package?com.news.controller;
import?java.io.IOException?;
import?javax.servlet.ServletException;?
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;?
import?javax.servlet.http.HttpServletResponse;?

import?org.springframework.stereotype.Controller;

import?java.awt.Color;
import?java.awt.Font;
import?java.awt.Graphics2D;
import?java.awt.image.BufferedImage;
import?java.io.OutputStream;
import?java.util.Random;
import?com.sun.image.codec.jpeg.JPEGCodec;
import?com.sun.image.codec.jpeg.JPEGImageEncoder;
/**
?*?
?*?@author?胡雙陽?
?*?在web.xml中注冊一個servlet，實現驗證碼的生成
?*/
public?class?AuthImage?extends?HttpServlet?{



public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）
throws?ServletException?IOException?{
doPost（request?response）;
}


public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）
throws?ServletException?IOException?{
response.setContentType（“imge/jpeg“）;???????
request.setCharacterEncoding（“UTF-8“）;
response.setCharacterEncoding（“UTF-8“）;

int?width=?300;??
int?height?=?50;
int?count?=?4;
String?codes=“ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789“;//浠庨噷闈㈠彇鏁?
String?codeValues?=?““;
BufferedImage?image?=?new?BufferedImage（widthheightBufferedImage.TYPE_INT_RGB）;
Graphics2D?g?=?image.createGraphics（）;
g.setColor（Color.WHITE）;
g.fillRect（0?0?width?height）;

g.setColor（Color.blue）;
g.drawRect（0?0?width?height）;
Random?random?=?new?Random（）;
int?segment?=?width/count;??
for（int?i=0;iint?red?=random.nextInt（255）+1;
int?blue?=?random.nextInt（255）+1;
int?green?=?random.nextInt（255）+1;

Color?color?=?new?Color（redbluegreen）;
g.setColor（color）;
int?size?=?random.nextInt（7）+30;
Font?font?=?new?Font（“Default“Font.ITALICsize）;
g.setFont（font）;
int?index?=?random.nextInt（codes.length（））;
String?s?=?codes.charAt（index）+““;
codeValues?+=?s;
g.drawString（s?i*segment?height-4）;
}
request.getSession（）.setAttribute（“codeValues“?codeValues）;
//?System.out.println（codeValues）;
for（int?i=0;i<5;i++）{
int?x=random.nextInt（width）+1;
int?y=random.nextInt（height）+1;
g.drawRect（x?y?1?1）;
}
g.dispose（）;
OutputStream?out?=?response.getOutputStream（）;
JPEGImageEncoder?encoder?=?JPEGCodec.createJPEGEncoder（out）;
encoder.encode（image）;
out.flush（）;
out.close（）;
}


}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????9151347??2018-08-09?16:19??新聞發布系統.pptx

?????文件?????506368??2018-08-02?09:31??新聞網站報告.doc

?????文件????????607??2018-08-04?15:51??news03\.classpath

?????文件????????291??2018-08-03?14:44??news03\.mymetadata

?????文件???????1749??2018-08-03?14:57??news03\.project

?????文件????????500??2018-08-03?14:44??news03\.settings\.jsdtscope

?????文件????????163??2018-08-05?20:50??news03\.settings\com.genuitec.eclipse.core.prefs

?????文件?????????87??2018-08-05?10:02??news03\.settings\org.eclipse.core.resources.prefs

?????文件????????364??2018-08-03?14:44??news03\.settings\org.eclipse.jdt.core.prefs

?????文件????????456??2018-08-03?14:44??news03\.settings\org.eclipse.wst.common.component

?????文件????????252??2018-08-03?14:44??news03\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2018-08-03?14:44??news03\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2018-08-03?14:44??news03\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????3575??2018-08-04?21:01??news03\src\applicationContext.xml

?????文件???????2434??2018-08-05?10:02??news03\src\com\news\controller\AuthImage.java

?????文件???????7885??2018-08-10?08:26??news03\src\com\news\controller\kaihoutai.java

?????文件???????6848??2018-08-08?23:16??news03\src\com\news\controller\kaishi.java

?????文件???????3763??2018-08-07?13:56??news03\src\com\news\controller\ManagerHandler.java

?????文件???????5573??2018-08-09?20:29??news03\src\com\news\controller\pageHandler.java

?????文件???????3814??2018-08-07?15:26??news03\src\com\news\controller\SupportHandler.java

?????文件???????2231??2018-08-08?14:44??news03\src\com\news\controller\uploadfiles.java

?????文件???????2328??2018-08-07?10:27??news03\src\com\news\controller\UserController.java

?????文件???????6977??2018-08-09?20:22??news03\src\com\news\controller\UserHandler.java

?????文件????????931??2018-08-06?19:37??news03\src\com\news\dao\ManagerMapper.java

?????文件???????1598??2018-08-10?08:07??news03\src\com\news\dao\NewsMapper.java

?????文件????????890??2018-08-03?14:54??news03\src\com\news\dao\News_typeMapper.java

?????文件????????975??2018-08-06?22:15??news03\src\com\news\dao\ReviewMapper.java

?????文件????????858??2018-08-08?14:48??news03\src\com\news\dao\SourceMapper.java

?????文件????????856??2018-08-06?15:43??news03\src\com\news\dao\SupportMapper.java

?????文件???????1125??2018-08-09?20:18??news03\src\com\news\dao\UserMapper.java

............此處省略342個文件信息