Java JDBC 访问人大金仓数据库

概述

1. 先加载JDBC的Jar包到IDE（位置：数据库安装路径下jdbc/jdk文件夹下kingbase8-8.2.0.jar）；
2. 金仓7驱动名："com.kingbase.Driver()"； 金仓8驱动名称："com.kingbase8.Driver()"。

测试代码

package utils;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

public class DBHelper
{
    private static final String DB_URL = "jdbc:kingbase8://localhost:54321/FR3000W";
    private static final String USERNAME = "PSM";
    private static final String PASSWORD = "meterage";
    private static Connection conn = null;

    public static Connection getConnection() throws Exception
    {
        if( conn == null )
        {
            DriverManager.registerDriver( new com.kingbase8.Driver() );
            conn = DriverManager.getConnection( DB_URL, USERNAME, PASSWORD );
            return conn;
        }
        return conn;
    }

    public static void queryErtu() throws Exception
    {
        String str_sql = "select * from ertu";
        conn = getConnection();
        try
        {
            PreparedStatement pst = conn.prepareStatement( str_sql );
            ResultSet ret = pst.executeQuery();
            while( ret.next() )
            {
                System.out.println( ret.getString(1) + ":" + ret.getString(2) + ":" + ret.getString(3) );
            }
            ret.close();
        } catch (Exception e)
        {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws Exception
    {
        try
        {
            Connection conn = DBHelper.getConnection();
            if( conn != null )
                System.out.println("数据库连接正常！");
            else
                System.out.println("数据库连接不对！");
        } catch (Exception e)
        {
            e.printStackTrace();
        }

        queryErtu();
    }
}