修改 MybatisUtil 的实现，并更名为 MyBatisContextUtil。

plusone-basic/plusone-basic-infrastructure/src/main/java/xyz/zhouxy/plusone/mybatis/MyBatisAutoConfiguration.java

@@ -1,17 +0,0 @@
-package xyz.zhouxy.plusone.mybatis;
-
-import org.apache.ibatis.session.SqlSessionFactory;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-@EnableAutoConfiguration
-public class MyBatisAutoConfiguration {
-
-    @Bean
-    MybatisUtil mybatisUtil(SqlSessionFactory sqlSessionFactory) {
-        return MybatisUtil.getInstance()
-                .setSqlSessionFactory(sqlSessionFactory);
-    }
-}

plusone-basic/plusone-basic-infrastructure/src/main/java/xyz/zhouxy/plusone/mybatis/MyBatisContextUtil.java

@@ -0,0 +1,16 @@
+package xyz.zhouxy.plusone.mybatis;
+
+import org.apache.ibatis.session.SqlSessionFactory;
+
+import xyz.zhouxy.plusone.spring.SpringContextHolder;
+
+public final class MyBatisContextUtil {
+
+    private MyBatisContextUtil() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    public static SqlSessionFactory getSqlSessionFactory() {
+        return SpringContextHolder.getContext().getBean(SqlSessionFactory.class);
+    }
+}

plusone-basic/plusone-basic-infrastructure/src/main/java/xyz/zhouxy/plusone/mybatis/MyBatisPlusConfig.java

@@ -10,7 +10,7 @@ import org.springframework.context.annotation.Configuration;
 @Configuration
 public class MyBatisPlusConfig {
     @Bean
-    public MybatisPlusInterceptor mybatisPlusInterceptor() {
+    MybatisPlusInterceptor mybatisPlusInterceptor() {
         MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
         interceptor.addInnerInterceptor(new BlockAttackInnerInterceptor());
         interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());

plusone-basic/plusone-basic-infrastructure/src/main/java/xyz/zhouxy/plusone/mybatis/MybatisUtil.java

@@ -1,28 +0,0 @@
-package xyz.zhouxy.plusone.mybatis;
-
-import org.apache.ibatis.session.SqlSessionFactory;
-
-public final class MybatisUtil {
-
-    private SqlSessionFactory sqlSessionFactory;
-
-    private MybatisUtil() {
-    }
-
-    MybatisUtil setSqlSessionFactory(SqlSessionFactory sqlSessionFactory) {
-        this.sqlSessionFactory = sqlSessionFactory;
-        return this;
-    }
-
-    private static final class Holder {
-        private static final MybatisUtil INSTANCE = new MybatisUtil();
-    }
-
-    public static MybatisUtil getInstance() {
-        return Holder.INSTANCE;
-    }
-
-    public static SqlSessionFactory getSqlSessionFactory() {
-        return MybatisUtil.getInstance().sqlSessionFactory;
-    }
-}