本文转自:http://www.cnblogs.com/zhaozhan/archive/2010/10/25/1860837.html

Web Services使用out参数,在SOAP协议中会跟返回值一样作为SOAP响应的内容返回。

Web Services定义:

 1:  public class WebService1 : System.Web.Services.WebService
 2:  {
 3:      [WebMethod]
 4:      public string HelloWorld(out int outParamInt,out TestClass outParamObject)
 5:      {
 6:          outParamInt = 10;
 7:          outParamObject = new TestClass() { ID=1,Name="XX"};
 8:          return "Hello World";
 9:      }
10:  }
11:   
12:  public class TestClass
13:  {
14:      public int ID{get;set;}
15:      public string Name{get;set;}
16:  }
17:   

定义两个out参数:一个int,一个复杂类型的。生成的SOAP:

HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: length <?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<HelloWorldResponse xmlns="http://tempuri.org/">
<HelloWorldResult>string</HelloWorldResult>
<outParamInt>int</outParamInt>
<outParamObject>
<ID>int</ID>
<Name>string</Name>
</outParamObject>
</HelloWorldResponse>
</soap:Body>
</soap:Envelope>

客户端的使用,生成的客户端代码:

1:  public string HelloWorld(out int outParamInt, out Client.localhost.TestClass outParamObject) {
2:      Client.localhost.HelloWorldRequest inValue = new Client.localhost.HelloWorldRequest();
3:      inValue.Body = new Client.localhost.HelloWorldRequestBody();
4:      Client.localhost.HelloWorldResponse retVal = ((Client.localhost.WebService1Soap)(this)).HelloWorld(inValue);
5:      outParamInt = retVal.Body.outParamInt;
6:      outParamObject = retVal.Body.outParamObject;
7:      return retVal.Body.HelloWorldResult;
8:  }
9:   

测试代码:

1:  static void Main(string[] args)
2:  {
3:      localhost.WebService1SoapClient c = new localhost.WebService1SoapClient();
4:      localhost.TestClass testClass1;
5:      int i;
6:      c.HelloWorld(out i,out testClass1);
7:  }
8:   

[转]Web Services使用out参数-LMLPHP

对于其他的客户端,可以跟返回值一样获取out参数。如Flex:

Flex测试代码:

 1:  <?xml version="1.0" encoding="utf-8"?>
 2:  <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
 3:                 xmlns:s="library://ns.adobe.com/flex/spark" 
 4:                 xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
 5:                 creationComplete="app_creationCompleteHandler(event)" >
 6:  <fx:Declarations>
 7:  <!-- 将非可视元素(例如服务、值对象)放在此处 -->
 8:  <s:WebService id="MyService" wsdl="http://localhost:1552/WebService1.asmx?WSDL">
 9:  <s:operation name="HelloWorld" result="onResult(event)"/>
10:          </s:WebService>
11:  </fx:Declarations>
12:      <fx:Script>
13:  <![CDATA[
14:              import mx.events.FlexEvent;
15:              import mx.rpc.events.ResultEvent;
16:   
17:              private function onResult(evnet:ResultEvent):void
18:  {
19:  
20:              }
21:  protected function app_creationCompleteHandler(event:FlexEvent):void
22:  {
23:                  MyService.HelloWorld();
24:              }
25:  
26:           ]]>
27:  </fx:Script>
28:  </s:Application>

跟踪onResult的event的result:

[转]Web Services使用out参数-LMLPHP

04-24 21:27