缺少上传文件组件的完整代码，期待获取，完成签到页的全面优化

ruoyi-system/src/main/java/com/ruoyi/system/service/ISysUserService.java

@@ -4,6 +4,7 @@ import com.ruoyi.common.core.domain.PageQuery;
 import com.ruoyi.common.core.domain.entity.SysUser;
 import com.ruoyi.common.core.page.TableDataInfo;
 
+import java.util.Date;
 import java.util.List;
 
 /**

ruoyi-system/src/main/resources/mapper/system/SysOaFileMapper.xml

@@ -0,0 +1,20 @@
+<?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.ruoyi.oa.mapper.SysOaFileMapper">
+
+    <resultMap type="com.ruoyi.oa.domain.SysOaFile" id="SysOaFileResult">
+        <result property="fileId" column="file_id"/>
+        <result property="fileUrl" column="file_url"/>
+        <result property="status" column="status"/>
+        <result property="createTime" column="create_time"/>
+        <result property="updateTime" column="update_time"/>
+        <result property="createBy" column="create_by"/>
+        <result property="updateBy" column="update_by"/>
+        <result property="delFlag" column="del_flag"/>
+        <result property="remark" column="remark"/>
+    </resultMap>
+
+
+</mapper>