feat(cache): 添加 Caffeine缓存支持并优化日志处理

- 在应用配置中添加 Caffeine 缓存配置
- 新增 CaffeineConfig 类用于缓存管理
- 在 Log 实体中添加 userAgent 字段保存原始用户代理字符串
- 优化 LogAspect 中的用户代理解析逻辑，增加缓存支持
- 更新数据库表结构，在 log 表中添加 user_agent 列

src/main/java/com/youlai/boot/config/CaffeineConfig.java

@@ -0,0 +1,37 @@
+package com.youlai.boot.config;
+
+import com.github.benmanes.caffeine.cache.Caffeine;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.cache.CacheManager;
+import org.springframework.cache.caffeine.CaffeineCacheManager;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * caffeine缓存配置
+ *
+ * @author Theo
+ * @since 2025-01-22 17:40:23
+ */
+@Slf4j
+@Configuration
+public class CaffeineConfig {
+
+    @Value("${spring.cache.caffeine.spec}")
+    private String caffeineSpec;
+
+    /**
+     * 缓存管理器
+     *
+     * @return CacheManager 缓存管理器
+     */
+    @Bean
+    public CacheManager cacheManager() {
+        CaffeineCacheManager caffeineCacheManager = new CaffeineCacheManager();
+        Caffeine<Object, Object> caffeineBuilder = Caffeine.from(caffeineSpec);
+        caffeineCacheManager.setCaffeine(caffeineBuilder);
+        return caffeineCacheManager;
+    }
+}
+

src/main/java/com/youlai/boot/core/aspect/LogAspect.java

@@ -3,9 +3,11 @@ package com.youlai.boot.core.aspect;
 import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.date.TimeInterval;
 import cn.hutool.core.util.StrUtil;
+import cn.hutool.crypto.digest.DigestUtil;
 import cn.hutool.http.useragent.UserAgent;
 import cn.hutool.http.useragent.UserAgentUtil;
 import cn.hutool.json.JSONUtil;
+import com.alibaba.excel.util.StringUtils;
 import com.aliyun.oss.HttpMethod;
 import com.youlai.boot.common.enums.LogModuleEnum;
 import com.youlai.boot.common.util.IPUtils;
@@ -21,6 +23,7 @@ import org.aspectj.lang.annotation.AfterReturning;
 import org.aspectj.lang.annotation.AfterThrowing;
 import org.aspectj.lang.annotation.Aspect;
 import org.aspectj.lang.annotation.Pointcut;
+import org.springframework.cache.CacheManager;
 import org.springframework.stereotype.Component;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
@@ -37,14 +40,18 @@ import java.util.Objects;
  * @author Ray.Hao
  * @since 2024/6/25
  */
+@Slf4j
 @Aspect
 @Component
 @RequiredArgsConstructor
-@Slf4j
 public class LogAspect {
     private final LogService logService;
     private final HttpServletRequest request;
+    private final CacheManager cacheManager;
 
+    /**
+     * 切点
+     */
     @Pointcut("@annotation(com.youlai.boot.common.annotation.Log)")
     public void logPointcut() {
     }
@@ -72,7 +79,12 @@ public class LogAspect {
     }
 
     /**
-     * 保持日志
+     * 保存日志
+     *
+     * @param joinPoint     切点
+     * @param e             异常
+     * @param jsonResult    响应结果
+     * @param logAnnotation 日志注解
      */
     private void saveLog(final JoinPoint joinPoint, final Exception e, Object jsonResult, com.youlai.boot.common.annotation.Log logAnnotation) {
         String requestURI = request.getRequestURI();
@@ -120,8 +132,9 @@ public class LogAspect {
         log.setExecutionTime(executionTime);
         // 获取浏览器和终端系统信息
         String userAgentString = request.getHeader("User-Agent");
-        UserAgent userAgent = UserAgentUtil.parse(userAgentString);
-        if(Objects.nonNull(userAgent)) {
+        log.setUserAgent(userAgentString);
+        UserAgent userAgent = resolveUserAgent(userAgentString);
+        if (Objects.nonNull(userAgent)) {
             // 系统信息
             log.setOs(userAgent.getOs().getName());
             // 浏览器信息
@@ -193,4 +206,27 @@ public class LogAspect {
         return obj instanceof MultipartFile || obj instanceof HttpServletRequest || obj instanceof HttpServletResponse;
     }
 
+
+    /**
+     * 解析UserAgent
+     *
+     * @param userAgentString UserAgent字符串
+     * @return UserAgent
+     */
+    public UserAgent resolveUserAgent(String userAgentString) {
+        if (StringUtils.isBlank(userAgentString)) {
+            return null;
+        }
+        // 给userAgentStringMD5加密一次防止过长
+        String userAgentStringMD5 = DigestUtil.md5Hex(userAgentString);
+        //判断是否命中缓存
+        UserAgent userAgent = Objects.requireNonNull(cacheManager.getCache("userAgent")).get(userAgentStringMD5, UserAgent.class);
+        if (userAgent != null) {
+            return userAgent;
+        }
+        userAgent = UserAgentUtil.parse(userAgentString);
+        Objects.requireNonNull(cacheManager.getCache("userAgent")).put(userAgentStringMD5, userAgent);
+        return userAgent;
+    }
+
 }

src/main/java/com/youlai/boot/system/controller/UserController.java

@@ -1,5 +1,6 @@
 package com.youlai.boot.system.controller;
 
+import cn.hutool.json.JSONUtil;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.ExcelWriter;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
@@ -63,6 +64,7 @@ public class UserController {
             @Valid UserPageQuery queryParams
     ) {
         IPage<UserPageVO> result = userService.getUserPage(queryParams);
+
         return PageResult.success(result);
     }
 

src/main/java/com/youlai/boot/system/model/entity/Log.java

@@ -2,7 +2,6 @@ package com.youlai.boot.system.model.entity;
 
 import com.baomidou.mybatisplus.annotation.*;
 import com.youlai.boot.common.enums.LogModuleEnum;
-import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
 import java.io.Serializable;
@@ -87,6 +86,11 @@ public class Log implements Serializable {
      */
     private String os;
 
+    /**
+     * 原生的用户代理字符串
+     */
+    private String userAgent;
+
     /**
      * 执行时间(毫秒)
      */

src/main/resources/application-dev.yml

@@ -35,6 +35,8 @@ spring:
       time-to-live: 3600000
       # 缓存null值，防止缓存穿透
       cache-null-values: true
+    caffeine:
+      spec: initialCapacity=50,maximumSize=1000,expireAfterWrite=600s
   # 邮件配置
   mail:
     host: smtp.youlai.tech

src/main/resources/application-prod.yml

@@ -48,7 +48,8 @@ spring:
             enable: true
     # 邮件发送者
     from: youlaitech@163.com
-
+    caffeine:
+      spec: initialCapacity=50,maximumSize=500,expireAfterWrite=3600s
 mybatis-plus:
   mapper-locations: classpath*:/mapper/**/*.xml
   global-config: