usc 1.20230730.1349

A common lib for unitedservices
Documentation 
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use chrono::prelude::*;
use std::time::{SystemTime, UNIX_EPOCH};
pub fn now_time_string()->String{
    format!("{}",Local::now().format("%Y-%m-%d %H:%M:%S"))
}

pub fn now_tick()->i64{
    SystemTime::now()
        .duration_since(UNIX_EPOCH)
        .unwrap()
        .as_millis() as i64
}

pub fn now_tick_time()->String{
    format!("{}",now_tick())
}



pub fn now_time_string_with_milliseconds() ->String {
    let date = Local::now();
    let b= format!("{}", date.format("%Y-%m-%d %H:%M:%S.%3f"));
    b
}