重新初始化 system 服务

system-service-project/system-service-app/src/main/java/cn/iocoder/mall/systemservice/SystemServiceApplication.java

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+package cn.iocoder.mall.systemservice;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SystemServiceApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SystemServiceApplication.class, args);
+    }
+
+}

system-service-project/system-service-app/src/main/java/cn/iocoder/mall/systemservice/config/DatabaseConfiguration.java

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+package cn.iocoder.mall.systemservice.config;
+
+import com.baomidou.mybatisplus.core.injector.DefaultSqlInjector;
+import com.baomidou.mybatisplus.core.injector.ISqlInjector;
+import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+@Configuration
+@MapperScan("cn.iocoder.mall.systemservice.dal.mysql.mapper") // 扫描对应的 Mapper 接口
+@EnableTransactionManagement(proxyTargetClass = true) // 启动事务管理。
+public class DatabaseConfiguration {
+
+    // 数据库连接池 Druid
+
+    @Bean
+    public ISqlInjector sqlInjector() {
+        return new DefaultSqlInjector(); // MyBatis Plus 逻辑删除
+    }
+
+    @Bean
+    public PaginationInterceptor paginationInterceptor() {
+        return new PaginationInterceptor(); // MyBatis Plus 分页插件
+    }
+
+}

system-service-project/system-service-app/src/main/java/cn/iocoder/mall/systemservice/config/ServiceExceptionConfiguration.java

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+package cn.iocoder.mall.systemservice.config;
+
+import cn.iocoder.common.framework.util.ServiceExceptionUtil;
+import cn.iocoder.mall.systemservice.enums.SystemErrorCodeEnum;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.event.EventListener;
+
+import java.util.Arrays;
+
+@Configuration
+public class ServiceExceptionConfiguration {
+
+    @EventListener(ApplicationReadyEvent.class)
+    public void initMessages() {
+        Arrays.stream(SystemErrorCodeEnum.values()).forEach(
+                item -> ServiceExceptionUtil.put(item.getCode(), item.getMessage()));
+    }
+
+}

system-service-project/system-service-app/src/main/java/cn/iocoder/mall/systemservice/rpc/oauth/OAuth2RpcImpl.java

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+package cn.iocoder.mall.systemservice.rpc.oauth;
+
+import org.apache.dubbo.config.annotation.Service;
+
+@Service(version = "${dubbo.provider.OAuth2Rpc.version}", validation = "false")
+public class OAuth2RpcImpl implements OAuth2Rpc {
+}

system-service-project/system-service-app/src/main/java/cn/iocoder/mall/systemservice/rpc/package-info.java

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+package cn.iocoder.mall.systemservice.rpc;