chore(config): Improve MyBatis Plus and Redis conditional configuration

docs/video-common模块实现步骤和代码.md

@@ -991,6 +991,7 @@ public class MinioUtils {
 // com.nuaa.video.common.config.RedisConfig.java
 package com.nuaa.video.common.config;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
@@ -1011,6 +1012,7 @@ import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator
 
 /**
  * Redis配置类
+ * 只有在存在RedisOperations类且没有redisTemplate bean时才会创建
  */
 @Configuration
 @EnableCaching
@@ -1020,26 +1022,27 @@ public class RedisConfig {
 
     @Bean
     @ConditionalOnMissingBean(name = "redisTemplate")
-    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
+    @ConditionalOnBean(RedisConnectionFactory.class)  // 只有当存在RedisConnectionFactory时才创建
+    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
         RedisTemplate<String, Object> template = new RedisTemplate<>();
-        template.setConnectionFactory(redisConnectionFactory);
+        template.setConnectionFactory(factory);
-        
+
         // 创建配置好的ObjectMapper
         ObjectMapper mapper = new ObjectMapper();
         mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
         mapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);
-        
+
         // 使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值
         Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(mapper, Object.class);
-        
+
         // 使用StringRedisSerializer来序列化和反序列化redis的key值
         template.setKeySerializer(new StringRedisSerializer());
         template.setValueSerializer(serializer);
-        
+
         // Hash的key也采用StringRedisSerializer的序列化方式
         template.setHashKeySerializer(new StringRedisSerializer());
         template.setHashValueSerializer(serializer);
-        
+
         template.afterPropertiesSet();
         return template;
     }
@@ -1108,31 +1111,38 @@ import com.baomidou.mybatisplus.extension.plugins.inner.BlockAttackInnerIntercep
 import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
 import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
+import javax.sql.DataSource;
+
 /**
  * MyBatis Plus配置类
+ * 只有在存在DataSource且启用mybatis-plus时才生效
  */
 @Configuration
 @EnableTransactionManagement
-@MapperScan("com.nuaa.video.**.mapper")
+@ConditionalOnClass({DataSource.class})
+@ConditionalOnProperty(prefix = "spring.datasource", name = "url")
+@MapperScan({"com.nuaa.video.**.mapper"})
 public class MybatisPlusConfig {
 
     @Bean
     public MybatisPlusInterceptor mybatisPlusInterceptor() {
         MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
-        
+
         // 分页插件
         interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
-        
+
         // 防止全表更新与删除插件
         interceptor.addInnerInterceptor(new BlockAttackInnerInterceptor());
-        
+
         // 乐观锁插件
         interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
-        
+
         return interceptor;
     }
 }

video-common/src/main/java/com/nuaa/video/common/config/MybatisPlusConfig.java

@@ -1,3 +1,4 @@
+// com.nuaa.video.common.config.MybatisPlusConfig.java
 package com.nuaa.video.common.config;
 
 import com.baomidou.mybatisplus.annotation.DbType;
@@ -6,16 +7,23 @@ import com.baomidou.mybatisplus.extension.plugins.inner.BlockAttackInnerIntercep
 import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
 import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
+import javax.sql.DataSource;
+
 /**
  * MyBatis Plus配置类
+ * 只有在存在DataSource且启用mybatis-plus时才生效
  */
 @Configuration
 @EnableTransactionManagement
-@MapperScan("com.nuaa.video.**.mapper")
+@ConditionalOnClass({DataSource.class})
+@ConditionalOnProperty(prefix = "spring.datasource", name = "url")
+@MapperScan({"com.nuaa.video.**.mapper"})
 public class MybatisPlusConfig {
 
     @Bean

video-common/src/main/java/com/nuaa/video/common/config/RedisConfig.java

@@ -1,5 +1,7 @@
+// com.nuaa.video.common.config.RedisConfig.java
 package com.nuaa.video.common.config;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
@@ -20,6 +22,7 @@ import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator
 
 /**
  * Redis配置类
+ * 只有在存在RedisOperations类且没有redisTemplate bean时才会创建
  */
 @Configuration
 @EnableCaching
@@ -29,9 +32,10 @@ public class RedisConfig {
 
     @Bean
     @ConditionalOnMissingBean(name = "redisTemplate")
-    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
+    @ConditionalOnBean(RedisConnectionFactory.class)  // 只有当存在RedisConnectionFactory时才创建
+    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
         RedisTemplate<String, Object> template = new RedisTemplate<>();
-        template.setConnectionFactory(redisConnectionFactory);
+        template.setConnectionFactory(factory);
 
         // 创建配置好的ObjectMapper
         ObjectMapper mapper = new ObjectMapper();

video-common/src/main/resources/META-INF/spring.factories

@@ -1,6 +1,5 @@
 # src/main/resources/META-INF/spring.factories
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
-com.nuaa.video.common.config.RedisConfig,\
 com.nuaa.video.common.config.MybatisPlusConfig,\
 com.nuaa.video.common.config.MinioConfig,\
 com.nuaa.video.common.config.WebConfig,\