最近遇到拼接ibatis中的sql语句的问题,想要得到的sql如下形式:
select * from table where xxx = "xxx" and (xxx="xxx" or xx1="xx1")
开始对于括号怎么加也确实不太明白,后面参考别人的博客
http://lyfei022.blog.163.com/blog/static/82558312009313104138320/才改正确
<select id="condition">
<![CDATA[
select * from table where 1=1
]]>
<dynamic prepend="and">
<isNotEmpty prepend="and" property="starttime">
<![CDATA[ starttime >= #starttime# ]]>
</isNotEmpty>
<isNotEmpty prepend="and" property="endtime">
<![CDATA[ starttime <= #endtime# ]]>
</isNotEmpty>
<isNotEmpty prepend="and" property="rentcompany">
<![CDATA[ rentcompany like '%$rentcompany$%' ]]>
</isNotEmpty>
</dynamic>
<dynamic prepend="and" open="(" close=")">
<isNotNull prepend="or" property="bilkcar">
<![CDATA[ bilkcar = 1 ]]>
</isNotNull>
<isNotNull prepend="or" property="guarantycar">
<![CDATA[ guarantycar = 1 ]]>
</isNotNull>
<isNotNull prepend="or" property="filchpart">
<![CDATA[ filchpart = 1 ]]>
</isNotNull>
<isNotNull prepend="or" property="causetrouble">
<![CDATA[ causetrouble = 1 ]]>
</isNotNull>
<isNotNull prepend="or" property="nohandle">
<![CDATA[ nohandle = 1 ]]>
</isNotNull>
<isNotNull prepend="or" property="inarrears">
<![CDATA[ inarrears = 1 ]]>
</isNotNull>
</dynamic>
</select>
<dynamic prepend="and">这个and不能少