1. 删除指定 _id 的文档
coll.delete_one({"_id": doc['_id']})
2. 删除符合正则搜索条件的文档
for doc in coll.find({"path": {"$regex": "^" + path}}, {"path": 1, "size": 1}):
coll.delete_one({"_id": doc['_id']})
_id 的文档coll.delete_one({"_id": doc['_id']})
for doc in coll.find({"path": {"$regex": "^" + path}}, {"path": 1, "size": 1}):
coll.delete_one({"_id": doc['_id']})