weixin_43280061的博客

## java获取项目绝对路径String realPath = this.getRequest().getSession().getServletContext().getRealPath("/").replaceAll("\\\\", "/");String file = realPath+"WEB-INF/imgFile/file/excel/"+newFileName; Fil...

# dao层session值获取与存储 //注解 @Autowired private HttpServletRequest request; //将分类代码字段存放到session中 HttpSession session = request.getSession(false); session.setAttribute("fldm", excel_column_name);...

update tb_test_log a set game_deal_log_id = (select game_deal_log_id from test b where a.table_id = b.table_id) where exists (select 1 fr...

SELECT * FROM (select T.*, ROW_NUMBER() OVER(PARTITION BY saasdm, ywdj order BY shrq) RN FROM (select saasdm as saasdm, dbh as ywdj, shrq from ZCCZ_SBSPJLB...