package com.bonc.security.login.action;import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Random;import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;import com.bonc.javax.struts.BONCExAction;
import com.bonc.javax.struts.BONCModel;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;/*** * Title:专题分析>>业务异动监控>>3G业务>>渠道监控>>Iphone售点销量 Description:Iphone售点销量 Copyright:* Copyright (c) 2013 Company: 北京东方国信公司* * @author pcl* @version 1.0*/
public class GetVerifycodeAction extends BONCExAction {public static final char[] chars = { '2', '3', '4', '5', '6', '7', '8','9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'L', 'M','N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' };public static Random random = new Random();/*** 产生4位随机数0,o,1,i相似字符除外* * @return*/public static String getRandom() {StringBuffer buffer = new StringBuffer();for (int i = 0; i < 4; i++) {buffer.append(chars[random.nextInt(chars.length)]);}return buffer.toString().toUpperCase();}/*** 产生随机颜色* * @return*/public static Color getRandomColor() {Color color = new Color(random.nextInt(255), random.nextInt(255),random.nextInt(255));return color;}/*** 随机产生颜色的反色* * @param c* @return*/public static Color getReverseColor(Color c) {Color color = new Color(255 - c.getRed(), 255 - c.getGreen(),255 - c.getBlue());return color;}@Overridepublic BONCModel control(ActionMapping arg0, ActionForm arg1,HttpServletRequest arg2, HttpServletResponse arg3, BONCExAction arg4) {// TODO Auto-generated method stubreturn null;}@Overridepublic ActionForward forward(ActionMapping arg0, ActionForm arg1,HttpServletRequest arg2, HttpServletResponse arg3, Object arg4) {String param=arg2.getParameter("isVerify");if("1".equals(param)){String verifycode=arg2.getParameter("verifycode") == null ? "" : arg2.getParameter("verifycode").trim().toUpperCase();String randomString =(String) arg2.getSession().getAttribute("randomString");arg3.setContentType("application/json;charset=UTF-8");if(verifycode.equals(randomString)){try {arg3.getWriter().write("1");} catch (IOException e) {e.printStackTrace();}}else{try {arg3.getWriter().write("0");} catch (IOException e) {e.printStackTrace();}}return null;}else{// TODO Auto-generated method stub// 设置输出类型为图片arg3.setContentType("image/jpeg");String randomString = getRandom();arg2.getSession(true).setAttribute("randomString", randomString);int width = 60, height = 20;Color randomColor = getRandomColor();Color reverseColor = getReverseColor(randomColor);// 创建一个颜色图片BufferedImage bi = new BufferedImage(width, height,BufferedImage.TYPE_INT_RGB);// 获取绘图对象Graphics2D g = bi.createGraphics();// 设置颜色g.setColor(randomColor);// 绘制背景g.fillRect(0, 0, width, height);// 设置反射色g.setColor(reverseColor);// 设置字体g.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 16));// 绘制字符g.drawString(randomString, 5, 15);// 绘制噪音点 最多100个for (int i = 0, n = random.nextInt(40); i < n; i++) {g.drawRect(random.nextInt(width), random.nextInt(height), 1, 1);}try {ServletOutputStream out = arg3.getOutputStream();// 转成JPEG格式JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);// 对图片编码encoder.encode(bi);// 输出到客户端out.flush();out.close();} catch (Exception e) {e.printStackTrace();}return null;}}
}