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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
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<mapper namespace="com.itheima.dao.VisitorDao" >
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<!--分页查询-->
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<select id="getVisitorList" parameterType="Visitor" resultType="Visitor">
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select * from d_visitor
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<where>
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<if test="v_name!=null and v_name!='' ">
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and v_name like '%${v_name}%'
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</if>
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<if test="v_phone!=null and v_phone!=0">
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and v_phone like '%${v_phone}%'
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</if>
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</where>
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ORDER BY v_id asc
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limit #{currentPage},#{pageSize}
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</select>
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<!--查询数据总数-->
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<select id="totalCount" resultType="Integer">
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select count(v_id) from d_visitor
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<where>
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<if test="v_name!=null and v_name!='' ">
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and v_name like '%${v_name}%'
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</if>
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<if test="v_phone!=null and v_phone!=0">
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and v_phone like '%${v_phone}%'
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</if>
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</where>
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</select>
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<!--添加学生信息-->
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<insert id="addVisitor" parameterType="Visitor" keyProperty="v_id" useGeneratedKeys="true">
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insert into d_visitor (v_name,v_phone,v_dormitoryid,v_dormbuilding,create_time)
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values(#{v_name},#{v_phone},#{v_dormitoryid},#{v_dormbuilding},now())
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</insert>
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<select id="getAll" resultType="Visitor">
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select * from d_visitor;
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</select>
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</mapper>
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