3
有人可以告訴我爲什麼這個代碼失敗。調用initWithString後,url爲零。變量documentsDirectory正在成功填充。NSURL:initWithString失敗,從NSSearchPathForDirectoriesInDomains獲得的字符串
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths lastObject];
NSURL* url = [[NSURL alloc]initWithString:documentsDirectory];
感謝