diff --git a/src/main/java/com/dao/IVisitorDao.java b/src/main/java/com/dao/IVisitorDao.java
new file mode 100644
index 0000000..ae2bcd4
--- /dev/null
+++ b/src/main/java/com/dao/IVisitorDao.java
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+package com.dao;
+
+import com.entity.Visitor;
+import com.utils.Page;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @ClassName IVisitorDao
+ * @Description TODO
+ * @Author YHT
+ * @Date 2021/7/9 21:45
+ */
+@Repository
+public interface IVisitorDao {
+    /**
+     * 查询所有访客信息
+     * @param page
+     * @return
+     */
+    List<Visitor> listVisitor(Page page);
+
+    /**
+     * 获取记录总数
+     * @return
+     */
+    int getVisitorTotal();
+
+    /**
+     * 添加访客信息
+     * @param visitor
+     */
+    void addVisitor(Visitor visitor);
+
+    /**
+     * 根据姓名查询访客信息
+     * @param map
+     * @return
+     */
+    List<Visitor> searchByName(Map<String, Object> map);
+}