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//七天前的数据
Bson createTimeBson = Filters.lte("creatTime", DateTimeUtils.addSomeDay(new Date(), -7));
//in 条件
Bson parentPushTypeBson = Filters.in("parentPushType", "03","04");
//用and链接
Bson bson = Filters.and(createTimeBson, parentPushTypeBson);
//批量删除
MongoUtil.getCollection("userMessage").deleteMany(bson);