1、去掉空字符串判断
<if test="version != null">xxxxx</if>
2、添加0值判断
<if test="version != null and version != '' or version == 0">xxxxx</if>
1、去掉空字符串判断
<if test="version != null">xxxxx</if>
2、添加0值判断
<if test="version != null and version != '' or version == 0">xxxxx</if>