namespace APIJSON.NET
{
 using System;
 using System.Text.RegularExpressions;
 public static class StringExtensions
 {
 
 /// <summary>
 /// 是否有值
 /// </summary>
 /// <param name="str"></param>
 /// <returns></returns>
 public static bool IsValue(this object str)
 {
 return str != null && !string.IsNullOrEmpty(str.ToString());
 }

 /// <summary>
 /// 
 /// </summary>
 /// <param name="param"></param>
 /// <returns></returns>
 public static string GetParamName(this string param)
 {
 return param + new Random().Next(1, 100);
 }
 
 }
}