模块化拆分

blog-common/src/main/resources/mapper/CategoryMapper.xml

@@ -0,0 +1,93 @@
+<?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="cn.celess.common.mapper.CategoryMapper">
+    <resultMap id="categoryResultMap" type="cn.celess.common.entity.Category">
+        <id column="t_id" property="id"/>
+        <result column="t_name" property="name"/>
+        <result column="is_category" property="category"/>
+        <result column="is_delete" property="deleted"/>
+    </resultMap>
+
+    <insert id="insert" useGeneratedKeys="true" keyProperty="id">
+        insert into tag_category (t_name, is_category)
+        values (#{name}, true);
+    </insert>
+
+    <update id="update">
+        update tag_category
+        set t_name=#{name}
+        where t_id = #{id}
+          and is_category = true
+    </update>
+
+    <update id="delete">
+        update tag_category
+        set is_delete= true
+        where t_id = #{id}
+          and is_category = true
+    </update>
+
+    <select id="findCategoryByName" resultMap="categoryResultMap">
+        select *
+        from tag_category
+        where t_name = #{name}
+          and is_category = true
+    </select>
+
+    <select id="findCategoryById" resultMap="categoryResultMap">
+        select *
+        from tag_category
+        where t_id = #{id}
+          and is_category = true
+    </select>
+
+    <select id="findAll" resultMap="categoryResultMap">
+        select *
+        from tag_category
+        where is_category = true
+    </select>
+
+    <select id="getAllName" resultType="java.lang.String">
+        select t_name
+        from tag_category
+        where is_category = true
+    </select>
+
+    <select id="getNameById" resultType="java.lang.String">
+        select t_name
+        from tag_category
+        where is_category = true
+          and t_id = #{id}
+    </select>
+
+    <select id="getIdByName" resultType="java.lang.Long">
+        select t_id
+        from tag_category
+        where is_category = true
+          and t_name = #{name}
+    </select>
+
+    <select id="existsByName" resultType="java.lang.Boolean">
+        SELECT EXISTS(SELECT * FROM tag_category WHERE t_name = #{name} and is_category = true)
+    </select>
+
+    <select id="existsById" resultType="java.lang.Boolean">
+        SELECT EXISTS(SELECT * FROM tag_category WHERE t_id = #{id})
+    </select>
+
+    <select id="getLastestCategory" resultMap="categoryResultMap">
+        select *
+        from tag_category
+        where is_category = true
+        order by t_id desc
+        limit 1;
+    </select>
+
+    <select id="count" resultType="java.lang.Long">
+        select count(*)
+        from tag_category
+        where is_category = true
+          and is_delete = false;
+    </select>
+
+</mapper>