mybatis中传入参数List,报错org.apache.ibatis.binding.BindingException: Parameter

Mapper的java文件

List<BusModelManage> getMemberModel(List<Long> ids);

xml文件:

<select id="getMemberModel" resultType="com.whzsh.mpg.bus.entity.BusModelManage">
        SELECT
         bmm.`model_name`,
         bmm.`icon`,
         bmm.`address`,
         bmm.`show`
        FROM
        `bus_model_manage` bmm
        WHERE
        bmm.`show` =1
        AND
        bmm.`id` in
        <foreach item="item" collection="ids" separator="," open="(" close=")" index="">
            #{
    
    item}
        </foreach>
    </select>

但是报错org.apache.ibatis.binding.BindingException: Parameter 'ids' not found. Available parameters are [collection, list]

应该是没识别参数,解决方案有两种:
方法一:修改Mapper文件:
把ids前面加上@Param,就可以

List<BusModelManage> getMemberModel(@Param("ids") List<Long> ids);

方法二:修改xml文件

 <select id="getMemberModel" resultType="com.whzsh.mpg.bus.entity.BusModelManage">
        SELECT
         bmm.`model_name`,
         bmm.`icon`,
         bmm.`address`,
         bmm.`show`
        FROM
        `bus_model_manage` bmm
        WHERE
        bmm.`show` =1
        AND
        bmm.`id` in
        <foreach item="item" collection="list" separator="," open="(" close=")" index="">
            #{
    
    item}
        </foreach>
    </select>

在这里插入图片描述
把collection改为list就可以了

传入list有两种情况

方法一、自带()

    <insert id="IdentityModel">
        insert into bus_identity_model(model_id,identity_id) values
        <foreach
                collection="list"
                item="item"
                index="index"
                separator=",">
            (#{
    
    item.modelId},#{
    
    item.identityId})
        </foreach>
    </insert>

方法二、传入()

<select id="getMemberModel" resultType="com.whzsh.mpg.bus.entity.BusModelManage">
        SELECT
         bmm.`model_name`,
         bmm.`icon`,
         bmm.`address`,
         bmm.`show`
        FROM
        `bus_model_manage` bmm
        WHERE
        bmm.`show` =1
        AND
        bmm.`id` in
        <foreach item="item" collection="ids" separator="," open="(" close=")" index="">
            #{
    
    item}
        </foreach>
    </select>

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转载自blog.csdn.net/weixin_42260782/article/details/113609977