mouted:
 this.getlist(this.booklistId.id);

methods:
 getlist(id) {
 //每个分类id下对应的数据 子组件接收父组件传过来的id 获取对应的数据
  bootd(id).then(res => {
  var arrdata = res.data.data;
  arrdata.map(item => {
   this.booklist.push(item.book);
  });
  });
 }

computed: {
  ...mapState(['calbook','shuajiabook']) //书籍信息 书架数据[]
  },
  methods:{
  addbook(){
   this.flag=!this.flag
   var book= this.calbook; // calbook 是store里存储的书籍信息【 SHEFLBOOK 】
   var carbook = JSON.parse(window.localStorage.getItem('book') || '{}')
   if(!this.flag){ //加入书架
    carbook[book._id] = {
     cover: book.cover,
     flag:!this.flag,
     title: book.title,
     lastChapter:book.lastChapter,
     id: book._id,
     author:book.author,
     chapterIndexCache: 0,
     bookSource: 0,
     pageIndexCache: 0,
    }
    this.setbook(false)
    window.localStorage.setItem('book', JSON.stringify(carbook))
   }else{
    delete carbook[book._id]
    this.setbook(true) //设置的布尔值
    window.localStorage.setItem('book', JSON.stringify(carbook))
   }
  }
 }

 // 控制目录显示状态
 created() {
  this.getBook = JSON.parse(window.localStorage.getItem("SHEFLBOOK")); // book/book.vue 存储的书籍信息
  this.getbookhy(this.getBook._id); // 获取小说id所对应的源 
  if(this.$route.params.showMulu){ //从book.vue传过来的参数
   this.showMulu = true
  }
 },

// 子组件mulu.vue发送过来的事件，点击时跳转到对应的章节内容
 readshows(index){
  this.showMulu = false
  this.iss = index
  this.getBookindex()
  this.getcontent(this.booklinkss[this.iss]); //根据booklinkss显示目录章节
  this.$refs.dvtop.scrollTop = 0;
 },

{{item.title}} {{item.isVip?'vip':null}}

  getMulu(i){
   this.$emit('readShow',i) //将点击的章节传给父组件 read.vue
  }

created() {
 this.loadMore();
 },

 methods: {
 loadMore() {
  bookpl(this.$route.params.id, this.limit).then(res => { // 获取的item组件的路由参数 书籍id
  if (res.status === 200) {
   this.pinglun = res.data.reviews;
   this.limit += 5;
  }
  });
  this.loading = false;
 }
 }

//获取小说资源 每本小说有多个资源 根据小说id获取小说的来源
  getbookhy(id){
  bookhy(id).then(res=>{
   this.bookhylist = res.data;
   this.getmulu(this.bookhylist[0]._id);  // 根据源 获取目录数据 默认第一个源
  })
  },
 getmulu(id){
  this.booklinkss = []; //第N章内容
  this.booktitle = []; //第N章标题 push后数据叠加 现将数组数据清空
  var bookindexs = JSON.parse( window.localStorage.getItem("bookindex") || "{}" ); //章节位置

  bookmulu(id).then(res=>{
  if(res.status==200){
    res.data.chapters.forEach( item => {
   // 内容是根据link来获取的 将link发给服务器，由于// / & # 服务器是无法识别的 所以需要对link转码 最后服务器返回内容 
    this.booklinkss.push(encodeURIComponent(item.link))
    this.booktitle.push(item.title)
   });
  }
  this.iss = bookindexs && bookindexs[this.getBook._id] ? bookindexs[this.getBook._id].bookindex : this.iss;
  this.getcontent(this.booklinkss[this.iss]); // 根据目录 获取内容 
  })
 },

  // 获取内容
  getcontent(link){
   var content = []
   bookcontent(link).then(res => {
    if(res.status == 200){
    var datas = res.data.chapter;
    content.push({
     cpContent:datas.isVip?["vip章节，请购买VIP"]:(datas.cpContent ? datas.cpContent.split("\n") : datas.body.split("\n")),
     title:datas.title
    })
    this.con = content[0]
    }
   })
  },

//获取搜索的书籍
 getList() {
  booksearch(this.keyword).then(res => {
  if (res.data.ok) {
   this.searchList = res.data.books.slice(0, 15); //默认展示前15条数据
  }
  });
 },
  // 上拉加载
 loadBottom() {
  this.allLoaded = true; //上滑时出现加载文字
  booksearch(this.keyword).then(res=>{
   if(this.searchList.length==res.data.books.length){
   this.allLoaded = false
   }else{
   this.searchList = res.data.books.splice(0,this.count*15+15) //每次拉动时在现有基础上加15条 cout++
   this.count++
   this.allLoaded = false 
   }
  })
 },