/// <summary>
/// 獲取字符串最長(zhǎng)的數(shù)字
/// </summary>
/// <param name="inputStr">輸入字符串</param>
/// <returns>最長(zhǎng)數(shù)字</returns>
public string GetMaxLenNumber(string inputStr)
{
  //將字符串中的字符存放到數(shù)組中，便于處理
  char[] strCharArray = inputStr.ToCharArray();
  //開(kāi)始處理的位置
  int startPos = 0;
  //當(dāng)前處理的字符長(zhǎng)度
  int tempCharCount = 0;
  //數(shù)字的最長(zhǎng)長(zhǎng)度
  int maxLen = 0;
  //數(shù)組的總長(zhǎng)度
  int len = strCharArray.Length;
  int pos = 0;
  while (startPos < len)
  {
    //循環(huán)中的臨時(shí)最大長(zhǎng)度
    int tempMax = 0;
    while (tempCharCount + startPos < len)
    {
      //開(kāi)始處理的字符
      char c = strCharArray[tempCharCount + startPos];
      if (char.IsNumber(c))
      {
        //如果是數(shù)字
        tempMax++;
        if (tempMax > maxLen)
        {
          maxLen = tempMax;
          pos = startPos;
        }            
      }
      else
      {
        //不是數(shù)字
        tempMax = 0;
        startPos++;
        break;
      }
      tempCharCount++;
    }
    if (startPos + tempCharCount == len)
    {
      break;
    }
    tempCharCount = 0;       
  }
  string s = inputStr.Substring(pos, maxLen);
  return s;
}