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  • f-orest
  • µî·ÏÀÏ 2015-04-16 23:51
  • Á¶È¸¼ö 502
        
À¥»ó¿¡¼­ DB¿¡ ÀúÀåµÇ¾îÀÖ´Â Å×À̺íÀ» º¸·ÁÇÕ´Ï´Ù.  
DB¿Í ÀÚ¹Ù¿¬µ¿Áß
1. ¹ÝȯŸÀÔ ÀÌ·¸°Ô ¹ÞÀ»¼öµµÀÖ³ª¿ä (±âº»ÀÚ·áÇü°ú ·¹ÆÛ·±½ºÇüÀ¸·Î¸¸ ¹ÞÀ»¼öÀִ°Š¾Æ´Ñ°¡¿ä)?
2. º¤ÅͺÎÅÍ catch ±¸¹® ±îÁö°¡ ÀÌÇØ°¡°¡Áö¾Ê½À´Ï´Ù.
¸íÄèÇÑ ¼³¸íºÎŹµå¸³´Ï´Ù.  
public EmpDTO[] empAllList(){        
                try{
                        String sql="select * from employee order by idx desc";
                        ps=conn.prepareStatement(sql);
                        rs=ps.executeQuery();
                        
                        Vector v=new Vector();
                        while(rs.next()){
                                int idx=rs.getInt("idx"); //ÇöÀç DB¿¡ primary key°ªÀ¸·Î ¼³Á¤ sequence·Î ¼øÂ÷Àû Áõ°¡
                                String name=rs.getString("name"); // À̸§
                                String email=rs.getString("email"); // À̸ÞÀÏ
                                String dept=rs.getString("dept");    // ºÎ¼­
                                
                                EmpDTO temp=new EmpDTO(idx, name, email, dept);
                                v.add(temp);
                        }
                        EmpDTO dtos[]=new EmpDTO[v.size()];
                        v.copyInto(dtos);
                        return dtos;
                }catch(Exception e){
                        e.printStackTrace();
                        return null;
                        
                }finally{
                        
                        try{
                                if(rs!=null)rs.close();
                                if(ps!=null)ps.close();
                                if(conn!=null)conn.close();                        
                        }catch(Exception e2){
                                
                        }
                }
                
        }

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