作业总结

public class TypeController implements ServletContextAware {
    @Autowired
    private BookTypeService bookTypeService;
    @Autowired
    private BookinfoService bookinfoService;
   private ServletContext servletContext;
   @Override
   public void setServletContext(ServletContext servletContext) {
       this.servletContext = servletContext;
   }

    /**
     *
     * 图片回显
     * @param fileImage
     * @return
     */
    @RequestMapping("/bbb.do")
    @ResponseBody
    public String imageUpload(@RequestParam("fileImage") CommonsMultipartFile fileImage) {
        // 获取上传图片的位置
        System.out.println("========dasdasdsadsadasd"+111);
        String path = servletContext.getRealPath("/resource/upload/");
        System.out.println("上传的路径为:" + path);
        // 获取文件名称
        String name = fileImage.getOriginalFilename();
        // 创建file对象 写入
        File file = new File(path, name);
        try {
            fileImage.getFileItem().write(file);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        // 将上传的图片路径以json的方式返回客户端
        String imagePath = "/resource/upload/" + name;
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("imagePath", imagePath);
        // 将对象转为json格式
        String json = jsonObject.toJSONString();
        System.out.println("json:"+json);
        return json;
    }

    /**
     * 显示书籍类型
     * @param map
     * @return
     */
    @RequestMapping("/goadd.do")
    public String showType(ModelMap map){
        List<BookType> bookTypes = bookTypeService.queryAll();
        map.put("bookTypes",bookTypes);
        return "add";
    }
    /**
     * 显示书籍类型
     * @param map
     * @return
     */
    @RequestMapping("/goinsert.do")
    public String showType2( Integer id,ModelMap map,HttpServletResponse response) throws IOException {
        List<BookType> bookTypes = bookTypeService.queryAll();
        map.put("bookTypes",bookTypes);
        BookInfo bookInfo = bookinfoService.selectByPrimaryKey(id);
        map.put("bookInfo",bookInfo);


        return "update";
    }

    /**
     *
     * 添加
     * @param bookInfo
     * @param response
     */
    @RequestMapping("/addtoto.do")
    public void toadd(BookInfo bookInfo,HttpServletResponse response) throws IOException {
        int rows = bookinfoService.insert(bookInfo);
        response.setContentType("text/html; charset=UTF-8");
        PrintWriter pWriter = response.getWriter();
        if (rows > 0) {
            pWriter.write("<script type='text/javascript'>alert('新增成功');location.href='querybook.htm'</script>");
        } else {
            pWriter.write("<script type='text/javascript'>alert('新增失败');location.href='add.htm'</script>");
        }

    }
    @RequestMapping("/query.do")
    public String queryAll(@RequestParam(value = "bookTypeid",required = false,defaultValue = "0")Integer bookTypeid,
     String bookName,@RequestParam(value = "borrow",required = false,defaultValue = "0")Integer isBorrow,ModelMap map,
                           @RequestParam(value = "now", required = false, defaultValue = "1")Integer now
    ){
        //分页工具 设置分页
        PageHelper.startPage(now,3);
        //查询 书籍 返回 集合
        List<BookInfo> bookInfos = bookinfoService.queryAllbook(bookTypeid, bookName, isBorrow);

        //将集合与分页绑定 存到map
        PageInfo<BookInfo> pageInfo=new PageInfo<BookInfo>(bookInfos);
        map.put("pageInfo",pageInfo);
        //获取所有图书类型显示到页面
        List<BookType> bookTypes = bookTypeService.queryAll();
        map.put("bookTypes",bookTypes);

        //将3个属性存入map作为回显
        map.put("bookTypeid",bookTypeid);
        map.put("bookName",bookName);
        map.put("isBorrow",isBorrow);


        return "index";
    }

    /**
     * 详情
     * @param id
     * @param map
     * @return
     */
    @RequestMapping("/select.do")
    public String selectBook(Integer id,ModelMap map){
        BookInfo book = bookinfoService.selectByPrimaryKey(id);
        map.put("book",book);
        return "Detail";
    }

    @RequestMapping("/delete.do")
    public void delbyID(Integer id,HttpServletResponse response) throws IOException {
        int rows = bookinfoService.deleteByPrimaryKey(id);
        response.setContentType("text/html; charset=UTF-8");
        PrintWriter pWriter = response.getWriter();
        if (rows > 0) {
            pWriter.write("<script type='text/javascript'>alert('删除成功');location.href='query.do'</script>");
        } else {
            pWriter.write("<script type='text/javascript'>alert('删除失败');location.href='query.do'</script>");
        }
    }
    @RequestMapping("updodo.do")
    public void update( BookInfo bookInfo,Integer id,HttpServletResponse response,ModelMap map) throws IOException {

        int rows = bookinfoService.insert(bookInfo);
        response.setContentType("text/html; charset=UTF-8");
        PrintWriter pWriter = response.getWriter();
        if (rows > 0) {
            pWriter.write("<script type='text/javascript'>alert('修改成功');location.href='query.do'</script>");
        } else {
            pWriter.write("<script type='text/javascript'>alert('修改失败');location.href='query.do'</script>");
        }


    }
    @RequestMapping("delbooks.do")
    //获取bookid的集合
    public void delallBook(String[] bookid,HttpServletResponse response) throws IOException {
        int rows = bookinfoService.deleteAllBooks(bookid);
        response.setContentType("text/html; charset=UTF-8");
        PrintWriter pWriter = response.getWriter();
        if (rows > 0) {
            pWriter.write("<script type='text/javascript'>alert('删除成功');location.href='query.do'</script>");
        } else {
            pWriter.write("<script type='text/javascript'>alert('删除失败');location.href='query.do'</script>");
        }
    }




}

public interface BookInfoMapper {
    int deleteByPrimaryKey(Integer bookId);

    int insert(BookInfo record);

    int insertSelective(BookInfo record);

    BookInfo selectByPrimaryKey(Integer bookId);

    int updateByPrimaryKeySelective(BookInfo record);

    int updateByPrimaryKey(BookInfo record);

    List<BookInfo> queryAllbook(@Param("id") Integer bookTypeid, @Param("bookname") String  bookname, @Param("borrow") Integer borrow);
     
    int deleteAllBooks(String[] idss);
}