摘要：
2 3 import java.sql.Connection; 4 import java.sql.DriverManager; 5 import java.sql.PreparedStatement; 6 import java.sql.ResultSet; 7 import java.sql.SQLException; 8 9 public class JdbcUtil10 {11 public static final String USERNAME = "root";12 13 public static final String PASSWORD = " 阅读全文