C#：自定义函数

/// <summary>
        /// 将数组转成字符串
        /// </summary>
        /// <param name="glue">分隔符</param>
        /// <param name="pieces">要字符串数组</param>
        private string Implode(char glue,string[] pieces) 
        {
            string result = string.Empty;
            int count = pieces.Length;
            for (int i = 0; i < count;i++ )
            {
                if(i==0){
                    result = pieces[i];
                }else{
                    result = result + glue.ToString() + pieces[i];
                }                
            }           
            return result;        
        }