我想将我的日期格式从“MM/dd/YYYY HH:mm:ss”更改为“EEE dd MMM yyyy hh:mm a”,但是我使用的代码不起作用,例如,如果我的输入是 11/30/2016T01:04:30 我将月份更改为 12 月,任何人都可以帮助哪里出错了吗?
NSString * date = @"11/30/2016T01:04:30";
date = [date stringByReplacingOccurrencesOfString:@"T" withString:@" "];
NSDateFormatter *df = [[NSDateFormatter alloc] init];
[df setDateFormat:@"MM/dd/YYYY HH:mm:ss"];
NSDate *myDate = [df dateFromString: date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"EEE dd MMM yyyy hh:mm a"];
NSString *dayName= [dateFormatter stringFromDate:myDate];
NSLog(@"the converted Day %@",dayName);
最佳答案
不需要这个
// date = [date stringByReplacingOccurrencesOfString:@"T" withString:@" "];
像这样使用
NSDateFormatter *df = [[NSDateFormatter alloc] init];
NSString * date = @"11/30/2016T01:04:30";
[df setDateFormat:@"MM/dd/yyyy'T'HH:mm:ss"];
NSDate *myDate = [df dateFromString: date];
[df setDateFormat:@"EEE dd MMM yyyy hh:mm a"];
NSString *dayName= [df stringFromDate:myDate];
NSLog(@"the converted Day %@",dayName);
输出:
the converted Day Wed 30 Nov 2016 01:04 AM
关于ios - 日期格式化程序不起作用?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40882193/