C# MVC 读取XML，写入XML节点，移除XML节点

C# MVC 读取XML，写入XML节点，移除XML节点

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web;
using System.Web.Http;
using System.Xml.Linq;
using Newtonsoft.Json;
using Sds.Application;

namespace Sds.WebApp.ApiControllers
{
    [CustomAuthorizeApi]
    public class XmlController : SdsApiController
    {
        private readonly string path = HttpContext.Current.Server.MapPath("~/sdsWebConfig.xml");
        private readonly XDocument document;
        public XmlController()
        {
            if (System.IO.File.Exists(path))
            {
                document = XDocument.Load(path);
            }
            else
            {
                //获取根节点对象
                document = new XDocument();
                XElement root = new XElement("SDSWEB");
                root.Save(path);
                document = XDocument.Load(path);
            }
        }
        /// 

        /// 设置配置
        /// 
        /// 配置名称
        /// 值
        /// 
        [HttpPost]
        public OperationOutpu SetConfig(XmlModel input)
        {
            try
            {
                XElement root = document.Root;
                XElement xml = root.Element(input.TagName);
                if (xml == null)
                {
                    xml = new XElement(input.TagName);
                    xml.Value = JsonConvert.SerializeObject(input.Value);
                    root.Add(xml);
                }
                else
                {
                    xml.Value = JsonConvert.SerializeObject(input.Value);
                }
                root.Save(path);
                return new OperationOutpu { Status = true };
            }
            catch (Exception e)
            {
                return new OperationOutpu { Status = false, Msg = e.Message };
                throw new Exception(e.Message);

            }
        }
        /// 

        /// 获取配置
        /// 
        /// 配置名称
        /// 
        [HttpGet]
        public object GetConfig(string tagName)
        {
            //获取到XML的根元素进行操作
            XElement root = document.Root;
            XElement xml = root.Element(tagName);
            if (xml != null)
                return JsonConvert.DeserializeObject(xml.Value);
            else
                return null;
        }
        /// 

        /// 移除配置
        /// 
        /// 配置名称
        /// 
        [HttpPost]
        public OperationOutpu RemoveConfig(string tagName)
        {
            try
            {
                XElement root = document.Root;
                XElement xml = root.Element(tagName);
                xml.Remove();
                root.Save(path);
                return new OperationOutpu { Status = true };
            }
            catch (Exception e)
            {
                return new OperationOutpu { Status = false, Msg = e.Message };
                throw new Exception(e.Message);
            }
        }
    }
    public class XmlModel
    {
        public string TagName { get; set; }
        public object Value { get; set; }
    }
}