jdbc

Class.forName("com.mysql.jdbc.Driver");
String url = "jdbc:mysql://localhost/bbs";
conn = DriverManager.getConnection(url, "root", "584");

 数据库连接

PreparedStatement ps = null;
String sql = "insert into t_user (username, password, sex , email, reg_time) values (?,?,?,?,?)";
try {
    ps = conn.prepareStatement(sql);
    ps.setString(1, user.getUsername());
    ps.setString(2, user.getPassword());
    ps.setString(3, user.getSex());
    ps.setString(4, user.getEmail());
    ps.setTimestamp(5, new Timestamp(user. ().getTime()));
    ps.executeUpdate();
      } catch (SQLException e) {
	e.printStackTrace();
      } finally {
       try {
	ps.close();
	conn.close();
	} catch (SQLException e) {
		e.printStackTrace();
		}
	}