package?cn.lel.draw;

/**
?*?畫坐標(biāo)軸和坐標(biāo)軸上的點(diǎn)
?*/
import?java.awt.Color;
import?java.awt.Graphics;

import?javax.swing.JPanel;

public?class?DrawCoord?extends?JPanel?{
	@Override
	public?void?setBackground（Color?bg）?{
		super.setBackground（Color.BLACK）;
	}

	public?void?paint（Graphics?g）?{
		super.paint（g）;
		//?設(shè)置畫筆的顏色
		g.setColor（Color.WHITE）;
		//?畫x軸
		g.drawLine（0?getHeight（）?/?2?getWidth（）?getHeight（）?/?2）;
		//?畫y軸
		g.drawLine（getWidth（）?/?4?0?getWidth（）?/?4?getHeight（））;
		//?畫箭頭
		g.drawLine（getWidth（）?getHeight（）?/?2?getWidth（）?-?10
				getHeight（）?/?2?-?10）;
		g.drawLine（getWidth（）?getHeight（）?/?2?getWidth（）?-?10
				getHeight（）?/?2?+?10）;
		g.drawLine（getWidth（）?/?4?0?getWidth（）?/?4?-?10?10）;
		g.drawLine（getWidth（）?/?4?0?getWidth（）?/?4?+?10?10）;
		//?畫X軸上的點(diǎn)
		for?（int?i?=?0;?i?			g.fillOval（i?*?getWidth（）?/?16?-?3?getHeight（）?/?2?-?3?6?6）;
		}
		for?（int?i?=?3;?i?			g.drawString（String.valueOf（i?-?2）?+?“∏/2“?i?*?getWidth（）?/?8?-?6
					getHeight（）?/?2?+?16）;
		}
		g.drawString（“-∏/2“?getWidth（）?/?8?-?6?getHeight（）?/?2?+?16）;
		g.drawString（“-∏“?0?*?getWidth（）?/?4?getHeight（）?/?2?-?6）;
		g.drawString（“∏“?2?*?getWidth（）?/?4?getHeight（）?/?2?-?6）;
		g.drawString（“2∏“?3?*?getWidth（）?/?4?getHeight（）?/?2?-?6）;
		//?畫y軸上的點(diǎn)
		for?（int?i?=?1?j?=?2;?i?			g.fillOval（getWidth（）?/?4?-?3?i?*?getHeight（）?/?6?-?3?6?6）;
			g.drawString（String.valueOf（j）?getWidth（）?/?4?+?6?i?*?getHeight（）
					/?6?+?3）;
		}
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-11-03?19:47??sine_cosine\
?????文件?????????301??2017-10-21?16:42??sine_cosine\.classpath
?????文件?????????387??2017-10-21?16:42??sine_cosine\.project
?????目錄???????????0??2017-11-03?19:47??sine_cosine\.settings\
?????文件?????????598??2017-10-21?16:42??sine_cosine\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2017-11-03?19:47??sine_cosine\bin\
?????目錄???????????0??2017-11-03?19:47??sine_cosine\bin\cn\
?????目錄???????????0??2017-11-03?19:47??sine_cosine\bin\cn\lel\
?????目錄???????????0??2017-11-03?19:47??sine_cosine\bin\cn\lel\draw\
?????文件????????1795??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\DrawCoord.class
?????文件????????1760??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\GetSlider.class
?????文件????????1113??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe$1.class
?????文件????????1113??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe$2.class
?????文件????????1113??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe$3.class
?????文件????????1663??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe$4.class
?????文件????????1663??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe$5.class
?????文件????????1135??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe$6.class
?????文件????????1135??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe$7.class
?????文件?????????546??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe$8.class
?????文件????????9574??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe.class
?????文件????????1126??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2$1.class
?????文件????????1126??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2$2.class
?????文件????????1126??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2$3.class
?????文件????????1678??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2$4.class
?????文件????????1678??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2$5.class
?????文件????????1147??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2$6.class
?????文件????????1147??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2$7.class
?????文件?????????550??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2$8.class
?????文件????????9073??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\NewJframe2.class
?????文件????????4517??2017-11-01?16:24??sine_cosine\bin\cn\lel\draw\SinAndCos.class
?????目錄???????????0??2017-11-03?19:47??sine_cosine\src\
............此處省略8個(gè)文件信息