java数据库导入excel数据

  //设置可有可无 字段 加一个必有字段

     String optionals = "hospital_id ";

     String biyou = map.get("biyou") ;

     String optionalVal =  DataUtil.addFieldBlank(biyou) + ",";

      

     if(map.get("birthdate").toString().length()>0) {

      optionals += ",birthdate";

      optionalVal +=DataUtil.addFieldBraces(map.get("birthdate")) + ",";

     }

    

     if(map.get("visit_time").toString().length()>0) {

      optionals += ",visit_time";

      optionalVal +=DataUtil.addFieldBraces(map.get("visit_time")) + ",";

     }

       

      

      

      

        String visit_id = map.get("visit_id") == null ? "‘‘" : String.valueOf(map.get("visit_id"));

        

        

        String sql = "INSERT INTO medical_record ("+ optionals + ",cid" +",doctor_code"

        + ") VALUES ("

        //

   +optionalVal     

 

  + DataUtil.addFieldBlank(map.get("cid")) + ","



  + DataUtil.addFieldBlank(diagnosis) + "," 

  + DataUtil.addFieldBlank(doctor_name)



        + ")";

        

        return update(sql, map);