1 if(conn != null){
2 String temps="3";
3 conn.setAutoCommit(false);
4 PreparedStatement preparedStatement = conn.prepareStatement(SQL_USER_DELETE);
5 preparedStatement.setString(1,temps);
6 int line =preparedStatement.executeUpdate();conn.commit();
7 if(line>0)
8 out.print("删除了"+line+"条数据!");
9 preparedStatement.close();
10 }
11 conn.close();