#pragma mark -时间戳转时间
+ (NSString*)timeWithTimeIntervalString:(NSString*)timeString andFormatter:(NSString*)format
{
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
formatter.timeZone = [NSTimeZone timeZoneWithName:@"beijing"];
[formattersetDateStyle:NSDateFormatterMediumStyle];
[formattersetTimeStyle:NSDateFormatterShortStyle];
[formattersetDateFormat:format];
NSDate* date ;
// 毫秒值转化为秒 // *1000 是精确到毫秒，不乘就是精确到秒
if(timeString.length>13)
{
date = [NSDate dateWithTimeIntervalSince1970:[timeString longLongValue]/ 1000.0]; //返回的是13位的时间戳的话,是精确到了毫秒,需要除以1000
}
else
{
date = [NSDate dateWithTimeIntervalSince1970:[timeString longLongValue]];
}
NSString* dateString = [formatterstringFromDate:date];
returndateString;
}
#pragma mark - 将某个时间转化成 时间戳
+(NSString*)timeSwitchTimestamp:(NSString*)formatTime andFormatter:(NSString*)format
{ NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formattersetDateStyle:NSDateFormatterMediumStyle];
[formattersetTimeStyle:NSDateFormatterShortStyle];
[formattersetDateFormat:format];
//(@"YYYY-MM-dd hh:mm:ss") ----------设置你想要的格式,hh与HH的区别:分别表示12小时制,24小时制
NSTimeZone* timeZone = [NSTimeZone timeZoneWithName:@"Asia/Shanghai"];
[formattersetTimeZone:timeZone];
NSDate* date = [formatter dateFromString:formatTime]; //------------将字符串按formatter转成nsdate //时间转时间戳的方法:
NSInteger timeSp = [[NSNumber numberWithDouble:[date timeIntervalSince1970]] integerValue];
//NSLog(@"将某个时间转化成 时间戳&&&&&&&timeSp:%ld",(long)timeSp); //时间戳的值
NSString *str =[NSString stringWithFormat:@"%ld",(long)timeSp];
returnstr;
}
调用
[ExchangeTime timeWithTimeIntervalString:list.created_at andFormatter:@"YYYY-MM-dd hh:mm:ss"];
