package?com.itany.zshop.backend.controller;

import?org.springframework.stereotype.Controller;
import?org.springframework.web.bind.annotation.RequestMapping;
import?org.springframework.web.bind.annotation.ResponseBody;

import?javax.imageio.ImageIO;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?javax.servlet.http.HttpSession;
import?java.awt.*;
import?java.awt.image.BufferedImage;
import?java.io.IOException;
import?java.util.HashMap;
import?java.util.Map;
import?java.util.Random;

/**
?*?Author：湯小洋
?*?Date：2018-04-28?15:18
?*?Description：<描述>
?*/
@Controller
@RequestMapping（“/backend/code“）
public?class?CodeController?{

????@RequestMapping（“/image“）
????public?void?image（HttpServletRequest?request?HttpServletResponse?response）?throws?IOException?{
????????request.setCharacterEncoding（“utf-8“）;

????????BufferedImage?bfi?=?new?BufferedImage（80?25?BufferedImage.TYPE_INT_RGB）;
????????Graphics?g?=?bfi.getGraphics（）;
????????g.fillRect（0?0?80?25）;

????????//驗證碼字符范圍
????????char[]?ch?=?“ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789“.toCharArray（）;
????????Random?r?=?new?Random（）;
????????int?index;
????????StringBuffer?sb?=?new?StringBuffer（）;?//保存字符串
????????for?（int?i?=?0;?i?????????????index?=?r.nextInt（ch.length）;
????????????g.setColor（new?Color（r.nextInt（255）?r.nextInt（255）?r.nextInt（255）））;
????????????Font?font?=?new?Font（“宋體“?30?20）;
????????????g.setFont（font）;
????????????g.drawString（ch[index]?+?““?（i?*?20）?+?2?23）;
????????????sb.append（ch[index]）;
????????}

????????//?添加噪點
????????int?area?=?（int）?（0.02?*?60?*?25）;
????????for?（int?i?=?0;?i?????????????int?x?=?（int）?（Math.random（）?*?80）;
????????????int?y?=?（int）?（Math.random（）?*?25）;
????????????bfi.setRGB（x?y?（int）?（Math.random（）?*?255））;
????????}

????????//設置驗證碼中的干擾線
????????for?（int?i?=?0;?i?????????????//隨機獲取干擾線的起點和終點
????????????int?xstart?=?（int）?（Math.random（）?*?80）;
????????????int?ystart?=?（int）?（Math.random（）?*?25）;
????????????int?xend?=?（int）?（Math.random（）?*?80）;
????????????int?yend?=?（int）?（Math.random（）?*?25）;
????????????g.setColor（interLine（1?255））;
????????????g.drawLine（xstart?ystart?xend?yend）;
????????}
????????HttpSession?session?=?request.getSession（）;??//保存到session
????????session.setAttribute（“verificationCode“?sb.toString（））;
????????ImageIO.write（bfi?“JPG“?response.getOutputStream（））;??//寫到輸出流
????}

????private?static?Color?interLine（int?Low?int?High）?{
????????if?（Low?>?255）
????????????Low?=?255;
????????if?（High?>?255）
????????????High?=?255;
????????if?（Low?????????????Low?=?0;
????????if?（High?????????????High?=?0;
????????int?interval?=?High?-?Low;
????????int?r?=?Low?+?（int）?（Math.random（）?*?interval）;
????????int?g?=?Low?+?（int）?（Math.random（）?*?interval）;
????????int?b?=?Low?+?（int）?（Math.random（）?*?interval）;
????????retu

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

?????文件??????????5??2018-04-26?09:24??zshop\zshop_code\zshop\.idea\.name

?????文件????????361??2018-04-26?09:42??zshop\zshop_code\zshop\.idea\artifacts\zshop_backend_web_war.xml

?????文件???????4596??2018-05-15?17:19??zshop\zshop_code\zshop\.idea\artifacts\zshop_backend_web_war_exploded.xml

?????文件????????353??2018-04-26?09:43??zshop\zshop_code\zshop\.idea\artifacts\zshop_front_web_war.xml

?????文件???????4582??2018-05-15?17:19??zshop\zshop_code\zshop\.idea\artifacts\zshop_front_web_war_exploded.xml

?????文件???????1703??2018-04-26?09:38??zshop\zshop_code\zshop\.idea\compiler.xml

?????文件?????????76??2018-04-26?09:24??zshop\zshop_code\zshop\.idea\copyright\profiles_settings.xml

?????文件???????7356??2018-04-28?09:27??zshop\zshop_code\zshop\.idea\dataSources.ids

?????文件????????422??2018-04-26?11:42??zshop\zshop_code\zshop\.idea\dataSources.local.xml

?????文件????????981??2018-04-26?11:42??zshop\zshop_code\zshop\.idea\dataSources.xml

?????文件???????2162??2018-05-15?16:25??zshop\zshop_code\zshop\.idea\encodings.xml

?????文件????????594??2018-05-09?14:53??zshop\zshop_code\zshop\.idea\libraries\Maven__commons_beanutils_commons_beanutils_1_9_3.xml

?????文件????????536??2018-05-15?16:25??zshop\zshop_code\zshop\.idea\libraries\Maven__commons_codec_commons_codec_1_9.xml

?????文件????????616??2018-05-09?14:53??zshop\zshop_code\zshop\.idea\libraries\Maven__commons_collections_commons_collections_3_2_2.xml

?????文件????????605??2018-04-26?09:55??zshop\zshop_code\zshop\.idea\libraries\Maven__commons_fileupload_commons_fileupload_1_3_1.xml

?????文件????????503??2018-04-26?09:55??zshop\zshop_code\zshop\.idea\libraries\Maven__commons_io_commons_io_2_2.xml

?????文件????????558??2018-04-26?09:54??zshop\zshop_code\zshop\.idea\libraries\Maven__commons_logging_commons_logging_1_2.xml

?????文件????????514??2018-05-09?15:06??zshop\zshop_code\zshop\.idea\libraries\Maven__commons_net_commons_net_3_1.xml

?????文件????????486??2018-04-26?09:53??zshop\zshop_code\zshop\.idea\libraries\Maven__com_alibaba_druid_1_1_6.xml

?????文件????????514??2018-04-26?09:55??zshop\zshop_code\zshop\.idea\libraries\Maven__com_alibaba_fastjson_1_2_47.xml

?????文件????????547??2018-04-26?09:54??zshop\zshop_code\zshop\.idea\libraries\Maven__com_github_jsqlparser_jsqlparser_1_0.xml

?????文件????????561??2018-04-26?09:54??zshop\zshop_code\zshop\.idea\libraries\Maven__com_github_pagehelper_pagehelper_5_1_2.xml

?????文件????????578??2018-04-26?09:57??zshop\zshop_code\zshop\.idea\libraries\Maven__javax_servlet_javax_servlet_api_3_1_0.xml

?????文件????????510??2018-04-26?09:57??zshop\zshop_code\zshop\.idea\libraries\Maven__javax_servlet_jsp_jsp_api_2_2.xml

?????文件????????437??2018-05-09?14:34??zshop\zshop_code\zshop\.idea\libraries\Maven__jstl_jstl_1_2.xml

?????文件????????455??2018-04-26?09:32??zshop\zshop_code\zshop\.idea\libraries\Maven__junit_junit_4_11.xml

?????文件????????574??2018-04-26?09:53??zshop\zshop_code\zshop\.idea\libraries\Maven__mysql_mysql_connector_java_5_1_38.xml

?????文件????????570??2018-05-15?17:19??zshop\zshop_code\zshop\.idea\libraries\Maven__org_apache_commons_commons_pool2_2_4_2.xml

?????文件????????577??2018-05-15?16:25??zshop\zshop_code\zshop\.idea\libraries\Maven__org_apache_httpcomponents_httpclient_4_5_2.xml

?????文件????????563??2018-05-15?16:25??zshop\zshop_code\zshop\.idea\libraries\Maven__org_apache_httpcomponents_httpcore_4_4_4.xml

............此處省略1177個文件信息