iOS - 时间处理集锦
2017-11-24 本文已影响0人
Gold_xiaohui
各位大佬好，最近刚完成了一个项目终于有时间来整理下这些东西了，废话不多说，直接上代码吧。
时间处理函数
//1.和时间戳进行比较,转换成（如：3天前）
+ (NSString *)changeTimeShow:(long long)str;
//2.和当前真实时间进行比较
//参数传入的是固定时间格式（yyyy-MM-dd HH:mm）字符串转换成显示字符串（如："2017-02-26 24:40" 转换成 "3个月前"）
//str: yyyy-MM-dd HH:mm
+ (NSString *)changeTimeShowWithNowData:(NSString *)str;
//3.获取当前真实时间
+ (NSString *)getNowDate;//@"YYYY-MM-dd hh:mm:ss"
//4.获得当前时间戳
+ (NSString *)GetCurrentTimeString;
//5.时间戳转时间(真实时间)
+ (NSString *)GetTimeIncludeYear:(long long)TimeInteger;
具体代码
1.和时间戳进行比较
//1.和时间戳进行比较
+ (NSString *)changeTimeShow:(long long)time{
//获取当前时间戳
NSTimeInterval a=[[NSDate date] timeIntervalSince1970]; //*1000; // *1000 是精确到毫秒，不乘就是精确到秒
NSString *returnStr;
a = (NSInteger)a;
NSInteger cNum;
if (time == a) {
returnStr = @"刚刚";
}else if (time > a){
cNum = time - a;
if (cNum/(30 *24 *60 *60) > 0) {//一个月
returnStr = [NSString stringWithFormat:@"%ld月后",cNum/(30 *24 *60 *60)];
}else{
if (cNum/(24 *60 *60) > 0) {//一天
returnStr = [NSString stringWithFormat:@"%ld天后",cNum/(24 *60 *60)];
}else{
if (cNum/(60 *60) > 0) {
returnStr = [NSString stringWithFormat:@"%ld小时后",cNum/(60 *60)];
}else{
if (cNum/60 > 0) {
returnStr = [NSString stringWithFormat:@"%ld分钟后",cNum/(60)];
}else{
returnStr = [NSString stringWithFormat:@"%ld秒后",cNum];
}
}
}
}
}else if (time < a){
cNum = a - time;
if (cNum/(30 *24 *60 *60) > 0) {//一个月
returnStr = [NSString stringWithFormat:@"%ld月前",cNum/(30 *24 *60 *60)];
}else{
if (cNum/(24 *60 *60) > 0) {//一天
returnStr = [NSString stringWithFormat:@"%ld天前",cNum/(24 *60 *60)];
}else{
if (cNum/(60 *60) > 0) {
returnStr = [NSString stringWithFormat:@"%ld小时前",cNum/(60 *60)];
}else{
if (cNum/60 > 0) {
returnStr = [NSString stringWithFormat:@"%ld分钟前",cNum/(60)];
}else{
returnStr = [NSString stringWithFormat:@"%ld秒前",cNum];
}
}
}
}
}
return returnStr;
}
2.和当前真实时间进行比较
//2.和当前真实时间进行比较
+ (NSString *)changeTimeShowWithNowData:(NSString *)str{
//获取当前时间
NSDate *date = [NSDate date];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSString *DateTime = [formatter stringFromDate:date];
//
// NSString *string =@"123456d890";
// NSString *str1 = [string substringToIndex:5];//截取掉下标6之前不包括6的字符串
// NSLog(@"截取的值为：%@",str1);//12345
// NSString *str2 = [string substringFromIndex:3];//截取掉下标4之后包括4的字符串
// NSLog(@"截取的值为：%@",str2);//456d890
// NSRange range = [string rangeOfString:@"5"];//匹配得到的下标
// NSLog(@"rang:%@",NSStringFromRange(range));//4,1
NSString *yearNow = [DateTime substringToIndex:4];
NSString *monNow = [DateTime substringToIndex:7];
monNow = [monNow substringFromIndex:5];
NSString *dayNow = [DateTime substringToIndex:10];
dayNow = [dayNow substringFromIndex:8];
NSString *hourNow = [DateTime substringToIndex:13];
hourNow = [hourNow substringFromIndex:11];
NSString *minNow = [DateTime substringFromIndex:14];
minNow = [minNow substringToIndex:2];
NSString *year = [str substringToIndex:4];
NSString *mon = [str substringToIndex:7];
mon = [mon substringFromIndex:5];
NSString *day = [str substringToIndex:10];
day = [day substringFromIndex:8];
NSString *hour = [str substringToIndex:13];
hour = [hour substringFromIndex:11];
NSString *min = [str substringFromIndex:14];
min = [min substringToIndex:2];
NSString *StrReturn;
if ([yearNow integerValue] == [year integerValue]) {
if ([monNow integerValue] == [mon integerValue]) {
if ([dayNow integerValue] == [day integerValue]) {
if ([hourNow integerValue] == [hour integerValue]) {
if ([minNow integerValue] == [min integerValue]) {
StrReturn = [NSString stringWithFormat:@"刚刚"];
}else if ([minNow integerValue] > [min integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld分钟前",[minNow integerValue]-[min integerValue]];
}else if ([minNow integerValue] < [min integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld分钟后",[min integerValue]-[minNow integerValue]];
}
}else if ([hourNow integerValue] > [hour integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld小时前",[hourNow integerValue]-[hour integerValue]];
}else if ([hourNow integerValue] < [hour integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld小时后",[hour integerValue]-[hourNow integerValue]];
}
}else if ([dayNow integerValue] > [day integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld天前",[dayNow integerValue]-[day integerValue]];
}else if ([dayNow integerValue] < [day integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld天后",[day integerValue]-[dayNow integerValue]];
}
}else if ([monNow integerValue] > [mon integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld年前",[monNow integerValue]-[mon integerValue]];
}else if ([monNow integerValue] < [mon integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld月后",[mon integerValue]-[monNow integerValue]];
}
}else if ([yearNow integerValue] > [year integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld年前",[yearNow integerValue]-[year integerValue]];
}else if ([yearNow integerValue] < [year integerValue]){
StrReturn = [NSString stringWithFormat:@"%ld年后",[year integerValue]-[yearNow integerValue]];
}
return StrReturn;
}
3.获取当前真实时间
//3.获取当前真实时间
+(NSString *)getNowDate{
//获取当前时间
NSDate *date = [NSDate date];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];//hh和HH是不一样的HH表示24小时制hh表示12小时
NSString *DateTime = [formatter stringFromDate:date];
return DateTime;
}
4.获得当前时间戳
//4.获得当前时间戳
+ (NSString *)GetCurrentTimeString{
NSTimeInterval a=[[NSDate date] timeIntervalSince1970]; //*1000; // *1000 是精确到毫秒，不乘就是精确到秒
NSString *timeString = [NSString stringWithFormat:@"%.0f", a]; //转为字符型
return timeString;
}
5.时间戳转时间(真实时间)
//5.时间戳转时间(真实时间)
+ (NSString *)GetTimeIncludeYear:(long long)TimeInteger{
NSLog(@"%ld",TimeInteger);
long long time = TimeInteger/1000;
NSLog(@"%ld",time);
NSDate *TimeDate = [NSDate dateWithTimeIntervalSince1970:time];
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
//----------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
[formatter setDateFormat:@"yyyy-MM-dd HH:mm"];
NSString *timeString = [formatter stringFromDate:TimeDate];
NSLog(@"timeString-%@",timeString);
return timeString;
}
