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施用ibatis防止sql注入

2012-07-04 
使用ibatis防止sql注入为了防止SQL注入,iBatis模糊查询时也要避免使用$$来进行传值。下面是三个不同数据库

使用ibatis防止sql注入
为了防止SQL注入,iBatis模糊查询时也要避免使用$$来进行传值。下面是三个不同数据库的ibatis的模糊查询传值。

    mysql: select * from stu where name like concat('%',#name #,'%')           oracle: select * from stu where name like '%'||#name #||'%'          SQL Server:select * from stu where name like '%'+#name #+'%   


如:
<!-- 用途:小二后台查询活动的数目 --><!-- 频率:1000/天 --><!-- 维护:刘飞 --><select id="countActivitySearch" resultparameterAND " property="name">                name LIKE CONCAT('%', #name#, '%')            </isNotNull>            <isNotNull prepend=" AND "  property="itemId">            itemId = #itemId#            </isNotNull>            <isNotNull prepend=" AND " property="itemName">                itemName LIKE CONCAT('%', #itemName#, '%')            </isNotNull>                     <isNotNull prepend=" AND " property="status">                status = #status#            </isNotNull>             <isNotNull prepend=" AND " property="actStatus">                actStatus = #actStatus#            </isNotNull>                      <isNotNull prepend=" AND " property="domain">                domain LIKE CONCAT('%', #domain#, '%')            </isNotNull></dynamic>    </select>        <!-- 用途:小二后台查询活动的列表 --><!-- 频率:1000/天 --><!-- 维护:刘飞 -->    <select id="searchActivityForList" resultMap="actResult" parameterAND " property="name">                name LIKE CONCAT('%', #name#, '%')            </isNotNull>            <isNotNull prepend=" AND "  property="itemId">            itemId = #itemId#            </isNotNull>            <isNotNull prepend=" AND " property="itemName">                itemName LIKE CONCAT('%', #itemName#, '%')            </isNotNull>                     <isNotNull prepend=" AND " property="status">                status = #status#            </isNotNull>             <isNotNull prepend=" AND " property="actStatus">                actStatus = #actStatus#            </isNotNull>                      <isNotNull prepend=" AND " property="domain">                domain LIKE CONCAT('%', #domain#, '%')            </isNotNull></dynamic>            <![CDATA[    order by starttime desc, createtime desc        limit         #startRow#, #perPageSize#        ]]>    </select>

不要这样来写:
<select id="searchActivityForCount" result>    <![CDATA[    select count(*) from activity    ]]>        <dynamic prepend="WHERE"><isNotNull prepend=" AND " property="name">                name LIKE '%$name$%'            </isNotNull><isNotNull prepend=" AND " property="itemId">                itemId LIKE '%$itemId$%'            </isNotNull>            <isNotNull prepend=" AND " property="itemName">                itemName LIKE '%$itemName$%'            </isNotNull>                     <isNotNull prepend=" AND " property="status">                status = #status#            </isNotNull>             <isNotNull prepend=" AND " property="actStatus">                actStatus = #actStatus#            </isNotNull>                      <isNotNull prepend=" AND " property="domain">                domain LIKE '%$domain$%'            </isNotNull></dynamic>    </select>        <select id="searchActivityForList" resultMap="actResult" parameterAND " property="name">                name LIKE '%$name$%'            </isNotNull><isNotNull prepend=" AND " property="itemId">                itemId LIKE '%$itemId$%'            </isNotNull>            <isNotNull prepend=" AND " property="itemName">                itemName LIKE '%$itemName$%'            </isNotNull>                     <isNotNull prepend=" AND " property="status">                status = #status#            </isNotNull>             <isNotNull prepend=" AND " property="actStatus">                actStatus = #actStatus#            </isNotNull>                      <isNotNull prepend=" AND " property="domain">                domain LIKE '%$domain$%'            </isNotNull></dynamic>            <![CDATA[    order by starttime desc, createtime desc        limit         #startRow#, #perPageSize#        ]]>    </select>

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Bad Request.