阅读器取选中页首字改为50

闫增涛

2024-06-07 dee91930a69ba69502d9506cae3d58d72e7a152b

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

@@ -1,5 +1,8 @@
<template>
  <div class="page-main" @scroll="throttledScrollHandler">
    <div id="searchDomBox" style="display: none">
      <div id="searchContent"></div>
    </div>
    <div
      class="page-content"
      :style="{
@@ -12,60 +15,72 @@
        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="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterOne>
      <chapterTwo
        v-if="showCatalogList.indexOf(3) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterTwo>
      <chapterThree
        v-if="showCatalogList.indexOf(4) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterThree>
      <chapterFour
        v-if="showCatalogList.indexOf(5) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterFour>
      <chapterFive
        v-if="showCatalogList.indexOf(6) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterFive>
      <chapterSix
        v-if="showCatalogList.indexOf(7) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterSix>
      <chapterSeven
        v-if="showCatalogList.indexOf(8) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterSeven>
      <chapterEight
        v-if="showCatalogList.indexOf(9) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterEight>
      <chapterNine
        v-if="showCatalogList.indexOf(10) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterNine>
      <chapterTen
        v-if="showCatalogList.indexOf(11) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
        :isSearch="isSearch"
      ></chapterTen>
      <chapterEleven
        v-if="showCatalogList.indexOf(12) > -1"
        :showPageList="loadPageList"
        :questionData="questionData"
        :questionData="questionDataMap"
      ></chapterEleven>
      <chapterTwelve
        v-if="showCatalogList.indexOf(13) > -1"
@@ -80,6 +95,7 @@
</template>

<script>
import Vue from "vue";
import pageHeader from "./components/header.vue";
import chapterOne from "./components/chapter001.vue";
import chapterTwo from "./components/chapter002.vue";
@@ -105,7 +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
@@ -114,8 +130,10 @@
      observer: null,
      loadPageObserver: null,
      loadPageList: [],
      questionData: {},
      renderSignMap: {}
      questionDataMap: {},
      renderSignMap: {},
      highlightData: null,
      isSearch:false
    };
  },
  computed: {
@@ -152,6 +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() {
@@ -179,6 +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);
        }
      });
    }
@@ -205,24 +239,51 @@

    // 测试页面跳转
    // setTimeout(() => {
    //   this.gotoPage(1, 10);
    //   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);
    // }, 1000);
      //   this.gotoPage(1, 10);
      //   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("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);
  },
  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
@@ -315,6 +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}"]`);
@@ -503,6 +568,7 @@
      });
    },
    getParentWithClass(element, className) {
      console.log(element, className, "element, className");
      while (element.parentElement) {
        element = element.parentElement;
        if (element.classList.contains(className)) {
@@ -525,7 +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)
@@ -551,33 +617,32 @@
              target,
              "chapter"
            );
            // 添加页码
            this.loadPageList.push(Number(page));
            const catalog = catalogDom.getAttribute("num");
            if (!this.questionData[page]) {
            if (!this.questionDataMap[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
                    );
                      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.questionData[page] = obj;
                    this.questionDataMap[page] = obj;
                  }
                  console.log("题目", this.questionData);
                }
              }
            }
            // 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]) {
@@ -585,6 +650,39 @@
                  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
@@ -605,7 +703,7 @@
          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*
            disableOnInteraction: false //*手动操作轮播图后不会暂停*
          },
          paginationClickable: true,
          slidesPerView: 1, // 一组三个
@@ -617,11 +715,11 @@
            ),
            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,
          observeParents: true
          // // 如果需要分页器
          // pagination: {
          //   el: (this.container ? this.container : document).querySelector(
@@ -631,12 +729,10 @@
          // }
        });
      }
      // swiper-container
      const pptDoms = (
        this.container ? this.container : document
      ).querySelectorAll(".swiper-ppt");
      ).querySelectorAll(".swiper_ppt");
      for (let i = 0; i < pptDoms.length; i++) {
        debugger
        const dom = pptDoms[i];
        new Swiper(dom, {
          loop: false, // 无缝
@@ -655,7 +751,23 @@
          },
          // 窗口变化,重新init,针对F11全屏和放大缩小,必须加
          observer: true,
          observeParents: 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;
            }
          }
        });
      }
    },
@@ -674,6 +786,125 @@
          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,
        chapterNine,
        chapterTen,
        chapterEleven,
        chapterTwelve,
        chapterThirteen
      };
      // 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: {}
          }
        });
        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: {}
              }
            });
            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, () => {});
    }
  },
  components: {