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src/main/java/com/peanut/modules/sys/dao/SysConfigDao.java

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+/**
+ * Copyright (c) 2016-2019 人人开源 All rights reserved.
+ *
+ * https://www.renren.io
+ *
+ * 版权所有，侵权必究！
+ */
+
+package com.peanut.modules.sys.dao;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.peanut.modules.sys.entity.SysConfigEntity;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+/**
+ * 系统配置信息
+ *
+ * @author Mark sunlightcs@gmail.com
+ */
+@Mapper
+public interface SysConfigDao extends BaseMapper<SysConfigEntity> {
+
+	/**
+	 * 根据key，查询value
+	 */
+	SysConfigEntity queryByKey(String paramKey);
+
+	/**
+	 * 根据key，更新value
+	 */
+	int updateValueByKey(@Param("paramKey") String paramKey, @Param("paramValue") String paramValue);
+	
+}