package?com.bdtravel.controller;

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

import?javax.imageio.ImageIO;
import?javax.servlet.ServletOutputStream;
import?javax.servlet.http.HttpServletResponse;
import?javax.servlet.http.HttpSession;
import?java.awt.*;
import?java.awt.font.FontRenderContext;
import?java.awt.geom.Rectangle2D;
import?java.awt.image.BufferedImage;
import?java.io.ByteArrayOutputStream;
import?java.io.IOException;
import?java.util.Random;

@Controller
public?class?CheckImageController?{
????/**
?????*?獲取驗證碼
?????*
?????*?@param?response
?????*?@param?session
?????*/
????@RequestMapping（“/getImage“）
????public?void?generate（HttpServletResponse?response?HttpSession?session）?{
????????ByteArrayOutputStream?output?=?new?ByteArrayOutputStream（）;
????????String?verifyCodeValue?=?drawImg（output）;

????????session.setAttribute（“verifyCodeValue“?verifyCodeValue）;

????????try?{
????????????ServletOutputStream?out?=?response.getOutputStream（）;
????????????output.writeTo（out）;
????????}?catch?（IOException?e）?{
????????????e.printStackTrace（）;
????????}
????}

????/**
?????*?繪畫驗證碼
?????*
?????*?@param?output
?????*?@return
?????*/
????private?String?drawImg（ByteArrayOutputStream?output）?{
????????String?code?=?““;
????????//?隨機產生4個字符
????????for?（int?i?=?0;?i?????????????code?+=?randomChar（）;
????????}
????????int?width?=?70;
????????int?height?=?25;
????????BufferedImage?bi?=?new?BufferedImage（width?height
????????????????BufferedImage.TYPE_3BYTE_BGR）;
????????Font?font?=?new?Font（“Times?New?Roman“?Font.PLAIN?20）;
????????//?調用Graphics2D繪畫驗證碼
????????Graphics2D?g?=?bi.createGraphics（）;
????????g.setFont（font）;
????????Color?color?=?new?Color（66?2?82）;
????????g.setColor（color）;
????????g.setBackground（new?Color（226?226?240））;
????????g.clearRect（0?0?width?height）;
????????FontRenderContext?context?=?g.getFontRenderContext（）;
????????Rectangle2D?bounds?=?font.getStringBounds（code?context）;
????????double?x?=?（width?-?bounds.getWidth（））?/?2;
????????double?y?=?（height?-?bounds.getHeight（））?/?2;
????????double?ascent?=?bounds.getY（）;
????????double?baseY?=?y?-?ascent;
????????g.drawString（code?（int）?x?（int）?baseY）;
????????//繪制干擾線
????????Random?random?=?new?Random（）;//?生成隨機數
????????g.setColor（getRandColor（160?200））;
????????int?x1;
????????int?x2;
????????int?y1;
????????int?y2;
????????for?（int?i?=?0;?i?????????????x1?=?random.nextInt（width）;
????????????x2?=?random.nextInt（12）;
????????????y1?=?random.nextInt（height）;
????????????y2?=?random.nextInt（12）;
????????????g.drawLine（x1?y1?x1?+?x2?x2?+?y2）;
????????}
????????g.dispose（）;
????????try?{
????????????ImageIO.write（bi?“jpg“?output）;
????????}?catch?（IOException?e）?{
????????????e.printStackTrace（）;
????????}
????????return?code;
????}

????private?Color?getRandColor（int?fc?int?bc）?{
????????//?取其隨機顏色
????????Random?random?=?new?Random（）;
????????if?（fc?>?255）?{
??????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\
?????文件??????????30??2018-06-11?14:24??bdtravel-master\.gitignore
?????文件?????????918??2018-06-11?14:24??bdtravel-master\README.md
?????文件????????1802??2018-06-11?14:24??bdtravel-master\bdtravel.sql
?????文件????????6863??2018-06-11?14:24??bdtravel-master\pom.xml
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\src\
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\src\main\
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\src\main\java\
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\src\main\java\com\
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\
?????文件????????3584??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\CheckImageController.java
?????文件????????3385??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\FoodController.java
?????文件????????1986??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\IndexController.java
?????文件????????2855??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\ManagerController.java
?????文件????????9124??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\OrderController.java
?????文件????????4673??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\ScenicController.java
?????文件????????2444??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\TicketController.java
?????文件????????8045??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\controller\UserController.java
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\dao\
?????文件?????????495??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\dao\FoodMapper.java
?????文件?????????319??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\dao\ManagerMapper.java
?????文件?????????481??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\dao\OrderMapper.java
?????文件?????????530??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\dao\ScenicMapper.java
?????文件?????????518??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\dao\TicketMapper.java
?????文件?????????552??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\dao\UserMapper.java
?????目錄???????????0??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\entity\
?????文件?????????729??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\entity\Manager.java
?????文件????????1917??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\entity\Order.java
?????文件????????1254??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\entity\QueryVo.java
?????文件????????1872??2018-06-11?14:24??bdtravel-master\src\main\java\com\bdtravel\entity\Scenic.java
............此處省略275個文件信息