1、关联表删除额外的service。

2、service中删除mybatis plus 的操作，技术和业务解耦。

yudao-module-system/yudao-module-system-impl/src/test/resources/sql/create_tables.sql

@@ -145,6 +145,20 @@ CREATE TABLE IF NOT EXISTS "system_post" (
     PRIMARY KEY ("id")
 ) COMMENT '岗位信息表';
 
+CREATE TABLE IF NOT EXISTS `system_user_post`(
+    "id"          bigint    NOT NULL GENERATED BY DEFAULT AS IDENTITY,
+    "user_id"     bigint             DEFAULT NULL,
+    "post_id"     bigint             DEFAULT NULL,
+    "creator"     varchar(64)        DEFAULT '',
+    "create_time" timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updater"     varchar(64)        DEFAULT '',
+    "update_time" timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "deleted"     bit       NOT NULL DEFAULT FALSE,
+    "tenant_id"   bigint    not null default '0',
+    PRIMARY KEY (`id`)
+) COMMENT ='部门表';
+
+
 CREATE TABLE IF NOT EXISTS "system_notice" (
 	"id" bigint NOT NULL GENERATED BY DEFAULT AS IDENTITY,
 	"title" varchar(50) NOT NULL COMMENT '公告标题',