ADD file via upload

blogserver/target/classes/org/sang/mapper/TagsMapper.xml

@@ -0,0 +1,27 @@
+<?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="org.sang.mapper.TagsMapper">
+    <delete id="deleteTagsByAid" parameterType="Long">
+      DELETE FROM article_tags WHERE aid=#{aid}
+    </delete>
+    <insert id="saveTags">
+        INSERT IGNORE INTO tags(tagName) VALUES
+        <foreach collection="tags" item="tag" separator=",">
+            (#{tag})
+        </foreach>
+    </insert>
+    <select id="getTagsIdByTagName" resultType="long">
+        SELECT id FROM tags WHERE tagName IN
+        <foreach collection="tagNames" item="tagName" separator="," open="(" close=")">
+            #{tagName}
+        </foreach>
+    </select>
+    <insert id="saveTags2ArticleTags">
+        INSERT INTO article_tags(aid,tid) VALUES
+        <foreach collection="tagIds" item="tagId" separator=",">
+            (#{aid},#{tagId})
+        </foreach>
+    </insert>
+</mapper>