刚开始玩mysql if条件即是具体值 的判断
刚开始玩mysql if条件等于具体值 的判断
mysql等于具体某值的判断时,要加上.toString()函数
<if test="dataSort !=null and dataSort !='' and dataSort =='1'.toString()"> order by price asc </if> <if test="dataSort == null or dataSort =='0'.toString()"> order by addtime desc </if>