local cache

community-service/pom.xml

@@ -65,6 +65,16 @@
             <artifactId>spring-cloud-starter-zipkin</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-cache</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.github.ben-manes.caffeine</groupId>
+            <artifactId>caffeine</artifactId>
+        </dependency>
+
 <!--        mybatis-plus自动生成所需包-->
         <dependency>
             <groupId>org.apache.velocity</groupId>

community-service/src/main/java/com/tanpu/community/config/CacheConfig.java

@@ -3,10 +3,13 @@ package com.tanpu.community.config;
 import com.tanpu.community.cache.RedisCache;
 import com.tanpu.community.util.SpringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.CacheManager;
+import org.springframework.cache.caffeine.CaffeineCacheManager;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 import javax.annotation.Resource;
+import java.util.Arrays;
 
 @Configuration
 public class CacheConfig {
@@ -16,6 +19,14 @@ public class CacheConfig {
 
     @Bean
     public RedisCache redisCache() {
-        return new RedisCache.Builder().cacheName("community2").build();
+        return new RedisCache.Builder().cacheName("redis").build();
+    }
+
+    @Bean
+    public CacheManager cacheManager() {
+        CaffeineCacheManager cacheManager = new CaffeineCacheManager();
+        cacheManager.setCacheNames(Arrays.asList("local"));
+        cacheManager.setCacheSpecification("maximumSize=10,expireAfterWrite=10s");
+        return cacheManager;
     }
 }

community-service/src/main/java/com/tanpu/community/controller/FileController.java

@@ -21,4 +21,16 @@ public class FileController {
     public CommonResp<FileUploadResp> uploadToRemote(@RequestParam(value = "file") MultipartFile file) {
         return CommonResp.success(fileManager.uploadFile(file));
     }
+
+    @GetMapping("/test")
+    public String test() {
+        for (int i = 0; i < 30; i++) {
+            System.out.println(fileManager.getId("" + i / 2));
+        }
+
+        for (int i = 30; i > 0; i--) {
+            System.out.println(fileManager.getId("" + i / 2));
+        }
+        return "";
+    }
 }

community-service/src/main/java/com/tanpu/community/manager/FileManager.java

@@ -8,6 +8,7 @@ import com.tanpu.community.service.OSSFileService;
 import com.tanpu.community.util.ConvertUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 import org.springframework.web.multipart.MultipartFile;
@@ -49,4 +50,10 @@ public class FileManager {
         return ossFileService.queryByIds(fileIds).stream()
                 .collect(Collectors.toMap(FileRecordEntity::getFileId, FileRecordEntity::getUrl));
     }
+
+    @Cacheable(value = "local", key = "#id")
+    public String getId(String id) {
+        System.out.println("cache " + id);
+        return "haha " + id;
+    }
 }

pom.xml

@@ -128,6 +128,18 @@
                 <version>2.4.5</version>
             </dependency>
 
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-cache</artifactId>
+                <version>${spring.boot.version}</version>
+            </dependency>
+
+            <dependency>
+                <groupId>com.github.ben-manes.caffeine</groupId>
+                <artifactId>caffeine</artifactId>
+                <version>2.7.0</version>
+            </dependency>
+
             <dependency>
                 <groupId>com.baomidou</groupId>
                 <artifactId>mybatis-plus-boot-starter</artifactId>