生成指定长度的字符串

 #region 生成指定长度的字符串
 2         /// <summary>
 3         /// 生成指定长度的字符串,即生成strLong个str字符串
 4         /// </summary>
 5         /// <param name="strLong">生成的长度</param>
 6         /// <param name="str">以str生成字符串</param>
 7         /// <returns></returns>
 8         public static string StringOfChar(int strLong, string str)
 9         {
10             string ReturnStr = "";
11             for (int i = 0; i < strLong; i++)
12             {
13                 ReturnStr += str;
14             }
15 
16             return ReturnStr;
17         }
18         #endregion