System.Globalization.CultureInfo.CurrentCulture ???????????????= new System.Globalization.CultureInfo("zh-CN", true) ???????????????{ ???????????????????DateTimeFormat = { ShortDatePattern = "yyyy-MM-dd", ???????????????????FullDateTimePattern = "yyyy-MM-dd HH:mm:ss", LongTimePattern = "HH:mm:ss" } ???????????????}; ???????????System.Globalization.CultureInfo.CurrentUICulture ???????????????= new System.Globalization.CultureInfo("zh-CN", true) ???????????????{ ???????????????????DateTimeFormat = { ShortDatePattern = "yyyy-MM-dd", ???????????????????FullDateTimePattern = "yyyy-MM-dd HH:mm:ss", LongTimePattern = "HH:mm:ss" } ???????????????}; ???????????System.Globalization.CultureInfo.DefaultThreadCurrentCulture ???????????????= new System.Globalization.CultureInfo("zh-CN", true) ???????????????{ ???????????????????DateTimeFormat = { ShortDatePattern = "yyyy-MM-dd", ???????????????????FullDateTimePattern = "yyyy-MM-dd HH:mm:ss", LongTimePattern = "HH:mm:ss" } ???????????????}; ???????????System.Globalization.CultureInfo.DefaultThreadCurrentUICulture ???????????????= new System.Globalization.CultureInfo("zh-CN", true) ???????????????{ ???????????????????DateTimeFormat = { ShortDatePattern = "yyyy-MM-dd", ???????????????????FullDateTimePattern = "yyyy-MM-dd HH:mm:ss", LongTimePattern = "HH:mm:ss" } ???????????????};.net core 默认编码格式没注意，时间类型 直接默认字符串的话：月/日 年 时：分：秒，一般会和我们的用法不一致。（tostring("yyyy-MM-dd HH:mm:ss")，则是重新制定format,就不受制于编码了）
上述代码，适用于全局。
写在program中的第一行。
.net core 下编码问题
原文地址：https://www.cnblogs.com/ericli-ericli/p/9100379.html