在xcode中以MM / dd / yyyy格式转换日期？ [英] Convert date in MM/dd/yyyy format in xcode?

问题描述

我有 UIDatePicker ，我以 yyyy-MM-dd 格式从中获取所选日期。现在我想将其转换为 MM / dd / yyyy 格式..我该怎么做？

I have a UIDatePicker and I m getting the selected date from it in yyyy-MM-dd format.Now I want to convert it to MM/dd/yyyy format ..How can i do it ?

NSDateFormatter *df=[[[NSDateFormatter alloc]init] autorelease];
df.dateFormat = @"yyyy-MM-dd";
NSArray *temp=[[NSString stringWithFormat:@"%@",[df stringFromDate:DatePicker.date]] componentsSeparatedByString:@""];

[dateString2 release];
dateString2=nil;
dateString2= [[NSString alloc]initWithString:[temp objectAtIndex:0]];
NSLog(@"%@",dateString2);

我得到了2012-10-30，但我想要10/30/2012。

Im getting 2012-10-30 but I want 10/30/2012.

推荐答案

查看每行的说明或介绍

NSString *str = @"2012-10-30"; /// here this is your date with format yyyy-MM-dd

NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc] init] autorelease]; // here we create NSDateFormatter object for change the Format of date..
[dateFormatter setDateFormat:@"yyyy-MM-dd"]; //// here set format of date which is in your output date (means above str with format)

NSDate *date = [dateFormatter dateFromString: str]; // here you can fetch date from string with define format

dateFormatter = [[[NSDateFormatter alloc] init] autorelease];
[dateFormatter setDateFormat:@"dd/MM/yyyy"];// here set format which you want...

NSString *convertedString = [dateFormatter stringFromDate:date]; //here convert date in NSString
NSLog(@"Converted String : %@",convertedString);

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