我创建了一个名为importStories()
的方法,该方法调用getStatusesUserTimelineWithUserID
方法,使用第三方库Swifter从Twitter导入时间轴数据。问题在于,在将任何值设置为twitterData之前,方法正在返回。任何建议表示赞赏。Swift函数似乎无序执行
func importStories() -> [String] {
let twitterAccount = Swifter(REDACTED)
var twitterData = [String]()
twitterAccount.getStatusesUserTimelineWithUserID("REDACTED", count: 0, sinceID: nil, maxID: nil, trimUser: true, contributorDetails: false, includeEntities: true, success: { (statuses) -> Void in
if statuses != nil {
for var i=0; i<statuses!.count; i++ {
twitterData.append(statuses![i]["text"].string!)
}
}
}) { (error) -> Void in
}
return twitterData
}
public func getStatusesUserTimelineWithUserID(userID: String, count: Int?, sinceID: Int?, maxID: Int?, trimUser: Bool?, contributorDetails: Bool?, includeEntities: Bool?, success: ((statuses: [JSONValue]?) -> Void)?, failure: FailureHandler?) {
var parameters: Dictionary<String, AnyObject> = ["user_id": userID]
self.getTimelineAtPath("statuses/user_timeline.json", parameters: [:], count: count, sinceID: sinceID, maxID: maxID, trimUser: trimUser, contributorDetails: contributorDetails, includeEntities: includeEntities, success: success, failure: failure)
}
发生这种情况是因为getStatusesUserTimelineWithUserID是一种异步方法,这意味着您调用它,但不知道结果何时返回。解决这个问题的一种方法是使用委托模式(http://en.wikipedia.org/wiki/Delegation_pattern#Objective-C_example)。 – CjCoax 2014-10-18 04:02:35
@CjCoax谢谢!我会试一试。 – TBDO 2014-10-18 04:06:07