public JsonResult Quit([FromBody] FromQuit fromQuit)
{
bool state = false;
if (_context.LoginUserTable.Where(u => u.UId == fromQuit.id && u.URank == fromQuit.rank).Count() > 0)
{
LoginUserTable newLoginUser = new LoginUserTable()
{
UId = fromQuit.id, URank = fromQuit.rank
};
_context.LoginUserTable.Remove(newLoginUser);
if (_context.SaveChanges() > 0) // 删除登录信息
{
state = true;
}
}
return(Json(new { state }));
}
public JsonResult Login([FromBody] FromLogin fromLogin)
{
// 0 登录失败/已在线 1 密码错误 2 账号不存在
string token = "";
int uid = -1; // 用户id
string hint = "用户类型错误";
int state = 3;
if (fromLogin.rank == (int)Rank.User) // 普通用户
{
if (_context.UserTable.Where(u => u.UName == fromLogin.name).Count() > 0)
{
if (_context.UserTable.Where(u => u.UName == fromLogin.name && u.UPassword == fromLogin.pass).Count() > 0)
{
// 获取用户ID
foreach (var u in _context.UserTable.Where(u => u.UName == fromLogin.name && u.UPassword == fromLogin.pass).Select(s => s.UId))
{
uid = u;
}
// 查询该用户是否已登录
if (_context.LoginUserTable.Where(u => u.UId == uid && u.URank == (int)Rank.User).Count() > 0)
{
token = GetToken(Rank.User, fromLogin.name, fromLogin.pass); // 生成token值
LoginUserTable updateLoginUser = new LoginUserTable()
{
UId = uid, URank = (int)Rank.User, UToken = token
};
_context.LoginUserTable.Update(updateLoginUser);
if (_context.SaveChanges() > 0) // 保存登录用户信息
{
return(Json(new { login = new { uid = uid, rank = (int)Rank.User, token, state = 99 } }));
}
hint = "登录失败"; state = 0;
}
else
{
token = GetToken(Rank.User, fromLogin.name, fromLogin.pass); // 生成token值
LoginUserTable newLoginUser = new LoginUserTable()
{
UId = uid, URank = (int)Rank.User, UToken = token
};
_context.LoginUserTable.Add(newLoginUser);
if (_context.SaveChanges() > 0) // 保存登录用户信息
{
return(Json(new { login = new { uid = uid, rank = (int)Rank.User, token, state = 99 } }));
}
hint = "登录失败"; state = 0;
}
}
else
{
hint = "密码错误"; state = 1;
}
}
else
{
hint = "该账号不存在"; state = 2;
}
}
else if (fromLogin.rank == (int)Rank.Admin) // 管理员
{
if (_context.AdminTable.Where(u => u.AId == fromLogin.name).Count() > 0)
{
if (_context.AdminTable.Where(u => u.AId == fromLogin.name && u.APassword == fromLogin.pass).Count() > 0)
{
uid = 0;
// 查询该管理员是否已登录
if (_context.LoginUserTable.Where(u => u.UId == uid && u.URank == (int)Rank.Admin).Count() > 0)
{
token = GetToken(Rank.Admin, fromLogin.name, fromLogin.pass); // 生成token值
LoginUserTable newLoginUser = new LoginUserTable()
{
UId = uid, URank = (int)Rank.Admin, UToken = token
};
_context.LoginUserTable.Update(newLoginUser);
if (_context.SaveChanges() > 0) // 保存登录管理员信息
{
return(Json(new { login = new { uid = uid, rank = (int)Rank.User, token, state = 99 } }));
}
hint = "登录失败"; state = 0;
}
else
{
token = GetToken(Rank.Admin, fromLogin.name, fromLogin.pass); // 生成token值
LoginUserTable newLoginUser = new LoginUserTable()
{
UId = uid, URank = (int)Rank.Admin, UToken = token
};
_context.LoginUserTable.Add(newLoginUser);
if (_context.SaveChanges() > 0) // 保存登录管理员信息
{
return(Json(new { login = new { uid = uid, rank = (int)Rank.User, token, state = 99 } }));
}
hint = "登录失败"; state = 0;
}
}
else
{
hint = "密码错误"; state = 1;
}
}
else
{
hint = "该账号不存在"; state = 2;
}
}
return(Json(new { login = new { hint, state } }));
}
