cb_cs/cs/Common/Helper/StringHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace Common
{
    public sealed class StringHelper
    {
        /// <summary>
        /// 快速验证一个字符串是否符合指定的正则表达式。
        /// </summary>
        /// <param name="express">正则表达式的内容。</param>
        /// <param name="value">需验证的字符串。</param>
        /// <returns>是否合法的bool值。</returns>
        public static bool QuickValidate(string express, string value)
        {
            if (value == null) return false;
            var myRegex = new Regex(express);
            if (value.Length == 0)
            {
                return false;
            }
            return myRegex.IsMatch(value);
        }

        public static string GetWeeks(string weeks)
        {
            try
            {
                if (weeks == "0,1,2,3,4,5,6")
                    return "每天";
                string week = "周";
                var list = weeks.Split(',');
                foreach (var item in list)
                {
                    switch (item)
                    {
                        case "0":
                            week += "一、";
                            break;
                        case "1":
                            week += "二、";
                            break;
                        case "2":
                            week += "三、";
                            break;
                        case "3":
                            week += "四、";
                            break;
                        case "4":
                            week += "五、";
                            break;
                        case "5":
                            week += "六、";
                            break;
                        case "6":
                            week += "日、";
                            break;
                        default:
                            break;
                    }
                }
                return week.TrimEnd('、');
            }
            catch (Exception e)
            {
                return "";
            }
        }
        /// <summary>
        /// 计算下期开奖时间
        /// </summary>
        /// <param name="weeks"></param>
        /// <returns></returns>
        public static string[] GetNextWeeks(int week,string weeks)
        {
            try
            {
                int newweek = -1;
                var list = weeks.Split(',');
                for (int i = 0; i < list.Length; i++)
                {
                    if (week == Convert.ToInt32(list[i]))
                    {
                        if (i == list.Length - 1)
                        {
                            newweek = Convert.ToInt32(list[0]);
                        }
                        else {
                            newweek = Convert.ToInt32(list[i + 1]);
                        }
                    }
                }
                int num = Math.Abs(week - newweek);
                return new string[2] { GetWeeks(newweek.ToString()), num.ToString() };
            }
            catch (Exception e)
            {
                return new string[2] { "", "" };
            }
        }

        public static string ToYi(string money)
        {
            try
            {
                int leg = money.Length;
                if (leg > 8)
                {
                    var dc = Math.Round(money.Remove(leg - 5, 4).StrToInt() / 10000.00, 2);
                    return dc + "亿";
                }
                else if (leg<=4)
                {
                    return money;
                }
                else {
                    var dc = Math.Round(money.Remove(leg - 5, 4).StrToInt() / 1.00, 2);
                    return dc + "万";
                }
                
            }
            catch (Exception e)
            {
                return "--";
            }
        }

       
    }
}