添加VisitorDao.xml

src/cn/edu/hactcm/dao/VisitorDao.xml

@@ -0,0 +1,44 @@
+<?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.itheima.dao.VisitorDao" >
+
+    <!--分页查询-->
+    <select id="getVisitorList" parameterType="Visitor" resultType="Visitor">
+        select * from d_visitor
+        <where>
+            <if test="v_name!=null and v_name!='' ">
+                and  v_name like  '%${v_name}%'
+            </if>
+            <if test="v_phone!=null and v_phone!=0">
+                and  v_phone like  '%${v_phone}%'
+            </if>
+        </where>
+        ORDER BY  v_id asc
+        limit #{currentPage},#{pageSize}
+    </select>
+
+    <!--查询数据总数-->
+    <select id="totalCount"  resultType="Integer">
+        select count(v_id) from d_visitor
+        <where>
+            <if test="v_name!=null and v_name!='' ">
+                and  v_name like  '%${v_name}%'
+            </if>
+            <if test="v_phone!=null and v_phone!=0">
+                and  v_phone like  '%${v_phone}%'
+            </if>
+        </where>
+    </select>
+
+    <!--添加学生信息-->
+    <insert id="addVisitor" parameterType="Visitor" keyProperty="v_id" useGeneratedKeys="true">
+        insert into d_visitor (v_name,v_phone,v_dormitoryid,v_dormbuilding,create_time)
+        values(#{v_name},#{v_phone},#{v_dormitoryid},#{v_dormbuilding},now())
+    </insert>
+
+    <select id="getAll" resultType="Visitor">
+        select * from d_visitor;
+    </select>
+
+</mapper>