/// <summary>

        /// 关键字替换

        /// </summary>

        /// <param name="body"></param>

        /// <returns></returns>

        public string TagReplace(string body)

        {

            string[] begin = this.txtTagBegin.Text.Split('|');

            string[] end = this.txtTagEnd.Text.Split('|');

            string a = string.Empty, b = string.Empty;

            for (int i = 0; i < begin.Length; i++)

            {

                a = begin[i];//第一个关键字

                if (!string.IsNullOrEmpty(a))//不为空

                {

                    try

                    {

                        b = end[i];//替换字符为空

                    }

                    catch { }

                    body = body.Replace(a, b);

                }

            }

            return body;

        }