id生成重复问题

epmet-commons/epmet-commons-mybatis/src/main/java/com/epmet/commons/mybatis/config/MybatisPlusConfig.java

@@ -1,29 +1,38 @@
 /**
  * Copyright (c) 2018 人人开源 All rights reserved.
- *
+ * <p>
  * https://www.renren.io
- *
+ * <p>
  * 版权所有，侵权必究！
  */
 
 package com.epmet.commons.mybatis.config;
 
 import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator;
 import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
 import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import com.epmet.commons.mybatis.interceptor.DataFilterInterceptor;
+import com.epmet.commons.tools.redis.RedisUtils;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.Order;
 
+import java.util.Random;
+
 /**
  * mybatis-plus配置
  *
  * @author Mark sunlightcs@gmail.com
  * @since 1.0.0
  */
+@Slf4j
 @Configuration
 public class MybatisPlusConfig {
+    @Autowired
+    private RedisUtils redisUtils;
 
     /**
      * 配置数据权限
@@ -45,4 +54,18 @@ public class MybatisPlusConfig {
         return interceptor;
     }
 
+    /**
+     * id生成器指定2个参数 防止id重复
+     */
+    @Bean
+    @Order(0)
+    public DefaultIdentifierGenerator myIdentifierGenerator() {
+        Random random = new Random();
+        int workerId = random.nextInt(30) + 1;
+        int dataCenterId = random.nextInt(30) + 1;
+        DefaultIdentifierGenerator interceptor = new DefaultIdentifierGenerator(workerId, dataCenterId);
+        log.info("workerId:{},dataCenterId:{}", workerId, dataCenterId);
+        return interceptor;
+    }
+
 }

epmet-user/epmet-user-server/src/main/java/com/epmet/UserApplication.java

@@ -8,7 +8,6 @@
 
 package com.epmet;
 
-import com.epmet.util.MySequence;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.web.servlet.ServletComponentScan;
@@ -32,7 +31,6 @@ public class UserApplication {
 
     public static void main(String[] args) {
         SpringApplication.run(UserApplication.class, args);
-        MySequence identifierGenerator = new MySequence();
     }
 
 }