JAVA电子密保生成

来源：互联网发布：足球魔方大数据编辑：程序博客网时间：2024/05/17 08:37

import java.awt.*;
import java.awt.image.*;
import java.io.*;
import java.util.Random;

import javax.imageio.*;

import java.awt.font.*;
import java.awt.geom.*;

/**
* JAVASecret security card generates
* @author Administrator
*    Carefree (mail: xf_taoran@163.com)
*    welcomes exchange of common learning
*
*/
public class CreatePasswordProtection {
public static void main(String[] args) throws Exception {
  int width = 400;
  int height = 300;
  String title = "E-secret security card";

  String index = "Serial Number : ";

  String[] xindex = {"1","2","3","4","5","6"};

  String[] yindex = {"A","B","C","D","E","F"};

/////////////////////////////////////////////////////////////////
  Random random = new Random();
  File file = new File("c:/image.jpg");

  Font font = new Font("Serif", Font.BOLD, 14);
  BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
  Graphics2D g2 = (Graphics2D)bi.getGraphics();
  g2.setBackground(Color.WHITE);
  g2.clearRect(0, 0, width, height);
  g2.setPaint(Color.RED);
/////////////////////////////////////////////////////////////////
  FontRenderContext context0 = g2.getFontRenderContext();
  Rectangle2D bounds0 = font.getStringBounds(index, context0);
  double x0 = 2;
  double y0 = 2;
  double ascent0 = -bounds0.getY();
  double baseY0 = y0 + ascent0;
  g2.drawString(title, (int)x0, (int)baseY0);
/////////////////////////////////////////////////////////////////
  FontRenderContext context = g2.getFontRenderContext();
  Rectangle2D bounds = font.getStringBounds(index, context);
  double x = (width - 350);
  double y = (height - 250);
  double ascent = -bounds.getY();
  double baseY = y + ascent;
  index = index+(random.nextInt(8999)+1000)+" "+(random.nextInt(8999)+1000)+" "+(random.nextInt(8999)+1000)+" "+(random.nextInt(8999)+1000);
  g2.drawString(index, (int)x, (int)baseY);
/////////////////////////////////////////////////////////////////
  for (int i = 0; i < xindex.length; i++) {
   double xx = (width - 350) + 40*(i+1);
   double yx = (height - 250) + 30;
   g2.drawString(xindex[i], (int)xx, (int)yx);
  }
/////////////////////////////////////////////////////////////////
  for (int i = 0; i < yindex.length; i++) {
   double xy = (width - 350) - 10;
   double yy = (height - 250) + 30 + 30*(i+1);
   g2.drawString(yindex[i], (int)xy, (int)yy);
  }
/////////////////////////////////////////////////////////////////
  for (int j = 0; j < 7; j++) {
   g2.drawLine(69, 85+30*j, 309, 85+30*j);
   g2.drawLine(69+40*j, 85, 69+40*j, 265);
  }
/////////////////////////////////////////////////////////////////
  for (int j = 0; j < 6; j++) {
   for (int i = 0; i < 6; i++) {
    int sj = random.nextInt(999);
    double xx = (width - 350) - 10 + 40*(i+1);
    double yx = (height - 250) + 50 + 30*j;
    g2.drawString(String.valueOf(sj), (int)xx, (int)yx);
   }
  }

  ImageIO.write(bi, "jpg", file);
    }
}