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: {
    swpie_img: s.imghost + "/miniapp/images/user_index_powder.jpg",
    defaultAvatar: s.imghost + "/miniapp/images/no-head.jpg",//助力头像的默认图
    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: [], //会员列表
    taskid: "", //任务id
    usercount: 0, //参与的人数
    dismantle: [], //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
    is_show: 0, //任务的加载更多
    is_bc_show: 0, //帮拆的加载更多
    bc_page: 1, //帮拆的页码
    rw_page: 1, //任务的页码
    block: 0, //阻断助力的我的任务在当前位置多次点击
    is_dismantle: 0, //阻断助力的帮拆记录在当前位置多次点击
    is_clik: 0,//点击的时候控制划动
    is_dis_list: 0,//多个数据的时候
    is_user_list: 0,//我的任务点击加载更多的后

    //*********************************************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", "miniapp/images/xc_ellipsis.png"
    ], //固的分享图片

    dynamic: null, //已助力的微信头像数组
    head_pic_arr: [], //助力的头像
    share_lb_img: "", //分享的礼包图片

    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
    djs: "", //定时器的显示
    //*********************************************end
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var th = this;
    var help_id = options.help_id;
    var nav_b = th.selectComponent("#nav_b"); //组件的id
    nav_b.set_name("助力", "/pages/user/assistance/assistance");
    th.setData({
      help_id: help_id
    });
    //start 钱
    if (options.gid != undefined) {
      th.setData({
        gid: options.gid
      })
    }
    if (options.taskid != undefined) {
       th.setData({taskid:options.taskid})
    }

    th.close();
    th.syinfo();
    th.imageinfo();

  },


  //选中任务保存
  add_onlicke: function (e) {
    var th = this;
    var taskid = e.target.dataset.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) {
          getApp().my_warnning(res.data.data, 1, th);
          //判断是不是领取的任务
          th.get_user_task();
          //会员任务列表
          th.user_task_list();
        } 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;
          th.setData({
            endDate: help_data.endDate,
          });

          //任务时间 设置全局定时器
          th.setData({
            timer: setInterval(function () {
              th.countDown();
            }, 1000)
          })


        }
      }
    });


    /*-----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;
          if(th.data.taskid) {
            th.setData({
              aitem: data_aissa,
              task_number: task_number,
            });
            th.go_to_task(th.data.taskid);
          }else{
            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)

    //会员任务列表
    this.user_task_list();
    //获取助力活动参与的人数
    this.get_user_task_num();

  },
  //记录加载更多
  dismantle_record_list: function () {
    this.setData({ is_dismantle: 0 });
    this.dismantle_record();
  },

  dismantle_record_click(){
    if(this.data.switch_head==1) return false;
    this.setData({ is_dismantle: 0 });
    this.dismantle_record();
  },

  //帮拆记录的
  dismantle_record: function (e) {
    //优化
    if (this.data.is_dismantle == 1) {
      return false;
    }

    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;
    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;
    }
    this.setData({
      is_task: 1,
      switch_head: 1,
      block: 0,
    });

    var bc_page = th.data.bc_page;
    rq.get("/api/weshop/marketing/help/help/task/involve/page", {
      data: {
        page: bc_page,
        pageSize: 5,
        taskId: taskid,
        userId: getApp().globalData.user_id,
        storeId: os.stoid
      },
      success: function (res) {
        if (res.data.code == 0) {
          th.setData({ is_dismantle: 1 });
          var dismantle = res.data.data.pageData[0].zlHelpUser;
          if (res.data.data.total > 5) {
            var bc_page = th.data.bc_page + 1;
            var dismantle_s = th.data.dismantle.concat(dismantle);
            th.setData({
              bc_page: bc_page,
              is_bc_show: 1,
              dismantle: dismantle_s,
              is_dis_list: 1
            })
          } else {
            th.setData({
              dismantle: dismantle,
              is_dis_list: 0
            });
          }
          var dis_len = th.data.dismantle.length;
          if (res.data.data.total == dis_len) {
            th.setData({
              is_dis_list: 0,
            })
          }
          th.setData({

            is_clik: 0,
          });
        } else {
          th.setData({
            dismantle: null
          });
        }
      }

    })
  },
  // 领取礼包
  get_libao: function (e) {
    var libao_id = e.currentTarget.dataset.libaoid; //礼包id
    var taskid = e.currentTarget.dataset.taskid;
    var taskingid = e.currentTarget.dataset.taskingid;
    getApp().goto("/pages/user/assistance/giftpacklist?help_id=" + this.data.help_id + "&is_libao=" + 1 + "&taskId=" + taskid + "&id=" + taskingid);
  },
  //查看礼包id
  select_libao: function (e) {
    var orderSn = e.currentTarget.dataset.ordersn;
    getApp().goto("/pages/user/assistance/giftpacklist?orderSn=" + orderSn);
  },

  //划动的时候监听
  onSli: function (e) {
    var arr = [];
    this.setData({
      dismantle: arr
    });
    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;
    th.setData({
      sw_index: ind,
      task_number: task_number,
      taskid: task_id,
      is_dismantle: 0,
      bc_page: 1
    });

    if (this.data.switch_head == 1 && th.data.is_clik == 0) {
      //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();
  },
  //我的任务点击加载更多
  task_list: function () {
    this.setData({ block: 0 });
    this.user_task_list();
  },
  // 获取会员的参与的任务列表 我的任务
  user_task_list: function (e) {
    var th = this;
    //防止已经当前位置的时候多次点击
    if (th.data.block == 1) { return false; }
    th.data.block=1;
    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,
      user_task_list:[],
    });
    var help_id = th.data.help_id;
    var user_id = getApp().globalData.user_id;
    var rw_page = th.data.rw_page;
    if(rw_page==1)th.data.zl_user_list=[];
    var r=Math.random()*100;
    rq.get("/api/weshop/marketing/help/help/user/page", {
      data: {
        page: rw_page,
        pageSize: 5,
        helpId: help_id,
        storeId: os.stoid,
        userId: user_id,
        r:r,
      },
      success: function (su) {
        th.data.block=0
        if (su.data.code == 0) {
          if (su.data.data.total > 5) {
            var rw_page = th.data.rw_page + 1;
            th.setData({
              rw_page: rw_page,
              is_show: 1
            })

          }


          var user_list = su.data.data.pageData;
          // if (user_list == "" || user_list.length == 0 || user_list==null){
          //   th.setData({
          //     is_user_list: 1
          //   });
          //   console.log("走哪里1111");
          // }else{}
          console.log("走哪里22222222");
          var user_lists = th.data.user_task_list.concat(user_list);
          th.setData({
            user_task_list: user_lists
          });
        } else {
          th.setData({ is_user_list: 1 });
          getApp().my_warnning(su.data.msg, 0, th);
        }
      }
    })
  },
  //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;
    var taskid = aitem[sw_index].id
    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;
          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) {
        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
          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 arr = [];
    this.setData({
      dismantle: arr
    });
    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;
    this.setData({
      sw_index: index,
      task_number: task_number,
      taskid: task_id,
      is_dismantle: 0,
      is_clik: 1,
      bc_page: 1
    })
    if (this.data.switch_head == 1) {
      //判断有没有帮拆记录
      console.log("往左点////////////////////");
      this.dismantle_record();
    }
    if (this.data.switch_head == 0) {
      //判断有没有领取任务
      this.get_user_task();
    }

  },
  //轮播图点击右边
  click_next: function () {
    var arr = [];
    this.setData({
      is_clik: 1,
      dismantle: arr
    });
    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;
    this.setData({
      sw_index: index,
      task_number: task_number,
      taskid: task_id,
      is_dismantle: 0,
      bc_page: 1,
    })
    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--
    clearInterval(this.data.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();

    // 对结束时间进行处理渲染到页面

    // var o = endTimeList[i];
    var endTime = th.data.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[" + 0 + "].djs";
    th.setData({
      [txt]: obj
    });
  },
  //---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 () {

  },

  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
        })
      }
    })
  },



  //************************ */
  shareFrends: function (e) {
    var th = this;
    if (th.data.is_generate) return;
    th.data.is_generate = 1;

    var scene = 1;
    ///二微码
    var path3 = os.url + "/api/wx/open/app/user/getWeAppEwm/" +
      os.stoid + "?sceneValue=" + scene + "&pageValue=pages/index/index/index";
    //读取文件成功则OK--
    wx.getImageInfo({
      src: path3,
      success: function (res) {

        var ewm_path = res.path; //
        //var act_time="2019.06.26 - 2019.07.02";  //活动的时间
        var bg_time = ut.formar_no_full(th.data.dynamic.beginDate);
        var end_time = ut.formar_no_full(th.data.dynamic.endDate);
        var act_time = bg_time + "-" + end_time;


        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 head_list_img = th.data.head_pic_arr;
        var num = th.data.head_pic_arr.length; //已有几位好友助力

        var aitem = th.data.aitem; //任务的数据集
        var sw_index = th.data.sw_index; //轮播的下标
        //任务id
        var help_num = aitem[sw_index].helpNum;
        var q_num = help_num - num; //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 size = 15 * unit;
        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

        console.log(111);
        console.log(th.data.share_lb_img);

        ctx.drawImage(th.data.share_lb_img, 90 * unit, 231 * unit, 266 * unit, 160 * unit); //分享的礼包的背景图片

        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 = num / help_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 head_list_num = 30;
        var is_head_list = 0;

        //当需要助力人数小与6个
        if (help_num < 6) {
          var pos_arr = ut.get_box_arr(help_num, 225.25 * unit, 505 * unit, spacing, imagesize / 2);
          var now_ind = 0;
          //--判断已助力的人数--
          for (var a = 0; a < head_list_img.length; a++) {
            var pos = pos_arr[now_ind];
            ut.draw_circle(ctx, pos.x, pos.y, imagesize / 2, head_list_img[a], 'red', unit);
            now_ind++;
          }
          //--显示还差的人数--
          if (help_num - head_list_img.length > 0) {
            var neednum = help_num - head_list_img.length;
            //这个是还未助力的位置
            for (var i = 0; i < neednum; i++) {
              var pos = pos_arr[now_ind];
              now_ind++;
              // 助力人的头像
              ctx.drawImage(images[4], pos.x - imagesize / 2, pos.y - imagesize / 2, imagesize, imagesize); //分享的背景图片

            }
          }

        } else if (help_num > 7) {
          //助力头像数量, 是不是要显示省略图
          var zl_head = 0, is_sheng = 0;
          if (head_list_img.length >= 6) {
            zl_head = 5; is_sheng = 1;
          } else {
            zl_head = head_list_img.length;
          }


          //判断已助力的人数
          for (var a = 0; a < zl_head; a++) {
            //绘制头像
            ut.draw_circle(ctx, left + imagesize / 2, 505 * unit, imagesize / 2, head_list_img[a], 'red', unit);
            left += imagesize + spacing;
          }

          //如果是省略号的话
          if (is_sheng) {
            ctx.drawImage(images[5], left, 505 * unit - imagesize / 2, imagesize, imagesize); //头像的省略图片
          } else {
            //这个是还未助力的位置
            for (var i = 0; i < 6 - head_list_img.length; i++) {
              // 助力人的头像
              ctx.drawImage(images[4], left, 505 * unit - imagesize / 2, imagesize, imagesize); //分享的?号图片
              left += imagesize + spacing;
            }
          }
        } else {
          //  判断已助力的人数
          for (var a = 0; a < head_list_img.length; a++) {
            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(head_list_img[a], left, 505 * unit - imagesize / 2, imagesize, imagesize);
            ctx.restore();
            left += imagesize + spacing;
          }

          if (help_num - head_list_img.length > 0) {
            var neednum = help_num - head_list_img.length;
            if(neednum>6) neednum=6;
            //这个是还未助力的位置
            for (var i = 0; i < neednum; i++) {
              // 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(act_time, 37 * unit, 620 * unit); //绘制活动是时间
        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(ewm_path, 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: async function () {
    var th = this;
    var images = th.data.images;
    var iurl = th.data.iurl;
    for (var i in images) {
      var img_path = iurl + images[i];
      await getApp().request.promise_downimg(img_path).then(res => {
        images[i] = res;
      })
    }

    th.data.images = images;
  },


  //好友猜一猜
  save_share: 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
    var sw_item = aitem[sw_index];
    //任务id
    var taskid = sw_item.id;
    th.setData({
      is_share: 1
    })
    var url = "/api/weshop/marketing/help/help/task/involve/page";
    getApp().request.promiseGet(url, {
      isShowLoading: true,
      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.data.dynamic = data[0];
          var path = th.data.iurl + (sw_item.giftBagUrl?sw_item.giftBagUrl:'/miniapp/images/no-head.jpg');
          //先获取礼包分享时的本地路径
          getApp().request.promise_downimg(path).then(res => {
            th.data.share_lb_img = res;
            //先获取会员的头像
            th.info_head(th.shareFrends);
          });
        }
      } 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: async function (func) {
    var th = this;
    var images = th.data.dynamic.zlHelpUser;
    var arr = new Array();
    var block = th.data.block;
    if (images) {
      th.data.head_pic_arr.length = 0;
      for (var i in images) {
        var img_path = images[i].headPic;
        await getApp().request.promise_downimg(img_path).then(res => {
          th.data.head_pic_arr.push(res);
        })
      }
    }
    func();
  },
  //立即兑换
  redeem_now: function (e) {
    var libao_id = e.currentTarget.dataset.libaoid;
    var sw_index = this.data.sw_index;
    var aitem = this.data.aitem;
    var taskid = aitem[sw_index].id;
    var taskingid = e.currentTarget.dataset.taskingid;
    getApp().goto("/pages/user/assistance/giftpacklist?help_id=" + this.data.help_id + "&is_libao=" + 1 + "&taskId=" + taskid + "&id=" + taskingid);
  },


  //礼包的详情 轮播图
  libao_details: function (e) {
    var th = this;
    var help_id = th.data.help_id; //活动id
    var taskId = e.currentTarget.dataset.taskid; //任务id
    getApp().goto("/pages/user/assistance/giftpacklist?help_id=" + help_id + "&is_libao=" + 0 + "&taskId=" + taskId);
  },

  user_task_list_click:function(){
        if (this.data.switch_head==0) return false;
        this.data.block=0;
        this.user_task_list();
  },

  go_task:function(e){
    var taskid=e.currentTarget.dataset.taskid;
    this.go_to_task(taskid);

  },

  go_to_task(task_id){
    var index = 0;
    var aitem = this.data.aitem;
    for(var i=0;i<aitem.length;i++){
      if(aitem[i].id==task_id){
        index=i;break;
      }
    }
    this.setData({
      sw_index: index,
      taskid: task_id,
      is_dismantle: 0,
      bc_page: 1,
    })
  },

  //--测试用--
  test:function(){
    var ind=this.data.sw_index;
    var aitem = this.data.aitem;
    var task_id = aitem[ind].id;
    getApp().goto("/pages/test/zhuli_test?taskId="+task_id);
  }

})