/*
* ************控制器私有方法************
*/
private bool ValidateUserCode(string code)
{
//先获取服务器端的code
if (string.IsNullOrEmpty(code))
{
return(false);
}
string servercode = String.Empty;
try
{
servercode = CacheResolver.GetCache(ValidateCodeId.GetValidateCodeId()) as string;
}
catch (NullReferenceException)
{
//缓存的数据失效了
return(false);
}
if (null == servercode)
{
return(false);
}
if (code != servercode)
{
return(false);
}
return(true);
}
public ActionResult GetValidateCode()
{
//有可能会用户刷新验证码，所以我们要消除原来的验证码
CacheResolver.DeleteCache(ValidateCodeId.GetValidateCodeId());
ValidateCode code = new ValidateCode();
string codevalue = code.CreateValidateCode(6);//6位长度的值
//开始存入缓存服务器
CacheResolver.SetCache(ValidateCodeId.GetValidateCodeId(), codevalue);
return(File(code.CreateValidateGraphic(codevalue), @"image/jpeg"));
}
public ActionResult Login()
{
string message = string.Empty;
bool state = false;
if (!ValidateUserCode(Request["validatecode"]))
{
message = "验证码错误";
CacheResolver.DeleteCache(ValidateCodeId.GetValidateCodeId());
return(Content(JsonString.GetString(new { state = state, message = message })));
}
string account = Request["account"];
string password = Request["password"];
SessionModel currentSessionModel = new SessionModel();
try
{
currentSessionModel.User = UserService.Login(account, password);
state = true;
message = "登录成功";
}
catch (UserException e)
{
message = e.Message;
}
catch (ArgumentNullException e)
{
message = e.Message;
}//删除验证码
finally
{
CacheResolver.DeleteCache(ValidateCodeId.GetValidateCodeId());
}
if (state == false)
{
//开始返回
return(Content(JsonString.GetString(new { state = state, message = message })));
}
//在请求的开始已经处理了sessionid的写入了
UserState.SetCurrentUser(SessionId.GetSessionId(), currentSessionModel);
//不进行捕获异常，由mvc来进行处理
bool rem = Request["remember"] == "1";
//其中的密码是md5密码
RememeberMe(account, currentSessionModel.User.Password, rem);
//登录成功要做的就是要消除这个验证码
CacheResolver.DeleteCache(ValidateCodeId.GetValidateCodeId());
return(Content(JsonString.GetString(new { state = state, message = message, user = UserService.GetViewUser(currentSessionModel.User) })));
}