List<TouristInfo> touristInfoList = new ArrayList<>();
       
        TouristInfo touristInfo = new TouristInfo();
        touristInfo.setAge(20);
        touristInfo.setName("张三222");
        touristInfo.setIdcard("1354461364");
        touristInfo.setTime(localDateTime);
        touristInfoList.add(touristInfo);
       
        TouristInfo touristInfo1 = new TouristInfo();
        touristInfo1.setAge(22);
        touristInfo1.setName("张d三222");
        touristInfo1.setIdcard("1354dddd461364");
        touristInfo1.setTime(localDateTime);
        touristInfoList.add(touristInfo1);

        Integer integer = touristInfoService.insertTouristInfo(touristInfoList);

 @Insert("<script> " +
            "insert into tourist_info" +
            "(name,idcard,age,time)" +
            "values" +
            "<foreach item='item' inde='index' collection='touristInfoList'  separator=',' >" +
            "(" +
            "#{item.name}, " +
            "#{item.idcard}, " +
            "#{item.age}, " +
            "#{item.time}" +
            ") " +
            "</foreach>" +
            "</script>")
    Integer insertTouristInfo(@Param("touristInfoList") List<TouristInfo> touristInfoList);

必须要在mapper中参数前加上@param（）