test/pages/info/hotelProductInfo/index.js

// pages/info/hotelProductInfo/index.js
import util from "../../../utils/util"
import commonApi from "../../../utils/https/common"
let device = wx.getSystemInfoSync();
const ratio = device.windowWidth / 750;
import QRCode from '../../../utils/weapp-qrcode.js'
let app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    invoiceModes: {
      1: "如需发票,请向酒店前台索取",
      2: "美团开具发票",
      3: "第三方开具发票"
    },
    showInfoFlag: false,
    listimgs: [],
    startDate: "",//入住时间
    endDate: "",//离店时间
    startDateText: "",//入住时间转文字
    endDateText: "",//离店时间转文字
    days: 1,//住店的日期总数
    today: "",//今天，也就是入住可以选择的日期
    tomorrow: "",//离店最早可以选择的日期
    sceneInfo: null,
    ask: [],
    isLike: 0,
    commentTotal: 0,
    comment: [],
    products: [],
    isTest: true,
    activeSkuIndex: -1,
    skuList: [],
    roomInfo: null,
    retailId: "",
    shareImg: null,
    showShareFlag: false,
    showQrCode: false,
    wxqrcode: null
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.setData({
      id: options.id
    })
    if (options.retailId) {
      this.setData({
        retailId: options.retailId
      })
    }
    
    // 先初始化日期
    let today = new Date(), tomorrow = new Date(today.getTime() + 24 * 60 * 60 * 1000);
    this.setData({
      today: util.formatDate(today),
      startDate: util.formatDate(today),
      endDate: util.formatDate(tomorrow),
      startDateText: util.dateToText(today),
      endDateText: util.dateToText(tomorrow),
      tomorrow: util.formatDate(tomorrow)
    })
    this.getDetail()
    // this.getProduct()
  },
  BroswerRecord: function () {
    setTimeout(() => {
      if (app.globalData.uuid) {
        commonApi._post('browse/browse_record', {
          type: "scene",
          title: this.data.sceneInfo.title,
          drive: "mini",
          source_id: this.data.sceneInfo.id,
          url: "/pages/info/hotelProductInfo/index?id=" + this.data.sceneInfo.id,
          uuid: app.globalData.uuid
        }).then(res => {
        })
      }
      else {
        this.BroswerRecord();
      }
    }, 500)
  },
  getProduct: function () {
    commonApi._post(this.data.sceneInfo.third_supplier_type == 'mt' ? "scene/get_mt_hotel_real_rooms_list" : "scene/get_hotel_sku_list", {
      start_time: this.data.startDate,
      end_time: this.data.endDate,
      scene_id: this.data.id
    }).then(res => {
      res.data.map(item => {
        item.display_tags = (item.display_tags ? item.display_tags.split(",") : []).splice(0, 2)
      })
      this.setData({
        products: res.data
      })
    })
  },
  // 获取产品下面的规格列表
  getSkuList: function (e) {
    if (e.currentTarget.dataset.index == this.data.activeSkuIndex) {
      this.setData({
        activeSkuIndex: -1
      })
      return;
    }
    this.setData({
      activeSkuIndex: e.currentTarget.dataset.index,
      skuList: []
    })
    commonApi._post('scene/get_mt_hotel_real_rooms_sku_list', {
      start_date: this.data.startDate,
      end_date: this.data.endDate,
      real_room_id: e.currentTarget.dataset.id
    }).then(res => {
      if (!res.data || res.data.length == 0) {
        wx.showToast({
          title: '该房型暂无房间',
          icon: 'none'
        })
      }
      this.setData({
        skuList: res.data
      })
    })
  },
  order: function (e) {
      console.log(this.data.sceneInfo);
    commonApi.user_post('wx/get_user_keep', {
        jumpurl: '/pages/info/hotelProductInfo/index?id=' + this.data.id,
        title: this.data.sceneInfo.title,
        type: 'mini'
    }).then(res => {
        if (res.data.subscribe == 0) {
            this.setData({
                wxqrcode: res.data.qrcode,
                showQrCode: true
            })
        } else {
            let item = e.currentTarget.dataset.item;
            item.startDate = this.data.startDate;
            item.endDate = this.data.endDate;
            item.startDateText = this.data.startDateText;
            item.endDateText = this.data.endDateText;
            item.startDay = this.getDay(item.startDate);
            item.endDay = this.getDay(item.endDate);
            item.days = this.data.days;
            app.globalData.product = item;
            app.globalData.couponInfo = null;
            wx.navigateTo({
              url: '/pages/order/hotel/index',
            })
        }
    })
  },
  orderMt: function (e) {
    commonApi.user_post('wx/get_user_keep', {
        jumpurl: '/pages/info/hotelProductInfo/index?id=' + this.data.id,
        title: this.data.sceneInfo.title,
        type: 'mini'
    }).then(res => {
        if (res.data.subscribe == 0) {
            this.setData({
                wxqrcode: res.data.qrcode,
                showQrCode: true
            })
        } else {
            let item = e.currentTarget.dataset.item, product = e.currentTarget.dataset.product;
            item.startDate = this.data.startDate;
            item.endDate = this.data.endDate;
            item.startDateText = this.data.startDateText;
            item.endDateText = this.data.endDateText;
            item.startDay = this.getDay(item.startDate);
            item.endDay = this.getDay(item.endDate);
            item.days = this.data.days;
            item.id = item.sku_id;
            // item.product_id = product.real_room_id;
            item.sku_name = product.room_name;
            item.sku_model = {};
            item.sku_model.area = product.useable_area + "m²";
            item.sku_model.bed_type = item.bed_type;
            item.sku_model.breakfast = item.breakfast;
            item.sku_model.max_room_num = item.max_room_num;
            app.globalData.product = item;
            app.globalData.retailId = this.data.retailId;
            // return;
            app.globalData.couponInfo = null;
            wx.navigateTo({
              url: '/pages/order/hotel/index',
            })
        }})


  },
  getDay: function (date) {
    let d = new Date(date.replace(/-/g, '/')).getDay();
    let days = ["日", "一", "二", "三", "四", "五", "六"];
    return days[d];
  },
  getDetail: function () {
    // 获取详情
    commonApi._post("scene/detail", {
      id: this.data.id
    }).then(res => {
      if (!res.data) {
        util.back();
        return;
      }
      // res.data.listimg = res.data.listimg?res.data.listimg.split(","):[];
      res.data.display_tags = (res.data.display_tags ? res.data.display_tags.split(",") : []).splice(0, 2);
      this.setData({
        sceneInfo: res.data
      })
      this.BroswerRecord();
      this.getProduct()
    })
    // 获取问大家
    commonApi._post("ask/getQuestionList", {
      scene_id: this.data.id,
      page_no: 1,
      page_num: 3
    }).then(res => {
      console.log(res)
      this.setData({
        ask: res.data.rows
      })
    })
    // 获取是否喜欢
    commonApi.user_post("scene/is_scene_collection", {
      scene_id: this.data.id
    }).then(res => {
      this.setData({
        isLike: res.data
      })
    })
    // 获取评价列表
    commonApi.user_post("scene/get_comment", {
      scene_id: this.data.id
    }).then(res => {
      res.data.list.map(item => {
        item.rate = Number(item.rate)
      })
      this.setData({
        comment:  res.data.list.splice(0, 5),
        commentTotal: res.data.total
      })
      let arr = this.data.comment
      arr.map((item)=>{
        if (item.img_list) {
          item.img_list = item.img_list.split(',')
        }else{
          item.img_list=[]
        }
      })
      this.setData({
        comment:arr
      })
    })
  },
  like: function () {
    let id = this.data.id, isLike = this.data.isLike;
    commonApi.user_post(isLike != 1 ? "scene/scene_collection" : "scene/scene_cancel_collection", {
      scene_id: id
    }).then(res => {
      if (res.code == 1) {
        wx.showToast({
          title: '操作成功',
        })
        this.setData({
          isLike: isLike == 1 ? 0 : 1
        })
      }
    })
  },
  gotoLocation: function () {
    let info = this.data.sceneInfo;
    wx.openLocation({
      latitude: Number(info.lat),
      longitude: Number(info.lon),
    })
  },
  changeInDate: function (e) {
    console.log(e)
    let date = new Date(e.detail.value.replace(/-/g, '/'));
    let tomorrow = new Date(date.getTime() + 24 * 60 * 60 * 1000);
    this.setData({
      startDate: util.formatDate(date),
      startDateText: util.dateToText(date),
      tomorrow: util.formatDate(tomorrow)
    })
    // 如果开始日期要比结束日期晚的话 那么结束日期自动变成开始日期的下一天
    let endDate = new Date(this.data.endDate.replace(/-/g, '/'));
    if (endDate.getTime() <= date.getTime()) {
      this.setData({
        endDate: util.formatDate(tomorrow),
        endDateText: util.dateToText(tomorrow)
      })
    }
    this.calcDays();
  },
  changeLeaveDate: function (e) {
    let date = new Date(e.detail.value.replace(/-/g, '/'));
    console.log(date)
    this.setData({
      endDate: util.formatDate(date),
      endDateText: util.dateToText(date)
    })
    this.calcDays();
  },
  calcDays: function () {
    let endDate = this.data.endDate.replace(/-/g, '/'), startDate = this.data.startDate.replace(/-/g, '/');
    endDate = new Date(endDate).getTime();
    startDate = new Date(startDate).getTime();
    let days = Math.round((endDate - startDate) / (1000 * 24 * 60 * 60))
    this.setData({
      days: days,
      activeSkuIndex: -1,
      skuList: []
    })
    // this.getProduct()
  },
  showRoomInfo: function (e) {
    let product = e.currentTarget.dataset.info, sku = e.currentTarget.dataset.sku;
    this.setData({
      showInfoFlag: true
      // roomInfo:
    })
    commonApi.user_post("product/getMtRoomSkuInfo", {
      real_room_id: product.real_room_id,
      sku_id: sku.sku_id,
      start_date: this.data.startDate,
      end_date: this.data.endDate
    }).then(res => {
      this.setData({
        roomInfo: {
          sku: sku,
          skuInfo: res.data,
          productInfo: product
        }
      })
    })
  },
  hideRoomInfo: function () {
    this.setData({
      showInfoFlag: false,
      roomInfo: null
    })
  },


  // 分享
  share: function () {
    if (!wx.getStorageSync("jstrip_token")) {
      commonApi.user_post("user/getMyInfo", {}).then(res => {

      })
      return;
    }
    if (!this.data.shareImg) {
      wx.showToast({
        title: '图片生成中，稍后再试',
        icon: 'none'
      })
      return;
    }
    this.setData({
      showShareFlag: !this.data.showShareFlag
    })
  },
  // 保存
  save() {
    let url = this.data.shareImg, that = this;
    wx.authorize({
      /* 这个就是保存相册的 */
      scope: 'scope.writePhotosAlbum',
      success() {
        wx.saveImageToPhotosAlbum({
          filePath: url,
          success(res) {
            wx.showToast({
              title: '保存成功',
              icon: "success"
            })
            that.setData({
              showShareFlag: !this.data.showShareFlag
            })
          },
          fail(res) {
            wx.showToast({
              title: '保存失败',
              icon: 'none'
            })
          }
        })
      },
      complete(res) {
        console.log(res);
        /* 这里判断一下如果没有授权重新打开设置选项 */
        wx.getSetting({
          success(res) {
            if (!res.authSetting['scope.writePhotosAlbum']) {
              /* 打开设置的方法 */
              // opensit();
              wx.showToast({
                title: '请打开权限后再试',
                icon: 'none'
              })
            }
          }
        });
      }
    });

  },
  // 绘制海报
  drawImg: function () {
    var that = this, userinfo = wx.getStorageSync('jstrip_userInfo');
    if (!userinfo) {
      // 去登录
      return false;
    }
    const ctx = wx.createCanvasContext('imageCanvas');
    // const device = wx.getSystemInfoSync();
    // const ratio = device.screenWidth / 750;
    // 先获取到图片信息
    let promise2 = new Promise(function (resolve, reject) {
      wx.getImageInfo({
        src: that.data.sceneInfo.headimg,
        success: function (res) {
          resolve(res);
        },
        fail: function (res) {
          reject(res);
        }
      })
    })
    let promise3 = new Promise(function (resolve, reject) {
      let userid = wx.getStorageSync('jstrip_userid')
      new QRCode('myQrcode', {
        text: 'https://m.cloud.sz-trip.com/HotelDetail?id=' + that.data.sceneInfo.id + '&sharedUserId=' + userid + '&channel=-1',
        width: 500,
        height: 500,
        padding: 12, // 生成二维码四周自动留边宽度，不传入默认为0
        correctLevel: QRCode.CorrectLevel.H, // 二维码可辨识度
        callback: (res) => {
          resolve(res);
        }
      })
    })
    //成功得到图片信息后，开始绘图
    Promise.all([promise2, promise3]).then(imgs => {
      ctx.save();
      ctx.beginPath(); //开始绘制
      that.handleBorderRect(ctx, 0, 0, 551 * ratio, 407 * ratio, 25 * ratio, '#ccc')
      ctx.clip();//画好了圆 剪切  原始画布中剪切任意形状和尺寸。一旦剪切了某个区域，则所有之后的绘图都会被限制在被剪切的区域内 这也是我们要save上下文的原因
      ctx.drawImage(imgs[0].path, 0, 0, 551 * ratio, 407 * ratio);
      ctx.restore();
      ctx.save();
      that.handleBorderRect2(ctx, 0, 407 * ratio, 551 * ratio, 236 * ratio, 25 * ratio, '#fff')
      ctx.restore();
      // 绘制二维码
      ctx.drawImage(imgs[1].path, 373 * ratio, 495 * ratio, 137 * ratio, 137 * ratio);
      // 开始文字绘制
      ctx.setFillStyle("#000");
      ctx.setFontSize(30 * ratio); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      that.drawText(ctx, that.data.sceneInfo.title, 25 * ratio, 450 * ratio, 480 * ratio, ratio);
      // 售价
      ctx.setFillStyle("#D62828");
      ctx.setFontSize(40 * ratio); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      let price = "￥" + (that.data.sceneInfo.price / 100);
      let width = ctx.measureText(price).width;
      ctx.fillText(price, 25 * ratio, 620 * ratio);
      // 副标题
      ctx.setFillStyle("#999999");
      ctx.setFontSize(28 * ratio); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      let subtitle = that.data.sceneInfo.display_tags[0];
      if (subtitle.length > 10) {
        subtitle = subtitle.substr(0, 10) + '...'
      }
      ctx.fillText(subtitle, 25 * ratio, 540 * ratio);
      // ctx.draw();
      // 划线价
      // ctx.setFillStyle("#999999");
      // ctx.setFontSize(32 * ratio); //字大小
      // ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      // let market_price = "￥"+(Number(that.data.sceneInfo.market_price)/100)
      // ctx.fillText(market_price, 40*ratio + width, 620*ratio);
      // let market_price_width = ctx.measureText(market_price).width;
      // 划线
      // ctx.beginPath()
      // ctx.setLineWidth(1)
      // ctx.moveTo(40*ratio + width, 608*ratio)
      // ctx.lineTo(45*ratio + width, 608*ratio)
      // ctx.stroke();
      // 长按识别二维码
      // ctx.setFillStyle("#666");
      // ctx.setFontSize(22 * ratio); //字大小
      // ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      // ctx.fillText("长按识别二维码", 404*ratio, 710*ratio);
      // 长按图片转发或保存
      // ctx.setFillStyle("#000");
      // ctx.setFontSize(24 * ratio); //字大小
      // ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      // ctx.fillText("长按图片保存到本地",(592*ratio - ctx.measureText("长按图片保存到本地").width)/2, 740*ratio);
      ctx.draw();
      // 转为图片
      setTimeout(() => {
        wx.canvasToTempFilePath({
          x: 0,
          y: 0,
          canvasId: 'imageCanvas',
          success: function (res) {
            that.setData({
              shareImg: res.tempFilePath
            })
          },
          fail(err) {
            console.log('agdgjgdajhg', err)
          }
        })
      }, 500)
      return false;
    }).catch(err => {
      console.log("this err", err)
    })
  },
  // 圆角矩形
  handleBorderRect(ctx, x, y, w, h, r, color) {
    ctx.beginPath();
    ctx.moveTo(x + w, y + h);
    ctx.lineTo(x, y + h)
    // 左上角
    ctx.arc(x + r, y + r, r, Math.PI, 1.5 * Math.PI);
    ctx.moveTo(x + r, y);
    ctx.lineTo(x + w - r, y);
    ctx.lineTo(x + w, y + r);
    // 右上角
    ctx.arc(x + w - r, y + r, r, 1.5 * Math.PI, 2 * Math.PI);
    ctx.lineTo(x + w, y + h);
    ctx.lineTo(x + w - r, y + h);
    ctx.fillStyle = color;
    ctx.fill();
    ctx.closePath();
  },
  handleBorderRect2(ctx, x, y, w, h, r, color) {
    ctx.beginPath();
    ctx.moveTo(x, y);
    ctx.lineTo(x + w, y)
    // 右下角
    ctx.arc(x + w - r, y + h - r, r, 0, 0.5 * Math.PI);
    ctx.lineTo(x + r, y + h);
    ctx.lineTo(x, y + h - r);
    // 左下角
    ctx.arc(x + r, y + h - r, r, 0.5 * Math.PI, Math.PI);
    ctx.lineTo(x, y);
    ctx.lineTo(x, y);
    ctx.fillStyle = color;
    ctx.fill();
    ctx.closePath();
  },
  // 绘制两行文字
  drawText: function (ctx, str, x, y, canvasWidth, ratio) {
    let row = [], temp = "", chr = str.split("");
    for (var a = 0; a < chr.length; a++) {
      if (ctx.measureText(temp).width < canvasWidth) {
        temp += chr[a];
      }
      else {
        a--; //这里添加了a-- 是为了防止字符丢失，效果图中有对比
        row.push(temp);
        temp = "";
      }
    }
    row.push(temp);

    //如果数组长度大于2 则截取前两个
    if (row.length > 2) {
      var rowCut = row.slice(0, 2);
      var rowPart = rowCut[1];
      var test = "";
      var empty = [];
      for (var a = 0; a < rowPart.length; a++) {
        if (ctx.measureText(test).width < canvasWidth - 30 * ratio) {
          test += rowPart[a];
        }
        else {
          break;
        }
      }
      empty.push(test);
      var group = empty[0] + "..."//这里只显示两行，超出的用...表示
      rowCut.splice(1, 1, group);
      row = rowCut;
    }
    for (var b = 0; b < row.length; b++) {
      ctx.fillText(row[b], x, y + b * 40 * ratio, canvasWidth);
    }
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
    if(app.globalData.configJson){
      this.setData({
        isTest: app.globalData.configJson.isTest
      })
    }
    else {
      setTimeout(()=>{
        this.onReady()
      },300)
    }
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    // if(!wx.getStorageSync('jstrip_token')){
    //   return;
    // }
    // if(this.data.sceneInfo && this.data.sceneInfo.id){
    //   this.drawImg()
    // }
    // else {
    //   setTimeout(()=>{
    //     this.onShow()
    //   },200)
    // }
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 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 () {

  },

  /**
   * 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 () {

  }
})