Page({
    onLoad:function(options){
      console.log(options);
      let book = JSON.parse(options.bookstr);
      console.log(book);
      var that=this
      that.setData({
        bookid:book.bookid,
        bookname:book.bookname,
        bookauthor: book.bookauthor,
        booksort: book.booksort,
        booknum: book.booknum
      

      })
      console.log(this.data.bookid)
      
      
    }

})