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常用注解常用注解1、@RestController和@RequestMapping是Spring MVC的注解，不是Spring Boot特有的。2、@RestController = @Controller + @ResponseBody3、@SpringBootApplication = @SpringBootConfiguration + @EnableAutoConfigurati...

springboot整合mybatis连接多个数据库数据库准备DROP TABLE IF EXISTS `order_exp`;CREATE TABLE `order_exp` ( `id` bigint(22) NOT NULL AUTO_INCREMENT COMMENT '订单的主键', `order_no` varchar(50) NOT NULL COMMENT '订单的编...