1. mapper xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE mapper PUBLIC "-//ibatis.apache.org//DTD Mapper 3.0//EN" "http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd"> <mapper namespace="BillingDAO"> <select id="findBilling" parameterType="java.util.Map" resultType="BillingBean"> select * from table </select> <update id="updateBilling" parameterType="java.util.Map"> update .. set .. where .. = #{..} </update> </mapper>