Elight.Utility/Core/StringHelper.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

namespace Elight.Utility.Core
{
    /// <summary>
    /// 字符串操作类
    /// </summary>
    public static class StringHelper
    {
        /// <summary>
        /// 把字符串按照分隔符转换成 List
        /// </summary>
        /// <param name="str">源字符串</param>
        /// <param name="speater">分隔符</param>
        /// <param name="toLower">是否转换为小写</param>
        /// <returns></returns>
        public static List<string> SplitToList(this string str, char speater = ',', bool toLower = false)
        {
            List<string> list = new List<string>();
            string[] ss = str.Split(speater);
            foreach (string s in ss)
            {
                if (!string.IsNullOrEmpty(s) && s != speater.ToString())
                {
                    string strVal = s;
                    if (toLower)
                    {
                        strVal = s.ToLower();
                    }
                    list.Add(strVal);
                }
            }
            return list;
        }

        /// <summary>
        /// 把 List<string> 按照分隔符组装成 string
        /// </summary>
        /// <param name="list"></param>
        /// <param name="speater"></param>
        /// <returns></returns>
        public static string GetStrArray(this List<string> list, string speater = ",")
        {
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < list.Count; i++)
            {
                if (i == list.Count - 1)
                {
                    sb.Append(list[i]);
                }
                else
                {
                    sb.Append(list[i]);
                    sb.Append(speater);