sqLogisticsProject/saicLogistics/src/main/java/com/fuzamei/mapper/UserMapper.xml

<?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.fuzamei.mapperInterface.UserMapper">
	<!--查询所有角色  -->
	<select id="getAllRoles" resultType="com.fuzamei.entity.Role">
		select role_id ,role_name  from role;
	</select>
	
	<!--添加（id前端传来）角色，账号，密码，名称  -->
	<insert id="insertUsers">
		insert into  users(user_id,role_id,username,password,person_name)  values(#{userId},#{roleId},#{username},#{password},#{personName})
	</insert>
	
	<!--先去数据库查询 看是否已有的账号不能在重复添加了    -->
	<select id="findUserById" parameterType="com.fuzamei.entity.User" resultType = "com.fuzamei.entity.User">
		select * from users where user_id = #{userId} or  username = #{username}
	</select>
	
	<!--先去数据库查询 看是否已有的账号不能在修改了  -->
	<select id="findUserByuserIdandusername" parameterType="com.fuzamei.entity.User" resultType = "com.fuzamei.entity.User">
		select * from users where user_id != #{userId} and  username = #{username}
	</select>
	
	<!-- 查询账号设置的列表 -->
	<select id="queryUsers" parameterType="java.util.Map" resultType="com.fuzamei.entity.User">
		select   y.user_id,
		         r.role_name,
		         y.username,
		         y.password,
		         y.person_name,
		         y.create_time,
		         y.update_time 
		 from    users y  
		 left  join  role  r on  r.role_id=y.role_id
		 <where>
		      <if test="roleId!=null and roleId!=''">
		      	   y.role_id=#{roleId}
		      </if>
		       <if test="username!=null and username!=''">
		      	and  username=#{username}
		      </if>
		      <if test="personName!=null and personName!=''">
		      	and  person_name=#{personName}
		      </if>
		 </where>
	</select>
	<!--根据用户id修改角色，账号，密码，名称  -->
	<update id="updateAccountByUserId" parameterType="com.fuzamei.entity.User">
		update users set role_id = #{roleId}, username=#{username} , password=#{password} , person_name=#{personName},update_time=#{updateTime} where user_id=#{userId}
	</update>
	
	

	
</mapper>