using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Script.Serialization;

namespace MvcAppDemo.Controllers
{
    public class UserController : Controller
    {
        private DBEntities db = new DBEntities();
        /// <summary>
        /// 使用mvc Json序列化对象
        /// </summary>
        /// <returns>返回是Json数据    数据类型：Json</returns>
        public ActionResult Index()
        {
            var list = db.UserInfo.ToList();
            //如果action是get请求，要加上 JsonRequestBehavior.AllowGet 这个参数
            return Json(list,JsonRequestBehavior.AllowGet);
        }

        // /// <summary>
        /// 使用mvc Json序列化对象
        /// </summary>
        /// <returns>返回是Json数据    数据类型：Json</returns>
        [HttpPost]
        public ActionResult Demo()
        {
            var list = db.Account.ToList();
            //如果action是post请求，可以不需要加上 JsonRequestBehavior.AllowGet 这个参数
            return Json(list);
        }

        /// <summary>
        /// 使用mvc Json序列化对象
        /// </summary>
        /// <returns>返回是Json数据    数据类型：Json</returns>
        [HttpPost]
        public ActionResult Demo2()
        {
            var list = db.Account.ToList();
            //如果action是post请求，也可以加上 JsonRequestBehavior.AllowGet 这个参数
            return Json(list,JsonRequestBehavior.AllowGet);
        }


        /***
         * 
         * 使用JavaScriptSerializer 序列化对象
         * 
         * ***/
        /// <summary>
        /// 使用JavaScriptSerializer 序列化对象
        /// </summary>
        /// <returns>返回是Json数据字符串   数据类型：string</returns>
        public ActionResult JSS()
        {
            var list = db.Account.ToList();
            JavaScriptSerializer jss = new JavaScriptSerializer();
            string content = jss.Serialize(list);
            //返回是json数据的字符串数据
            return Content(content);
        }

        public ActionResult JSS2()
        {
            //将 Response.ContentType = "application/json"; 就变成json数据
            Response.ContentType = "application/json";
            var list = db.Account.ToList();
            JavaScriptSerializer jss = new JavaScriptSerializer();
            string content = jss.Serialize(list);
            //返回是json数据的字符串数据
            return Content(content);
        }


        [HttpPost]
        public ActionResult JSS3()
        {
           
            var list = db.Account.ToList();
            JavaScriptSerializer jss = new JavaScriptSerializer();
            string content = jss.Serialize(list);
            //返回是json数据的字符串数据
            return Content(content);
        }

        [HttpPost]
        public ActionResult JSS4()
        {
            //将 Response.ContentType = "application/json"; 就变成json数据
            Response.ContentType = "application/json";
            var list = db.Account.ToList();
            JavaScriptSerializer jss = new JavaScriptSerializer();
            string content = jss.Serialize(list);
            //返回是json数据的字符串数据
            return Content(content);
        }



    }
}