初始化项目

pqs9200/src/main/resources/mybatis/mappers/data/SynDataMapper.xml

@@ -0,0 +1,14 @@
+<?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.njcn.mapper.data.SynDataMapper'>
+    <!-- 删除 -->
+<update id="deleteByIndex">
+delete from Pqs_syndata where myIndex = #{myIndex} and node = #{node}
+</update>
+
+<select id="getSynData" resultType="Float">
+select synData from pqs_syndata where  myIndex = #{myIndex} and node = #{node}
+</select>
+</mapper>