优化

unknown

2024-05-29 aea98d166ba5f5f2bc15ce99035b331302f42831

 src/books/childHealth/view/content/index.vue

@@ -1,21 +1,79 @@
<template>
  <div class="page-main" @scroll="throttledScrollHandler">
    <div class="page-content">
      <pageHeader v-if="showCatalogList.indexOf(0) > -1"></pageHeader>
      <chapterOne v-if="showCatalogList.indexOf(1) > -1"></chapterOne>
      <chapterTwo v-if="showCatalogList.indexOf(2) > -1"></chapterTwo>
      <chapterThree v-if="showCatalogList.indexOf(3) > -1"></chapterThree>
      <chapterFour v-if="showCatalogList.indexOf(4) > -1"></chapterFour>
      <chapterFive v-if="showCatalogList.indexOf(5) > -1"></chapterFive>
      <chapterSix v-if="showCatalogList.indexOf(6) > -1"></chapterSix>
      <chapterSeven v-if="showCatalogList.indexOf(7) > -1"></chapterSeven>
      <chapterEight v-if="showCatalogList.indexOf(8) > -1"></chapterEight>
      <chapterNine v-if="showCatalogList.indexOf(9) > -1"></chapterNine>
      <chapterTen v-if="showCatalogList.indexOf(10) > -1"></chapterTen>
      <chapterEleven v-if="showCatalogList.indexOf(11) > -1"></chapterEleven>
      <chapterTwelve v-if="showCatalogList.indexOf(12) > -1"></chapterTwelve>
      <chapterThirteen
    <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
        v-if="showCatalogList.indexOf(2) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterOne>
      <chapterTwo
        v-if="showCatalogList.indexOf(3) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterTwo>
      <chapterThree
        v-if="showCatalogList.indexOf(4) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterThree>
      <chapterFour
        v-if="showCatalogList.indexOf(5) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterFour>
      <chapterFive
        v-if="showCatalogList.indexOf(6) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterFive>
      <chapterSix
        v-if="showCatalogList.indexOf(7) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterSix>
      <chapterSeven
        v-if="showCatalogList.indexOf(8) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterSeven>
      <chapterEight
        v-if="showCatalogList.indexOf(9) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterEight>
      <chapterNine
        v-if="showCatalogList.indexOf(10) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterNine>
      <chapterTen
        v-if="showCatalogList.indexOf(11) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterTen>
      <chapterEleven
        v-if="showCatalogList.indexOf(12) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
      ></chapterEleven>
      <chapterTwelve
        v-if="showCatalogList.indexOf(13) > -1"
        :showPageList="loadPageList"
      ></chapterTwelve>
      <chapterThirteen
        v-if="showCatalogList.indexOf(14) > -1"
        :showPageList="loadPageList"
      ></chapterThirteen>
    </div>
  </div>
@@ -38,6 +96,8 @@
import chapterThirteen from "./components/chapter013.vue";
import NoteIcon from "@/assets/images/biji.png";
import _ from "lodash";
import getQuestionList from "@/assets/methods/examination";
import testData from "../../assets/examinationList";
export default {
  data() {
    return {
@@ -47,8 +107,19 @@
      throttleThreshold: 100, // 节流阈值
      previousScrollTop: 0,
      throttledScrollHandler: null,
      observer: null
      observer: null,
      loadPageObserver: null,
      loadPageList: [],
      questionData: {},
    };
  },
  computed: {
    fontSize() {
      return this.$store.state.qiankun.fontSize;
    },
    pageZoom() {
      return this.$store.state.qiankun.scale / 100;
    },
  },
  watch: {
    showCatalogList: {
@@ -59,7 +130,7 @@
        ) {
          // 调用父层方法
          this.$store.state.qiankun.catalogChange({
            showCatalogList: newVal
            showCatalogList: newVal,
          });
        }
        // 启动页码观察
@@ -67,12 +138,12 @@
          this.initObservation();
          this.initThemeColor();
        }, 500);
      }
    }
      },
    },
  },
  mounted() {
    // 默认加载章节
    this.showCatalogList = [0];
    this.showCatalogList = [1];
    // 滚动监听节流
    this.throttledScrollHandler = _.throttle(
      this.scrollFun,
@@ -93,7 +164,7 @@
        // 删除笔记、高亮、划线
        delSign: (data) => {
          this.delSign(data);
        }
        },
      });
    }

@@ -102,7 +173,13 @@
    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。
      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
@@ -186,7 +263,7 @@
          this.showCatalogList = [
            this.catalogLength - 2,
            this.catalogLength - 1,
            this.catalogLength
            this.catalogLength,
          ];
        } else {
          this.showCatalogList = [catalog - 1, catalog, catalog + 1];
@@ -237,7 +314,7 @@
            // 笔记
            pageDom.innerHTML = pageDom.innerHTML.replace(
              reg,
              `<span datatype="Note" dataid="${data.id}" style="border-bottom-color:${data.color}" class="notesline" onclick="signClick('Note','${data.id}','${data.chapterNum}')">${data.txt}<img src="${NoteIcon}" style="cursor: pointer" /></span>`
              `<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;
        }
@@ -275,11 +352,26 @@
        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");
        }
      });
    },
@@ -296,23 +388,23 @@
      ).querySelectorAll(".theme-border");
      // 获取配置的主题色
      const bookThemeColor =
        this.thisBookConfig && this.thisBookConfig.bookThemeColor
          ? this.thisBookConfig.bookThemeColor
        this.config.activeBook && this.config.activeBook.bookThemeColor
          ? this.config.activeBook.bookThemeColor
          : null;
      const chapterThemeColor =
        this.thisBookConfig && this.thisBookConfig.chapterThemeColor
          ? this.thisBookConfig.chapterThemeColor
        this.config.activeBook && this.config.activeBook.chapterThemeColor
          ? this.config.activeBook.chapterThemeColor
          : null;
      const pageThemeColor =
        this.thisBookConfig && this.thisBookConfig.pageThemeColor
          ? this.thisBookConfig.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 = pageHtml.getAttribute("page");
        if (pageDom) page = pageDom.getAttribute("page");
        if (chapterDom) chapterNum = chapterDom.getAttribute("num");
        // 向上匹配主题色
        const themeColor =
@@ -330,7 +422,7 @@
        let pageDom = this.getParentWithClass(domItem, "page-box");
        let chapterDom = this.getParentWithClass(domItem, "chapter");
        let page, chapterNum;
        if (pageDom) page = pageHtml.getAttribute("page");
        if (pageDom) page = pageDom.getAttribute("page");
        if (chapterDom) chapterNum = chapterDom.getAttribute("num");
        // 向上匹配主题色
        const themeColor =
@@ -348,7 +440,7 @@
        let pageDom = this.getParentWithClass(domItem, "page-box");
        let chapterDom = this.getParentWithClass(domItem, "chapter");
        let page, chapterNum;
        if (pageDom) page = pageHtml.getAttribute("page");
        if (pageDom) page = pageDom.getAttribute("page");
        if (chapterDom) chapterNum = chapterDom.getAttribute("num");
        // 向上匹配主题色
        const themeColor =
@@ -383,12 +475,18 @@
            "chapter"
          );
          const catalog = catalogDom.getAttribute("num");
          console.log("page", page, catalog);
          console.log(page, "page", catalog, "catalog",);
          let text = null
          if(target.querySelector('p')) {
            console.log(target.querySelector('p').textContent.substring(0, 20));
            text = target.querySelector('p').textContent.substring(0, 20)
          }
          // 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
              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。
@@ -396,7 +494,51 @@
          //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(page) == -1) {
            //
            const catalogDom = this.tool.getParentNodeByClassName(
              target,
              "chapter"
            );
            const catalog = catalogDom.getAttribute("num");
            if (!this.questionData[page]) {
              if (testData && testData[catalog]) {
                if (testData[catalog][page]) {
                  if (Array.isArray(testData[catalog][page])) {
                    this.questionData[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.questionData[page] = obj;
                  }
                }
              }
            }
            this.loadPageList.push(Number(page));
            if (this.loadPageList.length > 5) {
              // 超过5页
              this.loadPageList.shift();
            }
          }
        }
      });
    },
  },
  components: {
    pageHeader,
@@ -412,8 +554,8 @@
    chapterTen,
    chapterEleven,
    chapterTwelve,
    chapterThirteen
  }
    chapterThirteen,
  },
};
</script>