vue中更改数组中属性,在页面中不生效的解决方法

<tbody>
     <tr v-for="(book,index) in bookList">
      <td>
       <span v-on:click="book.edit=true" v-show=" !book.edit">{{book.orderIndex}}</span> //如果edit属性为false，则该span出现
       <input v-show="book.edit" /> //如果edit属性为true，则该input出现
      </td>
      <td>
       <a v-show="book.edit" v-on:click="book.edit=false" class="btn btn-primary btn-sm"> //如果edit属性为true，出现不保存(x)按钮
        <i class="glyphicon glyphicon-remove" aria-hidden="true"></i>
</a>
       <a v-show="book.edit" v-on:click="save(book)" class="btn btn-primary btn-sm"> //如果edit属性为true，出现保存(√)按钮
        <i class="glyphicon glyphicon-ok" aria-hidden="true"></i>
       </a>
      </td>
      
     </tr>
    </tbody>

<script>

var politics = new Vue({

el:"#politics",

data:{

bookList:[]

},

methods:{

getBookList: function (offset, limit, CatalogueID, searchKey, resId) {
    this.limit = limit;
    this.offset = offset;
    this.CatalogueID = CatalogueID;
    this.searchKey = searchKey;
    this.resId = resId;
    this.$http.get("/BookAdmin/getBookList?offset=" + this.offset + "&limit=" + this.limit + "&CatalogueID=" + this.CatalogueID + "&searchKey=" + this.searchKey+"&resId="+this.resId)
     .then(function (resp) {
      resp.data.books.forEach(function (o, i) {
       o.edit = false;
      })
      this.bookList = resp.data.books; // 赋值必须写在属性初始化的后面，否则改edit不能使页面属性变化
      this.bookTotalCount = resp.data.totalCount;
      var pageNo = this.offset / this.limit + 1;
      var totalPage = Math.ceil(this.bookTotalCount / this.limit);
      
      divpager(pageNo, totalPage, this.bookTotalCount, this.CatalogueID, this.searchKey, this.resId);
     })
   }

}

})


</script>