未引入redis时，自动使用ConcurrentMapCacheManager

hsweb-web-concurrent/hsweb-web-concurrent-cache/src/main/java/org/hsweb/concureent/cache/ConcurrentMapCacheManagerAutoConfig.java

@@ -0,0 +1,47 @@
+package org.hsweb.concureent.cache;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
+import org.springframework.cache.Cache;
+import org.springframework.cache.CacheManager;
+import org.springframework.cache.annotation.CachingConfigurerSupport;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.cache.concurrent.ConcurrentMapCache;
+import org.springframework.cache.interceptor.KeyGenerator;
+import org.springframework.cache.support.SimpleCacheManager;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.HashSet;
+
+@EnableCaching
+@Configuration
+@ConditionalOnMissingClass(value = {"org.springframework.data.redis.connection.jedis.JedisConnection"})
+public class ConcurrentMapCacheManagerAutoConfig extends CachingConfigurerSupport {
+    @Bean
+    public KeyGenerator keyGenerator() {
+        return (target, method, params) -> {
+            StringBuilder sb = new StringBuilder();
+            sb.append(target.getClass().getName());
+            sb.append(method.getName());
+            for (Object obj : params) {
+                if (obj == null) obj = "null";
+                sb.append(obj.hashCode());
+            }
+            return sb.toString();
+        };
+    }
+
+    @Bean
+    public CacheManager cacheManager() {
+        SimpleCacheManager cacheManager = new SimpleCacheManager() {
+
+            @Override
+            protected Cache getMissingCache(String name) {
+                return new ConcurrentMapCache(name);
+            }
+        };
+        cacheManager.setCaches(new HashSet<>());
+        return cacheManager;
+    }
+}