From 15c4428b9c95bcb15d7efa29b061350d28e151b8 Mon Sep 17 00:00:00 2001 From: 疯狂的狮子li <15040126243@163.com> Date: 星期二, 24 十一月 2020 11:54:38 +0800 Subject: [PATCH] 修改 ruoyi CharsetKit.java bug --- ruoyi-common/src/main/java/com/ruoyi/common/utils/VerifyCodeUtils.java | 454 ++++++++++++++++++++++++++++---------------------------- 1 files changed, 227 insertions(+), 227 deletions(-) diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/VerifyCodeUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/VerifyCodeUtils.java index 0417181..5fdf3a9 100644 --- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/VerifyCodeUtils.java +++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/VerifyCodeUtils.java @@ -1,228 +1,228 @@ -package com.ruoyi.common.utils; - -import java.awt.Color; -import java.awt.Font; -import java.awt.Graphics; -import java.awt.Graphics2D; -import java.awt.RenderingHints; -import java.awt.geom.AffineTransform; -import java.awt.image.BufferedImage; -import java.io.IOException; -import java.io.OutputStream; -import java.security.SecureRandom; -import java.util.Arrays; -import java.util.Random; -import javax.imageio.ImageIO; - -/** - * 楠岃瘉鐮佸伐鍏风被 - * - * @author ruoyi - */ -public class VerifyCodeUtils -{ - // 浣跨敤鍒癆lgerian瀛椾綋锛岀郴缁熼噷娌℃湁鐨勮瘽闇�瑕佸畨瑁呭瓧浣擄紝瀛椾綋鍙樉绀哄ぇ鍐欙紝鍘绘帀浜�1,0,i,o鍑犱釜瀹规槗娣锋穯鐨勫瓧绗� - public static final String VERIFY_CODES = "123456789ABCDEFGHJKLMNPQRSTUVWXYZ"; - - private static Random random = new SecureRandom(); - - /** - * 浣跨敤绯荤粺榛樿瀛楃婧愮敓鎴愰獙璇佺爜 - * - * @param verifySize 楠岃瘉鐮侀暱搴� - * @return - */ - public static String generateVerifyCode(int verifySize) - { - return generateVerifyCode(verifySize, VERIFY_CODES); - } - - /** - * 浣跨敤鎸囧畾婧愮敓鎴愰獙璇佺爜 - * - * @param verifySize 楠岃瘉鐮侀暱搴� - * @param sources 楠岃瘉鐮佸瓧绗︽簮 - * @return - */ - public static String generateVerifyCode(int verifySize, String sources) - { - if (sources == null || sources.length() == 0) - { - sources = VERIFY_CODES; - } - int codesLen = sources.length(); - Random rand = new Random(System.currentTimeMillis()); - StringBuilder verifyCode = new StringBuilder(verifySize); - for (int i = 0; i < verifySize; i++) - { - verifyCode.append(sources.charAt(rand.nextInt(codesLen - 1))); - } - return verifyCode.toString(); - } - - /** - * 杈撳嚭鎸囧畾楠岃瘉鐮佸浘鐗囨祦 - * - * @param w - * @param h - * @param os - * @param code - * @throws IOException - */ - public static void outputImage(int w, int h, OutputStream os, String code) throws IOException - { - int verifySize = code.length(); - BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); - Random rand = new Random(); - Graphics2D g2 = image.createGraphics(); - g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); - Color[] colors = new Color[5]; - Color[] colorSpaces = new Color[] { Color.WHITE, Color.CYAN, Color.GRAY, Color.LIGHT_GRAY, Color.MAGENTA, - Color.ORANGE, Color.PINK, Color.YELLOW }; - float[] fractions = new float[colors.length]; - for (int i = 0; i < colors.length; i++) - { - colors[i] = colorSpaces[rand.nextInt(colorSpaces.length)]; - fractions[i] = rand.nextFloat(); - } - Arrays.sort(fractions); - - g2.setColor(Color.GRAY);// 璁剧疆杈规鑹� - g2.fillRect(0, 0, w, h); - - Color c = getRandColor(200, 250); - g2.setColor(c);// 璁剧疆鑳屾櫙鑹� - g2.fillRect(0, 2, w, h - 4); - - // 缁樺埗骞叉壈绾� - Random random = new Random(); - g2.setColor(getRandColor(160, 200));// 璁剧疆绾挎潯鐨勯鑹� - for (int i = 0; i < 20; i++) - { - int x = random.nextInt(w - 1); - int y = random.nextInt(h - 1); - int xl = random.nextInt(6) + 1; - int yl = random.nextInt(12) + 1; - g2.drawLine(x, y, x + xl + 40, y + yl + 20); - } - - // 娣诲姞鍣偣 - float yawpRate = 0.05f;// 鍣0鐜� - int area = (int) (yawpRate * w * h); - for (int i = 0; i < area; i++) - { - int x = random.nextInt(w); - int y = random.nextInt(h); - int rgb = getRandomIntColor(); - image.setRGB(x, y, rgb); - } - - shear(g2, w, h, c);// 浣垮浘鐗囨壄鏇� - - g2.setColor(getRandColor(100, 160)); - int fontSize = h - 4; - Font font = new Font("Algerian", Font.ITALIC, fontSize); - g2.setFont(font); - char[] chars = code.toCharArray(); - for (int i = 0; i < verifySize; i++) - { - AffineTransform affine = new AffineTransform(); - affine.setToRotation(Math.PI / 4 * rand.nextDouble() * (rand.nextBoolean() ? 1 : -1), - (w / verifySize) * i + fontSize / 2, h / 2); - g2.setTransform(affine); - g2.drawChars(chars, i, 1, ((w - 10) / verifySize) * i + 5, h / 2 + fontSize / 2 - 10); - } - - g2.dispose(); - ImageIO.write(image, "jpg", os); - } - - private static Color getRandColor(int fc, int bc) - { - 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); - } - - private static int getRandomIntColor() - { - int[] rgb = getRandomRgb(); - int color = 0; - for (int c : rgb) - { - color = color << 8; - color = color | c; - } - return color; - } - - private static int[] getRandomRgb() - { - int[] rgb = new int[3]; - for (int i = 0; i < 3; i++) - { - rgb[i] = random.nextInt(255); - } - return rgb; - } - - private static void shear(Graphics g, int w1, int h1, Color color) - { - shearX(g, w1, h1, color); - shearY(g, w1, h1, color); - } - - private static 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 static 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); - } - - } - } +package com.ruoyi.common.utils; + +import java.awt.Color; +import java.awt.Font; +import java.awt.Graphics; +import java.awt.Graphics2D; +import java.awt.RenderingHints; +import java.awt.geom.AffineTransform; +import java.awt.image.BufferedImage; +import java.io.IOException; +import java.io.OutputStream; +import java.security.SecureRandom; +import java.util.Arrays; +import java.util.Random; +import javax.imageio.ImageIO; + +/** + * 楠岃瘉鐮佸伐鍏风被 + * + * @author ruoyi + */ +public class VerifyCodeUtils +{ + // 浣跨敤鍒癆lgerian瀛椾綋锛岀郴缁熼噷娌℃湁鐨勮瘽闇�瑕佸畨瑁呭瓧浣擄紝瀛椾綋鍙樉绀哄ぇ鍐欙紝鍘绘帀浜�1,0,i,o鍑犱釜瀹规槗娣锋穯鐨勫瓧绗� + public static final String VERIFY_CODES = "123456789ABCDEFGHJKLMNPQRSTUVWXYZ"; + + private static Random random = new SecureRandom(); + + /** + * 浣跨敤绯荤粺榛樿瀛楃婧愮敓鎴愰獙璇佺爜 + * + * @param verifySize 楠岃瘉鐮侀暱搴� + * @return + */ + public static String generateVerifyCode(int verifySize) + { + return generateVerifyCode(verifySize, VERIFY_CODES); + } + + /** + * 浣跨敤鎸囧畾婧愮敓鎴愰獙璇佺爜 + * + * @param verifySize 楠岃瘉鐮侀暱搴� + * @param sources 楠岃瘉鐮佸瓧绗︽簮 + * @return + */ + public static String generateVerifyCode(int verifySize, String sources) + { + if (sources == null || sources.length() == 0) + { + sources = VERIFY_CODES; + } + int codesLen = sources.length(); + Random rand = new Random(System.currentTimeMillis()); + StringBuilder verifyCode = new StringBuilder(verifySize); + for (int i = 0; i < verifySize; i++) + { + verifyCode.append(sources.charAt(rand.nextInt(codesLen - 1))); + } + return verifyCode.toString(); + } + + /** + * 杈撳嚭鎸囧畾楠岃瘉鐮佸浘鐗囨祦 + * + * @param w + * @param h + * @param os + * @param code + * @throws IOException + */ + public static void outputImage(int w, int h, OutputStream os, String code) throws IOException + { + int verifySize = code.length(); + BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); + Random rand = new Random(); + Graphics2D g2 = image.createGraphics(); + g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); + Color[] colors = new Color[5]; + Color[] colorSpaces = new Color[] { Color.WHITE, Color.CYAN, Color.GRAY, Color.LIGHT_GRAY, Color.MAGENTA, + Color.ORANGE, Color.PINK, Color.YELLOW }; + float[] fractions = new float[colors.length]; + for (int i = 0; i < colors.length; i++) + { + colors[i] = colorSpaces[rand.nextInt(colorSpaces.length)]; + fractions[i] = rand.nextFloat(); + } + Arrays.sort(fractions); + + g2.setColor(Color.GRAY);// 璁剧疆杈规鑹� + g2.fillRect(0, 0, w, h); + + Color c = getRandColor(200, 250); + g2.setColor(c);// 璁剧疆鑳屾櫙鑹� + g2.fillRect(0, 2, w, h - 4); + + // 缁樺埗骞叉壈绾� + Random random = new Random(); + g2.setColor(getRandColor(160, 200));// 璁剧疆绾挎潯鐨勯鑹� + for (int i = 0; i < 20; i++) + { + int x = random.nextInt(w - 1); + int y = random.nextInt(h - 1); + int xl = random.nextInt(6) + 1; + int yl = random.nextInt(12) + 1; + g2.drawLine(x, y, x + xl + 40, y + yl + 20); + } + + // 娣诲姞鍣偣 + float yawpRate = 0.05f;// 鍣0鐜� + int area = (int) (yawpRate * w * h); + for (int i = 0; i < area; i++) + { + int x = random.nextInt(w); + int y = random.nextInt(h); + int rgb = getRandomIntColor(); + image.setRGB(x, y, rgb); + } + + shear(g2, w, h, c);// 浣垮浘鐗囨壄鏇� + + g2.setColor(getRandColor(100, 160)); + int fontSize = h - 4; + Font font = new Font("Algerian", Font.ITALIC, fontSize); + g2.setFont(font); + char[] chars = code.toCharArray(); + for (int i = 0; i < verifySize; i++) + { + AffineTransform affine = new AffineTransform(); + affine.setToRotation(Math.PI / 4 * rand.nextDouble() * (rand.nextBoolean() ? 1 : -1), + (w / verifySize) * i + fontSize / 2, h / 2); + g2.setTransform(affine); + g2.drawChars(chars, i, 1, ((w - 10) / verifySize) * i + 5, h / 2 + fontSize / 2 - 10); + } + + g2.dispose(); + ImageIO.write(image, "jpg", os); + } + + private static Color getRandColor(int fc, int bc) + { + 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); + } + + private static int getRandomIntColor() + { + int[] rgb = getRandomRgb(); + int color = 0; + for (int c : rgb) + { + color = color << 8; + color = color | c; + } + return color; + } + + private static int[] getRandomRgb() + { + int[] rgb = new int[3]; + for (int i = 0; i < 3; i++) + { + rgb[i] = random.nextInt(255); + } + return rgb; + } + + private static void shear(Graphics g, int w1, int h1, Color color) + { + shearX(g, w1, h1, color); + shearY(g, w1, h1, color); + } + + private static 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 static 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); + } + + } + } } \ No newline at end of file -- Gitblit v1.9.3