add

qiaoba-modules/qiaoba-module-system/src/main/resources/mapper/SysPostMapper.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.qiaoba.module.system.mapper.SysPostMapper">
+
+    <select id="checkPostNameUnique" resultType="int">
+        select count(post_id) from sys_post
+        where post_name = #{postName}
+        <if test="postId != null and postId != ''">
+            and post_id != #{postId}
+        </if>
+        limit 1
+    </select>
+
+    <select id="checkPostCodeUnique" resultType="int">
+        select count(post_id) from sys_post
+        where post_code = #{postCode}
+        <if test="postId != null and postId != ''">
+            and post_id != #{postId}
+        </if>
+        limit 1
+    </select>
+
+</mapper>