.net core 下编码问题

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" }
                };