package?com;

import?javax.imageio.ImageIO;
import?javax.servlet.http.Cookie;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?java.awt.*;
import?java.awt.image.BufferedImage;
import?java.io.ByteArrayOutputStream;
import?java.util.Random;

/**
?*?@title:
?*?@Description:
?*?@Param:
?*?@Return:
?*?@Author:?xy
?*?@Date:?2017/10/13
?*?@Modified?By:
?*?@Why:
?*/
public?class?RandomValidateCode?{
????private?Random?random?=?new?Random（）;
????private?String?randString?=?“0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ“;//?隨機產生的字符串

????private?int?width?=?80;//?圖片寬
????private?int?height?=?26;//?圖片高
????private?int?lineSize?=?40;//?干擾線數量
????private?int?stringNum?=?4;//?隨機產生字符數量

????/*
?????*?獲得字體
?????*/
????private?Font?getFont（）?{
????????return?new?Font（“Fixedsys“?Font.CENTER_baseLINE?18）;
????}

????/*
?????*?獲得顏色
?????*/
????private?Color?getRandColor（int?fc?int?bc）?{
????????if?（fc?>?255）
????????????fc?=?255;
????????if?（bc?>?255）
????????????bc?=?255;
????????int?r?=?fc?+?random.nextInt（bc?-?fc?-?16）;
????????int?g?=?fc?+?random.nextInt（bc?-?fc?-?14）;
????????int?b?=?fc?+?random.nextInt（bc?-?fc?-?18）;
????????return?new?Color（r?g?b）;
????}

????/*
?????*?繪制字符串
?????*/
????private?String?drowString（Graphics?g?String?randomString?int?i）?{
????????g.setFont（getFont（））;
????????g.setColor（new?Color（random.nextInt（101）?random.nextInt（111）?random
????????????????.nextInt（121）））;
????????String?rand?=?String.valueOf（getRandomString（random.nextInt（randString
????????????????.length（））））;
????????randomString?+=?rand;
????????g.translate（random.nextInt（3）?random.nextInt（3））;
????????g.drawString（rand?13?*?i?16）;
????????return?randomString;
????}

????/*
?????*?繪制干擾線
?????*/
????private?void?drowLine（Graphics?g）?{
????????int?x?=?random.nextInt（width）;
????????int?y?=?random.nextInt（height）;
????????int?xl?=?random.nextInt（13）;
????????int?yl?=?random.nextInt（15）;
????????g.drawLine（x?y?x?+?xl?y?+?yl）;
????}

????/*
?????*?獲取隨機的字符
?????*/
????public?String?getRandomString（int?num）?{
????????return?String.valueOf（randString.charAt（num））;
????}


????/**
?????*?生成隨機圖片
?????*/
????public?void?getRandcode（HttpServletRequest?request?HttpServletResponse?response?String?key）?{

????????//?BufferedImage類是具有緩沖區的Image類Image類是用于描述圖像信息的類
????????BufferedImage?image?=?new?BufferedImage（width?heightBufferedImage.TYPE_INT_BGR）;
????????Graphics?g?=?image.getGraphics（）;//?產生Image對象的Graphics對象改對象可以在圖像上進行各種繪制操作
????????g.fillRect（0?0?width?height）;
????????g.setFont（new?Font（“Times?New?Roman“?Font.ROMAN_baseLINE?18））;
????????g.setColor（getRandColor（110?133））;
????????//?繪制干擾線
????????for?（int?i?=?0;?i?<=?lineSize;?i++）?{
????????????drowLine（g）;
????????}
????????//?繪制隨機字符
????????String?randomString?=?““;
????????for?（int?i?=?1;?i?<=?stringNum;?i++）?{
????????????randomString?=?drowString（g?randomSt

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

?????文件????????311??2017-10-10?09:31??projectTest0002\.idea\artifacts\projectTest0002_war.xml

?????文件???????4078??2017-10-27?16:39??projectTest0002\.idea\artifacts\projectTest0002_war_exploded.xml

?????文件???????1206??2017-10-17?17:07??projectTest0002\.idea\compiler.xml

?????文件?????????76??2017-10-10?09:30??projectTest0002\.idea\copyright\profiles_settings.xml

?????文件????????172??2017-10-10?09:37??projectTest0002\.idea\encodings.xml

?????文件????????241??2017-10-13?17:10??projectTest0002\.idea\inspectionProfiles\profiles_settings.xml

?????文件????????682??2017-10-13?17:10??projectTest0002\.idea\inspectionProfiles\Project_Default.xml

?????文件????????514??2017-10-10?09:52??projectTest0002\.idea\libraries\Maven__aopalliance_aopalliance_1_0.xml

?????文件????????440??2017-10-10?09:52??projectTest0002\.idea\libraries\Maven__asm_asm_3_3_1.xml

?????文件????????465??2017-10-10?09:52??projectTest0002\.idea\libraries\Maven__c3p0_c3p0_0_9_1_2.xml

?????文件????????462??2017-10-10?09:52??projectTest0002\.idea\libraries\Maven__cglib_cglib_2_2_2.xml

?????文件????????486??2017-10-10?16:38??projectTest0002\.idea\libraries\Maven__cn_o_fastjson_1_1_33.xml

?????文件????????465??2017-10-27?16:37??projectTest0002\.idea\libraries\Maven__cn_o_log4j_1_2_14.xml

?????文件????????486??2017-10-27?16:37??projectTest0002\.idea\libraries\Maven__cn_o_slf4j_api_1_6_1.xml

?????文件????????605??2017-10-10?15:31??projectTest0002\.idea\libraries\Maven__commons_fileupload_commons_fileupload_1_3_1.xml

?????文件????????503??2017-10-10?15:31??projectTest0002\.idea\libraries\Maven__commons_io_commons_io_2_2.xml

?????文件????????558??2017-10-10?09:37??projectTest0002\.idea\libraries\Maven__commons_logging_commons_logging_1_2.xml

?????文件????????175??2017-10-13?09:28??projectTest0002\.idea\libraries\Maven__com_captcha_botdetect_jsp20_4_0_beta3.xml

?????文件????????644??2017-10-10?16:20??projectTest0002\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_annotations_2_8_0.xml

?????文件????????518??2017-10-13?16:28??projectTest0002\.idea\libraries\Maven__com_itextpdf_itextpdf_5_5_10.xml

?????文件????????473??2017-10-10?09:52??projectTest0002\.idea\libraries\Maven__javaee_javaee_api_5.xml

?????文件????????462??2017-10-10?09:31??projectTest0002\.idea\libraries\Maven__junit_junit_3_8_1.xml

?????文件????????469??2017-10-27?16:39??projectTest0002\.idea\libraries\Maven__log4j_log4j_1_2_16.xml

?????文件????????567??2017-10-11?14:06??projectTest0002\.idea\libraries\Maven__mysql_mysql_connector_java_5_1_6.xml

?????文件????????542??2017-10-10?09:52??projectTest0002\.idea\libraries\Maven__org_aspectj_aspectjweaver_1_8_6.xml

?????文件????????550??2017-10-10?09:52??projectTest0002\.idea\libraries\Maven__org_javassist_javassist_3_17_1_GA.xml

?????文件????????500??2017-10-10?09:52??projectTest0002\.idea\libraries\Maven__org_mybatis_mybatis_3_2_2.xml

?????文件????????549??2017-10-10?09:37??projectTest0002\.idea\libraries\Maven__org_mybatis_mybatis_spring_1_3_0.xml

?????文件????????506??2017-10-27?16:39??projectTest0002\.idea\libraries\Maven__org_slf4j_slf4j_api_1_6_1.xml

?????文件????????534??2017-10-27?16:39??projectTest0002\.idea\libraries\Maven__org_slf4j_slf4j_log4j12_1_6_1.xml

............此處省略779個文件信息