8合并

闫增涛

2024-07-22 3ee26fb583c0c0a0caca79ca3010491a794534cc

 src/books/English/view/components/index.vue

@@ -1,15 +1,986 @@
<template>
  <div>

  <div class="page-main" @scroll="throttledScrollHandler">
    <div
      class="page-content"
      :style="{
        fontSize: fontSize ? fontSize + 'px' : '16px',
        transform: `scale(${pageZoom ? pageZoom : 1})`,
        transformOrigin: 'center top',
      }"
    >
      <pageHeader
        v-if="showCatalogList.indexOf(1) > -1"
        :showPageList="loadPageList"
      ></pageHeader>
      <chapterOne
        @saveCharacters="saveCharacters"
        @initViewer="initViewer"
        v-if="showCatalogList.indexOf(2) > -1"
        :showPageList="loadPageList"
      ></chapterOne>
      <chapterTwo
        @saveCharacters="saveCharacters"
        @initViewer="initViewer"
        v-if="showCatalogList.indexOf(3) > -1"
        :showPageList="loadPageList"
      ></chapterTwo>
      <chapterThree
        @saveCharacters="saveCharacters"
        @initViewer="initViewer"
        v-if="showCatalogList.indexOf(4) > -1"
        :showPageList="loadPageList"
      ></chapterThree>
      <chapterFour
        @saveCharacters="saveCharacters"
        @initViewer="initViewer"
        v-if="showCatalogList.indexOf(5) > -1"
        :showPageList="loadPageList"
      ></chapterFour>
      <chapterFive
        @saveCharacters="saveCharacters"
        @initViewer="initViewer"
        v-if="showCatalogList.indexOf(6) > -1"
        :showPageList="loadPageList"
      ></chapterFive>
      <chapterSix
        @saveCharacters="saveCharacters"
        @initViewer="initViewer"
        v-if="showCatalogList.indexOf(7) > -1"
        :showPageList="loadPageList"
      ></chapterSix>
      <chapterSeven
        @saveCharacters="saveCharacters"
        @initViewer="initViewer"
        v-if="showCatalogList.indexOf(8) > -1"
        :showPageList="loadPageList"
      ></chapterSeven>
      <chapterEight
        @saveCharacters="saveCharacters"
        @initViewer="initViewer"
        v-if="showCatalogList.indexOf(9) > -1"
        :showPageList="loadPageList"
      ></chapterEight>
      
    </div>
    <miniAudio
      :path="audioPath"
      :currentTime="currentTime"
      @closeMiniAudio="closeMiniAudio"
      ref="audioPlayer"
    >
    </miniAudio>
  </div>
</template>

<script>
  export default {
    name:'pageContent'
  }
import pageHeader from "./header.vue";
import chapterOne from "./chapter001.vue";
import chapterTwo from "./chapter002.vue";
import chapterThree from "./chapter003.vue";
import chapterFour from "./chapter004.vue";
import chapterFive from "./chapter005.vue";
import chapterSix from "./chapter006.vue";
import chapterSeven from "./chapter007.vue";
import chapterEight from "./chapter008.vue";
import miniAudio from "@/components/miniAudio/index.vue";
import NoteIcon from "@/assets/images/biji.png";
import _ from "lodash";
import Swiper from "swiper/bundle";
import "swiper/swiper-bundle.css";
import Viewer from "viewerjs";
import "viewerjs/dist/viewer.css";
export default {
  data() {
    return {
      catalogLength: 9, // 总章节数
      showCatalogList: [], // 显示的章节
      loadThreshold: 300, // 触发加载阈值
      throttleThreshold: 100, // 节流阈值
      previousScrollTop: 0,
      throttledScrollHandler: null,
      observer: null,
      loadPageObserver: null,
      loadPageList: [],
      questionDataMap: {},
      renderSignMap: {},
      highlightData: null,
      audioPath: "",
      currentTime: null,
      videoList: [],
    };
  },
  computed: {
    fontSize() {
      return this.$store.state.qiankun.fontSize;
    },
    pageZoom() {
      return this.$store.state.qiankun.scale / 100;
    },
  },
  watch: {
    showCatalogList: {
      handler(newVal, oldVal) {
        if (
          this.$store.state.qiankun &&
          this.$store.state.qiankun.catalogChange
        ) {
          // 调用父层方法
          this.$store.state.qiankun.catalogChange({
            showCatalogList: newVal,
          });
        }
        // 启动页码观察
        setTimeout(() => {
          this.initObservation();
          this.initThemeColor();
        }, 500);
      },
    },
    loadPageList: {
      handler(newVal, oldVal) {
        setTimeout(() => {
          this.initSwiper();
          this.initViewer();
          this.closeAudio()
        }, 200);
      },
    },
    pageZoom: {
      handler(newVal, oldVal) {
        const scrollBox = (
          this.container ? this.container : document
        ).querySelector(".page-main");
        scrollBox.scrollTop = (scrollBox.scrollTop / oldVal) * newVal;
      },
    },
  },
  mounted() {
    // 默认加载章节
    this.showCatalogList = [1];
    // 滚动监听节流
    this.throttledScrollHandler = _.throttle(
      this.scrollFun,
      this.throttleThreshold,
      { leading: true, trailing: false }
    );
    // 定义子层方法
    if (this.setGlobalState) {
      // 提供页面跳转功能
      this.setGlobalState({
        gotoPage: (catalog, page) => {
          this.gotoPage(catalog, page);
        },
        // 渲染笔记、高亮、划线
        renderSign: (type, data) => {
          // 因为调整为页面懒加载，所以渲染标记也需要按照页面进行处理，先储存数据，页面加载完成再渲染对应的标记；
          this.handelSignData(type, data);
          // this.renderSign(type, data);
        },
        // 删除笔记、高亮、划线
        delSign: (data) => {
          this.delSign(data);
        },
        // 全文检索
        searchBookByKeyword: (keyword) => {
          return this.searchTextByPage(keyword);
        },
        // 跳转检索结果位置
        jumpSearchItem: (data) => {
          this.searchItemLocation(data);
        },
      });
    }

    // 创建一个新的 Intersection Observer 实例，用于观察目标元素和执行相应的回调函数。
    // new IntersectionObserver(callback, options)：使用之前定义的 callback 回调函数和 options 配置选项来初始化 Intersection Observer 实例。
    this.observer = new IntersectionObserver(this.pageChangeCallback, {
      root: null, // 指定根元素，这里设为 null，表示选取整个视窗作为根元素。
      rootMargin: "0px", // 指定根元素的边界，这里设为 "0px"，表示根元素的边界和视窗的边界重合
      threshold: 0.5, // 指定交叉比例，这里设为 0.5，表示当目标元素一半或更多显示在视窗中时触发回调函数。
    });

    this.loadPageObserver = new IntersectionObserver(this.loadPageCallback, {
      root: null, // 指定根元素，这里设为 null，表示选取整个视窗作为根元素。
      rootMargin: "0px", // 指定根元素的边界，这里设为 "0px"，表示根元素的边界和视窗的边界重合
      threshold: 0, // 指定交叉比例，这里设为 0.5，表示当目标元素一半或更多显示在视窗中时触发回调函数。
    });

    // 启动页码观察
    setTimeout(() => {
      this.initObservation();
      this.initThemeColor();
    }, 500);

    // 测试页面跳转
     setTimeout(() => {
      this.gotoPage(8,155);
    //   setTimeout(() => {
    //     this.renderSign("Highlight", {
    //       id: "2ACA9359",
    //       txt: "题一学习主题一 运动",
    //       page: "10",
    //       type: "Highlight",
    //       color: "#F5E12A"
    //     });
    // setTimeout(() => {
    //   this.delSign({
    //     ids: ["2ACA9359"]
    //   });
    // }, 2000);
    //   }, 5000);

    // const pageDom = (this.container ? this.container : document)
    //   .querySelector("#app")
    //   .querySelectorAll(".page-box");
    // 检索
    // console.log(this.searchTextByPage("保护内脏器官"), "searchTextByPage");
    // 检索跳转
    // this.searchItemLocation({
    //   catalog: 2,
    //   page: 10,
    //   txt: " 运动系统是由骨、骨连结和骨骼肌三部分组成的。全身的骨通过骨连结组成人体骨骼（见图1-1）。骨骼是人体的支架，具有保护内脏器官、供肌肉附着和作为肌肉运动的杠杆等作用。在神经系统的支配下，肌肉收缩牵动所附着的骨绕着关节转动，使身体产生各种动作。所以，运动系统具有运动、支持和保护等功能，幼年时期的骨骼还具有造血功能。 ",
    //   txtIndex: 57
    // });
      }, 50);
  },
  methods: {
    // setZoom1() {
    //   let scale = this.$store.state.qiankun.scale + 10;
    //   const scrollBox = (
    //     this.container ? this.container : document
    //   ).querySelector(".page-main");
    //   this.$store.commit("setZoom", scale);
    // },
    // setZoom2() {
    //   let scale = this.$store.state.qiankun.scale - 10;
    //   const scrollBox = (
    //     this.container ? this.container : document
    //   ).querySelector(".page-main");
    //   this.$store.commit("setZoom", scale);
    // },
    // 滚动监听
    scrollFun(event) {
      // 判断向上滚动还是向下滚动
      if (event.target.scrollTop > this.previousScrollTop) {
        this.getAduio();
        // 向下
        const currentScrollTop =
          event.target.scrollTop + event.target.offsetHeight;
        if (
          currentScrollTop >=
          event.target.scrollHeight - this.loadThreshold
        ) {
          // 到达阈值
          if (
            this.showCatalogList[this.showCatalogList.length - 1] <
            this.catalogLength
          ) {
            // 加载下一章
            this.showCatalogList.push(
              this.showCatalogList[this.showCatalogList.length - 1] + 1
            );
            if (this.showCatalogList.length > 3) {
              // 超过三章隐藏顶部一章
              this.showCatalogList.shift();
            }
          }
        }
      } else if (event.target.scrollTop < this.previousScrollTop) {
        this.handleAudio();
        // 向上
        const currentScrollTop = event.target.scrollTop;
        if (currentScrollTop <= this.loadThreshold) {
          // 到达阈值
          if (this.showCatalogList[0] > 0) {
            // 加载上一章
            this.showCatalogList.unshift(this.showCatalogList[0] - 1);
            if (this.showCatalogList.length > 3) {
              // 超过三章隐藏底部一章
              this.showCatalogList.pop();
            }
          }
        }
      }
      // showCatalogList 当前显示的三个章节，watch监听传递给主应用
      // 更新上一次滚动的位置
      this.previousScrollTop = event.target.scrollTop;
    },
    // 章节、页面跳转
    gotoPage(catalog, page) {
      if (catalog >= 0 && catalog <= this.catalogLength) {
        // 处理渲染章节
        if (catalog == 0) {
          this.showCatalogList = [0, 1];
        } else if (catalog == this.catalogLength) {
          this.showCatalogList = [
            this.catalogLength - 2,
            this.catalogLength - 1,
            this.catalogLength,
          ];
        } else {
          this.showCatalogList = [catalog - 1, catalog, catalog + 1];
        }
        setTimeout(() => {
          // 跳转页码
          const pageDom = (
            this.container ? this.container : document
          ).querySelector(`[page="${page}"]`);
          if (pageDom) {
            pageDom.scrollIntoView();
          } else {
            console.log("页码错误！");
          }
        }, 500);
      } else {
        console.log("章节错误！");
      }
    },

    // 处理标记数据
    handelSignData(type, data) {
      if (this.loadPageList.indexOf(Number(data.page)) > -1) {
        // 立即渲染
        this.renderSign(type, data);
      }

      // 储存数据
      if (!this.renderSignMap[type]) this.renderSignMap[type] = {};
      if (!this.renderSignMap[type][data.page])
        this.renderSignMap[type][data.page] = [];
      this.renderSignMap[type][data.page].push(data);
    },

    // 渲染标记
    renderSign(type, data) {
      // 父层设置禁止渲染标记时不再进行渲染
      if (this.$store.state.qiankun.disableSign) {
        return false;
      }
      const existence = (
        this.container ? this.container : document
      ).querySelector(`[dataid="${data.id}"]`);
      // 去重
      if (!existence) {
        const pageDom = (
          this.container ? this.container : document
        ).querySelector(`[page="${data.page}"]`);
        // 创建 createTreeWalker 迭代器，用于遍历文本节点，保存到一个数组
        const treeWalker = document.createTreeWalker(
          pageDom,
          NodeFilter.SHOW_TEXT
        );
        const allTextNodes = [];
        let currentNode = treeWalker.nextNode();
        while (currentNode) {
          allTextNodes.push(currentNode);
          currentNode = treeWalker.nextNode();
        }
        for (let i = 0; i < allTextNodes.length; i++) {
          const textDom = allTextNodes[i];
          if (textDom.textContent.indexOf(data.txt) > -1) {
            let reg = new RegExp(`${data.txt}`, "ig");
            switch (type) {
              case "Highlight":
                // 高亮
                textDom.parentNode.innerHTML =
                  textDom.parentNode.innerHTML.replace(
                    reg,
                    `<span datatype="Highlight" dataid="${data.id}" style="background: ${data.color};" class="highLight" onclick="signClick('Highlight','${data.id}','${data.chapterNum}')">${data.txt}</span>`
                  );
                break;
              case "Dashing":
                // 划线
                textDom.parentNode.innerHTML =
                  textDom.parentNode.innerHTML.replace(
                    reg,
                    `<span datatype="Dashing" dataid="${data.id}" style="text-decoration-color:${data.color};" class="underline" onclick="signClick('Dashing','${data.id}','${data.chapterNum}')">${data.txt}</span>`
                  );
                break;
              case "Note":
                // 笔记
                textDom.parentNode.innerHTML =
                  textDom.parentNode.innerHTML.replace(
                    reg,
                    `<span datatype="Note" dataid="${data.id}" style="border-bottom-color:${data.color}" class="notesline" onclick="signClick('Note','${data.id}','${data.chapterNum}')" onmouseover="noteHover('Note','${data.id}','${data.chapterNum}')" onmouseout="noteOut('Note')">${data.txt}<img src="${NoteIcon}"/></span>`
                  );
                break;
            }
          }
        }
      }
    },
    // 删除标记渲染
    delSign({ ids, type }) {
      if (ids && ids.length) {
        for (let i = 0; i < ids.length; i++) {
          const id = ids[i];
          const dom = (
            this.container ? this.container : document
          ).querySelector(`[dataid="${id}"]`);
          dom.parentNode.innerHTML = dom.parentNode.innerHTML.replace(
            dom.outerHTML,
            dom.outerText
          );
        }
      }
      if (type) {
        const doms = (
          this.container ? this.container : document
        ).querySelectorAll(`[datatype="${type}"]`);
        for (let i = 0; i < doms.length; i++) {
          const dom = doms[i];
          dom.parentNode.innerHTML = dom.parentNode.innerHTML.replace(
            dom.outerHTML,
            dom.outerText
          );
        }
      }
    },
    initObservation() {
      const sections = (
        this.container ? this.container : document
      ).querySelectorAll(".page-box");
      sections.forEach((section) => {
        if (this.config.activeBook && this.config.activeBook.tryPageCount) {
          const page = section.getAttribute("page");
          if (Number(page) > this.config.activeBook.tryPageCount) {
            let chapterDom = this.getParentWithClass(section, "chapter");
            const chapterNum = chapterDom.getAttribute("num");
            this.catalogLength = Number(chapterNum) - 1;
            section.remove();
            return false;
          }
        }
        // observer 观察每个元素，以便在它们进入或离开视窗时触发回调函数。
        const isObserver = section.getAttribute("observer");
        const isLoadObserver = section.getAttribute("loadObserver");
        if (!isObserver) {
          this.observer.observe(section);
          section.setAttribute("observer", "1");
        }
        if (!isLoadObserver) {
          this.loadPageObserver.observe(section);
          section.setAttribute("loadObserver", "1");
        }
      });
    },
    initThemeColor() {
      // 获取各种需要主题色的节点
      const colorDom = (
        this.container ? this.container : document
      ).querySelectorAll(".theme-color");
      const backgroundColorDom = (
        this.container ? this.container : document
      ).querySelectorAll(".theme-back");
      const borderColorDom = (
        this.container ? this.container : document
      ).querySelectorAll(".theme-border");
      // 获取配置的主题色
      const bookThemeColor =
        this.config.activeBook && this.config.activeBook.bookThemeColor
          ? this.config.activeBook.bookThemeColor
          : null;
      const chapterThemeColor =
        this.config.activeBook && this.config.activeBook.chapterThemeColor
          ? this.config.activeBook.chapterThemeColor
          : null;
      const pageThemeColor =
        this.config.activeBook && this.config.activeBook.pageThemeColor
          ? this.config.activeBook.pageThemeColor
          : null;
      colorDom.forEach((domItem) => {
        // 获取章节、页码
        let pageDom = this.getParentWithClass(domItem, "page-box");
        let chapterDom = this.getParentWithClass(domItem, "chapter");
        let page, chapterNum;
        if (pageDom) page = pageDom.getAttribute("page");
        if (chapterDom) chapterNum = chapterDom.getAttribute("num");
        // 向上匹配主题色
        const themeColor =
          page && pageThemeColor && pageThemeColor[page]
            ? pageThemeColor[page]
            : chapterNum && chapterThemeColor && chapterThemeColor[chapterNum]
            ? chapterThemeColor[chapterNum]
            : bookThemeColor;
        if (themeColor) {
          domItem.style.color = themeColor;
        }
      });
      backgroundColorDom.forEach((domItem) => {
        // 获取章节、页码
        let pageDom = this.getParentWithClass(domItem, "page-box");
        let chapterDom = this.getParentWithClass(domItem, "chapter");
        let page, chapterNum;
        if (pageDom) page = pageDom.getAttribute("page");
        if (chapterDom) chapterNum = chapterDom.getAttribute("num");
        // 向上匹配主题色
        const themeColor =
          page && pageThemeColor && pageThemeColor[page]
            ? pageThemeColor[page]
            : chapterNum && chapterThemeColor && chapterThemeColor[chapterNum]
            ? chapterThemeColor[chapterNum]
            : bookThemeColor;
        if (themeColor) {
          domItem.style.backgroundColor = themeColor;
        }
      });
      borderColorDom.forEach((domItem) => {
        // 获取章节、页码
        let pageDom = this.getParentWithClass(domItem, "page-box");
        let chapterDom = this.getParentWithClass(domItem, "chapter");
        let page, chapterNum;
        if (pageDom) page = pageDom.getAttribute("page");
        if (chapterDom) chapterNum = chapterDom.getAttribute("num");
        // 向上匹配主题色
        const themeColor =
          page && pageThemeColor && pageThemeColor[page]
            ? pageThemeColor[page]
            : chapterNum && chapterThemeColor && chapterThemeColor[chapterNum]
            ? chapterThemeColor[chapterNum]
            : bookThemeColor;
        if (themeColor) {
          domItem.style.borderColor = themeColor;
        }
      });
    },
    getParentWithClass(element, className) {
      console.log(element, className, "element, className");
      while (element.parentElement) {
        element = element.parentElement;
        if (element.classList.contains(className)) {
          return element;
        }
      }
    },
    pageChangeCallback(entries, observer) {
      //entries：代表观察到的目标元素的集合。 observer：代表观察者对象。
      entries.forEach((entry) => {
        //entry.isIntersecting：检查当前目标元素是否与根元素相交。
        if (entry.isIntersecting) {
          const target = entry.target;
          //entry.target：获取当前目标元素
          const page = target.getAttribute("page");
          const catalogDom = this.tool.getParentNodeByClassName(
            target,
            "chapter"
          );
          const catalog = catalogDom.getAttribute("num");
          let text = null;
          if (target.querySelector("p")) {
            text = target.querySelector("p").textContent.substring(0, 50);
          }
          // 返回页码和章节信息
          if (this.$store.state.qiankun && this.$store.state.qiankun.pageChange)
            this.$store.state.qiankun.pageChange({
              page: page,
              catalog: catalog,
              text,
            });
          // const sections = Array.from(document.querySelectorAll(".section"));
          //sections：获取所有具有 .section 类名的元素，并转换为数组。
          // let index = sections.findIndex((section) => section === target) + 1;
          //index：查找当前目标元素在 sections 数组中的索引，并加 1，用于确定当前页码。
        }
      });
    },
    loadPageCallback(entries, observer) {
      entries.forEach(async (entry) => {
        if (entry.isIntersecting) {
          const target = entry.target;
          const page = target.getAttribute("page");
          if (this.loadPageList.indexOf(Number(page)) == -1) {
            const catalogDom = this.tool.getParentNodeByClassName(
              target,
              "chapter"
            );
            // 添加页码
            this.loadPageList.push(Number(page));
            const catalog = catalogDom.getAttribute("num");
            // if (!this.questionDataMap[page]) {
            //   if (testData && testData[catalog]) {
            //     if (testData[catalog][page]) {
            //       if (Array.isArray(testData[catalog][page])) {
            //         this.questionDataMap[page] = await getQuestionList(
            //           page,
            //           testData[catalog][page],
            //           this.config.activeBook
            //         );
            //       } else {
            //         const obj = {};
            //         for (let key in testData[catalog][page]) {
            //           obj[key] = await getQuestionList(
            //             [],
            //             testData[catalog][page][key],
            //             this.config.activeBook
            //           );
            //         }
            //         this.questionDataMap[page] = obj;
            //       }
            //       console.log("题目", this.questionDataMap);
            //     }
            //   }
            // }
            // 渲染这一页的标记
            for (const key in this.renderSignMap) {
              if (this.renderSignMap[key][page]) {
                this.renderSignMap[key][page].forEach((item) => {
                  this.renderSign(key, item);
                });
              }
            }
            // 处理高亮
            if (this.highlightData) {
              // 高亮行
              setTimeout(() => {
                // 获取页面所有text节点
                const pageTextList = document.createTreeWalker(
                  target,
                  NodeFilter.SHOW_TEXT
                );
                // 匹配关键字
                const allPageTextNodes = [];
                let currentNode = pageTextList.nextNode();
                while (currentNode) {
                  allPageTextNodes.push(currentNode);
                  currentNode = pageTextList.nextNode();
                }
                for (let i = 0; i < allPageTextNodes.length; i++) {
                  const textDom = allPageTextNodes[i];
                  let txtIndex = textDom.textContent.indexOf(
                    this.highlightData.txt
                  );
                  if (txtIndex > -1) {
                    textDom.parentNode.style.transition =
                      "background-color 0.8s";
                    textDom.parentNode.scrollIntoView();
                    textDom.parentNode.style.backgroundColor = "#79bbf0";
                    setTimeout(() => {
                      textDom.parentNode.style.backgroundColor = "";
                    }, 1000);
                  }
                }
              }, 100);
            }
            if (this.loadPageList.length > 5) {
              // 超过5页
              this.loadPageList.shift();
            }
          }
        }
      });
    },
    initSwiper() {
      const doms = (
        this.container ? this.container : document
      ).querySelectorAll(".swiper-img");
      for (let i = 0; i < doms.length; i++) {
        const dom = doms[i];
        new Swiper(dom, {
          loop: false, // 无缝
          autoplay: {
            //自动开始
            delay: 3000, //时间间隔
            disableOnInteraction: false, //*手动操作轮播图后不会暂停*
          },
          paginationClickable: true,
          slidesPerView: 1, // 一组三个
          spaceBetween: 30, // 间隔
          // 如果需要前进后退按钮
          navigation: {
            nextEl: dom.querySelector(".swiper-button-next"),
            prevEl: dom.querySelector(".swiper-button-prev"),
          },
          // 窗口变化,重新init,针对F11全屏和放大缩小,必须加
          observer: true,
          observeParents: true,
          // // 如果需要分页器
          // pagination: {
          //   el: (this.container ? this.container : document).querySelector(
          //     ".swiper-pagination"
          //   ),
          //   clickable: true // 分页器可以点击
          // }
        });
      }
      const pptDoms = (
        this.container ? this.container : document
      ).querySelectorAll(".swiper_ppt");
      for (let i = 0; i < pptDoms.length; i++) {
        const dom = pptDoms[i];
        new Swiper(dom, {
          loop: false, // 无缝
          autoplay: false,
          paginationClickable: true,
          slidesPerView: 1, // 一组三个
          spaceBetween: 30, // 间隔
          // 如果需要前进后退按钮
          navigation: {
            nextEl: dom.querySelector(".swiper-button-next"),
            prevEl: dom.querySelector(".swiper-button-prev"),
          },
          // 窗口变化,重新init,针对F11全屏和放大缩小,必须加
          observer: true,
          observeParents: true,
          on: {
            init: (value) => {
              let currentPage = value.activeIndex + 1; // 获取当前页（从1开始计数）
              let totalPages = value.slides.length; // 获取总页数
              var paginationInfoEl = dom.querySelector(".pageBox");
              if (paginationInfoEl)
                paginationInfoEl.textContent = currentPage + "/" + totalPages;
            },
            slideChange: (value) => {
              let currentPage = value.activeIndex + 1; // 获取当前页（从1开始计数）
              let totalPages = value.slides.length; // 获取总页数
              var paginationInfoEl = dom.querySelector(".pageBox");
              if (paginationInfoEl)
                paginationInfoEl.textContent = currentPage + "/" + totalPages;
            },
          },
        });
      }
    },
    initViewer() {
      const doms = (
        this.container ? this.container : document
      ).querySelectorAll(".openImgBox");
      for (let i = 0; i < doms.length; i++) {
        const dom = doms[i];
        new Viewer(dom, {
          container: this.container
            ? this.container.querySelector("#app")
            : "body",
          navbar: true, // 显示导航栏
          toolbar: true, // 显示工具栏
          title: true, // 显示标题
        });
      }
    },
    // 根据关键字全文检索
    searchTextByPage(keyword) {
      const searchResult = [];
      let catalogIndex = 0;
      // 所有章节组件（每本书制作时单独配置）
      const pageData = {
        pageHeader,
        chapterOne,
        chapterTwo,
        chapterThree,
        chapterFour,
        chapterFive,
        chapterSix,
        chapterSeven,
        chapterEight,
      };
      // 遍历所有章节文件
      for (const key in pageData) {
        catalogIndex++;
        let pageComponent, pageExample;
        // 先渲染一次当前章节文件（这时页面的内容为空），获取页码信息
        pageComponent = Vue.extend(pageData[key]);
        pageExample = new pageComponent({
          propsData: {
            showPageList: [],
            questionData: {},
            isSearch: true,
          },
        });
        pageExample.$mount(
          (this.container ? this.container : document).querySelector(
            "#searchContent"
          )
        );
        // 获取页码
        const pageDom = (this.container ? this.container : document)
          .querySelector("#searchDomBox")
          .querySelectorAll(".page-box");
        const pages = [];
        for (let i = 0; i < pageDom.length; i++) {
          const pageDomItem = pageDom[i];
          pages.push(Number(pageDomItem.getAttribute("page")));
        }
        // 获取页面结束，卸载销毁
        pageExample.$destroy();
        (this.container ? this.container : document).querySelector(
          "#searchDomBox"
        ).innerHTML = '<div id="searchContent"></div>';
        // 遍历页码
        if (pages.length) {
          for (let i = 0; i < pages.length; i++) {
            const pageNum = pages[i];
            // 动态渲染对应章节的页码
            pageComponent = Vue.extend(pageData[key]);
            pageExample = new pageComponent({
              propsData: {
                showPageList: [pageNum],
                questionData: {},
                isSearch: true,
              },
            });
            pageExample.$mount(
              (this.container ? this.container : document).querySelector(
                "#searchContent"
              )
            );
            // 获取对应页面dom
            const thisPageDom = (this.container ? this.container : document)
              .querySelector("#searchDomBox")
              .querySelector(`[page="${pageNum}"]`);
            if (thisPageDom) {
              // 获取页面所有text节点
              const pageTextList = document.createTreeWalker(
                thisPageDom,
                NodeFilter.SHOW_TEXT
              );
              // 匹配关键字
              const allPageTextNodes = [];
              let currentNode = pageTextList.nextNode();
              while (currentNode) {
                allPageTextNodes.push(currentNode);
                currentNode = pageTextList.nextNode();
              }
              for (let i = 0; i < allPageTextNodes.length; i++) {
                const textDom = allPageTextNodes[i];
                let txtIndex = textDom.textContent.indexOf(keyword);
                if (txtIndex > -1) {
                  // 记录关键字所在页码、章节以及匹配到的段落
                  searchResult.push({
                    page: pageNum,
                    catalog: catalogIndex,
                    txt: textDom.textContent,
                    txtIndex: txtIndex,
                  });
                }
              }
              // 结束，卸载销毁
              pageExample.$destroy();
              (this.container ? this.container : document).querySelector(
                "#searchDomBox"
              ).innerHTML = '<div id="searchContent"></div>';
            }
          }
        }
      }
      // 输出搜索结果
      console.log(searchResult);
      return searchResult;
    },
    // 根据检索结果跳转对应位置并高亮
    searchItemLocation(data) {
      // 记录高亮信息
      this.highlightData = data;
      // 跳转
      this.gotoPage(data.catalog, data.page, () => {});
    },
    // 点击事件：将生僻单词传给 主应用 从而调用词典功能
    saveCharacters(event, word) {
      console.log("生僻字", event, word);
      if (this.$store.state.qiankun && this.$store.state.qiankun.chooseWords) {
        this.$store.state.qiankun.chooseWords({
          type: "word",
          word,
          x: event.pageX,
          y: event.pageY,
        });
      }
      // chooseWords
    },

    // 页面向下滚动，音频小窗播放功能
    getAduio() {
      let allVideo = (
        this.container ? this.container : document
      ).querySelectorAll(".audio");
      allVideo = Array.from(allVideo);
      this.videoList = allVideo;
      if (allVideo.length) {
        // 查找播放状态的最后一条音频
        const playAudio = allVideo
          .reverse()
          .find((item) => item.paused == false);
        if (playAudio) {
          const bottomGap = playAudio.getBoundingClientRect().bottom;
          if (bottomGap < 0) {
            playAudio.pause();
            this.audioPath = playAudio.src;
            this.currentTime = playAudio.currentTime;
          }
        }
      }
    },
    // 页面向上滚动，音频小窗回收
    handleAudio() {
      if (!this.audioPath) return false;
      let allVideo = (
        this.container ? this.container : document
      ).querySelectorAll(".audio");
      allVideo = Array.from(allVideo);
      if (allVideo.length) {
        //查找与小窗播放音频同源的页面audio DOM
        const playAudio = allVideo.find((item) => item.src == this.audioPath);
        if (playAudio) {
          const bottomGap = playAudio.getBoundingClientRect().bottom;
          if (bottomGap >= 0) {
            if (this.$refs.audioPlayer) {
              const playerState = this.$refs.audioPlayer.getVideoPlayer();
              this.audioPath = "";
              playAudio.currentTime = playerState.currentTime;
              if (!playerState.paused) playAudio.play();
            }
          }
        }
      }
    },
    // 关闭mini video
    closeMiniAudio() {
      this.audioPath = "";
    },
    // 点击音频播放，关闭其他音频
    closeAudio() {
      let allAudio = (
        this.container ? this.container : document
      ).querySelectorAll(".audio");
      for (let index = 0; index < allAudio.length; index++) {
        const item = allAudio[index];
        item.addEventListener("play", () => {
          const audioList = Array.from(allAudio);
          for (let cindex = 0; cindex < audioList.length; cindex++) {
            const citem = audioList[cindex];
            if (citem.currentSrc != item.src) {
              citem.pause();
            }
          }
          this.closeMiniAudio();
        });
      }
    },
  },
  components: {
    pageHeader,
    chapterOne,
    chapterTwo,
    chapterThree,
    chapterFour,
    chapterFive,
    chapterSix,
    chapterSeven,
    chapterEight,
    miniAudio,
  },
};
</script>

<style lang="less" scoped>
.page-main {
  width: 100%;
  height: 100%;
  overflow: auto;

</style>
  .page-content {
    max-width: 816px;
    min-width: 375px;
    margin: 0 auto;
    padding-bottom: 100px;
  }
}
</style>