自定义字符串排序方法

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public class CustomStringComparer : System.Collections.Generic.IComparer<string>
    {
        #region
        /*private List<string> Convert(List<string> lists)        {
            for (int i = 0; i < lists.Count-1; i++)
            {
                for (int j = i+1; j < lists.Count; j++)
                {
                    string h1 = lists;
                    string h2 = lists[j];
                    if (Compare1(h1,h2))//调用比较算法
                    {
                        string temp = lists[j];
[i]                        lists[j] = lists;
                        lists = temp;
                    }
                }
            }
            return lists;
        }
        private bool Compare1(string fileA, string fileB)
        {
            if (string.IsNullOrEmpty(fileA) || string.IsNullOrEmpty(fileB))
                throw new ArgumentException("Parameters can't be null");
            //string fileA = x as string;
            //string fileB = y as string;
            int resulta = 0;
            int resultb = 0;
            bool result1 = int.TryParse(fileA, out resulta);
            bool result2 = int.TryParse(fileB, out resultb);
            if (result1 || result2)
            {
                if (result1 && result2)
                {
                    return resulta > resultb;
                }
                else if (!result1)
                {
                    return true;
                }
                else if (!result2)
                {
                    return false;
                }
                return false;
            }
            else
            {
                char[] arr1 = fileA.ToCharArray();
                char[] arr2 = fileB.ToCharArray();
                int i = 0, j = 0;
                while (i < arr1.Length && j < arr2.Length)
                {
                    if (char.IsDigit(arr1) && char.IsDigit(arr2[j]))
                    {
                        string s1 = "", s2 = "";
                        while (i < arr1.Length && char.IsDigit(arr1))
                        {
                            s1 += arr1;
                            i++;
                        }
                        while (j < arr2.Length && char.IsDigit(arr2[j]))
                        {
                            s2 += arr2[j];
                            j++;
                        }
                        if (int.Parse(s1) > int.Parse(s2))
                        {
                            return true;
                        }
                        else if(int.Parse(s1) < int.Parse(s2))
                        {
                            return false;
                        }
                    }
                    else
                    {
                        if (!char.IsDigit(arr1) && !char.IsDigit(arr2[j]))
                        {
                            if (arr1 > arr2[j])
                            {
                                return true;
                            }
                            else if(arr1 < arr2[j])
                            {
                                return false;
                            }
                        }
                        else if (char.IsDigit(arr1))
                        {
                            return false;
                        }
                        else if(char.IsDigit(arr2[j]))
                        {
                            return true;
                        }
                        i++;
                        j++;
                    }
                }
                if (arr1.Length > arr2.Length)
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
        }*/
        #endregion

        public int Compare(string fileA, string fileB)
        {
            if (string.IsNullOrEmpty(fileA) || string.IsNullOrEmpty(fileB))
                throw new ArgumentException("Parameters can't be null");
            int resulta = 0;
            int resultb = 0;
            bool result1 = int.TryParse(fileA, out resulta);
            bool result2 = int.TryParse(fileB, out resultb);
            if (result1 || result2)//任意一个字符串为数值
            {
                //判断是否有为非数值
                if (!result2)
                {
                    return -1;
                }
                else if (!result1)
                {
                    return 1;
                }
                else//都是数值
                {
                    return resulta > resultb ? 1 : resulta < resultb ? -1 : 0;
                }
            }
            else//都包含非数值类型字符
            {
                char[] arr1 = fileA.ToCharArray();
                char[] arr2 = fileB.ToCharArray();
                int i = 0, j = 0;
                while (i < arr1.Length && j < arr2.Length)
                {
                    if (char.IsDigit(arr1) && char.IsDigit(arr2[j]))
                    {
                        string s1 = "", s2 = "";
                        while (i < arr1.Length && char.IsDigit(arr1))
                        {
                            s1 += arr1;
                            i++;
                        }
                        while (j < arr2.Length && char.IsDigit(arr2[j]))
                        {
                            s2 += arr2[j];
                            j++;
                        }
                        if (int.Parse(s1) > int.Parse(s2))
                        {
                            return 1;
                        }
                        else if (int.Parse(s1) < int.Parse(s2))
                        {
                            return -1;
                        }
                    }
                    else
                    {
                        if (!char.IsDigit(arr1) && !char.IsDigit(arr2[j]))
                        {
                            if (arr1 > arr2[j])
                            {
                                return 1;
                            }
                            else if (arr1 < arr2[j])
                            {
                                return -1;
                            }
                        }
                        else if (char.IsDigit(arr1))
                        {
                            return -1;
                        }
                        else if (char.IsDigit(arr2[j]))
                        {
                            return 1;
                        }
                        i++;
                        j++;
                    }
                }
                return arr1.Length > arr2.Length ? 1 : arr1.Length < arr2.Length ? -1 : 0;
            }
        }
    }

使用方法：
List<T>.OrderByDescending(T=>T.排序字段,new CustomStringComparer()

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