HENGCHENG/DSWeb/Areas/SoftMng/Controllers/JsonHandlerController.cs

using System;
using System.Data;
using System.Linq;
using System.Text;
using System.Web.Mvc;
using DSWeb.SoftMng.BLL;
using DSWeb.SoftMng.Model;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
// ReSharper disable once CheckNamespace
namespace DSWeb.SoftMng.Controllers
{
    public class JsonHandlerController : Controller
    {
        #region Json 读写
        /// <summary>
        /// 写入 Json 文件
        /// </summary>
        /// <param name="name">根节点名称</param>
        /// <param name="path">路径</param>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        public void WriteJson(string name,string path,string key, string value)
        {
            //获取物理路径
            path = Server.MapPath(path);
            //判断文件是否存在
            if (System.IO.File.Exists(path))
            {
                string jsonString = System.IO.File.ReadAllText(path, Encoding.Default);//读取 Json 文件
                JObject jo = JObject.Parse(jsonString);//解析 Json 文件
                //JObject json = new JObject()
                //{
                //    ["Key"] = key,
                //    ["Value"] = value
                //};
 //               jo[name][0].AddAfterSelf(json);
                System.IO.File.WriteAllText(path, Convert.ToString(jo));//将内容写进jon文件中
            }
            else
            {
                throw new Exception("文件不存在");
            }
        }
        #endregion

        #region 自定义列 操作
        /// <summary>
        /// 获取自定义列
        /// </summary>
        /// <returns></returns>
        public JsonResult GetCustomHead(string nodeName, string userCode)
        {
            sys_CustomColumnsConfigBLL bll = new sys_CustomColumnsConfigBLL();
            StringBuilder where = new StringBuilder();
            where.Append(string.Format(" NodeName = '{0}' AND UserCode = '{1}'", nodeName, userCode));
            var model = bll.GetModelList(where.ToString()).FirstOrDefault();
            return model != null ? Json(new { data = model.UserConfig, exist = true }) : Json(new { exist = false });
        }
        /// <summary>
        /// 配置自定义列
        /// </summary>
        /// <returns></returns>
        public JsonResult SetCustomHead(sys_CustomColumnsConfig model)
        {
            bool result;
            sys_CustomColumnsConfigBLL bll = new sys_CustomColumnsConfigBLL();
            StringBuilder where = new StringBuilder();
            where.Append(string.Format(" NodeName = '{0}' AND UserCode = '{1}'", model.NodeName, model.UserCode));
            var list = bll.GetModelList(where.ToString());
            if (list.Count == 0)
            {
                model.GId = Guid.NewGuid().ToString();
                result = bll.Add(model) > 0;
            }
            else
            {
                model.GId = list[0].GId;
                result = bll.Update(model) > 0;
            }

            return Json(new { success = result, message = result ? "操作成功" : "操作失败" });
        }
        /// <summary>
        /// 删除自定义列
        /// </summary>
        /// <param name="nodeName"></param>
        /// <param name="userCode"></param>
        /// <returns></returns>
        public JsonResult DelCustomHead(string nodeName, string userCode)
        {
            bool result;
            sys_CustomColumnsConfigBLL bll = new sys_CustomColumnsConfigBLL();
            StringBuilder where = new StringBuilder();
            where.Append(string.Format(" NodeName = '{0}' AND UserCode = '{1}'", nodeName, userCode));
            result = bll.DeleteListWhere(where.ToString()) > 0;
            return Json(new { success = result, message = result ? "操作成功" : "操作失败" });
        }
        #endregion

        #region 即时通讯
        [HttpPost]
        public JsonResult GetOnlineUser()
        {
            userBLL bll=new userBLL();
            try
            {
                var list = bll.GetModelList("");
                var result = new { state = true, data = list };
                return Json(result);
            }
            catch (Exception e)
            {
                var result = new { state = false, message = e.Message };
                return Json(result);
            }
        }
        #endregion
    }
}