优化图片验证码的后端实现

yudao-framework/yudao-spring-boot-starter-captcha/src/main/java/cn/iocoder/yudao/framework/captcha/config/YudaoCaptchaConfiguration.java

@@ -0,0 +1,25 @@
+package cn.iocoder.yudao.framework.captcha.config;
+
+import cn.hutool.core.util.ClassUtil;
+import cn.iocoder.yudao.framework.captcha.core.enums.CaptchaRedisKeyConstants;
+import cn.iocoder.yudao.framework.captcha.core.service.RedisCaptchaServiceImpl;
+import com.anji.captcha.service.CaptchaCacheService;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.core.StringRedisTemplate;
+
+@Configuration
+public class YudaoCaptchaConfiguration {
+
+    static {
+        // 手动加载 Lock4jRedisKeyConstants 类，因为它不会被使用到
+        // 如果不加载，会导致 Redis 监控，看到它的 Redis Key 枚举
+        ClassUtil.loadClass(CaptchaRedisKeyConstants.class.getName());
+    }
+
+    @Bean
+    public CaptchaCacheService captchaCacheService(StringRedisTemplate stringRedisTemplate) {
+        return new RedisCaptchaServiceImpl(stringRedisTemplate);
+    }
+
+}

yudao-framework/yudao-spring-boot-starter-captcha/src/main/java/cn/iocoder/yudao/framework/captcha/core/service/RedisCaptchaServiceImpl.java

@@ -1,23 +1,31 @@
-package cn.iocoder.yudao.captcha.core.service;
+package cn.iocoder.yudao.framework.captcha.core.service;
 
 import com.anji.captcha.service.CaptchaCacheService;
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+import lombok.RequiredArgsConstructor;
 import org.springframework.data.redis.core.StringRedisTemplate;
-import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
 import java.util.concurrent.TimeUnit;
 
-@Service
-public class CaptchaServiceImpl implements CaptchaCacheService {
+/**
+ * 基于 Redis 实现验证码的存储
+ *
+ * @author 星语
+ */
+@NoArgsConstructor // 保证 aj-captcha 的 SPI 创建
+@AllArgsConstructor
+public class RedisCaptchaServiceImpl implements CaptchaCacheService {
+
+    @Resource // 保证 aj-captcha 的 SPI 创建时的注入
+    private StringRedisTemplate stringRedisTemplate;
 
     @Override
     public String type() {
         return "redis";
     }
 
-    @Resource
-    private StringRedisTemplate stringRedisTemplate;
-
     @Override
     public void set(String key, String value, long expiresInSeconds) {
         stringRedisTemplate.opsForValue().set(key, value, expiresInSeconds, TimeUnit.SECONDS);
@@ -42,4 +50,5 @@ public class CaptchaServiceImpl implements CaptchaCacheService {
     public Long increment(String key, long val) {
         return stringRedisTemplate.opsForValue().increment(key,val);
     }
+
 }

yudao-framework/yudao-spring-boot-starter-captcha/src/main/java/cn/iocoder/yudao/framework/captcha/package-info.java

@@ -0,0 +1,7 @@
+/**
+ * 验证码拓展
+ * 1. 基于 aj-captcha 实现图形验证码，文档：https://ajcaptcha.beliefteam.cn/captcha-doc/
+ *
+ * @author 星语
+ */
+package cn.iocoder.yudao.framework.captcha;

yudao-framework/yudao-spring-boot-starter-captcha/src/main/resources/META-INF/services/com.anji.captcha.service.CaptchaCacheService

@@ -1 +1 @@
-cn.iocoder.yudao.captcha.core.service.CaptchaServiceImpl
+cn.iocoder.yudao.framework.captcha.core.service.RedisCaptchaServiceImpl

yudao-framework/yudao-spring-boot-starter-captcha/src/main/resources/META-INF/spring.factories

@@ -0,0 +1,2 @@
+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+  cn.iocoder.yudao.framework.captcha.config.YudaoCaptchaConfiguration