我有一个像这样的 WCF 服务:
[ServiceContract( SessionMode=SessionMode.Required)]
public interface IService
{
[OperationContract(IsInitiating = true, IsTerminating = false)]
void login(string id);
[OperationContract(IsInitiating = false, IsTerminating = false)]
string getdata();
}
public class Service : IService
{
public void login(string hashedid)
{
if (username != "someusername" || password != "somepassword")
{
// can not get data
}
else
{
// can get data
}
}
public string getdata()
{
return "these are data";
}
}
如何编写方法登录并创建客户端应用程序? 谢谢你。
最佳答案
[ServiceContract( SessionMode=SessionMode.Required)]
public interface IService
{
[OperationContract(IsInitiating = true, IsTerminating = false)]
void login(string username, string password);
[OperationContract(IsInitiating = false, IsTerminating = false)]
string getdata();
}
public class Service : IService
{
// todo: make threadsafe!
public static List<Guid> authenticated = new List<Guid>();
public void login(string username, string password)
{
if (username == "correctUsername" || password == "correctPassword")
{
// user has given correct username/pasword
Guid currentSessionId = OperationContext.Current.SessionId;
// note: can throw Exception when calling login twice or more, check if item exists first
authenticated.Add(currentSessionId);
}
}
public string getdata()
{
Guid currentSessionId = OperationContext.Current.SessionId;
if (List.Contains(currentSessionId)
{
return "these are data";
}
return String.Empty;
}
}
您可以通过当前 session ID 来识别 session 。用户正确验证后,您可以将此 session 添加到已验证 session 列表中。
注意:这只是一些伪代码。关闭 session 时应删除 session ID,我使用的列表不是线程安全的,...但我希望这可以帮助您进入正确的方向。
关于wcf - 简单登录,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/2763384/