<if test="orderBy != null"> order by <choose> <when test='orderBy=="age"'>age</when> <when test='orderBy=="size"'>size</when> <when test='orderBy=="price"'>price</when> <otherwise> ${orderBy} </otherwise> </choose> </if>
<if test="orderBy != null"> order by <choose> <when test='orderBy=="age"'>age</when> <when test='orderBy=="size"'>size</when> <when test='orderBy=="price"'>price</when> <otherwise> ${orderBy} </otherwise> </choose> </if>