mybatis注意事项
判断
<if test="dto.value != null">if> <if test="dto.value == null">if>枚举值比较
<if test="dto.value == @com.baiawnx.common.enums.TypeEnum@one">if>if-else
<choose> <when test="dto.column == 1"> and 1 = 1 when> <when test="dto.column == 2"> and 2 = 2 when> <otherwise> and 3 = 3 otherwise> choose>