WCF事务演示经典实例剖析

//　--------　Service1　-----------------  
[ServiceContract]  
public　interface　IService1  
{  
[OperationContract]  
[TransactionFlow(TransactionFlowOption.Allowed)]  
void　Test();  
}  
public　class　MyService1　:　IService1  
{  
[OperationBehavior(TransactionScopeRequired=true)]  
public　void　Test()  
{  
string　connStr　=　"server=(local);uid=sa;pwd=sa;database=temp";  
using　(SqlConnection　conn　=　new　SqlConnection(connStr))  
{  
conn.Open();  
SqlCommand　cmd　=　new　SqlCommand("insert　into　[User]　
([name])　values　(@name)",　  
conn);  
cmd.Parameters.Add(new　SqlParameter("@name",　"ZhangSan"));  
cmd.ExecuteNonQuery();  
}  
}  
}  
//　--------　Service2　-----------------  
[ServiceContract]  
public　interface　IService2  
{  
[OperationContract]  
[TransactionFlow(TransactionFlowOption.Allowed)]  
void　Test();  
}  
public　class　MyService2　:　IService2  
{  
[OperationBehavior(TransactionScopeRequired　=　true)]  
public　void　Test()  
{  
string　connStr　=　"server=(local);uid=sa;pwd=sa;database=temp";  
using　(SqlConnection　conn　=　new　SqlConnection(connStr))  
{  
conn.Open();  
SqlCommand　cmd　=　new　SqlCommand("insert　into　Account　
([user],　[money])　values　(@user,　@money)",　  
conn);  
cmd.Parameters.Add(new　SqlParameter("@user",　"ZhangSan"));  
cmd.Parameters.Add(new　SqlParameter("@money",　100));  
cmd.ExecuteNonQuery();  
}  
}  
}  
public　class　WcfTest  
{  
public　static　void　Test()  
{  
//　--------　Host　-----------------  
AppDomain.CreateDomain("Server").DoCallBack(delegate  
{  
NetTcpBinding　bindingServer　=　new　NetTcpBinding();  
bindingServer.TransactionFlow　=　true;  
ServiceHost　host1　=　new　ServiceHost(typeof(MyService1),　
new　Uri("net.tcp://localhost:8080"));  
host1.AddServiceEndpoint(typeof(IService1),　bindingServer,　"");  
host1.Open();  
ServiceHost　host2　=　new　ServiceHost(typeof(MyService2),　
new　Uri("net.tcp://localhost:8081"));  
host2.AddServiceEndpoint(typeof(IService2),　bindingServer,　"");  
host2.Open();  
});  
//　--------　Client　-----------------  
NetTcpBinding　bindingClient　=　new　NetTcpBinding();  
bindingClient.TransactionFlow　=　true;  
IService1　client1　=　ChannelFactory<IService1>.CreateChannel
(bindingClient,　  
new　EndpointAddress("net.tcp://localhost:8080"));  
IService2　client2　=　ChannelFactory<IService2>.CreateChannel
(bindingClient,　  
new　EndpointAddress("net.tcp://localhost:8081"));  
using　(TransactionScope　scope　=　new　TransactionScope())  
{  
try  
{  
client1.Test();  
client2.Test();  
scope.Complete();  
}  
finally  
{  
(client1　as　IDisposable).Dispose();  
(client2　as　IDisposable).Dispose();  
}  
}  
}  
} 
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