IOS ------ get the current time and current timestamp, ios ------ current time

IOS ------ get the current time and current timestamp, ios ------ current time

// Obtain the current time

+ (NSString *) getCurrentTimes {

NSDateFormatter * formatter = [[NSDateFormatter alloc] init];

// ---------- Set the format you want. The difference between hh and HH: 12-hour and 24-hour respectively.

[Formatter setDateFormat: @ "YYYY-MM-dd HH: mm: ss"];

// The current time. You can output the following format:

NSDate * datenow = [NSDate date];

// ---------- Convert nsdate to nsstring in formatter format

NSString * currentTimeString = [formatter stringFromDate: datenow];

NSLog (@ "currentTimeString = % @", currentTimeString );

Return currentTimeString;

}

You can obtain the current timestamp in seconds)

+ (NSString *) getNowTimeTimestamp {

NSDateFormatter * formatter = [[NSDateFormatter alloc] init];

[Formatter setDateStyle: NSDateFormatterMediumStyle];

[Formatter setTimeStyle: nsdateformatter1_style];

[Formatter setDateFormat: @ "YYYY-MM-dd HH: mm: ss"]; // ---------- set the format you want. The difference between hh and HH is 12-hour, respectively, 24-hour system

// Set the time zone, which is sometimes important for Time Processing

NSTimeZone * timeZone = [NSTimeZone timeZoneWithName: @ "Asia/Shanghai"];

[Formatter setTimeZone: timeZone];

NSDate * datenow = [NSDate date]; // The current time. You can output the following format:

NSString * timeSp = [NSString stringWithFormat: @ "% ld", (long) [datenow timeIntervalSince1970];

Return timeSp;

}

 

+ (NSString *) getNowTimeTimestamp2 {

 

NSDate * dat = [NSDate dateWithTimeIntervalSinceNow: 0];

NSTimeInterval a = [dat timeIntervalSince1970];

NSString * timeString = [NSString stringWithFormat: @ "% 0.f", a]; // convert it to struct

;

Return timeString;

}

// Obtain the current timestamp (in milliseconds)

+ (NSString *) getNowTimeTimestamp3 {

NSDateFormatter * formatter = [[NSDateFormatter alloc] init];

[Formatter setDateStyle: NSDateFormatterMediumStyle];

[Formatter setTimeStyle: nsdateformatter1_style];

[Formatter setDateFormat: @ "YYYY-MM-dd HH: mm: ss SSS"]; // ---------- set the format you want. The difference between hh and HH is as follows: 12-hour and 24-hour respectively

// Set the time zone, which is sometimes important for Time Processing

NSTimeZone * timeZone = [NSTimeZone timeZoneWithName: @ "Asia/Shanghai"];

[Formatter setTimeZone: timeZone];

NSDate * datenow = [NSDate date]; // The current time. You can output the following format:

NSString * timeSp = [NSString stringWithFormat: @ "% ld", (long) [datenow timeIntervalSince1970] * 1000];

Return timeSp;

}