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mybatis模糊查询
source link: https://blog.51cto.com/u_15903462/5989463
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mybatis模糊查询
精选 原创1.第一种使用like concat
<select id="selectLogininforList" parameterType="SysLogininfor" resultMap="SysLogininforResult">
select info_id, user_name, ipaddr, login_location, browser, os, status, msg, login_time from sys_logininfor
<where>
<if test="ipaddr != null and ipaddr != ''">
AND ipaddr like concat('%', #{ipaddr}, '%')
</if>
<if test="status != null and status != ''">
AND status = #{status}
</if>
<if test="userName != null and userName != ''">
AND user_name like concat('%', #{userName}, '%')
</if>
<if test="params.beginTime != null and params.beginTime != ''"><!-- 开始时间检索 -->
and date_format(login_time,'%y%m%d') >= date_format(#{params.beginTime},'%y%m%d')
</if>
<if test="params.endTime != null and params.endTime != ''"><!-- 结束时间检索 -->
and date_format(login_time,'%y%m%d') <= date_format(#{params.endTime},'%y%m%d')
</if>
</where>
order by info_id desc
</select>
2.第二种，也是工作中遇到的问题，第一种不生效，可能是因为oracle数据库不兼容的问题
<select id=“countCoupon” resultType=“int”>
SELECT count(*)
FROM TCOUPONS_WEB_CONTROL where 1=1
<if test=“couponsName != null and couponsName != ‘’”>
<bind name=“blockNameLike” value=“‘%’+couponsName+‘%’”/>
AND COUPONS_NAME like #{blockNameLike}
</if>
</select>
使用bind可以预防sql注入。
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