05mybatis的resultType和resultMap

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mybatis的resultType和resultMap

1. resultType
   2.1 输出简单类型

    <select id="findCntByName" parameterType="java.lang.String"
        resultType="int">
        select count(*) from business_apply where name = #{value}
    </select>

2.2 输出pojo类型

    <select id="findIdByBa" parameterType="com.cmhy.model.BusinessApply"
        resultType="com.cmhy.model.BusinessApply">
        select * from business_apply where city = #{address.city}
    </select>

2.3 输出pojo列表：与 输出pojo类型区别是mapper.java的输出参数是list

    <select id="findIdByBa" parameterType="com.cmhy.model.BusinessApply"
        resultType="com.cmhy.model.BusinessApply">
        select * from business_apply where city = #{address.city}
    </select>