实例:
<select id="getListPage" resultMap="BaseResultMap"> select ru.id,ru.name,ru.code,ru.time,ru.ironmak_id, ru.typefrom t_plan_iron ru <where> <if test="data.type != null and data.type!='' ">
/*这是 数值型的判断*/
and r.type = #{data.type} </if> <if test="data.name != null and data.name != '' ">
/*这是 字符串的判断*/
and ru.name like '%${data.name}%' </if>
<if test="data.startTime != null and data.startTime != ''
and data.endTime != null and data.endTime != ''
"> /*这是 日期间型的判断*/
and ru.time between '${data.startTime}' and '${data.endTime}'
</if>
</where> </select>