iboss_wx_app/components/dkbase/dk-guide/dk-guide.js

/*******************************************************************************
* Copyright(c) 2022 dongke All rights reserved. / Confidential
* 类的信息：
*		1.程序名称：
*		2.功能描述：dk-guide 新手引导
* 编辑履历：
*		作者				日期					版本			修改内容
*		admin		  2024-05-14	  1.00		   新建
*******************************************************************************/

Component({
  /**
   * 组件的对外属性
   */
  properties: {
    step: {
      type: Object,
      default: () => { },
    },
  },

  data: {
    stepName: "step", //该提示步骤的名称，用于不在重复展示
    guideList: [],
    index: 0, // 当前展示的索引
    showGuide: true, // 是否显示引导
    guideStyle: "", // 默认样式
    arrowTop: "", //步骤提示三角形的定位
    tipPosition: "", //步骤提示的定位
    systemInfo: "", //屏幕宽度高度等信息
    tipWidth: 200, //步骤提示默认的宽度
  },
  lifetimes: {
    attached: function () {
      const { step } = this.properties;
      let { guideList, stepName } = this.data;
      guideList = step.guideList;
      stepName = step.name;
      //   const systemInfo = wx.getSystemInfoSync();
      //   systemInfo = systemInfo;
      this.setData({
        guideList,
        stepName,
        systemInfo: wx.getSystemInfoSync(),
      });
      const guide = wx.getStorageSync(step.name);
      if (!guide) {
        this.getDomInfo();
      } else {
        this.setData({
          showGuide: false,
        });
        // this.showGuide = false;
      }
    },
    detached: function () {
      // 在组件实例被从页面节点树移除时执行
    },
  },
  /**
   * 组件的方法列表
   */
  methods: {
    // 展示新手提示
    viewTips(data, scrollTop) {
      let {
        systemInfo,
        tipWidth,
        index,
        guideList,
        arrowTop,
        tipPosition,
        guideStyle,
      } = this.data;
      if (data) {
        // 如果dom宽度大于或者等于窗口宽度,需要重新调整dom展示宽度
        let newWidth = systemInfo.windowWidth - 20;
        if (data.width >= newWidth) {
          data.width = newWidth;
        }
        // 如果距离左边为0,自动增加一点左边距
        if (data.left == 0) {
          data.left = 10;
        }
        let domRW = systemInfo.windowWidth - data.left;
        let left = 0;
        // 如果dom距离右边没有tips的宽度大的话,就要让tips向左便宜
        if (domRW < tipWidth) {
          left = domRW - tipWidth - 30;
        }
        // const index = index;
        // 步骤条展示的高度需要加上屏幕滚动的高度
        // data.top += scrollTop;
        // // 根据实际情况需要滚动到展示区域
        // wx.pageScrollTo({
        //   scrollTop: data.top > 20 ? data.top - 20 : 0,
        //   duration: 100,
        // });
        let obj = Object.assign(guideList[index], data);
        // 设置三角形高度
        let arrArrowTop = data.height + 9;
        // arrowTop = "top:" + arrArrowTop + "px;";
        arrowTop = "bottom:" + arrArrowTop + "px;";
        // 设置提示框定位
        // tipPosition = "top:" + (arrArrowTop + 5) + "px;left:" + left + "px;";
        tipPosition = "bottom:" + (arrArrowTop + 5) + "px;left:" + left + "px;";
        // 显示在下方
        if(data.top < 30){
          arrowTop = "top:" + arrArrowTop + "px;background: #1cbbb4";
          tipPosition = "top:" + (arrArrowTop + 5) + "px;left:" + left + "px;";
        }
        if(guideList[index].fixed){
          tipPosition += "position:fixed";
        }
        // 重新设置guideList的值
        guideList.splice(index, 1, obj);
        guideStyle = this.getStyle();
        if(guideList[index].fixed){
          guideStyle += ";position:fixed";
        }
        this.setData({
          arrowTop,
          tipPosition,
          guideList,
          guideStyle,
        });
      } else {
        index += 1;
        this.setData({
          index,
        });
        this.getDomInfo();
      }
    },
    // 获取步骤提示的主要样式
    getStyle() {
      const { guideList, index } = this.data;
      const { width, height, left, top, style } = guideList[index];
      let newstyle = "width:" + width + "px;";
      newstyle += "height:" + height + "px;";
      newstyle += "left:" + left + "px;";
      newstyle += "top:" + top + "px;";
      newstyle +=
        "box-shadow: rgb(33 33 33 / 80%) 0px 0px 0px 0px, rgb(33 33 33 / 50%) 0px 0px 0px 5000px;border-radius:8rpx:margin:0";
      newstyle += style;
      return newstyle;
    },
    // 获取dom信息
    getDomInfo() {
      const { guideList, index } = this.data;
      const { el } = guideList[index];
      //   const query = wx.createSelectorQuery().in(this.$root);
      let query = wx.createSelectorQuery();
 
      setTimeout(() => {
        query.select(el).boundingClientRect();
        query.selectViewport().scrollOffset();
        var _this = this;
        query.exec(function (res) {
          let data = res[0]; // #the-id节点的上边界坐标
          // data.height = data.height?data.height:'88rpx'
          // data.width= data.width?data.width:'100%'
          let scrollTop = res[1].scrollTop; // 显示区域的竖直滚动位置
          _this.viewTips(data, scrollTop);
        });
      }, 10);
    },
    skip() {
      this.setData({
        showGuide: false,
      });
      wx.setStorageSync(this.data.stepName, "true");
    },
    // 下一步
    next() {
      let { index, guideList, stepName } = this.data;
      if (index === guideList.length - 1) {
        this.setData({
          showGuide: false,
        });
        wx.setStorageSync(stepName, "true");
      } else {
        index += 1;
        this.setData({
          index,
        });
        this.getDomInfo();
      }
    },
  },
})