添加VisitorDao.xml

master
pco4bax5y 2 years ago
parent 1ab0d04ee1
commit 6be73c113f

@ -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>
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