将json写入js文件

        /// <summary>
        /// 将json写入js文件
        /// 用法：先获取一个集合，序列化后 执行WriteToJs
        ///       JavaScriptSerializer js = new JavaScriptSerializer();
        ///       string Workers_Json = js.Serialize(Workers_Obj);
        /// </summary>
        /// <param name="jsonStr">json字符串</param>
        /// <param name="jsName">js文件名</param>
        public static void WriteToJs(string jsonStr, string jsName)
        {
            try
            {
                string url = string.Format("/Content/js/sys_{0}.js", jsName);
                string path = HttpContext.Current.Server.MapPath(url);
                FileInfo info = new FileInfo(path);
                StreamWriter sr = new StreamWriter(path, false, Encoding.GetEncoding("utf-8"));
                if (!File.Exists(path))//如果不存在就创建
                {
                    sr = File.CreateText(path);
                }
                //if (info.Length != 0)//如果为空就写
                //{
                //    sr = new StreamWriter(path, false, Encoding.GetEncoding("utf-8"));
                //}
                sr.Write(string.Format("var sys_{0}={1}", jsName, content));
                sr.Close();
                sr.Dispose();
            }
            catch (Exception ex)
            {
                /**/
                throw new Exception(ex.Message);
            }
            //追加内容和向txt中追加是一样的
        }