database.java

java+mysql开发的档案管理系统

package system;

import java.sql.*;

public class DataBase {
	public Connection conn;

	public Statement stmt;

	public ResultSet rs = null;

	public String sqlStr = "";

	public DataBase() {
		this.connect();
	}

	public boolean connect() {
		try {
			Class.forName("com.mysql.jdbc.Driver").newInstance();
			String url = "jdbc:mysql://localhost:3306/guanli?user=root&password=5740472";
			conn = DriverManager.getConnection(url);
			stmt = conn.createStatement();			
		} catch (Exception ee) {
			System.out.println("connect database error:" + ee.getMessage());
			return false;
		}

		return true;
	}

}