我使用的代碼相同的這個最佳答案轉換的NSString的NSDate不工作
Converting NSString to NSDate (and back again)
NSString *dateString = @"01-02-2010";
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
// this is imporant - we set our input date format to match our input string
// if format doesn't match you'll get nil from your string, so be careful
[dateFormatter setDateFormat:@"dd-MM-yyyy"];
NSDate *dateFromString = [[NSDate alloc] init];
// voila!
dateFromString = [dateFormatter dateFromString:dateString];
但dateFromString結果2010-01-31 17:00:00 +0000 爲什麼不一樣天。
我無法比較日期。因爲當前時區的