linkdata.java~2~

来自「Java 聊天程序 有客户端和服务端。」· JAVA~2~ 代码 · 共 40 行

package chatserver;

import java.sql.*;
import java.awt.*;

public class linkData {
    public static void centerWindow(Window window) {
           Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
           Dimension frameSize = window.getSize();
           if (frameSize.height > screenSize.height) {
               frameSize.height = screenSize.height;
           }
           if (frameSize.width > screenSize.width) {
               frameSize.width = screenSize.width;
           }
           window.setLocation( (screenSize.width - frameSize.width) / 2,
                              (screenSize.height - frameSize.height) / 2);
       }

       public static Statement getStatement()  {
           try {
               //Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
               //String URL =
              //     "jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=chat.mdb";
              Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            String URL = "jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=chat.mdb";
              Connection conn = DriverManager.getConnection(URL);
               return conn.createStatement();
           }
           catch (SQLException ex) {
               ex.printStackTrace();
               return null;
           }
           catch (ClassNotFoundException ex) {
               ex.printStackTrace();
               return null;
           }
    }
}