package?Bean;

import?java.awt.Color;
import?java.awt.Font;
import?java.awt.Graphics;
import?java.awt.image.BufferedImage;
import?java.io.IOException;
import?java.io.OutputStream;
import?java.util.Random;

import?javax.imageio.ImageIO;

public?class?Image?{
????//?驗(yàn)證碼圖片中可以出現(xiàn)的字符集，可根據(jù)需要修改
????private?char?mapTable[]?=?{?‘a(chǎn)‘?‘b‘?‘c‘?‘d‘?‘e‘?‘f‘?‘g‘?‘h‘?‘i‘
????????????‘j‘?‘k‘?‘l‘?‘m‘?‘n‘?‘o‘?‘p‘?‘q‘?‘r‘?‘s‘?‘t‘?‘u‘?‘v‘
????????????‘w‘?‘x‘?‘y‘?‘z‘?‘0‘?‘1‘?‘2‘?‘3‘?‘4‘?‘5‘?‘6‘?‘7‘?‘8‘
????????????‘9‘?};

????/**
?????*?功能：生成彩色驗(yàn)證碼圖片?參數(shù)width為生成圖片的寬度，參數(shù)height為生成圖片的高度，參數(shù)os為頁(yè)面的輸出流
?????*/
????public?String?getCertPic（int?width?int?height?OutputStream?os）?{
????????if?（width?<=?0）
????????????width?=?60;
????????if?（height?<=?0）
????????????height?=?20;
????????BufferedImage?image?=?new?BufferedImage（width?height
????????????????BufferedImage.TYPE_INT_RGB）;
????????//?獲取圖形上下文
????????Graphics?g?=?image.getGraphics（）;
????????//?設(shè)定背景色
????????g.setColor（new?Color（0xDCDCDC））;
????????g.fillRect（0?0?width?height）;
????????//?畫(huà)邊框
????????g.setColor（Color.BLACK）;
????????g.drawRect（0?0?width?-?1?height?-?1）;
????????//?取隨機(jī)產(chǎn)生的認(rèn)證碼
????????String?strEnsure?=?““;
????????for?（int?i?=?0;?i?????????????strEnsure?+=?mapTable[（int）?（mapTable.length?*?Math.random（））];
????????}
????????//?將認(rèn)證碼顯示到圖像中，如果要生成更多位的驗(yàn)證碼，增加drawString語(yǔ)句
????????g.setColor（Color.BLACK）;
????????g.setFont（new?Font（“Atlantic?Inline“?Font.PLAIN?18））;
????????String?str?=?strEnsure.substring（0?1）;
????????g.drawString（str?8?17）;
????????str?=?strEnsure.substring（1?2）;
????????g.drawString（str?20?15）;
????????str?=?strEnsure.substring（2?3）;
????????g.drawString（str?35?18）;
????????str?=?strEnsure.substring（3?4）;
????????g.drawString（str?45?15）;
????????//?隨機(jī)產(chǎn)生10個(gè)干擾點(diǎn)
????????Random?rand?=?new?Random（）;
????????for?（int?i?=?0;?i?????????????int?x?=?rand.nextInt（width）;
????????????int?y?=?rand.nextInt（height）;
????????????g.drawOval（x?y?1?1）;
????????}
????????//?釋放圖形上下文
????????g.dispose（）;
????????try?{
????????????//?輸出圖像到頁(yè)面
????????????ImageIO.write（image?“JPEG“?os）;
????????}?catch?（IOException?e）?{
????????????System.out.println（e.getMessage（））;
????????????return?““;
????????}
????????return?strEnsure;
????}
}

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2019-11-30?17:16??new3\
?????文件?????????529??2019-11-30?17:16??new3\.classpath
?????目錄???????????0??2019-11-30?17:16??new3\.myeclipse\
?????文件?????????285??2019-11-30?17:16??new3\.mymetadata
?????文件????????1747??2019-11-30?17:17??new3\.project
?????目錄???????????0??2019-11-30?17:17??new3\.settings\
?????文件?????????500??2019-11-30?17:16??new3\.settings\.jsdtscope
?????文件?????????589??2019-12-01?13:56??new3\.settings\org.eclipse.core.resources.prefs
?????文件?????????395??2019-11-30?17:16??new3\.settings\org.eclipse.jdt.core.prefs
?????文件?????????450??2019-11-30?17:16??new3\.settings\org.eclipse.wst.common.component
?????文件?????????252??2019-11-30?17:16??new3\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2019-11-30?17:16??new3\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2019-11-30?17:16??new3\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2019-12-04?20:26??new3\src\
?????目錄???????????0??2019-12-04?22:23??new3\src\Bean\
?????文件????????2494??2019-12-04?22:23??new3\src\Bean\Image.java
?????文件?????????701??2019-12-04?20:39??new3\src\Bean\sql.java
?????目錄???????????0??2019-12-04?22:43??new3\WebRoot\
?????文件????????1358??2019-12-04?19:57??new3\WebRoot\buyinfo.jsp
?????文件????????3299??2019-12-05?09:36??new3\WebRoot\BuyTickets.jsp
?????文件????????2967??2019-12-05?09:37??new3\WebRoot\BuyTicketsThen.jsp
?????文件????????2594??2019-12-05?09:39??new3\WebRoot\changePassword.jsp
?????文件????????2306??2019-12-05?09:41??new3\WebRoot\ChangeSave.jsp
?????文件?????????286??2019-12-04?22:27??new3\WebRoot\chenk.jsp
?????文件????????2459??2019-12-04?22:41??new3\WebRoot\doLogin.jsp
?????文件????????3447??2019-12-05?09:46??new3\WebRoot\gaiqian.jsp
?????文件????????3059??2019-12-05?09:56??new3\WebRoot\gaiqiansuccess.jsp
?????目錄???????????0??2019-12-04?21:22??new3\WebRoot\image\
?????文件?????????329??2019-12-04?22:25??new3\WebRoot\image.jsp
?????文件??????587699??2019-12-04?19:48??new3\WebRoot\image\1.jpg
?????文件?????????834??2019-11-30?17:16??new3\WebRoot\index.jsp
............此處省略21個(gè)文件信息