C# 字符串 处理

字符串截取

/// <summary>
        /// 截取字符串
        /// </summary>
        /// <param name="str">原始字符</param>
        /// <param name="beginStr">开始字符串</param>
        /// <param name="endStr">结束字符串</param>
        /// <returns></returns>
        public string getString(string str, string beginStr,bool beginYN,string endStr,bool endYN) {
            int beginIndex = str.IndexOf(beginStr) + (beginYN ? 0:beginStr.Length);
            int endIndex = str.IndexOf(endStr)+(endYN ? beginStr.Length: 0);
            return str.Substring(beginIndex, endIndex- beginIndex);
        }