From 14f4f50e189073c86bd4edc39733f50ad114097e Mon Sep 17 00:00:00 2001
From: Jack <46790855@qq.com>
Date: Fri, 15 Aug 2025 08:52:52 +0800
Subject: [PATCH] =?UTF-8?q?=E9=AA=8C=E8=AF=81=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 captcha_preview.png                           | Bin 0 -> 527 bytes
 .../mall/common/utils/CaptchaUtil.java        | 358 ++++++++++++++++++
 .../impl/ShopBaseConfigServiceImpl.java       | 132 +------
 3 files changed, 361 insertions(+), 129 deletions(-)
 create mode 100644 captcha_preview.png
 create mode 100644 mall-common/src/main/java/com/suisung/mall/common/utils/CaptchaUtil.java

diff --git a/captcha_preview.png b/captcha_preview.png
new file mode 100644
index 0000000000000000000000000000000000000000..c4da507cbebd59cd275e7817fbea27e2346b883f
GIT binary patch
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HcmV?d00001

diff --git a/mall-common/src/main/java/com/suisung/mall/common/utils/CaptchaUtil.java b/mall-common/src/main/java/com/suisung/mall/common/utils/CaptchaUtil.java
new file mode 100644
index 00000000..265f3368
--- /dev/null
+++ b/mall-common/src/main/java/com/suisung/mall/common/utils/CaptchaUtil.java
@@ -0,0 +1,358 @@
+/*
+ * Copyright (c) 2025. Lorem ipsum dolor sit amet, consectetur adipiscing elit.
+ * Morbi non lorem porttitor neque feugiat blandit. Ut vitae ipsum eget quam lacinia accumsan.
+ * Etiam sed turpis ac ipsum condimentum fringilla. Maecenas magna.
+ * Proin dapibus sapien vel ante. Aliquam erat volutpat. Pellentesque sagittis ligula eget metus.
+ * Vestibulum commodo. Ut rhoncus gravida arcu.
+ */
+
+package com.suisung.mall.common.utils;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+public class CaptchaUtil {
+
+    public static void main(String[] args) throws IOException {
+        // 生成示例验证码图片
+        String captchaCode = generateSimpleCaptcha(4);
+        System.out.println("生成的验证码: " + captchaCode);
+
+        BufferedImage image = createSimpleCaptchaImage(captchaCode);
+
+        // 保存到文件以便预览
+        File output = new File("captcha_preview.png");
+        ImageIO.write(image, "png", output);
+        System.out.println("验证码图片已保存到: " + output.getAbsolutePath());
+    }
+
+    /**
+     * 生成简单的数字和字母验证码
+     *
+     * @param length 验证码长度
+     * @return 验证码字符串
+     */
+    public static String generateSimpleCaptcha(int length) {
+        String chars = "0123456789";
+        StringBuilder captcha = new StringBuilder();
+        java.util.Random random = new java.util.Random();
+        for (int i = 0; i < length; i++) {
+            captcha.append(chars.charAt(random.nextInt(chars.length())));
+        }
+        return captcha.toString();
+    }
+
+    /**
+     * 创建简单的验证码图片（不依赖系统字体）
+     *
+     * @param captchaCode 验证码
+     * @return 验证码图片
+     */
+    public static BufferedImage createSimpleCaptchaImage(String captchaCode) {
+        int width = 120;
+        int height = 40;
+
+        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+        java.awt.Graphics2D g = image.createGraphics();
+
+        // 设置背景色
+        g.setColor(java.awt.Color.WHITE);
+        g.fillRect(0, 0, width, height);
+
+        // 绘制干扰线
+        java.util.Random random = new java.util.Random();
+        g.setColor(new java.awt.Color(200, 200, 200));
+        for (int i = 0; i < 8; i++) {
+            int x1 = random.nextInt(width);
+            int y1 = random.nextInt(height);
+            int x2 = random.nextInt(width);
+            int y2 = random.nextInt(height);
+            g.drawLine(x1, y1, x2, y2);
+        }
+
+        // 绘制干扰点
+        g.setColor(new java.awt.Color(200, 200, 200));
+        for (int i = 0; i < 30; i++) {
+            int x = random.nextInt(width);
+            int y = random.nextInt(height);
+            g.fillRect(x, y, 1, 1);
+        }
+
+        // 绘制验证码字符
+        int charWidth = width / (captchaCode.length() + 1);
+
+        for (int i = 0; i < captchaCode.length(); i++) {
+            char c = captchaCode.charAt(i);
+            int x = (i + 1) * charWidth - 8;
+            int y = height / 2 - 10;
+
+            // 添加随机旋转和位置偏移
+            java.awt.geom.AffineTransform original = g.getTransform();
+            java.awt.geom.AffineTransform transform = new java.awt.geom.AffineTransform();
+            transform.translate(x, y);
+            // 减小旋转角度，避免字符变形过大
+            transform.rotate((random.nextDouble() - 0.5) * 0.3);
+            g.setTransform(transform);
+
+            // 使用点阵方式绘制字符
+            drawCharacter(g, c, 0, 0, random);
+
+            // 恢复原始变换
+            g.setTransform(original);
+        }
+
+        g.dispose();
+        return image;
+    }
+
+    /**
+     * 用点阵方式绘制字符（避免使用字体）
+     *
+     * @param g      Graphics对象
+     * @param c      要绘制的字符
+     * @param x      x坐标偏移
+     * @param y      y坐标偏移
+     * @param random 随机数生成器
+     */
+    private static void drawCharacter(java.awt.Graphics2D g, char c, int x, int y, java.util.Random random) {
+        // 使用5x7点阵绘制字符
+        int[][] pattern = getCharacterPattern(c);
+
+        if (pattern != null) {
+            // 设置画笔颜色
+            g.setColor(java.awt.Color.BLACK);
+
+            for (int i = 0; i < pattern.length; i++) {
+                for (int j = 0; j < pattern[i].length; j++) {
+                    if (pattern[i][j] == 1) {
+                        // 添加轻微随机偏移使字符不那么规整
+                        int offsetX = random.nextInt(3) - 1;
+                        int offsetY = random.nextInt(3) - 1;
+                        // 使用更清晰的绘制方式，增大像素点
+                        g.fillRect(x + j * 3, y + i * 3, 2, 2);
+                    }
+                }
+            }
+        } else {
+            // 如果字符图案未定义，绘制一个简单的替代图形
+            g.setColor(java.awt.Color.GRAY);
+            g.fillOval(x + 5, y + 5, 6, 6);
+        }
+    }
+
+    /**
+     * 获取字符的点阵图案
+     *
+     * @param c 字符
+     * @return 点阵图案（二维数组）
+     */
+    private static int[][] getCharacterPattern(char c) {
+        // 简化的5x7点阵字符图案
+        switch (c) {
+            case '0':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 0}
+                };
+            case '1':
+                return new int[][]{
+                        {0, 0, 1, 0, 0},
+                        {0, 1, 1, 0, 0},
+                        {1, 0, 1, 0, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 0, 1, 0, 0},
+                        {1, 1, 1, 1, 1}
+                };
+            case '2':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {0, 0, 0, 0, 1},
+                        {0, 0, 0, 1, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 1, 0, 0, 0},
+                        {1, 1, 1, 1, 1}
+                };
+            case '3':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {0, 0, 0, 0, 1},
+                        {0, 0, 1, 1, 0},
+                        {0, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 0}
+                };
+            case '4':
+                return new int[][]{
+                        {0, 0, 0, 1, 0},
+                        {0, 0, 1, 1, 0},
+                        {0, 1, 0, 1, 0},
+                        {1, 0, 0, 1, 0},
+                        {1, 1, 1, 1, 1},
+                        {0, 0, 0, 1, 0},
+                        {0, 0, 0, 1, 0}
+                };
+            case '5':
+                return new int[][]{
+                        {1, 1, 1, 1, 1},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 1, 1, 1, 0},
+                        {0, 0, 0, 0, 1},
+                        {0, 0, 0, 0, 1},
+                        {1, 1, 1, 1, 0}
+                };
+            case '6':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 0}
+                };
+            case '7':
+                return new int[][]{
+                        {1, 1, 1, 1, 1},
+                        {0, 0, 0, 0, 1},
+                        {0, 0, 0, 1, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 1, 0, 0, 0},
+                        {0, 1, 0, 0, 0},
+                        {0, 1, 0, 0, 0}
+                };
+            case '8':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 0}
+                };
+            case '9':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 1},
+                        {0, 0, 0, 0, 1},
+                        {0, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 0}
+                };
+            case 'A':
+            case 'a':
+                return new int[][]{
+                        {0, 0, 1, 0, 0},
+                        {0, 1, 0, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 1, 1, 1, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1}
+                };
+            case 'B':
+            case 'b':
+                return new int[][]{
+                        {1, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 1, 1, 1, 0}
+                };
+            case 'C':
+            case 'c':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 0}
+                };
+            case 'D':
+            case 'd':
+                return new int[][]{
+                        {1, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 1, 1, 1, 0}
+                };
+            case 'E':
+            case 'e':
+                return new int[][]{
+                        {1, 1, 1, 1, 1},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 1, 1, 1, 1}
+                };
+            case 'F':
+            case 'f':
+                return new int[][]{
+                        {1, 1, 1, 1, 1},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 0, 0, 0}
+                };
+            case 'G':
+            case 'g':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 0},
+                        {1, 0, 1, 1, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {0, 1, 1, 1, 0}
+                };
+            case 'H':
+            case 'h':
+                return new int[][]{
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 1, 1, 1, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1},
+                        {1, 0, 0, 0, 1}
+                };
+            case 'I':
+            case 'i':
+                return new int[][]{
+                        {0, 1, 1, 1, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 0, 1, 0, 0},
+                        {0, 1, 1, 1, 0}
+                };
+            default:
+                return null;
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/base/service/impl/ShopBaseConfigServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/base/service/impl/ShopBaseConfigServiceImpl.java
index e4282006..9723b4c4 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/base/service/impl/ShopBaseConfigServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/base/service/impl/ShopBaseConfigServiceImpl.java
@@ -6,6 +6,7 @@ import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import com.suisung.mall.common.constant.RedisConstant;
 import com.suisung.mall.common.modules.base.ShopBaseConfig;
+import com.suisung.mall.common.utils.CaptchaUtil;
 import com.suisung.mall.core.web.service.RedisService;
 import com.suisung.mall.core.web.service.impl.BaseServiceImpl;
 import com.suisung.mall.shop.base.mapper.ShopBaseConfigMapper;
@@ -116,10 +117,10 @@ public class ShopBaseConfigServiceImpl extends BaseServiceImpl<ShopBaseConfigMap
             }
 
             // 创建一个不依赖字体的简单数字验证码
-            String captchaCode = generateSimpleCaptcha(4);
+            String captchaCode = CaptchaUtil.generateSimpleCaptcha(4);
 
             // 手动创建简单的验证码图片
-            BufferedImage image = createSimpleCaptchaImage(captchaCode);
+            BufferedImage image = CaptchaUtil.createSimpleCaptchaImage(captchaCode);
 
             // 保存验证码到Redis
             String code = RedisConstant.Verifycode_NameSpace + verify_token + captchaCode;
@@ -152,133 +153,6 @@ public class ShopBaseConfigServiceImpl extends BaseServiceImpl<ShopBaseConfigMap
         }
     }
 
-    /**
-     * 生成简单的数字验证码
-     *
-     * @param length 验证码长度
-     * @return 验证码字符串
-     */
-    private String generateSimpleCaptcha(int length) {
-        String chars = "0123456789";
-        StringBuilder captcha = new StringBuilder();
-        java.util.Random random = new java.util.Random();
-        for (int i = 0; i < length; i++) {
-            captcha.append(chars.charAt(random.nextInt(chars.length())));
-        }
-        return captcha.toString();
-    }
-
-    /**
-     * 创建简单的验证码图片（不依赖系统字体）
-     *
-     * @param captchaCode 验证码
-     * @return 验证码图片
-     */
-    private BufferedImage createSimpleCaptchaImage(String captchaCode) {
-        int width = 120;
-        int height = 40;
-
-        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
-        java.awt.Graphics2D g = image.createGraphics();
-
-        // 设置背景色
-        g.setColor(java.awt.Color.WHITE);
-        g.fillRect(0, 0, width, height);
-
-        // 绘制干扰线
-        java.util.Random random = new java.util.Random();
-        g.setColor(java.awt.Color.LIGHT_GRAY);
-        for (int i = 0; i < 10; i++) {
-            int x1 = random.nextInt(width);
-            int y1 = random.nextInt(height);
-            int x2 = random.nextInt(width);
-            int y2 = random.nextInt(height);
-            g.drawLine(x1, y1, x2, y2);
-        }
-
-        // 绘制验证码（使用简单的图形而不是文字）
-        g.setColor(java.awt.Color.BLACK);
-        int fontSize = 20;
-        for (int i = 0; i < captchaCode.length(); i++) {
-            char c = captchaCode.charAt(i);
-            // 使用drawString可能会触发字体问题，所以我们用图形代替
-            int x = 20 + i * 20;
-            int y = 25;
-
-            // 绘制数字的简单表示（这里仍然可能有问题，所以我们用点阵方式）
-            drawSimpleNumber(g, c, x, y);
-        }
-
-        g.dispose();
-        return image;
-    }
-
-    /**
-     * 用简单图形绘制数字（避免使用字体）
-     *
-     * @param g Graphics对象
-     * @param c 要绘制的字符
-     * @param x x坐标
-     * @param y y坐标
-     */
-    private void drawSimpleNumber(java.awt.Graphics2D g, char c, int x, int y) {
-        // 简单的数字绘制，避免使用字体
-        switch (c) {
-            case '0':
-                g.drawOval(x, y - 15, 15, 15);
-                break;
-            case '1':
-                g.drawLine(x + 7, y - 15, x + 7, y);
-                break;
-            case '2':
-                g.drawLine(x, y - 15, x + 15, y - 15); // 上横线
-                g.drawLine(x + 15, y - 15, x + 15, y - 7); // 右上竖线
-                g.drawLine(x, y - 7, x + 15, y - 7); // 中横线
-                g.drawLine(x, y - 7, x, y); // 左下竖线
-                g.drawLine(x, y, x + 15, y); // 下横线
-                break;
-            case '3':
-                g.drawLine(x, y - 15, x + 15, y - 15); // 上横线
-                g.drawLine(x + 15, y - 15, x + 15, y); // 右竖线
-                g.drawLine(x, y - 7, x + 15, y - 7); // 中横线
-                g.drawLine(x, y, x + 15, y); // 下横线
-                break;
-            case '4':
-                g.drawLine(x, y - 15, x, y - 7); // 左上竖线
-                g.drawLine(x + 15, y - 15, x + 15, y); // 右竖线
-                g.drawLine(x, y - 7, x + 15, y - 7); // 中横线
-                break;
-            case '5':
-                g.drawLine(x, y - 15, x + 15, y - 15); // 上横线
-                g.drawLine(x, y - 15, x, y - 7); // 左上竖线
-                g.drawLine(x, y - 7, x + 15, y - 7); // 中横线
-                g.drawLine(x + 15, y - 7, x + 15, y); // 右下竖线
-                g.drawLine(x, y, x + 15, y); // 下横线
-                break;
-            case '6':
-                g.drawOval(x, y - 15, 15, 15);
-                g.drawLine(x, y - 7, x, y); // 左下竖线
-                g.drawLine(x, y, x + 15, y); // 下横线
-                break;
-            case '7':
-                g.drawLine(x, y - 15, x + 15, y - 15); // 上横线
-                g.drawLine(x + 15, y - 15, x + 15, y); // 右竖线
-                break;
-            case '8':
-                g.drawOval(x, y - 15, 15, 15);
-                g.drawOval(x, y - 7, 15, 15);
-                break;
-            case '9':
-                g.drawOval(x, y - 15, 15, 15);
-                g.drawLine(x + 15, y - 7, x + 15, y); // 右下竖线
-                g.drawLine(x, y, x + 15, y); // 下横线
-                break;
-            default:
-                // 绘制一个简单的点作为默认
-                g.fillOval(x + 7, y - 7, 3, 3);
-        }
-    }
-
 
 //    /**
 //     * 获取验证码