测试程序的时候用到写参数或者错误日志的几个方法，用来方便发现错误

/// <summary>    /// 写接口日志类（by mo）    /// </summary>    public class LogWrite    {        /// <summary>        /// 写异常日志        /// </summary>        /// <param name="path">相对路径（"~/log"）</param>        /// <param name="content">异常内容</param>        /// <param name="filename">文件名（不能带后缀格式，默认保存txt文本）</param>        public static void WriteBug(string path, string content, string filename)        {            StringBuilder sb = new StringBuilder();            sb.Append("----------bug日志--------/r/n");            sb.AppendFormat("时间：{0}/r/n异常内容：{1}/r/n/r/n", DateTime.Now.ToString("yyyy-MM-dd HH:mm"), content);            if (!System.IO.Directory.Exists(HttpContext.Current.Server.MapPath(path)))            {                System.IO.Directory.CreateDirectory(HttpContext.Current.Server.MapPath(path));            }            System.IO.File.AppendAllText(HttpContext.Current.Server.MapPath(path + filename + ".txt"), sb.ToString(), System.Text.Encoding.Default);        }        /// <summary>        /// 写请求参数日志(用于接口调用)        /// </summary>        /// <param name="path">路径</param>        /// <param name="title">标题</param>        /// <param name="content">内容</param>        /// <param name="filename">文件名（不能带后缀格式，默认保存txt文本）</param>        public static void WriteRequstParameters(string path, string title, string content, string filename)        {            StringBuilder sb = new StringBuilder();            sb.AppendFormat("----------{0}--------/r/n", title);            sb.AppendFormat("请求时间={0},{1}/r/n/r/n", DateTime.Now.ToString("yyyy-MM-dd HH:mm"), content);            if (!System.IO.Directory.Exists(HttpContext.Current.Server.MapPath(path)))            {                System.IO.Directory.CreateDirectory(HttpContext.Current.Server.MapPath(path));            }            System.IO.File.AppendAllText(HttpContext.Current.Server.MapPath(path + filename + ".txt"), sb.ToString(), System.Text.Encoding.Default);        }        /// <summary>        /// 写所有请求参数日志        /// </summary>        /// <param name="path">相对路径</param>        /// <param name="title">标题</param>        /// <param name="filename">文件名（不能带后缀格式，默认保存txt文本）</param>        public static void WriteRequstStream(string path, string title, string filename)        {            string a = string.Empty;            using (System.IO.Stream stream = System.Web.HttpContext.Current.Request.InputStream)            {                using (System.IO.StreamReader sr = new System.IO.StreamReader(stream))                {                    a = sr.ReadToEnd();                }            }            StringBuilder sb = new StringBuilder();            sb.AppendFormat("----------{0}--------/r/n", title);            sb.AppendFormat("请求时间:{0},/r/n请求参数:{1}/r/n/r/n", DateTime.Now.ToString("yyyy-MM-dd HH:mm"), a);            if (!System.IO.Directory.Exists(HttpContext.Current.Server.MapPath(path)))            {                System.IO.Directory.CreateDirectory(HttpContext.Current.Server.MapPath(path));            }            System.IO.File.AppendAllText(HttpContext.Current.Server.MapPath(path + filename + ".txt"), sb.ToString(), System.Text.Encoding.Default);        }    }