问题：a公司使用wcf 发布服务（.net Framework 3.0 or 3.5），b公司需要使用a公司发布的服务 ，但b公司目前阶段只使用.net Framework2.0（.net Framework 2.0不支持wcf），如果要调用a公司wcf 服务，那怎么办呢？
一、先上wcf 代码（这里懒得写了，借用microsoft公司发布的wcf samples）：
namespace Microsoft.ServiceModel.Samples
{
// NOTE: If you change the interface name "IService1" here, you must also update the reference to "IService1" in Web.config.
[ServiceContract, XmlSerializerFormat]
public interface ICalculator
{
[OperationContract]
double Add(double n1, double n2);
[OperationContract]
double Subtract(double n1, double n2);
[OperationContract]
double Multiply(double n1, double n2);
[OperationContract]
double Divide(double n1, double n2);
}
public class CalculatorService : ICalculator
{
public double Add(double n1, double n2)
{
return n1 + n2;
}
public double Subtract(double n1, double n2)
{
return n1 - n2;
}
public double Multiply(double n1, double n2)
{
return n1 * n2;
}
public double Divide(double n1, double n2)
{
return n1 / n2;
}
}
}
配置文件：
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<system.serviceModel>
<services>
<service
name="Microsoft.ServiceModel.Samples.CalculatorService"
behaviorConfiguration="CalculatorServiceBehavior">
<endpoint address=""
binding="basicHttpBinding"
contract="Microsoft.ServiceModel.Samples.ICalculator" />
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior name="CalculatorServiceBehavior">
<service@R_502_5635@data httpGetEnabled="True"/>
<serviceDebug includeExceptionDetailInFaults="False" />
</behavior>
</serviceBehaviors>
</behaviors>
</system.serviceModel>
</configuration>
运行，记录服务地址。
二、使用wsdl工具将wcf service生成asp.net webservice方式。
start --->运行--->cmd --->cd C:/Program Files/Microsoft SDKs/Windows/v6.0A/bin 回车。
输入wsdl 服务地址。例（wsdl http://localhost:8571/Service1.svc ）便生成相应的类似asp.net webservice代理类的文件。文件地址亦在上面bin中。
新建Console application (net Framework 2.0),添加刚刚生成的代理类。调用：
调用代码：
class Client
{
static void Main()
{
// Create a client to the CalculatorService
using (CalculatorService client = new CalculatorService())
{
// Call the Add service operation.
double value1 = 100.00D;
double value2 = 15.99D;
double result = client.Add(value1, value2);
Console.WriteLine("Add({0},{1}) = {2}", value1, value2, result);
// Call the Subtract service operation.
value1 = 145.00D;
value2 = 76.54D;
result = client.Subtract(value1, value2);
Console.WriteLine("Subtract({0}, result);
// Call the Multiply service operation.
value1 = 9.00D;
value2 = 81.25D;
result = client.Multiply(value1, value2);
Console.WriteLine("Multiply({0}, result);
// Call the Divide service operation.
value1 = 22.00D;
value2 = 7.00D;
result = client.Divide(value1, value2);
Console.WriteLine("Divide({0}, result);
}
Console.WriteLine();
Console.WriteLine("Press <ENTER> to terminate client.");
Console.ReadLine();
}
}
配置文件：
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add key="CalculatorServiceAddress" value="http://localhost:8571/Service1.svc"/>
</appSettings>
</configuration>
运行，即可成功调用。
项目完整代码。http://files.cnblogs.com/yiyisawa/wcfclienttowebservice.rar
（完）
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