// 返回发布时间dateWithString
- (NSString *)backReleaseTimeWithDateStr:(NSString *)dateWithString{
// 获取当前NSCalendar
NSCalendar *calendar = [NSCalendar currentCalendar];
// 设置日期格式
NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";
//入参 发布日期
NSDate *releaseTimer = [formatter dateFromString:dateWithString];
if ([calendar isDateInToday:releaseTimer]) { // 今天
//当前时间
NSDate *nowDate = [NSDate date];
// 获得日期之间的间隔
NSCalendarUnit unit = NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond;
NSDateComponents *components = [calendar components:unit fromDate:releaseTimer toDate:nowDate options:0];
if (components.hour >= 1) {
// formatter.dateFormat = @"今天 HH:mm";
// return [formatter stringFromDate:releaseTimer];
return [NSString stringWithFormat:@"%zd小时前",components.hour];
}else if(components.minute >= 1){
return [NSString stringWithFormat:@"%zd分钟前",components.minute];
}else{
return @"刚刚";
}
}else if([calendar isDateInYesterday:releaseTimer]){ // 昨天
formatter.dateFormat = @"昨天 HH:mm";
return [formatter stringFromDate:releaseTimer];
}else { // 其他
formatter.dateFormat = @"MM-dd HH:mm";
return [formatter stringFromDate:releaseTimer];
}
return dateWithString;
}