java³¬¼òµ¥,³¬¼¶ÊµÓÃÑéÖ¤Âë
1. ÑéÖ¤Âë(2)
dsnaValidateCode.jar
dsnaValidateCode_src.rar
ValidateCode.java ÑéÖ¤ÂëÉú³ÉÀà
Java´úÂë
package cn.dsna.util.images;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Random;
import javax.imageio.ImageIO;
/**
* ÑéÖ¤ÂëÉú³ÉÆ÷
* @author dsna
*
*/
public class ValidateCode {
// ͼƬµÄ¿í¶È¡£
private int width = 160;
// ͼƬµÄ¸ß¶È¡£
private int height = 40;
// ÑéÖ¤Âë×Ö·û¸öÊý
private int codeCount = 5;
// ÑéÖ¤Âë¸ÉÈÅÏßÊý
private int lineCount = 150;
// ÑéÖ¤Âë
private String code = null;
// ÑéÖ¤ÂëͼƬBuffer
private BufferedImage buffImg=null;
private char[] codeSequence = { 'A','B','C','D','E','F','G', 'H','I','J','K','L','M','N','P','Q','R','S','T','U','V','W','X','Y','Z','1','2','3','4','5','6','7','8','9'};
public ValidateCode() {
&n
Ïà¹ØÎĵµ£º
FileInputStream fis=null;
try
{
fis=new FileInputStream("file url")
}
catch(Exception e){e.printStackTrace()}
System.out.println("File has "+ fis.available() + " bytes"); ......
ÅäÖÃjava »·¾³±äÁ¿ºÜ¼òµ¥ £º
Ê×ÏÈ:
1¡¢Ë«»÷“ÎҵĵçÄÔ”
2¡¢Ë«»÷“¿ØÖÆÃæ°å”
3¡¢Ë«»÷“ϵͳ”
4¡¢µã»÷“¸ß¼¶”Ñ¡Ï£¬
5¡¢µã»÷“»·¾³±äÁ¿”°´Å¥
Æä´Î:
1¡¢±äÁ¿Ãû: path
±äÁ¿Öµ: C:\jdk1.6.0\bin;
2¡¢±äÁ¿Ãû: classpath
±äÁ¿Öµ: .;%JAVA_HOME%\lib\ ......
Ò»°ãÎÒÃÇÔÚjavaÖÐÔËÐÐÆäËüÀàÖеķ½·¨Ê±£¬ÎÞÂÛÊǾ²Ì¬µ÷Ó㬻¹ÊǶ¯Ì¬µ÷Ó㬶¼ÊÇÔÚµ±Ç°µÄ½ø³ÌÖÐÖ´Ðеģ¬Ò²¾ÍÊÇ˵£¬Ö»ÓÐÒ»¸öjavaÐéÄâ»úʵÀýÔÚÔËÐС£¶øÓеÄʱºò£¬ÎÒÃÇÐèҪͨ¹ýjava´úÂëÆô¶¯¶à¸öjava×Ó½ø³Ì¡£ÕâÑù×öËäȻռÓÃÁËһЩϵͳ×ÊÔ´£¬µ«»áʹ³ÌÐò¸ü¼ÓÎȶ¨£¬ÒòΪÐÂÆô¶¯µÄ³ÌÐòÊÇÔÚ²»Í¬µÄÐéÄâ»ú½ø³ÌÖÐÔËÐеģ¬Èç¹ûÓÐÒ»¸ö½ø³Ì·¢Éú ......
·´ÉäµÄ¸ÅÄîÊÇÓÉSmithÔÚ1982ÄêÊ×´ÎÌá³öµÄ£¬Ö÷ÒªÊÇÖ¸³ÌÐò¿ÉÒÔ·ÃÎÊ¡¢¼ì²âºÍÐÞ¸ÄËü±¾Éí״̬»òÐÐΪµÄÒ»ÖÖÄÜÁ¦¡£ÕâÒ»¸ÅÄîµÄÌá³öºÜ¿ìÒý·¢Á˼ÆËã»ú¿ÆÑ§ÁìÓò¹ØÓÚÓ¦Ó÷´ÉäÐÔµÄÑо¿¡£ËüÊ×Ïȱ»³ÌÐòÓïÑÔµÄÉè¼ÆÁìÓòËù²ÉÓÃ,²¢ÔÚLispºÍÃæÏò¶ÔÏó·½ÃæÈ¡µÃÁ˳ɼ¨¡£ÆäÖÐLEAD/LEAD++ ¡¢OpenC++ ¡¢MetaXaºÍOpenJavaµÈ¾ÍÊÇ»ùÓÚ·´Éä»úÖÆµÄÓïÑÔ¡£×î½ü ......
½ñÌìÎÒÔÚ×ö·É»ú¡£ÎªÊ²Ã´ËµÎÒÔÚ×ö·É»úÄØ£¡ÒòΪÕâÊÇÎÒ½ø´«ÖDz¥¿ÍÒÔÀ´£¬¸öÈ˸оõ·Ç³£ÖØÒªµÄÒ»ÌÿΣ¬µ«ÊÇÎÒ²»ÄÜÒ»ÏÂ×Ó¼ÇסËùËùÓеĶ«Î÷£¬×òÌìÍíÉÏ£¬¿´ÊÓÆµ¿´µ½ÍíÉÏÈýµã£¬½ñÌìÉϿκÜÏ뼯ÖÐ×¢ÒâÁ¦£¬µ«ÊÇ×îÖÕ»¹ÊÇÈ̲»×¡´òÁËî§Ë¯£¬µ«½ñÌìµÄµÄ¿Î¸øÎҵĸоõÊǷdz£¾ßÓÐÁ¬¹áÐÔ£¬Ç°ÃæµÄ¿ÎÈç¹ûÌýµÃ²»ÊǺÜÇ ......