dbconn.java

简单实现的一个登录模块

//DBConn.java

//include required classes
import java.sql.*;

//==========================================
// Define Class DBConn
//==========================================
public class DBConn
{
	public String sql_driver = "org.gjt.mm.mysql.Driver";
	public String sql_url = "jdbc:mysql://localhost:3306";
	public String sql_DBName = "shopping";
	public String user = "sa";
	public String pwd = "";

	Connection conn = null;
	Statement stmt = null;
	ResultSet rs = null;

	public boolean setDriver(String drv)
	{
		this.sql_driver = drv;
		return true;
	}

	public String getDriver()
	{
		return this.sql_driver;
	}

	public boolean setUrl(String url)
	{
		this.sql_url = url;
		return true;
	}

	public boolean setDBName(String dbname)
	{
		this.sql_DBName = dbname;
		return true;
	}

	public String getDBName()
	{
		return this.sql_DBName;
	}

	public boolean setUser(String user)
	{
		this.user = user;
		return true;
	}

	public String getUser()
	{
		return this.user;
	}

	public boolean setPwd(String pwd)
	{
		this.pwd = pwd;
		return true;
	}

	public String getPwd()
	{
		return this.pwd;
	}

	public DBConn()
	{
		try{
			Class.forName(sql_driver);//加载数据库驱动程