问题
I have an ipad app that has a database. I created a web-service on my mac mini using php,apache,mysql.
What I would like to do is sync the database on the ipad with the one I have on the remote computer maybe once everyday. Can someone please provide me with an example,sample code or even advice on how to go about doing this?
回答1:
I would need more info to give you an accurate answer. What kind of database are you using ?
I can only give you a general answer since you really don't provide a lot of info,
What you would usually do when you need to send/request data from iOS to a Web Service, is send an HTTP Request using NSURLConnection or other wrapper classes such as AFNetwork.
Also the term "syncing" is quite a big subject, what do you mean by syncing? Always making sure the data on the iOS Database is the same as the web service database? If so you could have the client save some sort of E-Tag (last modified date), and ask the server only for data from that day onwards. Or the other way around, depends on the type of syncing you wish to accomplish.
I hope some of this makes sense for you, since your question was really general, my answer features a bit of general info , but might be helpful for you :)
来源：https://stackoverflow.com/questions/8772983/sync-database-on-ipad-with-remote-database