摘要：
import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;class DBManager{//定义成员变量Connection conn =null;Statement stmt =null;ResultSet rst =null;//创建数据库连接对象public void getConnection(String dbIP,String dbPort,String dbNam 阅读全文
