关于MyBatis入参parameterType、出参resultType是list类型的写法

1.mybatis的parameterType类型为list时,

注意:<foreach collection="list" item="item" separator=","> 里面不能有open="(" close=")"
<insert id="insertListContacts" parameterType="java.util.List">
        insert into t_org_contact ( Forg_id, Fcontact_type, Fcontact_name,Fcontact_mobile,Fcontact_email,
        Fproduct, Fcontract_num )
        values
        <foreach collection="list" item="item" separator=",">
            (#{item.orgId,jdbcType=BIGINT},
            #{item.contactType,jdbcType=BIGINT},
            #{item.contactName,jdbcType=VARCHAR},
            #{item.contactMobile,jdbcType=VARCHAR},
            #{item.contactEmail,jdbcType=VARCHAR},
            #{item.product,jdbcType=VARCHAR},
            #{item.contractNum,jdbcType=VARCHAR} )
        </foreach>
    </insert>

2.mybatis的resultType类型为list时,

注意这里的 resultType 返回值类型是集合内存储数据的类型,不是 'list'
<select id="getAllEmps" resultType="employee">
        select * from t_employee
    </select>

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转载自blog.csdn.net/qq_32332777/article/details/83416483
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