用Java绘制K线 (转2)

---- 附：StockApplet.java

import java.applet.*;
import java.awt.*;
import java.io.*;
import java.net.*;
public class StockApplet extends java.applet.Applet implements Runnable
{ //以下是公用变量的声明部分
    int Move_Length=0,Move_Sum=0;
    String FileName,Name_Str,Content_Date;
    int SP[]=new int[2000];
    int KP[]=new int[2000];
    int JD[]=new int[2000];
    int JG[]=new int[2000];
    int Mid_Worth[]=new int[2000];
    String myDate[]=new String[2000];
    double CJL[]=new double[2000];
    double MaxCJL,MidCJL;
    Label label[]=new Label[10];
    int MaxWorth,MinWorth;
int x_move0,x_move1,MaxLength=0;
    int x0,y0,X,Y,Record_Num;
    boolean Mouse_Move,Name_Change=true;
    int JX_Five1,JX_Five2,JX_Ten1,JX_Ten2;
public void init()
{
  TextField text1=new TextField();
  Thread M_pointThread=null;
      setLayout(null);                  //声明布局管理器
      this.setBackground(Color.white);    //设置背景色
  this.setForeground(Color.black);     //设定文字颜色
      for(int i=1;i< 10;i++)      //以下循环用于向布局中添加标签
      {
        label[i]=new Label();
        this.add(label[i]);
        label[i].reshape(i*80-65,10,50,15);
        if(i==2){label[i].reshape(80,10,70,15);}
        if(i==7){label[i].reshape(510,10,80,15);}
        if(i >7){label[i].reshape((i-8)*490+45,380,70,15);}
      }
      FileName="000001";        //程序启动时的默认股票代码
      Name_Str="上证指数";
      this.add(text1);             //向布局中添加文本框
      text1.reshape(150,385,70,20);
      text1.getText();             //取得文本框中输入的内容
}
public void start()
{    //创建并启动多线程
    if (M_pointThread==null)
    {
        M_pointThread=new Thread(this);
        M_pointThread.start();
    }
}
public void run()
{    //运行多线程
    Graphics M_graphics;
    M_graphics=getGraphics();
    M_graphics.setXORMode(Color.white);
    while(true)  //绘制“十字”游标
    {
        try
        {
            if(Mouse_Move==true)
            {
                if(x0 >50 & x0< 600){M_graphics.drawLine(x0,30,x0,380);}
                if(y0 >30 & y0< 380){M_graphics.drawLine(50,y0,600,y0);}
                if(X >50 & X< 600){M_graphics.drawLine(X,30,X,380);}
                if(Y >30 & Y< 380){M_graphics.drawLine(50,Y,600,Y);}
                Mouse_Move=false;
                x0=X;
                y0=Y;
            }
        }catch(NullPointerException npe){}
    }
}
public boolean action(Event evt,Object arg)   //监测事件
    {
        FileName=text1.getText();    //取得新文件名
        repaint();
     //将各变量恢复初始状态
        Name_Change=true;
        Move_Length=0;
        Move_Sum=0;
        MaxLength=0;
        MaxCJL=0;
        return true;
    }
public boolean keyDown(Event evt,int key)  //检测键盘事件
    {