showrectangle.java

关于学生成绩管理系统的,是比较好的.估计适合比较多的学校的

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;


public class ShowRectangle extends JFrame{
	
	public int count;
	public int count2;
	public int count3;
	public int count4;
	public int count5;
	public int count6;
	
	public ShowRectangle(int c,int c2,int c3,int c4,int c5,int c6){
	//public ShowRectangle(){
		this.count=c;
		this.count2=c2;
		this.count3=c3;
		this.count4=c4;
		this.count5=c5;
		this.count6=c6;
		
		getContentPane().setLayout(new BorderLayout());
		getContentPane().add(new JLabel("显示成绩情况",SwingConstants.CENTER),
		BorderLayout.NORTH);
		getContentPane().add(new showmain(count,count2,count3,
		count4,count5,count6),BorderLayout.CENTER);
		//getContentPane().add(new showmain(),BorderLayout.CENTER);
		
		JPanel numpanel=new JPanel();
		numpanel.setLayout(new GridLayout(0,1));
		numpanel.add(new JLabel("   "));
		numpanel.add(new JLabel("   "));
		numpanel.add(new JLabel("   "));
		numpanel.add(new JLabel("   "));
		numpanel.add(new JLabel("   "));
		numpanel.add(new JLabel("   "));
		
		getContentPane().add(numpanel,BorderLayout.WEST);
	}
	
/*	public static void main(String[] args){
		ShowRectangle frame=new ShowRectangle();
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(300,300);
		frame.setVisible(true);
	}*/
}

class showmain extends JPanel{
	public int count;
	public int count2;
	public int count3;
	public int count4;
	public int count5;
	public int count6;
	
	public showmain(){
	}
	
	public showmain(int c,int c2,int c3,int c4,int c5,int c6){
		this.count=c;
		this.count2=c2;
		this.count3=c3;
		this.count4=c4;
		this.count5=c5;
		this.count6=c6;
		this.setBackground(Color.pink);
	}
	protected void paintComponent(Graphics g){
		super.paintComponent(g);
		
		int width=getWidth()*9/10;
		int height=getHeight()*8/10;
		int full=10+height*3/10;
		int lenght=height*7/10;
		
		g.drawRect(28,10,width-18,height);
		g.setColor(Color.blue);
		g.fillRect(5+width/7,full+(10+height-full)*(25-count2)/25-2,
		width/7,(10+height-full)*count2/25+2);
		
		
		g.fillRect(10+width*2/7,full+(10+height-full)*(25-count3)/25-2,
		width/7,(10+height-full)*count3/25+2);
		
		
		g.fillRect(15+width*3/7,full+(10+height-full)*(25-count4)/25-2,
		width/7,(10+height-full)*count4/25+2);
		
		
		g.fillRect(20+width*4/7,full+(10+height-full)*(25-count5)/25-2,
		width/7,(10+height-full)*count5/25+2);
		
		
		g.fillRect(25+width*5/7,full+(10+height-full)*(25-count6)/25-2,
		width/7,(10+height-full)*count6/25+2);
		
		g.setColor(Color.cyan);
		g.drawLine(28,20+height*1/5,10+width,20+height/5);
		g.drawLine(28,20+height*2/5,10+width,20+height*2/5);
		g.drawLine(28,20+height*3/5,10+width,20+height*3/5);
		g.drawLine(28,20+height*4/5,10+width,20+height*4/5);
		
		g.setColor(Color.blue);
		g.drawString("<60",9+width/7,30+height);
		g.drawString("60~70",14+width*2/7,30+height);
		g.drawString("70~80",19+width*3/7,30+height);
		g.drawString("80~90",24+width*4/7,30+height);
		g.drawString("90~100",29+width*5/7,30+height);
		
		g.drawString("25人",0,20);
		g.drawString("20人",0,20+height/5);
		g.drawString("15人",0,20+height*2/5);
		g.drawString("10人",0,20+height*3/5);
		g.drawString("5人",0,20+height*4/5);
		
		g.setColor(Color.BLUE);
		g.drawString(count2+"人",9+width/7,full+(10+height-full)*(25-count2)/25-4);
		g.drawString(count3+"人",14+width*2/7,full+(10+height-full)*(25-count3)/25-4);
		g.drawString(count4+"人",19+width*3/7,full+(10+height-full)*(25-count4)/25-4);
		g.drawString(count5+"人",24+width*4/7,full+(10+height-full)*(25-count5)/25-4);
		g.drawString(count6+"人",29+width*5/7,full+(10+height-full)*(25-count6)/25-4);
	}
}