public JsonResult AddDevice(string deviceId)
{
try
{
var userId = HttpContext.Session.GetInt32("UserId");
var userName = _context.UserInfo.Where(x => x.Id.Equals(userId)).SingleOrDefault().UserName;
if (_context.DeviceInfo.Where(x => x.DeviceId.Equals(deviceId)).Count() != 0)
{
return(Json("-1"));
}
else
{
DeviceInfo newDevice = new DeviceInfo();
newDevice.UserName = userName;
newDevice.DeviceId = deviceId;
if (_context.DeviceInfo.Count() != 0)
{
newDevice.Id = _context.DeviceInfo.Max(x => x.Id) + 1;
}
else
{
newDevice.Id = 1;
}
_context.Add(newDevice);
_context.SaveChanges();
}
return(Json("1"));
}
catch
{
return(null);
}
}
public JsonResult CheckDevice(string deviceid)
{
var username = HttpContext.Session.GetString("UserName");
int isExistance;
DeviceInfo temp = new DeviceInfo();
string Warning;
if (deviceid == null)
{
return(Json("设备号不能为空"));
}
if (_context.DeviceInfo.Where(x => x.UserName.Equals(username)).Count() != 0)
{
isExistance = _context.DeviceInfo.Where(x => x.UserName.Equals(username)).Where(y => y.DeviceId.Equals(deviceid)).Count();
if (isExistance != 0)
{
Warning = "设备已注册";
return(Json(Warning));
}
}
temp.Id = _context.DeviceInfo.Max(x => x.Id) + 1;
temp.UserName = username;
temp.DeviceId = deviceid;
_context.Add(temp);
_context.SaveChanges();
return(Json("设备添加成功"));
}
public ActionResult AddUser(IFormCollection form)
{
var username = form["username"];
var password = form["password"];
var ta = _context.UserInfo.Where(m => m.UserName.Equals(username)).Select(m => m.Id);
if (ta.Count() != 0)
{
ViewData["warning"] = "该用户已被注册";
return(View("Register"));
}
else
{
var _user = new UserInfo
{
UserName = username,
PassWord = password,
};
_context.Add(_user);
_context.SaveChanges();
return(RedirectToAction("RegisterResult"));
}
}
public async Task <IActionResult> Create([Bind("Id,UserName,PassWord,Address,Tel,Coporation,Department,Sex")] UserInfo userInfo)
{
if (ModelState.IsValid)
{
var test = userInfo.UserName;
if (_context.UserInfo.Where(x => x.UserName.Equals(userInfo.UserName)).Count() != 0)
{
ViewBag.warning = "该用户已存在";
return(View());
}
_context.Add(userInfo);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(userInfo));
}