winform里宿主WCF，并传递winform变量给WCF

最近客户要求把服务器端程序里的二个功能用service的方式提供出来，方便调用。首先想着单独建一个wcf 服务的项目，但是因为要用到server端程序winform里的变量，因此只能在winform里添加一个wcf service的item。下面介绍详细的操作步骤：

 

1. winform里添加wcf service的item

添加之后，app.config里会自动加上wcf的配置项：

<system.serviceModel>
    <behaviors>
      <serviceBehaviors>
        <behavior name="">
          <serviceMetadata httpGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="true" />

        </behavior>
      </serviceBehaviors>
    </behaviors>
    <services>
      <service name="OrayTalk.Server.Broadcast.BroadcastService">
        <endpoint address="" binding="basicHttpBinding" contract="OrayTalk.Server.Broadcast.IBroadcastService">
          <identity>
            <dns value="localhost" />
          </identity>
        </endpoint>
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:8111/BroadcastService" />
          </baseAddresses>
        </host>
      </service>
    </services>
  </system.serviceModel>

 

其中下面这行，我把它改得简单了一点，默认的地址太长：

<add baseAddress="http://localhost:8111/BroadcastService" />

 

2.  定义好service，这里我用构造函数把winform里的变量传进来:

public class BroadcastService : IBroadcastService
{
    public static IRapidServerEngine m_RapidServerEngine;
    public static IOrayCache m_OrayCache;

    public BroadcastService(IRapidServerEngine rapidServerEngine, IOrayCache orayCache)
    {
        m_RapidServerEngine = rapidServerEngine;
        m_OrayCache = orayCache;
    }

    ...
}

 

3. 在form的load事件里host wcf服务， closed事件里关闭：

ServiceHost m_Host;
private void MainServerForm_Load(object sender, EventArgs e)
{
    try
    {
        BroadcastService broadcastSvc = new BroadcastService(this.rapidServerEngine, orayCache);
        m_Host = new ServiceHost(broadcastSvc);
        m_Host.Open();
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}

private void MainServerForm_FormClosed(object sender, FormClosedEventArgs e)
{
    m_Host.Close();
}

 

这里要注意的是下面二行，把变量传递进去：

BroadcastService broadcastSvc = new BroadcastService(this.rapidServerEngine, orayCache);
m_Host = new ServiceHost(broadcastSvc);

如果不用传变量到wcf服务里，可以简化成

m_Host = new ServiceHost(typeof(BroadcastService))

4. wcf服务类上加上属性

[ServiceBehavior(InstanceContextMode = InstanceContextMode.Single)]
public class BroadcastService : IBroadcastService

5. 启动winform程序后，就可以访问在第一步里定义的wcf地址了

<add baseAddress="http://localhost:8111/BroadcastService" />

 

这时访问http://localhost:8111/BroadcastService即可。

 

 

疯吻IT