请问用 g.drawString(str,x,y)怎么样输出中文,g是Graphics类的对象

ccwenwen 2002-07-10 11:52:03

Graphics g
。。。
g.drawString(title, cx, cy);
title是String，cx和cy是int

如果title是英文，输出正常
但如果是中文，它就会输出乱码

请问各位高手，怎么解决这个问题！！！

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JSP用户注册中图形验证码，其中有三段，可以慢慢看

java编的五子棋 import java.util.*; import java.io.*; import java.awt.*; import java.awt.event.*; import java.applet.*; import javax.swing.*; class Gobang extends JFrame implements Runnable, ActionListener { final static int Player=1; final static int AI =-1; ClassLoader cl = this.getClass().getClassLoader(); Toolkit tk = Toolkit.getDefaultToolkit(); int length=14, game_state, winner, check, step; int grid[][] = new int[length][length]; int locX, locY /* 囱竚 */, count /* 硈囱计 */, x, y /* 既竚 */, displace_x=0, displace_y=0 /* 簿秖 */, direction; ArrayList steps = new ArrayList(); /* 癘魁囱˙ */ JPopupMenu control_menu = new JPopupMenu(); /* 龄匡虫 */ JMenuItem[] command = new JMenuItem[4]; String[] command_str={"囱", "郎", "弄郎", "秨"}; int[][] dir = { {-1, -1}, {-1, 0}, {-1, 1}, {0, -1}, {0, 1}, {1, -1}, {1, 0}, {1, 1} }; boolean[] dir2 = new boolean[8]; boolean turn; String message; final JDialog dialog = new JDialog(this, "叫匡", true); Font font=new Font("new_font", Font.BOLD, 20); Grid grids[][] = new Grid[length][length]; Image white= tk.getImage(cl.getResource("res/white.png")); Image black= tk.getImage(cl.getResource("res/black.png")); Image title= tk.getImage(cl.getResource("res/title.png")); Image temp; JPanel boardPanel, bigpanel; JRadioButton[] choice = new JRadioButton[2]; final static int Start =0; final static int Select =1; final static int Playing =2; final static int End =3; final static int nil=-1; /* 礚よ */ final static int oblique_1 =0; /* オ */ final static int oblique_2 =1; /* オ */ final static int horizontal =2; /* 绢 */ final static int vertical=3; /*  */ Gobang() { super("き囱"); boardPanel = new JPanel(); boardPanel.setLayout(new GridLayout(length, length, 0, 0)); boardPanel.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT); for(int i=0; istr[i]); command[i].addActionListener(this); control_menu.add(command[i]); } JButton select = new JButton("絋﹚"); JPanel select_menu = new JPanel(); select_menu.add(select); select.addActionListener(this); dialog.getContentPane().add(choice_menu, BorderLayout.NORTH); dialog.getContentPane().add(select_menu, BorderLayout.CENTER); setIconImage(title); setResizable(false); setSize(300, 335); setVisible(true); setLocationRelativeTo(null); } public static void main(String[] arg) { Gobang application = new Gobang(); application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } public void actionPerformed(ActionEvent event) { if( event.getSource().equals(command[0]) ) { if(steps.size()!=0) undo(); } else if(event.getSource().equals(command[1]) ) Save(); else if(event.getSource().equals(command[2]) ) Load(); else if(event.getSource().equals(command[3]) ) ReStart(); else { if(choice[1].isSelected()) { temp=white; white=black; black=temp; } dialog.dispose(); } } public void WinCheck() { check = turn? Player: AI; direction=oblique_1; WinCheck2(); } public void WinCheck2() { count=1; switch(direction) { case oblique_1: displace_x=1; displace_y=-1; direction=oblique_2; break; case oblique_2: displace_x=displace_y=1; direction=horizontal; break; case horizontal: displace_x=1; displace_y=0; direction=vertical; break; case vertical: displace_x=0; displace_y=1; direction=nil; break; } x=locX+displace_x; y=locY+displace_y; while(x>=0 && x=0 && y=0 && x=0 && y=5) { game_state=End; winner=check; ThreadStart(); } else if(direction!=nil) WinCheck2(); } public void ReStart() { for(int i=0; i=length || y<0 || y>=length || grid[x][y]!=0) && displace_y<8); for(int i=0; i<8; i++) dir2[i]=false; if(x>=0 && x=0 && y0; i--) { play=!play; gobangAI4(play); if(turn) return; } for(int i=7; i>=4; i--) { play=!play; step=i/2; gobangAI2(play); if(turn) return; } gobangAI5(); if(!turn) gobangRandom(); } private void gobangAI2(boolean player) { check = player? Player: AI; for(int i=0; i=0 && x=0 && y=0 && x+displace_x=0 && y+displace_y=length || y-step*displace_y<0 || y-step*displace_y>=length || !gobang_SpaceAI(x+displace_x, y+displace_y) || (grid[x-step*displace_x][y-step*displace_y]!=0 && step<3) ) /* 癸翴猵 */ gobangAI3_2(); else setMark2(x+displace_x, y+displace_y); } else gobangAI3_2(); } else gobangAI3(x, y); } else gobangAI3_2(); } private void gobangAI3_2() { if(direction!=vertical) { count=1; direction=direction+1; gobangAI3(locX, locY); } } private void gobangAI4(boolean player) { check = player? Player: AI; for(int i=0; i=0 && x=0 && y=0 && x=0 && y=4) setMark(locX, locY); else if(direction!=nil) gobangAI4(); } private void gobangAI5() { for(int i=0; i=0 && x=0 && y=0 && x=0 && y1) { count = count==4? 3: count; while(x>=0 && x=0 && y=0 && x=0 && y=5) /* 逞緇フ场だΤ硈絬ぇ */ return true; else { space=0; x=locX-displace_x; y=locY-displace_y; while(x>=0 && x=0 && y=5) /* 逞緇フ场だΤ硈絬ぇ */ return true; else return false; } } public void ThreadStart() { new Thread(this).start(); } private void setMark(int x, int y) { steps.add(grids[x][y]); grids[x][y].setValue(-1); WinCheck(); turn=true; } /* 璸衡êよΤ隔 */ private void setMark2(int x, int y) { int space=0, temp_x=x, temp_y=y; do { space=space+1; temp_x=temp_x+displace_x; temp_y=temp_y+displace_y; }while(temp_x>=0 && temp_x=0 && temp_y=5) setMark(x, y); else setMark(x-(step+1)*displace_x, y-(step+1)*displace_y); /* э癸翴 */ } public void run() { try { switch(game_state) { case Start: Thread.sleep(2000); dialog.show(); game_state=Playing; repaint(); break; case End: repaint(); Thread.sleep(1500); ReStart(); repaint(); break; } } catch(InterruptedException ex) { } } public void paint(Graphics g) { super.paint(g); switch(game_state) { case Start: g.drawString("2005.7 by Yu Lin Tao", 91, 240); g.setFont(font); g.setColor(Color.BLUE); g.drawString("Gobang", 112, 120); g.drawImage(title, 134, 135, this); break; case Playing: case End: g.drawString("產: 筿福:", 105, 40); g.drawImage(black, 132, 30, this); g.drawImage(white, 182, 30, this); if(winner!=0) { g.setFont(font); g.setColor(Color.RED); message = winner==1? "墓":"块"; g.drawString(message, 120, 185); } break; } } public void undo() { if(steps.size()>0) { for(int i=0; i<2; i++) { ((Grid)steps.get(steps.size()-1)).Initial(); steps.remove(steps.size()-1); } } } private void Save() { String str; try { File file = new File("innings.men"); file.createNewFile(); BufferedWriter write = new BufferedWriter(new FileWriter(file)); for(int i=0; istr=(((Grid)steps.get(i)).getLocX())+","+(((Grid)steps.get(i)).getLocY())+","+(((Grid)steps.get(i)).getValue()); write.write(str); write.newLine(); } write.close(); } catch(Exception ex) { } } private void Load() { try { String[] step_array; String str; File file = new File("innings.men"); if(!file.exists()) { JOptionPane.showMessageDialog(null, "⊿Τ郎"); return; } BufferedReader read = new BufferedReader(new FileReader(file)); ReStart(); while(read.ready()) { str=read.readLine(); step_array=str.split(","); grids[Integer.parseInt(step_array[0])][Integer.parseInt(step_array[1])].setValue(Integer.parseInt(step_array[2])); steps.add(grids[Integer.parseInt(step_array[0])][Integer.parseInt(step_array[1])]); } } catch(Exception ex) { } } private class Grid extends JPanel implements MouseListener { int x, y, value; boolean selected; public Grid(int x, int y) { this.x=x; this.y=y; addMouseListener(this); } public void mousePressed(MouseEvent event) { if(game_state==Playing) { int button=event.getButton(); if(button==MouseEvent.BUTTON1) { if(value==0) { steps.add(this); setValue(1); WinCheck(); turn=false; if(game_state==Playing) gobangAI(); } } else control_menu.show(this, event.getX(), event.getY()); } } public void mouseEntered(MouseEvent event) { if(game_state==Playing) setSelected(true); } public void mouseExited(MouseEvent event) { if(game_state==Playing) setSelected(false); } public void mouseClicked(MouseEvent event) { } public void mouseReleased(MouseEvent event) { } public Dimension getPreferredSize() { return new Dimension(20, 20); } public Dimension getMinimumSize() { return getPreferredSize(); } public int getLocX() { return x; } public int getLocY() { return y; } public int getValue() { return value; } public void Initial() { value=grid[x][y]=0; selected=false; repaint(); } public void setValue(int new_value) { locX=x; locY=y; value=grid[x][y]=new_value; repaint(); } public void setSelected(boolean select) { selected=select; repaint(); } public void paintComponent(Graphics g) { super.paintComponent(g); if(game_state!=Start && game_state!=Select) { g.drawLine(0, 10, 19, 10); g.drawLine(10, 0, 10, 19); /* 礶娩絬 */ g.setColor(Color.BLUE); if(x==0) g.drawLine(0, 0, 19, 0); else if(x==length-1) g.drawLine(0, 19, 19, 19); if(y==0) g.drawLine(19, 0, 19, 19); else if(y==length-1) g.drawLine(0, 0, 0, 19); if(selected) setBackground(Color.WHITE); else setBackground(Color.LIGHT_GRAY); } //g.drawString(x+" "+y, 1, 10); if(value!=0) { temp = value==1? black: white; g.drawImage(temp, 4, 4, this); } } } }

import java.awt.*; import javax.swing.*; @SuppressWarnings("serial") public class MainClass extends JFrame { ControlSnake control; Toolkit kit; Dimension dimen; public static void main(String[] args) { new MainClass("my snake"); } public MainClass(String s) { super(s); control = new ControlSnake(); control.setFocusable(true); kit = Toolkit.getDefaultToolkit(); dimen = kit.getScreenSize(); add(control); setLayout(new BorderLayout()); setLocation(dimen.width / 3, dimen.height / 3);// dimen.width/3,dimen.height/3 setSize(FWIDTH, FHEIGHT); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setResizable(false); setVisible(true); } public static final int FWIDTH = 315; public static final int FHEIGHT = 380; } import java.util.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.Timer; import java.util.Random; @SuppressWarnings("serial") public class ControlSnake extends JPanel implements ActionListener { Random rand; ArrayList list, listBody; String str, str1; static boolean key; int x, y, dx, dy, fx, fy, flag; int snakeBody; int speed; public ControlSnake() { snakeBody = 1; str = "上下左右方向键控制 P键暂停..."; str1 = "现在的长度为:" + snakeBody; key = true; flag = 1; speed = 700; rand = new Random(); list = new ArrayList(); listBody = new ArrayList(); x = 5; y = 5; list.add(new Point(x, y)); listBody.add(list.get(0)); dx = 10; dy = 0; fx = rand.nextInt(30) * 10 + 5;// 2 fy = rand.nextInt(30) * 10 + 5;// 2 setBackground(Color.WHITE); setSize(new Dimension(318, 380)); final Timer time = new Timer(speed, this); time.start(); addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e) { if (e.getKeyCode() == 37) { dx = -10; dy = 0; } else if (e.getKeyCode() == 38) { dx = 0; dy = -10; } else if (e.getKeyCode() == 39) { dx = 10; dy = 0; } else if (e.getKeyCode() == 40) { dx = 0; dy = 10; } else if (e.getKeyCode() == 80) { if (flag % 2 == 1) { time.stop(); } if (flag % 2 == 0) { time.start(); } flag++; } } }); } public void paint(Graphics g) { g.setColor(Color.WHITE); g.fillRect(0, 0, 400, 400); g.setColor(Color.DARK_GRAY); g.drawLine(3, 3, 305, 3); g.drawLine(3, 3, 3, 305); g.drawLine(305, 3, 305, 305); g.drawLine(3, 305, 305, 305); g.setColor(Color.PINK); for (int i = 0; i < listBody.size(); i++) { g.fillRect(listBody.get(i).x, listBody.get(i).y, 9, 9); } g.fillRect(x, y, 9, 9); g.setColor(Color.ORANGE); g.fillRect(fx, fy, 9, 9); g.setColor(Color.DARK_GRAY); str1 = "现在的长度为:" + snakeBody; g.drawString(str, 10, 320); g.drawString(str1, 10, 335); } public void actionPerformed(ActionEvent e) { x += dx; y += dy; if (makeOut() == false) { JOptionPane.showMessageDialog(null, "重新开始......"); speed = 700; snakeBody = 1; x = 5; y = 5; list.clear(); list.add(new Point(x, y)); listBody.clear(); listBody.add(list.get(0)); dx = 10; dy = 0; } addPoint(x, y); if (x == fx && y == fy) { speed = (int) (speed * 0.8);//速度增加参数 if (speed < 200) { speed = 100; } fx = rand.nextInt(30) * 10 + 5;// 2 fy = rand.nextInt(30) * 10 + 5;// 2 snakeBody++;// 2 } // 2 repaint(); } public void addPoint(int xx, int yy) { // 动态的记录最新发生的50步以内的移动过的坐标 // 并画出最新的snakeBody if (list.size() < 100) {//蛇身长度最长为100 list.add(new Point(xx, yy)); } else { list.remove(0); list.add(new Point(xx, yy)); } if (snakeBody == 1) { listBody.remove(0); listBody.add(0, list.get(list.size() - 1)); } else { listBody.clear(); if (list.size() < snakeBody) { for (int i = list.size() - 1; i > 0; i--) { listBody.add(list.get(i)); } } else { for (int i = list.size() - 1; listBody.size() < snakeBody; i--) { listBody.add(list.get(i)); } } } } public boolean makeOut() { if ((x < 3 || y < 3) || (x > 305 || y > 305)) { return false; } for (int i = 0; i < listBody.size() - 1; i++) { for (int j = i + 1; j < listBody.size(); j++) { if (listBody.get(i).equals(listBody.get(j))) { return false; } } } return true; } }

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