Connection conn =
JdbcUtil.getConnection();
String sql = "insert into user(name,password,email,birthday)
values('abc','123','abc@sina.com','1978-08-08')";
PreparedStatement st =
conn.
prepareStatement(sql,Statement.RETURN_GENERATED_KEYS );//此参数仅对insert操作有效。
st.executeUpdate();
ResultSet rs = st.getGeneratedKeys();
//得到插入行的主键
if(rs.next())
System.out.println(rs.getObject(1));
