NSDate 来自 NSString ，显示前一天 [英] NSDate from NSString , shows the previous day

问题描述

我有来自 NSString 的简单 NSDate 如下

I have s imple NSDate from NSString as below

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
                    [dateFormatter setDateFormat:@"yyyy-MM-dd"];
                    issueDatabase.album_date = [dateFormatter dateFromString:albumXML.album_date];

但由于某种原因，如果我的

but for some reason I'm getting the previous day instead of the current for eample if my

albumXML.album_date 等于 2011-09-01 我将以下内容存储在我的数据库中 2011-08-31

albumXML.album_date is equal 2011-09-01 I'm getting the following stored in my database 2011-08-31

推荐答案

您需要为 dateFormatter 设置时区:

You need to set a timezone to your dateFormatter:

[dateFormatter setTimeZone:[NSTimeZone defaultTimeZone]];

如果不这样做，您可能会获得 GMT 时区，这可能会出现在过去，具体取决于您在地球上的位置...

If you don't, you're probably getting the GMT timezone, which could appear in the past depending on where you are on the planet...

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