package?com.tosun.controller;

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

import?javax.imageio.ImageIO;
import?javax.servlet.ServletOutputStream;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?javax.servlet.http.HttpSession;

import?org.springframework.stereotype.Controller;
import?org.springframework.web.bind.annotation.RequestMapping;
/**
?*?驗證碼生成
?*/
@Controller
public?class?ImgCodeController?{

	private?static?int?WIDTH?=?65;//?設置圖片的寬度

	private?static?int?HEIGHT?=?22;//?設置圖片的高度

	@RequestMapping（“/imgcode“）
	public?void?getimgcode（HttpServletRequest?request
			HttpServletResponse?response）?throws?IOException?{

		HttpSession?session?=?request.getSession（）;
		session.removeAttribute（“code2“）;
		response.setContentType（“image/jpeg“）;
		ServletOutputStream?sos?=?response.getOutputStream（）;

		response.setHeader（“Pragma“?“No-cache“）;
		response.setHeader（“Cache-Control“?“no-cache“）;
		response.setDateHeader（“Expires“?0）;

		BufferedImage?image?=?new?BufferedImage（WIDTH?HEIGHT
				BufferedImage.TYPE_INT_RGB）;
		Graphics?g?=?image.getGraphics（）;

		char[]?rands?=?generateCheckCode（）;
		drawBackground（g）;
		drawRands（g?rands）;
		g.dispose（）;

		ByteArrayOutputStream?bos?=?new?ByteArrayOutputStream（）;
		ImageIO.write（image?“JPEG“?bos）;
		byte[]?buf?=?bos.toByteArray（）;
		response.setContentLength（buf.length）;
		sos.write（buf）;
		bos.close（）;
		sos.close（）;
		session.setAttribute（“code“?new?String（rands））;
	}

	private?void?drawBackground（Graphics?g）?{
		g.setColor（new?Color（0xDCDCDC））;
		g.fillRect（0?0?WIDTH?HEIGHT）;
		for?（int?i?=?0;?i?			int?x?=?（int）?（Math.random（）?*?WIDTH）;
			int?y?=?（int）?（Math.random（）?*?HEIGHT）;
			int?red?=?（int）?（Math.random（）?*?255）;
			int?green?=?（int）?（Math.random（）?*?255）;
			int?blue?=?（int）?（Math.random（）?*?255）;
			g.setColor（new?Color（red?green?blue））;
			g.drawOval（x?y?1?0）;
		}
	}

	private?void?drawRands（Graphics?g?char[]?rands）?{
		//?g.setColor（Color.BLUE）;
		Random?random?=?new?Random（）;
		int?red?=?random.nextInt（110）;
		int?green?=?random.nextInt（50）;
		int?blue?=?random.nextInt（50）;
		g.setColor（new?Color（red?green?blue））;
		g.setFont（new?Font（null?Font.ITALIC?|?Font.BOLD?18））;
		g.drawString（““?+?rands[0]?1?17）;
		g.drawString（““?+?rands[1]?16?15）;
		g.drawString（““?+?rands[2]?31?18）;
		g.drawString（““?+?rands[3]?46?16）;
	}

	private?char[]?generateCheckCode（）?{
		String?chars?=?“123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjkmnpqrstuvwxyz“;//0、O、o、I、i、l?不易辨識
		char[]?rands?=?new?char[4];
		for?（int?i?=?0;?i?			int?rand?=?（int）?（Math.random（）?*?56）;//62
			rands[i]?=?chars.charAt（rand）;
		}
		return?rands;
	}

}

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

?????文件???????1046??2017-06-20?08:45??程序源碼\后臺\Order\.classpath

?????文件????????578??2017-06-20?08:45??程序源碼\后臺\Order\.myhibernatedata

?????文件????????296??2017-06-20?08:45??程序源碼\后臺\Order\.mymetadata

?????文件???????2126??2017-06-20?08:45??程序源碼\后臺\Order\.project

?????文件????????508??2017-06-20?08:45??程序源碼\后臺\Order\.settings\.jsdtscope

?????文件????????227??2017-06-20?08:45??程序源碼\后臺\Order\.settings\com.genuitec.eclipse.core.prefs

?????文件???????1034??2017-06-20?08:45??程序源碼\后臺\Order\.settings\com.genuitec.eclipse.j2eedt.core.prefs

?????文件????????263??2017-06-20?08:45??程序源碼\后臺\Order\.settings\org.eclipse.core.resources.prefs

?????文件????????430??2017-06-20?08:45??程序源碼\后臺\Order\.settings\org.eclipse.jdt.core.prefs

?????文件?????????90??2017-06-20?08:45??程序源碼\后臺\Order\.settings\org.eclipse.m2e.core.prefs

?????文件????????566??2017-06-20?08:45??程序源碼\后臺\Order\.settings\org.eclipse.wst.common.component

?????文件????????252??2017-06-20?08:45??程序源碼\后臺\Order\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2017-06-20?08:45??程序源碼\后臺\Order\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2017-06-20?08:45??程序源碼\后臺\Order\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件??????15205??2017-06-20?08:45??程序源碼\后臺\Order\pom.xml

?????文件???????3019??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\ImgCodeController.java

?????文件???????2383??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\LoginController.java

?????文件???????5073??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\MenuController.java

?????文件???????2310??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\MenutblController.java

?????文件???????1697??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\PasswordController.java

?????文件???????6489??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\RoleController.java

?????文件???????3241??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\RoleMenuController.java

?????文件???????2171??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\TabletblController.java

?????文件???????2720??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\controller\UserController.java

?????文件????????676??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\dao\MenutblDAO.java

?????文件???????3449??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\dao\MenutblDAOImpl.java

?????文件????????580??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\dao\TabletblDAO.java

?????文件???????3480??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\dao\TabletblDAOImpl.java

?????文件???????1607??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\dao\TbMenuDAO.java

?????文件???????5774??2017-06-20?08:45??程序源碼\后臺\Order\src\main\java\com\tosun\dao\TbMenuDAOImpl.java

............此處省略1509個文件信息