C# 字符串扩展去除千分位，支持设置精确度

/// <summary> /// 字符串去除千分位，可以指定精度，默认为两位小数，若失败字符串为0 /// </summary> /// <param name="This"></param> /// <param name="accuracy"></param> /// <returns></returns> public static String  ParseThousands(this String This, int accuracy = 2) {     if (String.IsNullOrEmpty(This))         return This;      try     {         This = double.Parse(This, NumberStyles.AllowThousands | NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign).ToString(String.Format("F{0}", accuracy));     }     catch (Exception)     {         This = 0.ToString(String.Format("F{0}", accuracy));     }      return This; }