lx.java~1~

风机在线监测系统,采用sqlserver数据库,有问题联系我

package java2d;
import java.awt.*;
import java.sql.*;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Arc2D;
import java.awt.geom.AffineTransform;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import java.util.*;
import java.sql.Connection;

public class LX extends AnimatingSurface {

	//public long sleepAmount = 500;
        private Connection con;
		private String samptime,disptime;
		private int aw,ah;
		private int columnInc;
		private int pts[];
        private int ptNum,start,end;
		private float rtd;
		private double doubleResult;
        private Rectangle graphOutlineRect = new Rectangle();
        private Rectangle2D mfRect = new Rectangle2D.Float();
        private Rectangle2D muRect = new Rectangle2D.Float();
        private Line2D graphLine = new Line2D.Float();
        private Color graphColor = new Color(46, 139, 87);
        private Color mfColor = new Color(0, 100, 0);

       
    public LX() {
		
        setBackground(Color.white);
		name="风机左X";
		if (Java2Demo.connection!=null)
		{
			con=Java2Demo.connection;

		}
		
		 }


    public void reset(int w, int h) {
     
    }


    public void step(int w, int h) {
     
    }

    public void render(int w, int h, Graphics2D g2) {
         
      // g2.setBackground(getBackground());
	    g2.setBackground(Color.black);
        aw=w;

            g2.clearRect(0,0,w,h);
            g2.setColor(graphColor);
			//draw grahpicoutlinerect
			int graphX=20;
			int graphY=40;
			//int graphW=w-graphX-5;
             int graphW=w-graphX-20;
			int graphH=h-graphY-20;
            //
			System.out.println("the width is:"+graphW);
            int LT=graphW/2;
			System.out.println("the LT is"+LT);

			graphOutlineRect.setRect(graphX, graphY, graphW, graphH);
            g2.draw(graphOutlineRect);
            
			int graphRow=graphH/10;

			//draw row...
			 for (int j = graphY; j <= graphH+graphY; j += graphRow) {
                graphLine.setLine(graphX,j,graphX+graphW,j);
                g2.draw(graphLine);
            }
			int plotY=graphY+5*graphRow;
			g2.drawString("5",graphX-7,graphY+3);
			g2.drawString("0",graphX-7,graphY+5*graphRow+3);
			g2.drawString("-5",graphX-11,graphY+graphH+3);

			//draw animated column movement....
			int graphColumn=graphW/15;
			if(columnInc==0)
				columnInc=graphColumn;

			for (int j=graphX+columnInc;j<graphW+graphX ;j+=graphColumn)
			{
				graphLine.setLine(j,graphY,j,graphY+graphH);
				g2.draw(graphLine);
			}
			--columnInc;
             
			 //plot
		
				g2.setColor(Color.yellow);
				g2.drawString("风机左X方向 振动波形图     单位:毫米",graphX+graphW/4,graphY/2);
               if (Java2Demo.pArray!=null)
				{   realdata=Java2Demo.pArray.lastdata;
					g2.drawString(Java2Demo.pArray.inputtime,graphX+graphW-27,graphY+graphH+12);
                    ptNum=Java2Demo.pArray.getptNum();
					System.out.println(""+ptNum);
					if (ptNum>LT)
					{
						start=ptNum-LT;
						end=LT;
					}
					else
					{start=0;
					 end=ptNum;
					}
					    
					int space=2;
					for (int j=graphX+graphW-end*space,k=start;k<ptNum;k++,j+=space)
				{
					if(k!=start){
						if (plotY-(int)(Java2Demo.pArray.pts[k]*graphH/20)!=plotY-(int)(Java2Demo.pArray.pts[k-1]*graphH/20))
						{
							g2.drawLine(j-space,plotY-(int)(Java2Demo.pArray.pts[k-1]*graphH/20),j,plotY-(int)(Java2Demo.pArray.pts[k]*graphH/20));
						}else{
							g2.fillRect(j,plotY-(int)(Java2Demo.pArray.pts[k]*graphH/20),1,1);
						}
				}
				}
				}
                 }
	     }