sg_zjjg_sjqy/target/classes/mapper/oracle/TradeMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.cool.bang.modules.oracle.mapper.TradeMapper">

    <!-- 查询交易信息 -->
    <select id="selectFromTrade" resultType="com.cool.bang.modules.oracle.domain.Trade">
        select * from trade
        <where>
            <if test="tradenum != null and tradenum != ''">
                and tradenum = #{tradenum}
            </if>
            <if test="tradestate != null and tradestate != ''">
                and tradestate = #{tradestate}
            </if>
        </where>
    </select>
</mapper>