java從數據庫讀取的數據轉到java圖形界面上

import java.sql.*;

import java.awt.*;

import javax.swing.*;

import javax.swing.table.*;

//import java.awt.event.*;

public class DisplayDemo extends JFrame

//implements ActionListener

{

// private String

dbURL="jdbc:microsoft:sqlserver://202.115.26.181:1433"; // 數據庫標識名

private String user="devon"; // 數據庫用戶

private String password="book"; // 數據庫用戶密碼

private JTable table;

private JButton ok,canel;

public DisplayDemo(){

super("顯示數據庫查詢結果"); //調用父類構造函數

String[] columnNames={"用戶名","年齡","性別","Email"}; //列名 Object[][] rowData=new Object[5][4]; //表格數據

ok=new JButton("肯定");

canel=new JButton("取消");

// ok.addActionListener(this);

// canel.addActionListener(this);

try {

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

Connection

con=DriverManager.getConnection("jdbc:odbc:example","sa",""); // Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver"); //加載驅動器

// Connection con=DriverManager.getConnection(dbURL,user,password); //獲取鏈接

String sqlStr="select * from users"; //查詢語句

PreparedStatement ps=con.prepareStatement(sqlStr); //獲取PreparedStatement對象

ResultSet rs=ps.executeQuery(); //執行查詢

String name,sex,email; //查詢結果

int age;

int count=0;

while (rs.next()){ //遍歷查詢結果

rowData[count][0]=rs.getString("name"); //初始化數組內容 rowData[count][1]=Integer.toString(rs.getInt("age"));

rowData[count][2]=rs.getString("sex");

rowData[count][3]=rs.getString("email");

count++;

 

}

 

con.close(); //關閉鏈接

}

catch(Exception ex){

ex.printStackTrace(); //輸出出錯信息

}

 

Container container=getContentPane(); //獲取窗口容器

//container.setLayout(null);

container.add(ok);container.add(canel);

ok.setBounds(10,120,70,20);

canel.setBounds(100,120,70,20);

table=new JTable(rowData,columnNames); //實例化表格

table.getColumn("年齡").setMaxWidth(25); //設置行寬

container.add(new JScrollPane(table),BorderLayout.CENTER); //增長組件

 

setSize(300,200); //設置窗口尺寸

setVisible(true); //設置窗口可視

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //關閉窗口時退出程序

}

 

public static void main(String[] args){

new DisplayDemo();

}

}