public async Task <IActionResult> Login(LoginViewModel model)
{
if (model == null)
{
model = new LoginViewModel();
model.ErrorInfo = "请输入用户名";
}
var userPrincipal = await _IdentityService.CheckUserAsync(model.UserName, model.Password);
if (userPrincipal != null)
{
await HttpContext.SignInAsync(IdentityService.AuthenticationScheme, userPrincipal);
if (string.IsNullOrEmpty(model.ReturnUrl))
{
model.ReturnUrl = "/Home/MainPage";
}
return(Redirect(model.ReturnUrl));
}
else
{
model.ErrorInfo = "用户名或密码错误";
}
return(View("~/Views/Home/Index.cshtml", model));
}
public async Task <IActionResult> Login(LoginViewModel model, string returnUrl = null)
{
ViewData["Error"] = true;
ViewData["ReturnUrl"] = returnUrl;
model.Email = model.Email?.Trim();
model.Password = model.Password?.Trim();
if (!ModelState.IsValid)
{
return(View(model));
}
var user = await _identityService.CheckUserAsync(model.Email, model.Password);
if (user == null)
{
ModelState.AddModelError(string.Empty, "用户名或密码错误");
model.Password = string.Empty;
return(View(model));
}
ViewData["Error"] = false;
//登录
await HttpContext.Authentication.SignInAsync(IdentityService.AuthenticationScheme, user);
//重定向
return(RedirectToLocal(returnUrl));
}
public async Task <IActionResult> Login(LoginViewModel model, string returnUrl = null)
{
ViewData["ReturnUrl"] = returnUrl;
if (!ModelState.IsValid)
{
return(View(model));
}
//使用用户名和密码获取用户信息
var user = await _identityService.CheckUserAsync(model.UserName, model.Password);
if (user == null)
{
//无用户返回错误
ModelState.AddModelError(string.Empty, "用户名或密码错误!");
return(View(model));
}
//登录，在Response中设置Cookie
await HttpContext.Authentication.SignInAsync(IdentityService.AuthenticationScheme, user);
return(RedirectToLocal(returnUrl));
}
