znyc.cloudcar.admin.api/Znyc.Cloudcar.Admin.Commons/Helpers/GuidUtils.cs

using System;

namespace Znyc.Cloudcar.Admin.Commons.Helpers
{
    /// <summary>
    ///     Guid工具类
    /// </summary>
    public class GuidUtils
    {
        /// <summary>
        ///     获取一个大写的字符串
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        private static string upper(string str)
        {
            return str.ToUpper();
        }

        /// <summary>
        ///     获取32位不包含“-”号的GUID字符串
        /// </summary>
        /// <returns></returns>
        public static string NewGuidFormatN(bool isUpper = false)
        {
            string guid = Guid.NewGuid().ToString("N");
            return isUpper ? upper(guid) : guid;
        }

        /// <summary>
        ///     获取32位包含“-”号的GUID字符串
        /// </summary>
        /// <param name="isUpper"></param>
        /// <returns></returns>
        public static string NewGuidFormatD(bool isUpper = false)
        {
            string guid = Guid.NewGuid().ToString("D");
            return isUpper ? upper(guid) : guid;
        }

        /// <summary>
        ///     获取32位包含“-”号的GUID被“(”、“)”包括的字符串
        /// </summary>
        /// <param name="isUpper"></param>
        /// <returns></returns>
        public static string NewGuidFormatP(bool isUpper = false)
        {
            string guid = Guid.NewGuid().ToString("P");
            return isUpper ? upper(guid) : guid;
        }

        /// <summary>
        ///     获取32位包含“-”号的GUID被“{”、“}”包括的字符串
        /// </summary>
        /// <param name="isUpper"></param>
        /// <returns></returns>
        public static string NewGuidFormatB(bool isUpper = false)
        {
            string guid = Guid.NewGuid().ToString("B");
            return isUpper ? upper(guid) : guid;
        }

        /// <summary>
        ///     获取4个被“{”、“}”包括的十六进制数，其中第四个值位8个被“{”、“}”包括的十六进制数字符串
        /// </summary>
        /// <param name="isUpper"></param>
        /// <returns></returns>
        public static string NewGuidFormatX(bool isUpper = false)
        {
            string guid = Guid.NewGuid().ToString("X");
            return isUpper ? upper(guid) : guid;
        }

        #region 自动生成编号

        /// <summary>
        ///     表示全局唯一标识符 (GUID)。
        /// </summary>
        /// <returns></returns>
        public static string GuId()
        {
            return Guid.NewGuid().ToString();
        }

        /// <summary>
        ///     自动生成编号/唯一订单号生成，时间戳+随机数，时间戳精确到毫秒，形如2020052113254137177350
        /// </summary>
        /// <returns></returns>
        public static string CreateNo()
        {
            Random random = new Random();
            string strRandom = random.Next(1000, 10000).ToString(); //生成随机编号
            string code = DateTime.Now.ToString("yyyyMMddHHmmssffff") + strRandom; //形如2020052113254137177350
            return code;
        }

        #endregion 自动生成编号
    }
}