Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JSPÎÞË¢ÐÂÑéÖ¤Âë

´ËʵÏÖ¹²·ÖÈý¸öÎļþ£¬¼´£ºCreatImage.java Éú³ÉͼÏñÁ÷µÄÀ࣬ÌṩÓÃÓÚÉú³ÉͼƬÁ÷µÄ·½·¨£»images.jsp ͼƬ°ü×°£¬ÓÃÓÚ½«Í¼Æ¬¼ÓÈëµ½responseÊä³öÁ÷ÖУ»login.jsp µ÷ÓÃÇ°ÃæµÄjsp£¬ÏÔʾÑéÖ¤Âë¡£
CreatImage.java Àࣺ
3 import java.awt.Color;
 4 import java.awt.Font;
 5 import java.awt.Graphics;
 6 import java.awt.Image;
 7 import java.awt.image.BufferedImage;
 8 import java.util.Random;
 9
10 import javax.servlet.http.HttpServletRequest;
11 import javax.servlet.http.HttpServletResponse;
12 import javax.servlet.http.HttpSession;
13
14 public class CreatImage{
15   
16     private static final long serialVersionUID = 1L;
17     Image image = null;
18     HttpServletRequest request = null;
19     HttpServletResponse response = null;
20    
21     public CreatImage(HttpServletRequest request, HttpServletResponse response){
22         this.request = request;
23         this.response = response;
24     }
25    
26     public Color getRandColor(int fc,int bc){//¸ø¶¨·¶Î§»ñµÃËæ»úÑÕÉ«
27         Random random = new Random();
28         if(fc>255) fc=255;
29         if(bc>255) bc=255;
30         int r=fc random.nextInt(bc-fc);
31         int g=fc random.nextInt(bc-fc);
32         int b=fc random.nextInt(bc-fc);
33         return new Color(r,g,b);
34     }
35    
36     public BufferedImage creatImage(){
37  


Ïà¹ØÎĵµ£º

TomcatÏÂJSP¾­µäÅäÖÃʵÀý

µÚÒ»²½£ºÏÂÔØj2sdkºÍtomcat
µ½sun¹Ù·½Õ¾£¨http://java.sun.com/j2se/1.5.0/download.jsp£©ÏÂÔØj2sdk£¬×¢ÒâÏÂÔØ°æ±¾ÎªWindows Offline InstallationµÄSDK£¬Í¬Ê±×îºÃÏÂÔØJ2SE 1.5.0 Documentation£¬È»ºóµ½tomcat¹Ù·½Õ¾µã£¨http://jakarta.apache.org/site/downloads/downloads_tomcat-5.cgi£©ÏÂÔØtomcat£¨ÏÂÔØ×îÐÂ5.5.9°æ±¾µ ......

JSP/Servlet: TagSupport Àà±ð

Èç¹ûÔÚ×Ô¶©±êÇ©¿âʱ£¬²¢²»ÐèÒª¶Ô±êÇ©±¾Ìå×÷´¦Àí£¬ÔòÄú¿ÉÒԼ̳ÐTagSupportÀà±ð£¬TagSupportÀà±ðʵ×÷ÁËTagÓë IterationTag½éÃæ£¬IterationTag½éÃæÔòÊÇTag½éÃæµÄ×Ó½éÃæ£¬TagSupportÀà±ðÌæÄúÔ¤ÏÈʵ×÷ÁËÕâÁ½¸ö½éÃæÖеķ½·¨£¬Ôڼ̳ÐTagSupportÖ®ºó£¬ÄúÊÓÐèÒªÀ´¸Äдµ±ÖеÄһЩ·½·¨£¨ÕâÊÇ Default Adapterģʽ£©¡£
Tag½éÃæÖÐÓë±êÇ© ......

dz̸ÈçºÎʵÏÖJSPÉÏ´«Í¼Æ¬ÎÞ×é¼þ»¯(ת)

´ÓJSPҳʹͼƬÒÔJPEG±àÂëºó´æ´¢ÔÚÖ¸¶¨Îļþ¼ÐÖС£ÕâÖÖJSPÉÏ´«Í¼Æ¬·½Ê½Óë×é¼þÉÏ´«Ïà±ÈËÆºõ±¿×¾¶øÓÖ²»ÄܶÔÎļþÊôÐÔ½øÐвÙ×÷£¬µ«µÄÈ·¿ÉÒÔÇáËÉʵÏÖJSPÉÏ´«Í¼Æ¬µÄ¹¦ÄÜ¡£
¡¡¡¡uploadimage1.jspʵÏÖ¹¹½¨Ò»¸ö±íµ¥£¬Ìá½»ÓÃÓÚΪ
 <%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
Str ......

JSP¹ýÂËÆ÷Ô­Àí·ÖÎö

http://zhangjunhd.blog.51cto.com/113473/20629
1£®Servlet¹ýÂËÆ÷
1.1 Ê²Ã´ÊǹýÂËÆ÷
¹ýÂËÆ÷ÊÇÒ»¸ö³ÌÐò£¬ËüÏÈÓÚÓëÖ®Ïà¹ØµÄservlet»òJSPÒ³ÃæÔËÐÐÔÚ·þÎñÆ÷ÉÏ¡£¹ýÂËÆ÷¿É¸½¼Óµ½Ò»¸ö»ò¶à¸öservlet»òJSPÒ³ÃæÉÏ£¬²¢ÇÒ¿ÉÒÔ¼ì²é½øÈëÕâЩ×ÊÔ´µÄÇëÇóÐÅÏ¢¡£ÔÚÕâÖ®ºó£¬¹ýÂËÆ÷¿ÉÒÔ×÷ÈçϵÄÑ¡Ôñ£º
¢ÙÒÔ³£¹æµÄ·½Ê½µ÷ÓÃ×ÊÔ´£¨¼´£¬µ÷ ......

jsp»·¾³ÅäÖÃ

1¡¢ÐèҪ׼±¸µÄÈí¼þ£¨Èí¼þû·¨ÉÏ´«Ö»ºÃ·¢µØÖ·£©
     £¨1£©jdk1.6
     £¨2£©TOMCAT 5.5»òTOMCAT 6.0
2¡¢ÏȰ²×°jdk1.6£¬Ä¬Èϰ²×°¼´¿É£¬°²×°Íêºó£¬µã“¿ªÊ¼” -- “ÔËÐД£¬ÊäÈëcmdÈ·¶¨£¬½øÈëÃüÁî¿ò£¬ÊäÈë“java -version”£¬»Ø³µ£¬¾Í»á³öÀ´javaµÄ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ