图片验证码生成工具类

common/src/main/java/com/diagbot/exception/ErrorCode.java

@@ -17,6 +17,7 @@ public enum ErrorCode {
     UPDATE_INFO_FAIL(00020003, "更新数据失败!"),
     PARAM_IS_NULL(00020004, "传入的参数为空!"),
     STATUS_IS_ERROR(00020005, "参数状态错误!"),
+    VERIFYCODE_ERROR(00020006, "图片验证码生成错误!"),
 
     USER_NOT_FOUND(10020000,"用户不存在"),
     USER_PASSWORD_ERROR(10020001,"密码错误"),

user-service/src/main/java/com/diagbot/util/VerCodeUtil.java

@@ -5,18 +5,21 @@ import java.util.List;
 import java.util.Random;
 
 /**
- * @Description: 生成随机码
+ * @Description: 短信验证码生成工具类
  * @author: gaodm
  * @time: 2018/9/3 15:21
  */
-public final class VerCodeUtil {
+public final class SmsCodeUtil {
 
     private static final String AUTH_CODE = "0123456789";
 
-    public static String getVerCode()
+    public static String getVerCode(){
+        return getVerCode(4);
+    }
+    public static String getVerCode(Integer size)
     {
         StringBuilder sb = new StringBuilder();
-        for(int i = 0; i < 6; i++)
+        for(int i = 0; i < size; i++)
         {
             int index = new Random().nextInt(AUTH_CODE.length());
             sb.append(AUTH_CODE.charAt(index));

user-service/src/main/java/com/diagbot/util/VerifyCodeUtils.java

@@ -0,0 +1,304 @@
+package com.diagbot.util;
+
+import com.diagbot.exception.CommonException;
+import com.diagbot.exception.ErrorCode;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.io.OutputStream;
+import java.util.Arrays;
+import java.util.Random;
+
+/**
+ * @Description: 生成随机验证码及图片工具类
+ * @author: gaodm
+ * @time: 2018/9/4 13:54
+ */
+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(null, Font.BOLD + 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);
+            }
+
+        }
+    }
+
+    /**
+     * 生成随机验证码及图片
+     * Object[0]：验证码字符串；
+     * Object[1]：验证码图片。
+     */
+    public static Object[] createImage(){
+        try{
+            int w = 200, h = 80;
+            String verifyCode = generateVerifyCode(4);//生成四位随机码
+            ByteArrayOutputStream bos = new ByteArrayOutputStream();
+            outputImage(w, h, bos, verifyCode);
+            return new Object[]{verifyCode, bos.toByteArray()};
+        } catch (IOException e){
+            throw new CommonException(ErrorCode.VERIFYCODE_ERROR);
+        }
+    }
+
+
+    public static void main(String[] args) throws IOException{
+//        File dir = new File("E:/verifies");
+//        int w = 200, h = 80;
+//        for(int i = 0; i < 50; i++){
+//            String verifyCode = generateVerifyCode(4);//生成四位随机码
+//            File file = new File(dir, verifyCode + ".jpg");
+//            outputImage(w, h, file, verifyCode);//将验证码存在指定的路径下
+//        }
+
+        File dir = new File("E:/verifies");
+        for(int i = 0; i < 50; i++){
+            Object[] res = createImage();
+            String code = res[0].toString();
+            System.out.println(code);
+            File file = new File(dir, code + ".jpg");
+            OutputStream out = new FileOutputStream(file);
+            byte[] b = (byte[])res[1];
+            out.write(b);
+            out.flush();
+            out.close();
+        }
+    }
+}
+

user-service/src/main/java/com/diagbot/web/UserController.java

@@ -9,7 +9,6 @@ import com.diagbot.exception.ErrorCode;
 import com.diagbot.facade.UserFacade;
 import io.swagger.annotations.ApiOperation;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;