+ (NSString *) compareCurrentTime:(NSString *)str
{
//把字符串轉為NSdate
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSDate *timeDate = [dateFormatter dateFromString:str];
NSDate *currentDate = [NSDate date];
NSTimeInterval timeInterval = [currentDate timeIntervalSinceDate:timeDate];
long temp = 0;
NSString *result;
if (timeInterval/60 < 1) {
result = [NSString stringWithFormat:@"剛剛"];
}
else if((temp = timeInterval/60) <60){
result = [NSString stringWithFormat:@"%ld分鐘前",temp];
}
else if((temp = temp/60) <24){
result = [NSString stringWithFormat:@"%ld小時前",temp];
}
else if((temp = temp/24) <30){
result = [NSString stringWithFormat:@"%ld天前",temp];
}
else if((temp = temp/30) <12){
result = [NSString stringWithFormat:@"%ld月前",temp];
}
else{
temp = temp/12;
result = [NSString stringWithFormat:@"%ld年前",temp];
}
return? result;
}
