后台首页更 新，新增会员总数/作家总数/作品总数/交易总数统计，新增7日内会员新增/作家新增/作品新增/交易新增统计报表

D:\gitee\admin-base\java2nb\src/main/java/com/java2nb/system/dao/UserDao.java

@@ -0,0 +1,32 @@
+package com.java2nb.system.dao;
+
+import com.java2nb.system.domain.UserDO;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 
+ * @author xiongxy
+ * @email 1179705413@qq.com
+ * @date 2020-12-01 03:46:33
+ */
+@Mapper
+public interface UserDao {
+
+	UserDO get(Long id);
+	
+	List<UserDO> list(Map<String,Object> map);
+	
+	int count(Map<String,Object> map);
+	
+	int save(UserDO user);
+	
+	int update(UserDO user);
+	
+	int remove(Long id);
+	
+	int batchRemove(Long[] ids);
+}