mybatis. Parameter 'xxxList' not found. Available parameters are [c

今天遇到遇到一个myabitis 批量Insert时报出的

Parameter ‘promotionActivityRuleList’ not found. Available parameters are [collection, list]

org.apache.ibatis.binding.BindingException: Parameter 'List' not found. Available parameters are [collection, list]

测试代码：

@Test
public void  testAddRule(){
RulePlatformDto rulePlatformDto  = new RulePlatformDto();
rulePlatformDto.setActivityId(2);
rulePlatformDto.setActivityType(1);
rulePlatformDto.setResidueStock(100);
rulePlatformDto.setExtendJson("{'name':'android ios java'}");
rulePlatformDto.setC_t(2323113);
rulePlatformDto.setU_t(123231);
rulePlatformDto.setCreateId(23);
rulePlatformDto.setCreateName("21");
rulePlatformDto.setUpdateId(12);
rulePlatformDto.setUpdateName("meicai");
rulePlatformDto.setC_t(231);
rulePlatformDto.setU_t(213);
rulePlatformDto.setCreateId(777);
rulePlatformDto.setIs_deleted(0);
List<ActivityRulePlatformDto> list = new ArrayList<>();
list.add(rulePlatformDto);
BaseResultPlatformDto<Boolean>  booleanBaseResultPlatformDto=  rulePlatformApi.addPromotionActivityRule(list);
LogUtils.e(booleanBaseResultPlatformDto.toString());
}

Dao 文件：

int batchInsert(List<PromotionRule> promotionRuleList);

Mapper文件：

<insert id="batchInsert" parameterType="java.util.List">
INSERT INTO t_promotion_rule
(id, f_activity_id, activity_type, residue_stock, extend_json, create_id, create_name, update_id, update_name, c_t, u_t, is_deleted)
VALUES
<foreach collection="promotionRuleList" item="item" index="index" separator="union all">
(#{item.id},
#{item.factivityId},
#{item.activityType},
#{item.residueStock},
#{item.extendJson},
#{item.createId},
#{item.createName},
#{item.updateId},
#{item.updateName},
UNIX_TIMESTAMP(),
UNIX_TIMESTAMP(),
0)
</foreach>
</insert>

mybatis 文档描述的是List 将会被转为Map， 这里我转入collection=”promotionRuleList” 将被转换成

Map<”list”: promotionRuleList>

http://www.mybatis.org/mybatis-3/zh/sqlmap-xml.html#Parameters

收集了两种解决方案：

方案一：

collection="promotionRuleList" 改写为 collection="list"

方案二：

在Dao层将参数封装到Map数据结构中
在mapper.xml 使collection="map"