public static void outMoney(Connection conn,String name,int account) throws SQLException{
		String sql="update t_account set balance=balance-? where name=?";
		PreparedStatement pst=conn.prepareStatement(sql);
		pst.setInt(1, account);
		pst.setString(2, name);
		int result=pst.executeUpdate();
		pst.close();
	}
	public static void inMoney(Connection conn,String name,int account) throws SQLException{
		String sql="update t_account set balance=balance+? where name=?";
		PreparedStatement pst=conn.prepareStatement(sql);
		pst.setInt(1, account);
		pst.setString(2, name);
		int result=pst.executeUpdate();
		pst.close();
	}

		System.out.println("盖伦正在给赵信转账1000元");
		//转账操作
		try {
			outMoney(conn,"盖伦",1000);
			inMoney(conn,"赵信",1000);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}finally{
			try {
				System.out.println("转账成功！");
				conn.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}