2021-10-25

using LoginDemo.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
namespace LoginDemo.Controllers
{
    public class HomeController : Controller
    {
        private readonly ILogger<HomeController> _logger;
        private LoginDemoContext db = new LoginDemoContext();
       
        public HomeController(ILogger<HomeController> logger)
        {
            _logger = logger;
        }

        public IActionResult Index()
        {
            return View();
        }
        public IActionResult Login(string Account, string Pwd)
        {
            ContentResult Content = new ContentResult();
            Content.ContentType = "text/html";
            if (string.IsNullOrEmpty(Account))
            {
                return RedirectToAction("index");
            }
            if (string.IsNullOrEmpty(Pwd))
            {
                return RedirectToAction("index");
            }
            LoginUser data = db.LoginUsers.Where(p =>  p.Account == Account.Trim() 
            && p.Pwd == Pwd.Trim()).FirstOrDefault();
            if (data == null)
            {
                return RedirectToAction("index");
            }
            HttpContext.Session.SetString("account", data.Account);


            return RedirectToAction("list");
        }
        public IActionResult list()
        {
            List<LoginUser> data = db.LoginUsers.ToList();
            if (HttpContext.Session.GetString("account") != null)
            {
                ViewBag.Account = HttpContext.Session.GetString("account");
            }
            else
            {
                return RedirectToAction("index");
            }
          
            return View(data);
        }
        public IActionResult add()
        {;
            return View();
        }
        public IActionResult edit(int id)
        {
            
            return View(db.LoginUsers.Find(id));
        }
        public IActionResult delete(int id)
        {
            LoginUser data = db.LoginUsers.Find(id);
             db.LoginUsers.Remove(data);
             db.SaveChanges();
            return RedirectToAction("list");
        }
        public IActionResult save(LoginUser loginUser)
        {
            if (loginUser.Id > 0)
            {
               //修改
             LoginUser data=  db.LoginUsers.Find(loginUser.Id);
                if (data != null)
                {
                    data.Name = loginUser.Name;
                    data.Sex = loginUser.Sex;
                    data.Account = loginUser.Account;
                    data.Address = loginUser.Address;
                    data.Pwd = loginUser.Pwd;
                }
            }
            else
            {
                //新增
                db.LoginUsers.Add(loginUser);
            }
            db.SaveChanges();
            return RedirectToAction("list");
        }
        public IActionResult Privacy()
        {
            return View();
        }

        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public IActionResult Error()
        {
            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
        }
    }
}

标签：10,return,IActionResult,25,db,2021,using,data,public
来源： https://blog.csdn.net/weixin_45376737/article/details/120946652