微信小程序 拼团商品倒计时（拼团列表、拼团商品详情）

直接上图：

拼团列表、拼团详情-倒计时

                                  

//单个倒计时，适用用于单个商品的倒计时

js文件：

//倒计时

function countDown(that) {

    var endTime = new Date(that.data.end_time.replace(/-/g, '/')).getTime();

    var nowTime = new Date().getTime();

    var total_second = endTime - nowTime;

    that.setData({

        clock: dateformat(total_second)

    });

    if (total_second <= ) {

        that.setData({

            clock: "已结束"

        });

    }

    setTimeout(function () {

        countDown(that);

    }, )

}

// 时间格式化输出，如11:03 25:19 每1s都会调用一次

function dateformat(micro_second) {

    // 总秒数

    var second = Math.floor(micro_second / );

    // 天数

    var day = Math.floor(second /  / );

    // 小时

    var hr = Math.floor(second /  % );

    var hrStr = hr.toString();

    if (hrStr.length == ) hrStr = '' + hrStr;

    // 分钟

    var min = Math.floor(second /  % );

    var minStr = min.toString();

    if (minStr.length == ) minStr = '' + minStr;

    // 秒

    var sec = Math.floor(second % );

    var secStr = sec.toString();

    if (secStr.length == ) secStr = '' + secStr;

    if (day <= ) {

        return "剩 " + hrStr + ":" + minStr + ":" + secStr;

    } else {

        return "剩 " + day + " 天 " + hrStr + ":" + minStr + ":" + secStr;

    }

}

var app=getApp()

Page({

    /**

     * 页面的初始数据

     */

    data: {

        vieComplete: false,

        spellDetail:{},

        end_time: '',

        clock: '',

        servicePhone: ''//咨询电话

    },

    /**

     * 生命周期函数--监听页面加载

     */

    onLoad: function (options) {

        var that = this

        wx.request({

            url: app.apiRoutes.getGroupBuyDetail,

            header: app.apiHeader,

            data:{

                id:options.id

            },

            success: function (res) {

                var data=res.data.data

                var lack_num = data.create_num - data.current_num

                data.lack_num = lack_num

                var description = data.goods.description == null ? '' : data.goods.description;

                WxParse.wxParse('description', 'html', description, that, );

                that.setData({

                    spellDetail:data,

                    end_time: data.end_time

                })

                //倒计时

                countDown(that);

            }

        })

})

//适用于商品列表倒计时/** * end_time int 结束时间 * param int 数组键 */

js文件：

//倒计时

function grouponcountdown(that, end_time, param) {

    var EndTime = new Date(end_time).getTime();

    var NowTime = new Date().getTime();

    var total_micro_second = EndTime - NowTime;

    var groupons = that.data.groupon;

    groupons[param].endtime = dateformat(total_micro_second);

    if (total_micro_second <= ) {

        groupons[param].endtime = "已结束"

    }

    that.setData({

        groupon: groupons

    })

    setTimeout(function () {

        grouponcountdown(that, end_time, param);

    }, )

}

// 时间格式化输出，每1s都会调用一次

function dateformat(micro_second) {

    // 总秒数

    var second = Math.floor(micro_second / );

    // 天数

    var day = Math.floor(second /  / );

    // 小时

    var hr = Math.floor(second /  % );

    var hrStr = hr.toString();

    if (hrStr.length == ) hrStr = '' + hrStr;

    // 分钟

    var min = Math.floor(second /  % );

    var minStr = min.toString();

    if (minStr.length == ) minStr = '' + minStr;

    // 秒

    var sec = Math.floor(second % );

    var secStr = sec.toString();

    if (secStr.length == ) secStr = '' + secStr;

    if (day <= ) {

        return "剩 " + hrStr + ":" + minStr + ":" + secStr;

    } else {

        return "剩 " + day + " 天 " + hrStr + ":" + minStr + ":" + secStr;

    }

}

var app=getApp()

Page({

  /**

   * 页面的初始数据

   */

  data: {

      groupon:[]

  },

  //拼团详情

  toSpellingDetail:function(e){

    wx.navigateTo({

        url: '/pages/spelling/spellingDetail?id='+e.currentTarget.id,

    })

  },

  /**

   * 生命周期函数--监听页面加载

   */

  onLoad: function (options) {

      app.showLoading();

      var that = this

      wx.request({

          url: app.apiRoutes.getGroupBuyList,

          header: app.apiHeader,

          success:function(res){

              var grouponList=res.data.data

              for (var i = ; i < grouponList.length; i++) {

                  var lack_num = grouponList[i].create_num - grouponList[i].current_num

                  grouponList[i].lack_num = lack_num

              }

              that.setData({

                  groupon: grouponList

              })

              var data = that.data.groupon

              //列表获取到数据进行遍历

              for (var i = ; i < data.length; i++) {

                  var end_time = data[i].end_time.replace(/-/g, '/')

                  grouponcountdown(that,end_time, i)

              }

              app.hideLoading();

          },

          fail:function(){

              app.hideLoading();

          }

      })

  },

本文参考于：https://blog.csdn.net/con_knife/article/details/79506327