+ (NSString *)timeByTimestamp:(CGFloat)timestamp {
NSTimeZone *zone = [NSTimeZone defaultTimeZone];
static NSDateFormatter *formatter =nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
formatter = [[NSDateFormatter alloc] init];
});
formatter.locale=[[NSLocale alloc]initWithLocaleIdentifier:@"en_US"];
[formatter setDateFormat:@"yyyy-MM-dd aa hh:mm"];
[formatter setTimeZone:zone];
CGFloat thatTime = timestamp;
NSDate *thatDate = [NSDate dateWithTimeIntervalSince1970:thatTime];
NSString *thatString = [formatter stringFromDate:thatDate];
NSDate *nowDate = [NSDate date];
CGFloat nowTime = [nowDate timeIntervalSince1970];
CGFloat spaceTime = nowTime - thatTime;
if (spaceTime / 60 < 5) {
return @"刚刚";
} else if (spaceTime < 60 * 60 * 24) {
NSString *time = [thatString substringFromIndex:11];
if ([time hasPrefix:@"PM"]) {
time = [time stringByReplacingOccurrencesOfString:@"PM" withString:@"下午"];
}
if ([time hasPrefix:@"AM"]) {
time = [time stringByReplacingOccurrencesOfString:@"AM" withString:@"上午"];
}
return time;
} else if (spaceTime < 60 * 60 * 24 * 2) {
NSString *time = [thatString substringFromIndex:11];
if ([time hasPrefix:@"PM"]) {
time = [time stringByReplacingOccurrencesOfString:@"PM" withString:@"昨天下午"];
}
if ([time hasPrefix:@"AM"]) {
time = [time stringByReplacingOccurrencesOfString:@"AM" withString:@"昨天上午"];
}
return time;
} else if (spaceTime < 60 * 60 * 24 * 3) {
NSString *time = [thatString substringFromIndex:11];
if ([time hasPrefix:@"PM"]) {
time = [time stringByReplacingOccurrencesOfString:@"PM" withString:@"前天下午"];
}
if ([time hasPrefix:@"AM"]) {
time = [time stringByReplacingOccurrencesOfString:@"AM" withString:@"前天上午"];
}
return time;
} else if (spaceTime < 60 * 60 * 24 * 4) {
NSString *time = [thatString substringFromIndex:11];
if ([time hasPrefix:@"PM"]) {
time = [time stringByReplacingOccurrencesOfString:@"PM" withString:@"大前天下午"];
}
if ([time hasPrefix:@"AM"]) {
time = [time stringByReplacingOccurrencesOfString:@"AM" withString:@"大前天上午"];
}
return time;
} else if (spaceTime < 60 * 60 * 24 * 365) {
NSDateFormatter *dateFor = [[NSDateFormatter alloc] init];
[dateFor setDateFormat:@"M月d日 aa h:mm"];
[dateFor setTimeZone:zone];
NSString *time = [dateFor stringFromDate:thatDate];
time = [time stringByReplacingOccurrencesOfString:@"PM" withString:@"下午"];
time = [time stringByReplacingOccurrencesOfString:@"AM" withString:@"上午"];
return time;
} else {
NSDateFormatter *dateFor = [[NSDateFormatter alloc] init];
[dateFor setDateFormat:@"yyyy年M月d日 aa h:mm"];
[dateFor setTimeZone:zone];
NSString *time = [dateFor stringFromDate:thatDate];
time = [time stringByReplacingOccurrencesOfString:@"PM" withString:@"下午"];
time = [time stringByReplacingOccurrencesOfString:@"AM" withString:@"上午"];
return time;
}
}
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