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'JAVA SQL + JFrame'에 해당되는 글 1건

  1. 2012.07.28 JAVA SQL + JFrame

JAVA SQL + JFrame

실습과제 모음 2012. 7. 28. 16:28 Posted by TanSanC
336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.

import java.awt.BorderLayout;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

 

import javax.swing.JFrame;

import javax.swing.JScrollPane;

import javax.swing.JTable;

 

public class Test {

    static Connection con = null;

    static JFrame frame;

    static JTable table;

 

    static void makeConnection() {

       try {

           Class.forName("com.mysql.jdbc.Driver");

       } catch (ClassNotFoundException e) {

           System.out.println("드라이버를 찾을 없습니다");

       }

       String url = "jdbc:mysql://localhost/book_db";

       String user = "root";

       String password = "green";

       try {

           con = DriverManager.getConnection(url, user, password);

       } catch (SQLException e) {

           // TODO Auto-generated catch block

           e.printStackTrace();

       }

    }

 

    private static void selectAll() {

       Statement stmt;

       String[] header = { "Book ID", "Book Name" };

       String[][] context = null;

       int i = 0;

       try {

           stmt = con.createStatement();

           ResultSet rs = stmt.executeQuery("SELECT * FROM books");

           rs.last();

           int nRecord = rs.getRow();

           context = new String[nRecord+1][2];

           rs.beforeFirst();

           while (rs.next()) {

              int id = rs.getInt("book_id");

              String title = rs.getString("title");

              context[i][0] = id + "";

              context[i][1] = title;

              System.out.println(id + " " + title);

              i++;

           }

       } catch (SQLException e) {

           e.printStackTrace();

       }

       table = new JTable(context, header);

       JScrollPane scrollPane = new JScrollPane(table); // Make scrollpane with

       // Add scrollpane with table to the frame and show the frame to user

       frame.getContentPane().add(scrollPane, BorderLayout.CENTER);

       frame.setSize(600, 400);

       frame.setVisible(true);

    }

 

    private static void addBook(String title, String publisher, String year,

           int price) {

       try {

           Statement stmt = con.createStatement();

           String s = "INSERT INTO books (title, publisher, year, price) VALUES ";

           s += "('" + title + "','" + publisher + "','" + year + "','"

                  + price + "')";

           System.out.println(s);

           int i = stmt.executeUpdate(s);

           if (i == 1)

              System.out.println("레코드 추가 성공");

           else

              System.out.println("레코드 추가 실패");

       } catch (SQLException e) {

           System.out.println(e.getMessage());

           System.exit(0);

       }

    }

 

    public static void main(String[] args) {

       frame = new JFrame();

       makeConnection();

       selectAll();

       //addBook("C++ Programming", "Freelec", "2011", 50000);

       selectAll();

    }

}

 

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