|
|
|
|
@ -0,0 +1,269 @@
|
|
|
|
|
package com.shxy.xymanager_common.util;
|
|
|
|
|
|
|
|
|
|
import javax.imageio.ImageIO;
|
|
|
|
|
import java.awt.*;
|
|
|
|
|
import java.awt.geom.AffineTransform;
|
|
|
|
|
import java.awt.image.BufferedImage;
|
|
|
|
|
import java.io.File;
|
|
|
|
|
import java.io.FileOutputStream;
|
|
|
|
|
import java.io.IOException;
|
|
|
|
|
import java.io.OutputStream;
|
|
|
|
|
import java.util.Arrays;
|
|
|
|
|
import java.util.Random;
|
|
|
|
|
|
|
|
|
|
public class VerifyCodeUtils {
|
|
|
|
|
|
|
|
|
|
//使用到Algerian字体，系统里没有的话需要安装字体，字体只显示大写，去掉了1,0,i,o几个容易混淆的字符
|
|
|
|
|
public static final String VERIFY_CODES = "23456789ABCDEFGHJKLMNPQRSTUVWXYZ";
|
|
|
|
|
private static Random random = new Random();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 使用系统默认字符源生成验证码
|
|
|
|
|
*
|
|
|
|
|
* @param verifySize 验证码长度
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static String generateVerifyCode(int verifySize) {
|
|
|
|
|
return generateVerifyCode(verifySize, VERIFY_CODES);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 使用指定源生成验证码
|
|
|
|
|
*
|
|
|
|
|
* @param verifySize 验证码长度
|
|
|
|
|
* @param sources 验证码字符源
|
|
|
|
|
* @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();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 生成随机验证码文件,并返回验证码值
|
|
|
|
|
*
|
|
|
|
|
* @param w
|
|
|
|
|
* @param h
|
|
|
|
|
* @param outputFile
|
|
|
|
|
* @param verifySize
|
|
|
|
|
* @return
|
|
|
|
|
* @throws IOException
|
|
|
|
|
*/
|
|
|
|
|
public static String outputVerifyImage(int w, int h, File outputFile, int verifySize) throws IOException {
|
|
|
|
|
String verifyCode = generateVerifyCode(verifySize);
|
|
|
|
|
outputImage(w, h, outputFile, verifyCode);
|
|
|
|
|
return verifyCode;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 输出随机验证码图片流,并返回验证码值
|
|
|
|
|
*
|
|
|
|
|
* @param w
|
|
|
|
|
* @param h
|
|
|
|
|
* @param os
|
|
|
|
|
* @param verifySize
|
|
|
|
|
* @return
|
|
|
|
|
* @throws IOException
|
|
|
|
|
*/
|
|
|
|
|
public static String outputVerifyImage(int w, int h, OutputStream os, int verifySize) throws IOException {
|
|
|
|
|
String verifyCode = generateVerifyCode(verifySize);
|
|
|
|
|
outputImage(w, h, os, verifyCode);
|
|
|
|
|
return verifyCode;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 生成指定验证码图像文件
|
|
|
|
|
*
|
|
|
|
|
* @param w
|
|
|
|
|
* @param h
|
|
|
|
|
* @param outputFile
|
|
|
|
|
* @param code
|
|
|
|
|
* @throws IOException
|
|
|
|
|
*/
|
|
|
|
|
public static void outputImage(int w, int h, File outputFile, String code) throws IOException {
|
|
|
|
|
if (outputFile == null) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
File dir = outputFile.getParentFile();
|
|
|
|
|
if (!dir.exists()) {
|
|
|
|
|
dir.mkdirs();
|
|
|
|
|
}
|
|
|
|
|
try {
|
|
|
|
|
outputFile.createNewFile();
|
|
|
|
|
FileOutputStream fos = new FileOutputStream(outputFile);
|
|
|
|
|
outputImage(w, h, fos, code);
|
|
|
|
|
fos.close();
|
|
|
|
|
} catch (IOException e) {
|
|
|
|
|
throw e;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 输出指定验证码图片流
|
|
|
|
|
*
|
|
|
|
|
* @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);// 设置边框色
|
|
|
|
|
g2.fillRect(0, 0, w, h);
|
|
|
|
|
|
|
|
|
|
Color c = getRandColor(200, 250);
|
|
|
|
|
g2.setColor(c);// 设置背景色
|
|
|
|
|
g2.fillRect(0, 2, w, h - 4);
|
|
|
|
|
|
|
|
|
|
//绘制干扰线
|
|
|
|
|
Random random = new Random();
|
|
|
|
|
g2.setColor(getRandColor(160, 200));// 设置线条的颜色
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 添加噪点
|
|
|
|
|
float yawpRate = 0.05f;// 噪声率
|
|
|
|
|
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);// 使图片扭曲
|
|
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static void main(String[] args) throws IOException {
|
|
|
|
|
//获取验证码
|
|
|
|
|
String s = generateVerifyCode(4);
|
|
|
|
|
//将验证码放入图片中
|
|
|
|
|
outputImage(260, 60, new File("/Users/chenyannan/Desktop/安工资料/aa.jpg"), s);
|
|
|
|
|
System.out.println(s);
|
|
|
|
|
}
|
|
|
|
|
}
|
18616268358
2 years ago