mongodbjava原因

方法是很简单的，就是用类似createCollection("account")来创建，但是mongodb中并没有创建成功，不知道是什么原因？

使用update 更新一条数据进去的时候原数据没有被覆盖依然保存。代码如下 `DBObject key = new BasicDBObject(); key.put("phone", phone); key.put("phoneCode", phoneCode); BasicDBObject updates = new BasicDBObject(); BasicDBObject doc = n...

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