@RequestMapping(value = "/book/{bookid}", method = RequestMethod.GET)
public String BookInfo(@PathVariable Integer bookid, Model model, HttpServletRequest request)
throws JsonGenerationException, JsonMappingException, IOException {
logger.info("----查看图书信息----");
// 根据图书id获取图书信息
Book book = bookService.selectBook(bookid);
// 图书图书分类获取图书分类目录，，形成面包屑导航
int classify = book.getBookclassid();
List<Class> classlist = new ArrayList<Class>();
Class classify2 = new Class();
while (classify != 0) {
classify2 = classifyService.SelectTwoClassify(classify);
classify = classify2.getClassfatherid();
classlist.add(classify2);
}
// 获取bookid和userid 判断用户之前是否已经收藏过该书
// String userid=new String();
// Cookie[] cookies= request.getCookies();
// for(Cookie c:cookies){
// if(c.getName().equals("userid")){
// userid= c.getValue();
// }
// }
User user = (User) request.getSession().getAttribute("user");
System.out.println(user);
if (user != null) {
boolean valiCollect = collectService.selectCollect(bookid, user.getUserid());
System.out.println(valiCollect);
model.addAttribute("valiCollect", valiCollect);
} else {
model.addAttribute("valiCollect", null);
}
// 获取该书的评论
List<CommentWapper> commentlist = commentWapperService.selectCommentByBookId(bookid);
ObjectMapper mapper = new ObjectMapper();
logger.info(mapper.writeValueAsString(classlist));
// 反序
Collections.reverse(classlist);
logger.info(mapper.writeValueAsString(classlist));
System.out.println("commentlist" + commentlist);
logger.info("commentlist" + mapper.writeValueAsString(commentlist));
model.addAttribute("classlist", classlist);
model.addAttribute("book", book);
model.addAttribute("commentlist", commentlist);
return "home/book";
}
/**
* 修改图书，图书回显
*
* @param model
* @param id
* @return
* @throws JsonGenerationException
* @throws JsonMappingException
* @throws IOException
*/
@RequestMapping(value = "/Book/{id}", method = RequestMethod.GET)
public String modifyBook(Model model, @PathVariable Integer id)
throws JsonGenerationException, JsonMappingException, IOException {
logger.info("-----修改图书:id为" + id + "-----");
Book book = bookService.selectBook(id);
if (book != null) {
ObjectMapper mapper = new ObjectMapper();
System.out.println("输出原本的图书");
logger.info(mapper.writeValueAsString(book));
model.addAttribute(book);
} else {
logger.info("传入的id为：" + id + "修改失败，该书不存在");
}
return "book/modifyBook";
}