From 6be73c113f0eba5cf49eeb26bc5519a460cb640d Mon Sep 17 00:00:00 2001
From: pco4bax5y <2276598359@qq.com>
Date: Sat, 29 Apr 2023 23:18:06 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0VisitorDao.xml?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 src/cn/edu/hactcm/dao/VisitorDao.xml | 44 ++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/cn/edu/hactcm/dao/VisitorDao.xml

diff --git a/src/cn/edu/hactcm/dao/VisitorDao.xml b/src/cn/edu/hactcm/dao/VisitorDao.xml
new file mode 100644
index 0000000..493d10d
--- /dev/null
+++ b/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>