题目请求优化

闫增涛

2024-06-07 d4cca51116e04a319c3fe3961fd32c6477cd589f

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

@@ -15,55 +15,67 @@
        v-if="showCatalogList.indexOf(1) > -1"
        :showPageList="loadPageList"
      ></pageHeader>
      <!-- <button @click="setZoom1">测试放大</button> -->
      <!-- <button @click="setZoom2">测试缩小</button> -->
      <chapterOne
        v-if="showCatalogList.indexOf(2) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterOne>
      <chapterTwo
        v-if="showCatalogList.indexOf(3) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterTwo>
      <chapterThree
        v-if="showCatalogList.indexOf(4) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterThree>
      <chapterFour
        v-if="showCatalogList.indexOf(5) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterFour>
      <chapterFive
        v-if="showCatalogList.indexOf(6) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterFive>
      <chapterSix
        v-if="showCatalogList.indexOf(7) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterSix>
      <chapterSeven
        v-if="showCatalogList.indexOf(8) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterSeven>
      <chapterEight
        v-if="showCatalogList.indexOf(9) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterEight>
      <chapterNine
        v-if="showCatalogList.indexOf(10) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterNine>
      <chapterTen
        v-if="showCatalogList.indexOf(11) > -1"
        :showPageList="loadPageList"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterTen>
      <chapterEleven
        v-if="showCatalogList.indexOf(12) > -1"
@@ -109,7 +121,7 @@
export default {
  data() {
    return {
      catalogLength: 13, // 总章节数
      catalogLength: 14, // 总章节数
      showCatalogList: [], // 显示的章节
      loadThreshold: 300, // 触发加载阈值
      throttleThreshold: 100, // 节流阈值
@@ -119,7 +131,9 @@
      loadPageObserver: null,
      loadPageList: [],
      questionDataMap: {},
      renderSignMap: {}
      renderSignMap: {},
      highlightData: null,
      isSearch:false
    };
  },
  computed: {
@@ -156,6 +170,14 @@
          this.initViewer();
        }, 200);
      }
    },
    pageZoom: {
      handler(newVal, oldVal) {
        const scrollBox = (
          this.container ? this.container : document
        ).querySelector(".page-main");
        scrollBox.scrollTop = (scrollBox.scrollTop / oldVal) * newVal;
      }
    }
  },
  mounted() {
@@ -183,6 +205,14 @@
        // 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);
        }
      });
    }
@@ -208,7 +238,7 @@
    }, 500);

    // 测试页面跳转
    setTimeout(() => {
    // setTimeout(() => {
      //   this.gotoPage(1, 10);
      //   setTimeout(() => {
      //     this.renderSign("Highlight", {
@@ -229,17 +259,31 @@
      //   .querySelector("#app")
      //   .querySelectorAll(".page-box");
      // 检索
      // console.log(this.searchTextByPage("保护内脏器官"), "searchTextByPage");
      // console.log(this.searchTextByPage("儿童"), "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
      });
    }, 5000);
      // 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
      // });
    // }, 5000);
  },
  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
@@ -286,7 +330,7 @@
      this.previousScrollTop = event.target.scrollTop;
    },
    // 章节、页面跳转
    gotoPage(catalog, page, callback) {
    gotoPage(catalog, page) {
      if (catalog >= 0 && catalog <= this.catalogLength) {
        // 处理渲染章节
        if (catalog == 0) {
@@ -307,7 +351,6 @@
          ).querySelector(`[page="${page}"]`);
          if (pageDom) {
            pageDom.scrollIntoView();
            if (callback) callback();
          } else {
            console.log("页码错误！");
          }
@@ -333,6 +376,10 @@

    // 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}"]`);
@@ -342,9 +389,10 @@
          this.container ? this.container : document
        ).querySelector(`[page="${data.page}"]`);
        // 创建 createTreeWalker 迭代器，用于遍历文本节点，保存到一个数组
        const treeWalker = (
          this.container ? this.container : document
        ).createTreeWalker(pageDom, NodeFilter.SHOW_TEXT);
        const treeWalker = document.createTreeWalker(
          pageDom,
          NodeFilter.SHOW_TEXT
        );
        const allTextNodes = [];
        let currentNode = treeWalker.nextNode();
        while (currentNode) {
@@ -543,7 +591,7 @@
          const catalog = catalogDom.getAttribute("num");
          let text = null;
          if (target.querySelector("p")) {
            text = target.querySelector("p").textContent.substring(0, 20);
            text = target.querySelector("p").textContent.substring(0, 50);
          }
          // 返回页码和章节信息
          if (this.$store.state.qiankun && this.$store.state.qiankun.pageChange)
@@ -569,33 +617,33 @@
              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
                    );
                      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
                      );
                          obj[key] = await getQuestionList(
                          [],
                          testData[catalog][page][key],
                          this.config.activeBook
                        );
                    }
                    this.questionDataMap[page] = obj;
                  }
                  console.log("题目", this.questionDataMap);
                }
              }
            }
            // 添加页码
            this.loadPageList.push(Number(page));

            // 渲染这一页的标记
            for (const key in this.renderSignMap) {
              if (this.renderSignMap[key][page]) {
@@ -603,6 +651,39 @@
                  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
@@ -615,7 +696,7 @@
    initSwiper() {
      const doms = (
        this.container ? this.container : document
      ).querySelectorAll(".swiper-container");
      ).querySelectorAll(".swiper-img");
      for (let i = 0; i < doms.length; i++) {
        const dom = doms[i];
        new Swiper(dom, {
@@ -647,6 +728,47 @@
          //   ),
          //   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: (this.container ? this.container : document).querySelector(
              ".swiper-button-next"
            ),
            prevEl: (this.container ? this.container : document).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;
            }
          }
        });
      }
    },
@@ -741,9 +863,10 @@
              .querySelector(`[page="${pageNum}"]`);
            if (thisPageDom) {
              // 获取页面所有text节点
              const pageTextList = (
                this.container ? this.container : document
              ).createTreeWalker(thisPageDom, NodeFilter.SHOW_TEXT);
              const pageTextList = document.createTreeWalker(
                thisPageDom,
                NodeFilter.SHOW_TEXT
              );
              // 匹配关键字
              const allPageTextNodes = [];
              let currentNode = pageTextList.nextNode();
@@ -779,38 +902,10 @@
    },
    // 根据检索结果跳转对应位置并高亮
    searchItemLocation(data) {
      // 记录高亮信息
      this.highlightData = data;
      // 跳转
      this.gotoPage(data.catalog, data.page, () => {
        // 高亮行
        const thisPageDom = (
          this.container ? this.container : document
        ).querySelector(`[page="${data.page}"]`);
        if (thisPageDom) {
          // 获取页面所有text节点
          const pageTextList = (
            this.container ? this.container : 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(data.txt);
            if (txtIndex > -1) {
              textDom.parentNode.style.transition = "background-color 0.8s";
              textDom.parentNode.scrollIntoView();
              textDom.parentNode.backgroundColor = "#79bbf0";
              setTimeout(() => {
                textDom.parentNode.backgroundColor = "";
              }, 2000);
            }
          }
        }
      });
      this.gotoPage(data.catalog, data.page, () => {});
    }
  },
  components: {