本篇文章用到的技术栈 mysql+mybatis[mp]+springboot+springcloud alibaba 需要用到的数据库 订单数据库: SET NAMES utf8mb4; SET FOREIGN_KEY_CHECKS = 0; -- ---------------------------- -- Table structure for shop_order -- ---------------------------- DROP TABLE IF EXISTS `shop_order`; CREATE TABLE `shop_order` ( `oid` bigint(0) NOT NULL AUTO_INCREMENT COMMENT '订单id', `uid` int(0) NULL DEFAULT NULL COMMENT '用户id', `username` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '用户名',...