mysql写法：
<isNotEmpty prepend="and" property="s_send_date">
<![CDATA[t.send_date>='$s_send_date$']]>
</isNotEmpty>
<isNotEmpty prepend="and" property="e_send_date">
<![CDATA[t.send_date<='$e_send_date$']]>
</isNotEmpty>
oralce写法：
<isNotEmpty prepend="and" property="s_send_date">
<![CDATA[t.send_date,month_betweens(to_date('$s_send_date$','yyyy-MM-dd')]>=0]>
</isNotEmpty>
<isNotEmpty prepend="and" property="e_send_date">
<![CDATA[t.send_date,month_betweens(to_date('$s_send_date$','yyyy-MM-dd')]<=0]>
</isNotEmpty>
<isNotEmpty prepend="and" property="s_send_date">
<![CDATA[t.send_date>='$s_send_date$']]>
</isNotEmpty>
<isNotEmpty prepend="and" property="e_send_date">
<![CDATA[t.send_date<='$e_send_date$']]>
</isNotEmpty>
oralce写法：
<isNotEmpty prepend="and" property="s_send_date">
<![CDATA[t.send_date,month_betweens(to_date('$s_send_date$','yyyy-MM-dd')]>=0]>
</isNotEmpty>
<isNotEmpty prepend="and" property="e_send_date">
<![CDATA[t.send_date,month_betweens(to_date('$s_send_date$','yyyy-MM-dd')]<=0]>
</isNotEmpty>