drawrect参数 java_java drawRect怎么定位

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你所谓的“吃掉”是因为描绘的起点(矩形左上角那点)是相对Frame的左上角开e5a48de588b63231313335323631343130323136353331333330343164始的，自然包括了标题栏和Frame边框的像素。我将你的代码完善了下，使用JPanel来实现你想要的效果，贴出代码和效果图。有什么问题可以问我。Email：gengjieoffice@

Code:

packagecn.gengjie.swing.test;

importjava.awt.BasicStroke;

importjava.awt.Color;

importjava.awt.Graphics;

importjava.awt.Graphics2D;

importjavax.swing.JFrame;

importjavax.swing.JPanel;

publicclassRectTestextendsJFrame{

privatestaticfinallongserialVersionUID=1L;

privateJPanelpanel;

publicRectTest(){

this.setTitle("DrawRectTest");

this.panel=newJPanel();

this.add(panel);

this.setSize(450,420);

panel.setBounds(this.getBounds());

this.setVisible(true);

}

publicvoiddrawRect(){

Graphics2Dg=(Graphics2D)panel.getGraphics().create();

g.setColor(Color.RED);

g.setStroke(newBasicStroke(1f));

g.drawRect(0,0,200,250);

g.setColor(Color.GRAY);

g.setStroke(newBasicStroke(2f));

g.drawLine(0,0,200,250);

g.drawString("Heyguy!Thisisjustthe"+"rightoneyouwanna!",0,265);

}

publicvoidpaint(Graphicsg){

super.paint(g);

drawRect();

}

publicstaticvoidmain(Stringargs[]){

newRectTest().drawRect();

}

}