如何将DateTime与字符串进行比较 [英] How to compare a DateTime to a string
本文介绍了如何将DateTime与字符串进行比较的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个字符串,其中包含一个时间(从DB获取):
string user_time =17:10:03 ; // Hours:minutes:seconds
DateTime time_now = DateTime.Now;
如何将此字符串与DateTime进行比较?我想要这样的东西:
if(time_now> user_time)
{
//做某事
}
else
{
//做某事
}
解决方案
DateTime支持比较,但首先需要解析日期时间字符串 DateTime.Parse()应该足够了:
var dateTimeStr =17:10:03;
$请记住,比较日期/时间有时需要意识到时区才能使比较有意义。
var user_time = DateTime.Parse(dateTimeStr);
var time_now = DateTime.Now;
if(time_now> user_time)
{
//您的代码...
}
I have string which contains a time (obtained from a DB):
string user_time = "17:10:03"; //Hours:minutes:seconds DateTime time_now = DateTime.Now;
How do I compare this string to a DateTime? I'd like something like this:
if(time_now > user_time) { //Do something } else { //Do something }
解决方案DateTime supports comparison, but first you need to parse the date-time string, DateTime.Parse() should suffice:
var dateTimeStr = "17:10:03"; var user_time = DateTime.Parse( dateTimeStr ); var time_now = DateTime.Now; if( time_now > user_time ) { // your code... }
Bear in mind, that comparing dates/times sometimes requires awareness of time-zones to make the comparison meaningful.
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