java.lang.NullPointerException
小__明 2009-11-02 12:35:51 public List selectOne(){
List ls=null;
DBConnection dbc=new DBConnection();
Connection con=dbc.getDBConnection();
Statement st=null;
ResultSet rs=null;
String sql="select * from newpro";
if(con!=null){
try {
st=con.createStatement();
rs=st.executeQuery(sql);
if(rs.next()){
do{
Pro pr=new Pro();
pr.setPro_Id(rs.getInt(1));
pr.setPro_Name(rs.getString("newpro_name"));
pr.setPro_Photo(rs.getString("newpro_photo"));
ls.add(pr);
}while(rs.next());
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}else{
System.out.print("error");
}
return ls;
}