wxd / MShopWeApp

var auth = require("../../../utils/auth.js"),
  rq = require("../../../utils/request.js");
var e = getApp(),
  app = e,
  i = require("../../../utils/util.js"),
  ut = i,
  s = e.globalData.setting, 
  os = s,
  app_d = e.globalData;
var regeneratorRuntime = require('../../../utils/runtime.js');
Page({
 
  /**
   * 页面的初始数据
   */
  data: {
    sw_index: 0, //轮播的下标控制
    url: s.url, //接口网址
    iurl: s.imghost,
    endDate: "", //活动结束时间
    activity_data: "25:20:59", //活动剩余时间
    task_number: 0, //任务数
    is_task: 0, //历史记录与任务
    aitem: "", //活动的轮播图数据
    switch_head: 0, //0：我的任务，1：记录
    help_id: "", //活动的id    canvasHidden: 0, //分享图片是否已经生成
    gid: "",
    timer: null, //全局的定时器
    user_task_list: null, //会员列表
    taskid: "", //任务id
    usercount: 0, //参与的人数
    dismantle: null, //帮拆记录数据集
    is_user_task:null,//判断是不是领取的任务
    zzjx_id:"",//真正进行的任务id
    //*********************************************start钱
    canvasHidden: 0, //分享图片是否已经生成
    is_share: 0, //是否显示画布
    shareImgPath: [], //生成的图片
    screenWidth: "", //用户的屏幕宽度
    gid: "",
    images: ["miniapp/images/friendhelp/help.png", "miniapp/images/friendhelp/background.png", "miniapp/images/friendhelp/no_check.png",
      "miniapp/images/friendhelp/check.png", "miniapp/images/friendhelp/unfinished.png",
      "/public/upload/libao/temp/2019/12-20/51f251f44ea0f67b8efdc5bfa3a434b0.jpg"
    ], //固的分享图片
    dynamic: [], //已助力的微信头像数组
    is_generate: 0, //是否重复点击拆一拆
    already: 0, //已有几人助力
    lack: 0, //还差几人助力
    zltime: "", //助力时间
    //*********************************************end
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function(options) {
    var help_id = options.help_id;
    var th = this;
    th.setData({
      help_id: help_id
    });
    //start 钱
    if (options.gid != undefined) {
      th.setData({
        gid: options.gid
      })
    }
    th.close();
    th.syinfo();
    // th.imageinfo();
    //end
  },


  //选中任务保存
  add_onlicke: function(e) {
    var th = this;
    var taskid = e.target.dataset.taskid;
    console.log("任务id5555555", taskid);
    var help_id = th.data.help_id;
    var user_id = getApp().globalData.user_id;
    var stoid = os.stoid
    getApp().request.json_post("/api/weshop/marketing/help/help/task/insert", {
        helpId: help_id,
        userId: user_id,
        storeId: stoid,
        taskId: taskid
      },
      function(res) {

        if (res.data.code == 0) {
          console.log(res.data.data);
          getApp().my_warnning(res.data.data, 1, th);
        } else {
          getApp().my_warnning(res.data.msg, 0, th);
        }
      }

    )

  },



  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function() {
    this.data.is_timer = 1;
    var th = this;
    var help_id = th.data.help_id;
    var user_id = getApp().globalData.user_id;

    /*-----助力活动（判断）-----*/
    rq.get("/api/weshop/marketing/help/act/judge", {
      data: {
        userId: user_id,
        storeId: os.stoid
      },
      success: function(res) {
        if (res.data.code == 0) {

          var help_data = res.data.data;
          console.log('助力活动（判断）', res.data.data);
          th.setData({
            endDate: help_data.endDate,
          });

        }
      }
    });


    /*-----获取助力活动的任务-----*/
    rq.get("/api/weshop/marketing/help/help/task/page", {
      data: {
        helpId: help_id,
        storeId: os.stoid
      },
      success: function(su) {
        var data = su.data;
        if (data.code != 0) {
          getApp().my_warnning(data.msg, 0, th);
          return false;
        }
        if (data.code == 0) {
          //轮播图的数据
          var data_aissa = data.data.pageData;
          //当前时间戳
          var nt = ut.gettimestamp();

          data_aissa.forEach(function(val, ind) {

            //已开始
            if (val.start_time < nt && val.end_time > nt) data_aissa[ind].status = 0;
            //未开始
            else if (val.start_time > nt && val.end_time > nt) data_aissa[ind].status = 1;
            //已结束
            else if (val.start_time < nt && val.end_time < nt) data_aissa[ind].status = 2;
          });
          var task_number = data_aissa[0].giftQty - data_aissa[0].useGiftQty;
          var taskid = data_aissa[0].id;
          console.log("参考", data_aissa);
          th.setData({
            aitem: data_aissa,
            task_number: task_number,
            taskid: taskid
          });
          //判断是不是领取的任务
          th.get_user_task();

        }

      }
    })
    // 分享的
    // setTimeout(function() {
    //   th.shareFrends();
    // }, 1000)
    //任务时间 设置全局定时器
    th.data.timer = setInterval(function() {
      th.countDown();
    }, 1000);
    //会员任务列表
    this.user_task_list();
    // 获取会员的参与的任务列表 我的任务
    this.get_user_task_num();
    
  },






  //帮拆记录的
  dismantle_record: function(e) {
    var aitem = this.data.aitem; //任务的数据集
    var sw_index = this.data.sw_index; //轮播的下标
    //任务id
    var taskid = aitem[sw_index].id;
    console.log("任务id", taskid);
    var th = this;
    var index = 1; //获取当前选择的是任务还是活动说明
    var is_task = this.data.is_task; //0任务，1帮拆
    if (is_task == undefined || is_task==null){
      is_task=1;
    }
    var switch_head=this.data.switch_head;
    if (switch_head == undefined || switch_head== null){
      switch_head=1;
    }
   
    console.log("0任务，1帮拆", is_task, );
    this.setData({
      is_task: 1,
      switch_head:1
    });
    rq.get("/api/weshop/marketing/help/help/task/involve/page", {
      data: {
        taskId: taskid,
        userId: getApp().globalData.user_id,
        storeId: os.stoid
      },
      success: function(res) {

        if (res.data.code == 0) {
          var dismantle = res.data.data.pageData[0].zlHelpUser;
          console.log(dismantle.toString, "帮拆记录",dismantle[0].nickName);
         
          th.setData({
            dismantle: dismantle
          });
        }else{
          th.setData({
            dismantle:null
          });
        }
      }

    })
  },
  // 领取礼包
  get_libao: function (e) {
    var libao_id = e.currentTarget.dataset.libaoid;
    var completeid = e.currentTarget.dataset.completeid;
    console.log("礼包id", libao_id);
    getApp().goto("/pages/user/assistance/giftpacklist?libao_id=" + libao_id + "&is_libao=" + 1 + "&completeid=" + completeid);
  },
  //查看礼包id
  select_libao: function () {
    var libao_id = e.currentTarget.dataset.libaoid;
    getApp().goto("/pages/user/assistance/giftpacklist?libao_id=" + libao_id + "&is_libao=" + 0);
  },

  //划动的时候监听
  onSli: function(e) {
    var th = this;
    var ind = e.detail.current;
    var aitem = this.data.aitem;
    var task_number = aitem[ind].giftQty - aitem[ind].useGiftQty;
    var task_id = aitem[ind].id;
    console.log("划动的任务总数", task_number, "任务所有的参数", aitem,
     "任务id",task_id);
    th.setData({
      sw_index: ind,
      task_number: task_number,
      taskid: task_id
    });
   
    if (this.data.switch_head==1){
      //判断有没有帮拆记录
      this.dismantle_record();
    }
    //判断是不是领取的任务
    th.get_user_task();

  },
  //导航球
  close: function() {
    var th = this;
    var nav_b = th.selectComponent("#nav_b"); //组件的id
    nav_b.close_box();
    nav_b.set_name("助力", "");
  },
  // 获取会员的参与的任务列表 我的任务
  user_task_list: function(e) {
    
    var th = this;
    
    var index = 0;
    var is_task = this.data.is_task; //0任务，1帮拆
    if (is_task == undefined || is_task==null){
      is_task=0;
    }
    var switch_head = this.data.switch_head;
    if (switch_head == undefined || switch_head == null) {
      switch_head = 0;
    }
    this.setData({
      is_task: index,
      switch_head: index
    });
    var help_id = th.data.help_id;
    var user_id = getApp().globalData.user_id;
    rq.get("/api/weshop/marketing/help/help/user/page", {
      data: {
        helpId: help_id,
        storeId: os.stoid,
        userId: user_id
      },
      success: function(su) {
        
        if (su.data.code == 0) {
          var user_list = su.data.data.pageData;
          console.log("会员列表", user_list);
          th.setData({
            user_task_list: user_list
          });
        } else {
          th.setData({
            user_task_list: null
          });
        }
      }
    })
  },
  //判断是否有领取任务 获取正在进行中的任务
  get_user_task:function(){
    var user_id = getApp().globalData.user_id;
    var th=this;
    var aitem= th.data.aitem;
    var sw_index=th.data.sw_index;
    console.log(sw_index,"判断是否有领取任务", aitem);
    var taskid = aitem[sw_index].id
    console.log("判断是否有领取任务 任务的id", taskid);
    rq.get("/api/weshop/marketing/help/help/task/get",{
      data:{
        storeId: os.stoid,
        userId: user_id,
        taskId: taskid 
      },
      success: function (res) {
        if (res.data.code==0){
          var is_usertask=res.data.data;
          console.log('判断是不是领取的任务', is_usertask);
          th.setData({is_user_task: is_usertask});
       }
      }
    })
  },
  //获取助力活动参与的人数
  get_user_task_num:function(){
    var th = this;
    var help_id = th.data.help_id;
    rq.get("/api/weshop/marketing/help/involve/help/act/people/count", {
      data: {
        helpId: help_id,
        storeId: os.stoid,
      },
      success: function(su) {
        console.log(su.data.code, "获取助力活动参与的人数", su.data)
        if (su.data.code == 0) {
          var usercount = su.data.data.countAll;

          th.setData({
            usercount: usercount
          });
        } 
      }
    })

  },
  //轮播卡死的重置
  changeGoodsSwip: function(detail) {
    if (detail.detail.source == "touch") {
      //当页面卡死的时候，current的值会变成0 
      if (detail.detail.current == 0) {
        //有时候这算是正常情况，所以暂定连续出现3次就是卡了
        let swiperError = this.data.swiperError
        swiperError += 1
        this.setData({
          swiperError: swiperError
        })
        if (swiperError >= 3) { //在开关被触发3次以上
          console.error(this.data.swiperError)
          this.setData({
            sw_index: this.data.preIndex
          }); //，重置current为正确索引
          this.setData({
            swiperError: 0
          })
        }
      } else { //正常轮播时，记录正确页码索引
        this.setData({
          preIndex: detail.detail.current
        });
        //将开关重置为0
        this.setData({
          swiperError: 0
        })
      }
    }
  },

  // 轮播图点击左边
  click_pre: function() {
    var index = this.data.sw_index;
    index--;
    if (index < 0) return;
    var aitem = this.data.aitem;
    var task_number = aitem[index].giftQty - aitem[index].useGiftQty;
    var task_id = aitem[index].id;
    console.log("轮播图点击左边");
    this.setData({
      sw_index: index,
      task_number: task_number,
      taskid: task_id
    })
    if (this.data.switch_head == 1) {
      //判断有没有帮拆记录
      this.dismantle_record();
    }
    //判断有没有领取任务
    this.get_user_task();
  },
  //轮播图点击右边
  click_next: function() {

    var index = this.data.sw_index;
    index++;
    if (index >= this.data.aitem.length) return;
    var aitem = this.data.aitem;
    var task_number = aitem[index].giftQty - aitem[index].useGiftQty;
    var task_id = aitem[index].id;
    console.log("轮播图点击右边");
    this.setData({
      sw_index: index,
      task_number: task_number,
      taskid: task_id
    })
    if (this.data.switch_head == 1) {
      this.dismantle_record();
    }
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function() {
    //--清理定时器--
    console.log("清理定时器");
    clearInterval(this.timer);
  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function() {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function() {

  },
  //----助力任务的时间-----
  countDown() {
    if (!this.data.is_timer) return false;
    var th = this;
    // 获取当前时间，同时得到活动结束时间数组
    var newTime = ut.gettimestamp();
    var List = this.data.aitem;
    for (var j = 0; j < List.length; j++) {
      var o = List[j];

      // 对结束时间进行处理渲染到页面

      // var o = endTimeList[i];
      var endTime = o.endDate

      // if (o.status == 0) endTime = o.start_time

      var obj = null;
      // 如果活动未结束，对时间进行处理
      if (endTime - newTime > 0) {

        var time = (endTime - newTime);
        // 获取天、时、分、秒
        var day = parseInt(time / (60 * 60 * 24));
        var hou = parseInt(time % (60 * 60 * 24) / 3600);
        var min = parseInt(time % (60 * 60 * 24) % 3600 / 60);
        var sec = parseInt(time % (60 * 60 * 24) % 3600 % 60);
        obj = {
          day: this.timeFormat(day),
          hou: this.timeFormat(hou),
          min: this.timeFormat(min),
          sec: this.timeFormat(sec)
        }
      } else {

        //活动已结束，全部设置为'00'
        obj = {
          day: '00',
          hou: '00',
          min: '00',
          sec: '00'
        }
      }
      var txt = "aitem[" + j + "]djs";
      th.setData({
        [txt]: obj
      });


    }
    setTimeout(th.countDown, 1000);

  },
  //---小于10的格式化函数----
  timeFormat(param) {
    return param < 10 ? '0' + param : param;
  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function() {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function() {

  },
  shareFrends: function(e) {
    var th = this;
    var scene = th.data.gid;
    ///二微码
    // var path3 = os.url + "/api/wx/open/app/user/getWeAppEwm/" +
    //   a.stoid + "?sceneValue=" + scene + "&pageValue=pages/goods/goodsInfo/goodsInfo";
    var iurl = th.data.iurl; //图片地址前缀
    const ctx = wx.createCanvasContext('share_id'); //绘图上下文
    var unit = th.data.screenWidth / 750 * 1.35;
    var numsize = 20 * unit; //几人助力字体大小
    var size = 15 * unit;
    var num = 10;
    var q_num = 6;
    var already = num.toString().length + 1; //已有几位好友助力
    var lack = q_num.toString().length + 1; //还差几位好友助力
    var imagesize = 40 * unit; //助力人的图片大小
    var left = 74 * unit; //助力人头像跟左边的距离
    var spacing = 12 * unit; //助力人图片间距 
    var images = th.data.images;
    ctx.drawImage(images[0], 0, 0, 445 * unit, 700 * unit); //分享的背景图片
    ctx.drawImage(images[1], 37 * unit, 185 * unit, 370 * unit, 377 * unit); //分享的背景图片
    ctx.drawImage(images[2], 90 * unit, 231 * unit, 266 * unit, 160 * unit); //分享的背景图片
    ctx.setFillStyle("rgb(221,153,116)");
    ctx.setFontSize(size)
    ctx.fillText("已有", 77 * unit, 430 * unit);
    ctx.setFillStyle("#FF4746");
    ctx.setFontSize(numsize)
    ctx.fillText(num + "位", 108 * unit, 430 * unit);
    ctx.setFillStyle("rgb(221,153,116)");
    ctx.setFontSize(size)
    ctx.fillText("好友助力，还差", 114 * unit + already * numsize * unit, 430 * unit);
    ctx.setFillStyle("#FF4746");
    ctx.setFontSize(numsize);
    ctx.fillText(q_num + "位", 220 * unit + already * numsize * unit, 430 * unit);
    ctx.setFillStyle("rgb(221,153,116)");
    ctx.setFontSize(size);
    ctx.fillText("达成助力", 248 * unit + lack * numsize * unit + already * numsize - numsize * 2, 430 * unit);
    var c = q_num / num;
    ctx.drawImage(images[3], 65 * unit, 445 * unit, 320 * unit, 12 * unit);
    ctx.drawImage(images[4], 65 * unit, 445 * unit, 320 * unit * c, 12 * unit);
    for (var i = 0; i < 6; i++) {
      if (i == 0) {
        ctx.save();
        ctx.beginPath(); //开始绘制
        ctx.arc(left + imagesize / 2, 505 * unit, imagesize / 2, 0, 2 * Math.PI);
        ctx.setLineWidth(4 * unit);
        ctx.setStrokeStyle('red');
        ctx.setFillStyle("white");
        ctx.fill();
        ctx.clip();
        ctx.drawImage(images[6], left, 505 * unit - imagesize / 2, imagesize, imagesize);
        ctx.restore(); //恢复之前保存的绘图上下文 恢复之前保存的绘图上下午即状态 还可以继续绘制
      } else {
        // 助力人的头像
        ctx.drawImage(images[6], left, 505 * unit - imagesize / 2, imagesize, imagesize); //分享的背景图片
      }
      left += imagesize + spacing;
    }
    ctx.setFillStyle("rgb(255,255,255)");
    ctx.setFontSize(size);
    ctx.fillText("优惠乐翻天，精彩就在你身边!", 37 * unit, 595 * unit);
    ctx.setFillStyle("rgb(255,255,255)");
    ctx.setFontSize(size);
    ctx.fillText("2019.06.26 - 2019.07.02!", 37 * unit, 620 * unit);
    ctx.setFillStyle("rgb(255,255,255)");
    ctx.setFontSize(size);
    ctx.fillText("长按识别二维码，可帮我助力!", 37 * unit, 660 * unit);
    ctx.drawImage(images[7], 325 * unit, 595 * unit, 77 * unit, 77 * unit); //分享的背景图片
    ctx.save();
    //读取文件成功则OK--
    // wx.getImageInfo({
    //   src: path3,
    //   success: function (res) {
    //把画板内容绘制成图片，并回调 画板图片路径
    ctx.draw(false, function() {
      setTimeout(function() {
        wx.canvasToTempFilePath({
          x: 0,
          y: 0,
          width: 300,
          height: 500,
          destWidth: 400 * 2,
          destHeight: 720 * 2,
          canvasId: 'share_id',
          success: function(res) {
            wx.hideLoading();
            var shareImgPath = th.data.shareImgPath;
            shareImgPath[0] = res.tempFilePath;

            th.setData({
              shareImgPath: shareImgPath,
              canvasHidden: 1,
              is_share: 1
            })
            if (!res.tempFilePath) {
              wx.showModal({
                title: '提示',
                content: '图片绘制中，请稍后重试',
                showCancel: false
              })
              return false;
            }

          },
          fail(r) {

          }
        }, 500)
      })
    })
    //   }
    // })
  },
  preview: function() {
    var th = this;
    var shareImgPath = th.data.shareImgPath;
    wx.previewImage({
      url: shareImgPath[0],
      urls: shareImgPath
    })
  },

  //关闭分享显示
  close_share: function() {
    var th = this;
    th.setData({
      is_share: 0
    })
  },
  syinfo: function() {
    var th = this;
    //获取用户设备信息，屏幕宽度
    wx.getSystemInfo({
      success: res => {
        th.setData({
          screenWidth: res.screenWidth
        })
      }
    })
  },
  //钱 分享图
  imageinfo: function() {
    var th = this;
    var images = th.data.images;
    var iurl = th.data.iurl;
    wx.getImageInfo({
      src: iurl + images[0],
      success: function(res) {
        console.log(res + i);
        //res.path是网络图片的本地地址
        images[0] = res.path;
      },
      fail: function(res) {
        console.log(res.toString() + "" + i);
      }
    });
    wx.getImageInfo({
      src: iurl + images[1],
      success: function(res) {
        console.log(res + i);
        //res.path是网络图片的本地地址
        images[1] = res.path;
      },
      fail: function(res) {
        console.log(res.toString() + "" + i);
      }
    });
    wx.getImageInfo({
      src: iurl + images[2],
      success: function(res) {
        console.log(res + i);
        //res.path是网络图片的本地地址
        images[2] = res.path;
      },
      fail: function(res) {
        console.log(res.toString() + "" + i);
      }
    });
    wx.getImageInfo({
      src: iurl + images[3],
      success: function(res) {
        console.log(res + i);
        //res.path是网络图片的本地地址
        images[3] = res.path;
      },
      fail: function(res) {
        console.log(res.toString() + "" + i);
      }
    });
    wx.getImageInfo({
      src: iurl + images[4],
      success: function(res) {
        console.log(res + i);
        //res.path是网络图片的本地地址
        images[4] = res.path;
      },
      fail: function(res) {
        console.log(res.toString() + "" + i);
      }
    });
    wx.getImageInfo({
      src: iurl + images[5],
      success: function(res) {
        console.log(res + i);
        //res.path是网络图片的本地地址
        images[5] = res.path;
      },
      fail: function(res) {
        console.log(res.toString() + "" + i);
      }
    });
    wx.getImageInfo({
      src: iurl + images[6],
      success: function(res) {
        console.log(res + i);
        //res.path是网络图片的本地地址
        images[6] = res.path;
      },
      fail: function(res) {
        console.log(res.toString() + "" + i);
      }
    });

    wx.getImageInfo({
      src: iurl + images[7],
      success: function(res) {
        console.log(res + i);
        //res.path是网络图片的本地地址
        images[7] = res.path;
      },
      fail: function(res) {
        console.log(res.toString() + "" + i);
      }
    })
    th.setData({
      images: images
    })

  },
  //生成分享图,用于分享给好友帮拆
  demolition: function() {
    var th = this;


  },
  //************************ */
  shareFrends: function(e) {
    var th = this;
    var is_generate = th.data.is_generate; //是否重复提交拆一拆
    if (is_generate == 0) {
      th.setData({
        is_generate: 1
      })
      var scene = th.data.gid;
      ///二微码
      // var path3 = os.url + "/api/wx/open/app/user/getWeAppEwm/" +
      //   a.stoid + "?sceneValue=" + scene + "&pageValue=pages/goods/goodsInfo/goodsInfo";
      var iurl = th.data.iurl; //图片地址前缀
      const ctx = wx.createCanvasContext('share_id'); //绘图上下文
      var unit = th.data.screenWidth / 750 * 1.35;
      var numsize = 20 * unit; //几人助力字体大小
      var size = 15 * unit;
      var num = th.data.already; //已有几位好友助力
      var q_num = th.data.lack; //还差几位好友助力
      var already = num.toString().length + 1; //已有几位好友助力
      var lack = q_num.toString().length + 1; //还差几位好友助力
      var imagesize = 40 * unit; //助力人的图片大小
      var left = 74 * unit; //助力人头像跟左边的距离
      var spacing = 12 * unit; //助力人图片间距 
      var images = th.data.images;
      ctx.drawImage(images[0], 0, 0, 445 * unit, 700 * unit); //分享的背景图片
      ctx.drawImage(images[1], 37 * unit, 185 * unit, 370 * unit, 377 * unit); //分享的背景图片
      ctx.drawImage(images[5], 90 * unit, 231 * unit, 266 * unit, 160 * unit); //分享的背景图片
      ctx.setFillStyle("rgb(221,153,116)");
      ctx.setFontSize(size)
      ctx.fillText("已有", 77 * unit, 430 * unit);
      ctx.setFillStyle("#FF4746");
      ctx.setFontSize(numsize)
      ctx.fillText(num + "位", 108 * unit, 430 * unit);
      ctx.setFillStyle("rgb(221,153,116)");
      ctx.setFontSize(size)
      ctx.fillText("好友助力，还差", 116 * unit + already * numsize * unit, 430 * unit);
      ctx.setFillStyle("#FF4746");
      ctx.setFontSize(numsize);
      ctx.fillText(q_num + "位", 223 * unit + already * numsize * unit, 430 * unit);
      ctx.setFillStyle("rgb(221,153,116)");
      ctx.setFontSize(size);
      ctx.fillText("达成助力", 230 * unit + lack * numsize * unit + already * numsize * unit, 430 * unit);
      var c = q_num / num;
      ctx.drawImage(images[2], 65 * unit, 445 * unit, 320 * unit, 12 * unit);
      ctx.drawImage(images[3], 65 * unit, 445 * unit, 320 * unit * c, 12 * unit);
    //  var dynamic = th.data.dynamic; //助力的微信头像
     // console.log(dynamic[0].headPic + "动态图片显示");
      for (var i = 0; i < 6; i++) {
        if (i < 0) {
          // ctx.beginPath();
          // ctx.arc(left + imagesize / 2, 505 * unit, imagesize / 2, 0, 2 * Math.PI);
          // ctx.setLineWidth(1);
          // ctx.setStrokeStyle('red');
          ctx.save();
          ctx.beginPath(); //开始绘制
          ctx.arc(left + imagesize / 2, 505 * unit, imagesize / 2, 0, 2 * Math.PI);
          ctx.setLineWidth(4 * unit);
          ctx.setStrokeStyle('red');
          ctx.setFillStyle("white");
          ctx.fill();
          ctx.clip();
          ctx.drawImage(dynamic[i].headPic, left, 505 * unit - imagesize / 2, imagesize, imagesize);
          ctx.restore(); //恢复之前保存的绘图上下文 恢复之前保存的绘图上下午即状态 还可以继续绘制
        } else {
          // 助力人的头像
          ctx.drawImage(images[4], left, 505 * unit - imagesize / 2, imagesize, imagesize); //分享的背景图片

        }
        left += imagesize + spacing;
      }
      ctx.setFillStyle("rgb(255,255,255)");
      ctx.setFontSize(size);
      ctx.fillText("优惠乐翻天，精彩就在你身边!", 37 * unit, 595 * unit);
      ctx.setFillStyle("rgb(255,255,255)");
      ctx.setFontSize(size);
      ctx.fillText("2019.06.26 - 2019.07.02!", 37 * unit, 620 * unit);
      ctx.setFillStyle("rgb(255,255,255)");
      ctx.setFontSize(size);
      ctx.fillText("长按识别二维码，可帮我助力!", 37 * unit, 660 * unit);
      ctx.drawImage(images[5], 325 * unit, 585 * unit, 77 * unit, 77 * unit); //分享的背景图片
      ctx.save();
      //读取文件成功则OK--
      // wx.getImageInfo({
      //   src: path3,
      //   success: function (res) {
      //把画板内容绘制成图片，并回调 画板图片路径
      ctx.draw(false, function() {
        setTimeout(function() {
          wx.canvasToTempFilePath({
            x: 0,
            y: 0,
            width: 300,
            height: 500,
            destWidth: 400 * 2,
            destHeight: 720 * 2,
            canvasId: 'share_id',
            success: function(res) {
              wx.hideLoading();
              var shareImgPath = th.data.shareImgPath;
              shareImgPath[0] = res.tempFilePath;

              th.setData({
                shareImgPath: shareImgPath,
                canvasHidden: 1,
                is_share: 1,
                is_generate: 0,
                canvasHidden: 1
              })
              if (!res.tempFilePath) {
                wx.showModal({
                  title: '提示',
                  content: '图片绘制中，请稍后重试',
                  showCancel: false
                })
                return false;
              }

            },
            fail(r) {

            }
          }, 500)
        })
      })
    }
  },
  preview: function() {
    var th = this;
    var shareImgPath = th.data.shareImgPath;
    wx.previewImage({
      url: shareImgPath[0],
      urls: shareImgPath
    })
    th.setData({
      is_share: 0
    })
  },

  //关闭分享显示
  close_share: function() {
    var th = this;
    wx.hideLoading();
    th.setData({
      is_share: 0
    })
  },
  syinfo: function() {
    var th = this;
    //获取用户设备信息，屏幕宽度
    wx.getSystemInfo({
      success: res => {
        th.setData({
          screenWidth: res.screenWidth
        })
      }
    })
  },
  //把固定的图片加载到本地
  imageinfo: function() {
    var th = this;
    var images = th.data.images;
    var iurl = th.data.iurl;
    wx.getImageInfo({
      src: iurl + images[0],
      success: function(res) {
        //res.path是网络图片的本地地址
        images[0] = res.path;
      },
      fail: function(res) {

      }
    });
    wx.getImageInfo({
      src: iurl + images[1],
      success: function(res) {
        //res.path是网络图片的本地地址
        images[1] = res.path;
      },
      fail: function(res) {

      }
    });
    wx.getImageInfo({
      src: iurl + images[2],
      success: function(res) {
        //res.path是网络图片的本地地址
        images[2] = res.path;
      },
      fail: function(res) {

      }
    });
    wx.getImageInfo({
      src: iurl + images[3],
      success: function(res) {

        //res.path是网络图片的本地地址
        images[3] = res.path;
      },
      fail: function(res) {

      }
    });
    wx.getImageInfo({
      src: iurl + images[4],
      success: function(res) {

        //res.path是网络图片的本地地址
        images[4] = res.path;
      },
      fail: function(res) {

      }
    });
    wx.getImageInfo({
      src: iurl + images[5],
      success: function(res) {

        //res.path是网络图片的本地地址
        images[5] = res.path;
      },
      fail: function(res) {

      }
    });
    th.setData({
      images: images
    })

  },
//好友猜一猜
  save_share: function (e) {
   var aitem = this.data.aitem; //任务的数据集
   var sw_index = this.data.sw_index; //轮播的下标
    //任务id
    var taskid = aitem[sw_index].id
    console.log("好友猜一猜的任务id", taskid);
    var th = this;
    var url = "/api/weshop/marketing/help/help/task/involve/page";
    getApp().request.promiseGet(url, {
      data: {
        storeId: os.stoid,
        taskId: taskid,
        userId: getApp().globalData.user_id
      }
    }).then(res => {
      if (res.data.code == 0) {
        var data = res.data.data.pageData; //帮拆数组
        if (data.length > 0) {
          // th.setData({
          //   dynamic: data
          // })
          // th.info_head();
          th.imageinfo();
          setTimeout(function () {
            th.shareFrends();
          }, 500)
        }
      } else {
        wx.hideLoading();
        getApp().my_warnning(res.data.msg, 0, th);
      }
    })
  },
  //把已助力好友头像下载到本地
  info_head: function (e) {
    var th = this;
    var images = th.data.dynamic;
    if (images[0] != null && images[0] != "" && images[0] != undefined) {
      console.log(images[0].headPic + "就将计就计");
      wx.getImageInfo({
        src: images[0].headPic,
        success: function (res) {
          //res.path是网络图片的本地地址
          images[0].headPic = res.path;
        },
        fail: function (res) {

        }
      });
    }
    if (images[1] != null && images[1] != "" && images[1] != undefined) {
      wx.getImageInfo({
        src: images[1].headPic,
        success: function (res) {
          //res.path是网络图片的本地地址
          images[1].headPic = res.path;
        },
        fail: function (res) {

        }
      });
    }
    if (images[2] != null && images[2] != "" && images[2] != undefined) {
      wx.getImageInfo({
        src: images[2].headPic,
        success: function (res) {
          //res.path是网络图片的本地地址
          images[2].headPic = res.path;
        },
        fail: function (res) {

        }
      });
    }
    if (images[3] != null && images[3] != "" && images[3] != undefined) {
      wx.getImageInfo({
        src: images[3].headPic,
        success: function (res) {
          //res.path是网络图片的本地地址
          images[3].headPic = res.path;
        },
        fail: function (res) {

        }
      });
    }
    // if (images[4] != null && images[4] != "" && images[4] != undefined) {
    //   wx.getImageInfo({
    //     src:  images[4].headPic,
    //     success: function(res) {
    //       //res.path是网络图片的本地地址
    //       images[4].headPic = res.path;
    //     },
    //     fail: function(res) {

    //     }
    //   });
    // }
    // if (images[5] != null && images[5] != "" && images[5] != undefined) {
    //   wx.getImageInfo({
    //     src:  images[5].headPic,
    //     success: function (res) {
    //       //res.path是网络图片的本地地址
    //       images[5].headPic = res.path;
    //     },
    //     fail: function (res) {

    //     }
    //   });
    //}
    th.setData({
      dynamic: images
    })
  },
  //礼包的详情 轮播图
  libao_details:function(e){
    var giftbagid=e.currentTarget.dataset.giftbagid;
    getApp().goto("/pages/user/assistance/giftpacklist?libao_id=" +giftbagid + "&is_libao=" + 0);
  },
  //正在进行任务
  test: function (e) {
    var th=this;
    var aitem = this.data.aitem; //任务的数据集
    var sw_index = this.data.sw_index; //轮播的下标
    //任务id
    var taskid = aitem[sw_index].id;
    //查看正在进行中的任务
    getApp().request.promiseGet("/api/weshop/marketing/help/help/task/get",{
        data:{
          storeId: os.stoid,
          userId: getApp().globalData.user_id,
          taskId:taskid
        }   
    }).then(res=>{
      if (res.data.code==0){
        var zzjx_id=res.data.data.id;
        th.setData({zzjx_id:zzjx_id});
        var zzjx_id=th.data.zzjx_id;
        getApp().goto("/pages/user/friend_assistance/friend_assistance?taskimg=" + zzjx_id);
    //     return getApp().request.json_post("/api/weshop/marketing/help/help/task/involve/insert",{
    //       id:zzjx_id,
    //       storeId: os.stoid,
    //       userId: getApp().globalData.user_id,
    //       zlUserId: 4379287
    //     },function (res) {
    //       if (res.data.code==0){
           
    
    //  }
    //   }
       
      }
    //     )}
     })



  },

})