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榪欎簺騫達紝 CRH銆佹敮綰垮鏈恒?#8220;紲炰簲”銆?#8220;紲炲叚”鐨勫嚭鐜幫紝鎯婂徆縐戞妧鐨勫己澶с傚湪榪欏叾涓綆楁満杈呭姪璁捐錛岃綆楁満浠跨湡絳夋妧鏈湪鍏朵腑璧風潃閲嶈鐨勪綔鐢ㄣ?/span>
璁$畻鏈鴻緟鍔╄璁?/span>(CAD)鏄竴欏瑰埄鐢ㄨ綆楁満鐭㈤噺鍥懼艦鎶鏈潵瀹屾垚鍥懼艦緇樺埗銆佷慨鏀圭瓑宸ヤ綔鐨勬妧鏈傜敱浜庣煝閲忓浘褰㈠鐞嗗叿鏈夋暟鎹簿搴﹂珮銆佷繚鐪熸ц兘濂姐佷慨鏀規柟渚跨瓑鐗圭偣錛岀幇鍦ㄨ騫挎硾搴旂敤浜庡伐紼嬭璁°佸伐涓氬姞宸ャ佹縺鍏夐洉鍒匯佹縺鍏夋墦鏍囩瓑棰嗗煙鍜岃涓氥?/span>
鐜板湪鐩墠鐨勭煝閲忓浘褰㈠鐞嗙殑杞歡寰堝銆傚宸ヤ笟璁捐涓婄敤寰楁瘮杈冨鐨?/span>AutoCAD銆?/span>UG銆?/span>Pro/E錛屽鉤闈㈣璁°佹帓鐗堜笂鐢ㄧ殑CorelDraw銆?/span>Illustrator錛屾縺鍏夋爣鍒昏涓氫笂鐢ㄧ殑EzCAD錛岀數瀛愯璁′笂鐢ㄧ殑Protel絳夌瓑銆傚畠浠悇鏈夊叾渚ч噸錛屾槸鐢變簬搴旂敤鑰屽喅瀹氱殑錛屼絾鍏朵腑鐨勬牳蹇冨鐞嗘満鍒舵槸涓鏍楓?/span>
涓嶇煡浣犳槸鍚︽兂鍦ㄤ綘鐨勫伐浣滀腑鐢ㄨ繖涓綾葷殑杞歡錛屾槸鍚︽湁瑙夊緱榪欎簺鐜版湁鐨勮蔣浠訛紝鍦ㄦ煇浜涙柟闈笉閫傚悎浣犳墍澶勭殑琛屼笟銆備笉綆℃槸鍚︽槸紼嬪簭鍛橈紝鍙浣犳湁榪欐柟闈㈢殑鍏磋叮錛屾垜鎯沖拰澶у涓璧風爺絀跺浣曞仛鐭㈤噺鍥懼艦澶勭悊杞歡銆?/span>
涓銆?鐑韓
璇翠簡榪欎箞澶氾紝 鎴戞兂鍏堢儹鐑韓錛屽仛涓涓兘鐢葷嚎鐨勭▼搴忋傦紙榪欓噷鎴戠敤Java鍋氫負寮鍙戣璦錛屼富瑕佹槸鑰冭檻鍏剁畝鍗曘佹槗瀛︼紝閫傚悎浜庡垵瀛﹁咃級
1銆佸緩涓涓敤浜庡瓨鍌ㄧ嚎鏁版嵁鐨勭被
class LineData
{
private int x1, x2, y1, y2;
public int getX1() {
return x1;
}
public void setX1(int x1) {
this.x1 = x1;
}
public int getX2() {
return x2;
}
public void setX2(int x2) {
this.x2 = x2;
}
public int getY1() {
return y1;
}
public void setY1(int y1) {
this.y1 = y1;
}
public int getY2() {
return y2;
}
public void setY2(int y2) {
this.y2 = y2;
}
public LineData(int x1, int y1, int x2, int y2)
{
this.x1 = x1;
this.x2 = x2;
this.y1 = y1;
this.y2 = y2;
}
public LineData(LineData line)
{
this(line.x1, line.y1, line.x2, line.y2);
}
public LineData()
{
this(0,0,0,0);
}
}
2銆佺幇鍦ㄥ彲浠ュ緩涓涓敾甯冪敤浜庡搷搴旈紶鏍囩偣鍑匯佺Щ鍔ㄦ搷浣滅敤浜庣粯鍥俱?/span>
1) 榪欓噷榪欎釜綾葷戶鎵胯嚦JPanel綾伙紝鍚屾椂涓轟簡鍝嶅簲榧犳爣鎿嶄綔瀹炵幇MouseListener, MouseMotionListener鎺ュ彛錛?/span>public class Canvas extends JPanel implements ICanvas, MouseListener, MouseMotionListener銆傚湪綾葷殑鏋勯犲櫒涓婂姞鍏?/span>
addMouseListener(this);
addMouseMotionListener(this);
璇彞銆?/span>
2) 鍦ㄧ被鍔犲叆涓変釜鍙橀噺錛?/span>
a)鐢ㄤ簬瀛樺綋鍓嶆椿璺冪殑綰夸俊鎭殑綰挎暟鎹細LineData active = new LineData();
b)鐢ㄤ簬瀛樺凡鐢誨ソ鐨勭嚎闆嗘暟鎹細Vector<LineData> lines = new Vector<LineData>();
c)鐢ㄤ簬瀛樺綋鍓嶇敾鎿嶄綔鐘舵侊細boolean isDrawing = false;
3) 鐜板湪鍐欎竴涓敾綰塊泦鐨勬柟娉曪細
private void drawLines()
{
for(LineData line : lines)
{
g.drawLine(line.getX1(), line.getY1(), line.getX2(), line.getY2());
}
}
4) 閲嶈澆JPanel涓殑paintCompomont鏂規硶
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
drawLines(g);
if(isDrawing)
g.drawLine(active.getX1(), active.getY1(), active.getX2(), active.getY2());
}
5)鐜板湪鍙互瀹炵幇榧犳爣鍝嶅簲錛?/span>
a) 榧犳爣鎸変笅
@Override
public void mousePressed(MouseEvent e) {
int x = e.getX();
int y = e.getY();
isDrawing = !isDrawing;
if(isDrawing)
{
active.setX1(x);
active.setY1(y);
}
else
{
active.setX2(x);
active.setY2(y);
lines.add(new LineData(active));
}
}
b) 榧犳爣縐誨姩
@Override
public void mouseMoved(MouseEvent e) {
int x = e.getX();
int y = e.getY();
if(isDrawing)
{
active.setX2(x);
active.setY2(y);
repaint();
}
}
3銆佸疄鐜頒富紿椾綋
public class LinePaint extends JFrame {
public static void main(String args[]) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
LinePaint frame = new LinePaint();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
public LinePaint() {
super();
setBounds(100, 100, 500, 375);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
getContentPane().add(new Canvas());
}
}