (res.confirm) {
          wx.showLoading({
            title: '正在出價...',
          })
          //保存競拍記錄到數(shù)據(jù)庫
          wx.cloud.database().collection('goodsAuctionRecord').add({
              data: {
                goodsID: goods_id,
                userInfo: userInfo,
                putPrice: price,
                auctionTime: nowTime,
                auctionTimeFormat: timeFormat
              },
              success: res => {}
            }),
            //更新當(dāng)前價
            wx.cloud.database().collection('goods').doc(goods_id).update({
              data: {
                current_price: price
              }
            })
          let _this = this
          setTimeout(function () {
            wx.hideLoading({
              success: (res) => {
                //刷新頁面數(shù)據(jù)
                _this.onShow()
              }
            })
          }, 1000)
        } else {
          console.log('取消')
        }
      }
    })
  },
  //獲取商品用戶競拍記錄
  getAuctionRecord() {
    wx.cloud.database().collection('goodsAuctionRecord').where({
      goodsID: goods_id
    }).get({
      success: (res) => {
        this.setData({
          auctionRecord: res.data
        })
      }
    })
  },
  //獲取競拍結(jié)束時間，并計(jì)算倒計(jì)時
  countdown(goodsId) {
    wx.cloud.database().collection('goods').doc(goodsId).get({
      success: res => {
        //取出競拍結(jié)束時間，精確到秒
        let auctionEndtime = res.data.end_time
        console.log(res)
        //獲取當(dāng)前系統(tǒng)時間,只精確到秒
        var nowTime = new Date().getTime() / 1000
        //剩余時間總的秒數(shù)
        var totalSecond = Math.floor(auctionEndtime - nowTime)
        console.log('剩余秒數(shù)', totalSecond)
        //計(jì)算倒計(jì)時
        this.doCountdown(totalSecond)
      }
    })
  },
  //計(jì)算商品倒計(jì)時
  doCountdown(totalSecond) {
    let _this = this
    //每隔一秒執(zhí)行一次代碼
    myTime = setInterval(function () {
      //如果競拍已經(jīng)結(jié)束
      if (totalSecond < 0) {
        _this.setData({
          clock: '已經(jīng)截止'
        })
        clearInterval(myTime)
        return
      } else {
        //執(zhí)行計(jì)算
        var time = _this.formatTime(totalSecond)
        _this.setData({
          clock: '剩余' + time
        })
      }
      totalSecond--;
    }, 1000)
  },
  //倒計(jì)時時間格式化
  formatTime(totalSecond) {
    //剩余天數(shù)
    var day = Math.floor(totalSecond / 3600 / 24)
    //n天后剩余小時數(shù)
    var hour = Math.floor(totalSecond / 3600 % 24)
    //n天n小時后剩余分鐘數(shù)
    var min = Math.floor(totalSecond / 60 % 60)
    //n天n小時n分鐘后剩余秒數(shù)
    var sec = Math.floor(totalSecond % 60)
    return day + "天" + hour + "小時" + min + "分" + sec + "秒"
  }
})

4、時間轉(zhuǎn)化js代碼

在util 下面新建一個time_transform.js文件

//時間戳轉(zhuǎn)換成日期時間，傳入時間精確到毫秒
function js_date_time(unixtime) {
  var date = new Date(unixtime)
  var y = date.getFullYear();
  var m = date.getMonth() + 1;
  m = m < 10 ? ('0' + m) : m;
  var d = date.getDate();
  d = d < 10 ? ('0' + d) : d;
  var h = date.getHours();
  h = h < 10 ? ('0' + h) : h;
  var minute = date.getMinutes();
  var second = date.getSeconds();
  minute = minute < 10 ? ('0' + minute) : minute;
  second = second < 10 ? ('0' + second) : second;
  return y + '-' + m + '-' + d + ' ' + h + ':' + minute + ':' + second;//年月日時分秒
  // return y + '-' + m + '-' + d + ' ' + h + ':' + minute;
  // return y + '-' + m + '-' + d;
}
module.exports = {
  js_date_time: js_date_time
}

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