diff --git a/VerificationCode.java b/VerificationCode.java deleted file mode 100644 index de36877..0000000 --- a/VerificationCode.java +++ /dev/null @@ -1,231 +0,0 @@ -package com.zly.xsp.image; - -import java.awt.Color; -import java.awt.Font; -import java.awt.Graphics; -import java.awt.Graphics2D; -import java.awt.image.BufferedImage; -import java.io.IOException; -import java.io.OutputStream; -import java.util.Random; - -import javax.imageio.ImageIO; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; -import javax.servlet.http.HttpSession; - -public class CreateImageCode { - // 图片的宽度。 - private int width = 160; - // 图片的高度。 - private int height = 40; - // 验证码字符个数 - private int codeCount = 4; - // 验证码干扰线数 - private int lineCount = 20; - // 验证码 - private String code = null; - // 验证码图片Buffer - private BufferedImage buffImg = null; - Random random = new Random(); - - public CreateImageCode() { - creatImage(); - } - - public CreateImageCode(int width, int height) { - this.width = width; - this.height = height; - creatImage(); - } - - public CreateImageCode(int width, int height, int codeCount) { - this.width = width; - this.height = height; - this.codeCount = codeCount; - creatImage(); - } - - public CreateImageCode(int width, int height, int codeCount, int lineCount) { - this.width = width; - this.height = height; - this.codeCount = codeCount; - this.lineCount = lineCount; - creatImage(); - } - - // 生成图片 - private void creatImage() { - int fontWidth = width / codeCount;// 字体的宽度 - int fontHeight = height - 5;// 字体的高度 - int codeY = height - 8; - - // 图像buffer - buffImg = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); - Graphics g = buffImg.getGraphics(); - //Graphics2D g = buffImg.createGraphics(); - // 设置背景色 - g.setColor(getRandColor(200, 250)); - g.fillRect(0, 0, width, height); - - - - // 设置字体 - //Font font1 = getFont(fontHeight); - Font font = new Font("Fixedsys", Font.BOLD, fontHeight); - g.setFont(font); - - // 设置干扰线 - for (int i = 0; i < lineCount; i++) { - int xs = random.nextInt(width); - int ys = random.nextInt(height); - int xe = xs + random.nextInt(width); - int ye = ys + random.nextInt(height); - g.setColor(getRandColor(1, 255)); - g.drawLine(xs, ys, xe, ye); - } - - // 添加噪点 - float yawpRate = 0.01f;// 噪声率 - int area = (int) (yawpRate * width * height); - for (int i = 0; i < area; i++) { - int x = random.nextInt(width); - int y = random.nextInt(height); - - buffImg.setRGB(x, y, random.nextInt(255)); - } - - - String str1 = randomStr(codeCount);// 得到随机字符 - this.code = str1; - for (int i = 0; i < codeCount; i++) { - String strRand = str1.substring(i, i + 1); - g.setColor(getRandColor(1, 255)); - // g.drawString(a,x,y); - // a为要画出来的东西，x和y表示要画的东西最左侧字符的基线位于此图形上下文坐标系的 (x, y) 位置处 - - g.drawString(strRand, i*fontWidth+3, codeY); - } - - - } - - // 得到随机字符 - private String randomStr(int n) { - String str1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890"; - String str2 = ""; - int len = str1.length() - 1; - double r; - for (int i = 0; i < n; i++) { - r = (Math.random()) * len; - str2 = str2 + str1.charAt((int) r); - } - return str2; - } - - // 得到随机颜色 - private Color getRandColor(int fc, int bc) {// 给定范围获得随机颜色 - if (fc > 255) - fc = 255; - if (bc > 255) - bc = 255; - int r = fc + random.nextInt(bc - fc); - int g = fc + random.nextInt(bc - fc); - int b = fc + random.nextInt(bc - fc); - return new Color(r, g, b); - } - - /** - * 产生随机字体 - */ - private Font getFont(int size) { - Random random = new Random(); - Font font[] = new Font[5]; - font[0] = new Font("Ravie", Font.PLAIN, size); - font[1] = new Font("Antique Olive Compact", Font.PLAIN, size); - font[2] = new Font("Fixedsys", Font.PLAIN, size); - font[3] = new Font("Wide Latin", Font.PLAIN, size); - font[4] = new Font("Gill Sans Ultra Bold", Font.PLAIN, size); - return font[random.nextInt(5)]; - } - - // 扭曲方法 - private void shear(Graphics g, int w1, int h1, Color color) { - shearX(g, w1, h1, color); - shearY(g, w1, h1, color); - } - - private void shearX(Graphics g, int w1, int h1, Color color) { - - int period = random.nextInt(2); - - boolean borderGap = true; - int frames = 1; - int phase = random.nextInt(2); - - for (int i = 0; i < h1; i++) { - double d = (double) (period >> 1) - * Math.sin((double) i / (double) period - + (6.2831853071795862D * (double) phase) - / (double) frames); - g.copyArea(0, i, w1, 1, (int) d, 0); - if (borderGap) { - g.setColor(color); - g.drawLine((int) d, i, 0, i); - g.drawLine((int) d + w1, i, w1, i); - } - } - - } - - private void shearY(Graphics g, int w1, int h1, Color color) { - - int period = random.nextInt(40) + 10; // 50; - - boolean borderGap = true; - int frames = 20; - int phase = 7; - for (int i = 0; i < w1; i++) { - double d = (double) (period >> 1) - * Math.sin((double) i / (double) period - + (6.2831853071795862D * (double) phase) - / (double) frames); - g.copyArea(i, 0, 1, h1, 0, (int) d); - if (borderGap) { - g.setColor(color); - g.drawLine(i, (int) d, i, 0); - g.drawLine(i, (int) d + h1, i, h1); - } - - } - - } - - - - public void write(OutputStream sos) throws IOException { - ImageIO.write(buffImg, "png", sos); - sos.close(); - } - - public BufferedImage getBuffImg() { - return buffImg; - } - - - //使用方法 - /*public void getCode3(HttpServletRequest req, HttpServletResponse response,HttpSession session) throws IOException{ - // 设置响应的类型格式为图片格式 - response.setContentType("image/jpeg"); - //禁止图像缓存。 - response.setHeader("Pragma", "no-cache"); - response.setHeader("Cache-Control", "no-cache"); - response.setDateHeader("Expires", 0); - - - CreateImageCode vCode = new CreateImageCode(100,30,5,10); - session.setAttribute("code", vCode.getCode()); - vCode.write(response.getOutputStream()); - }*/ - -} \ No newline at end of file