增加川印设备维修回写

小飞侠

2025-10-21 595df5dac0a782bfdadab766b4dd62d326b0a383

 cylsg/cylsg.utility/Extend/StringEx.cs

@@ -232,5 +232,20 @@
        }
        #endregion

        /// <summary>
        /// 首字母转大写
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public static string FirstToCapitalize(this  string input)
        {
            if (string.IsNullOrEmpty(input))
            {
                return input;
            }

            TextInfo textInfo = new CultureInfo("en-US", false).TextInfo;
            return textInfo.ToTitleCase(input.ToLower()).Substring(0, 1) + input.Substring(1);
        }
    }
}