首先看看一段简单的JAVA代码,我们用它作为WSDL的服务实现代码:
public class Test
{
public String echo(String u){
return "Hello " + u;
}
}
然后看看用它导出的WSDL:
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions targetNamespace="http://businessEngine.hongsoft.com" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:apachesoap="http://xml.apache.org/xml-soap" xmlns:impl="http://businessEngine.hongsoft.com-impl" xmlns:intf="http://businessEngine.hongsoft.com" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<wsdl:types/>//我们没有自定义的类型
<wsdl:message name="echoResponse">//返回的消息
<wsdl:part name="echoReturn" type="xsd:string"/>
</wsdl:message>
<wsdl:message name="echoRequest">//请求的消息
<wsdl:part name="u" type="xsd:string"/>
</wsdl:message>
<wsdl:portType name="Test">//一个portType可以看着一个类
<wsdl:operation name="echo" parameterOrder="u">//一个operation就是一个方法
<wsdl:input message="intf:echoRequest" name="echoRequest"/>
<wsdl:output message="intf:echoResponse" name="echoResponse"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="TestSoapBinding" type="intf:Test">
//下面指定消息封装方式
<wsdlsoap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
//下面将WSDL描述与具体实现进行绑定,这里采用SOAP方式
<wsdl:operation name="echo">
<wsdlsoap:operation soapAction=""/>
<wsdl:input name="echoRequest">
<wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://businessEngine.hongsoft.com" use="encoded"/>
</wsdl:input>
<wsdl:output name="echoResponse">
<wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://businessEngine.hongsoft.com" use="encoded"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
//下面将发布的服务与前面的SOAP绑定进行关联
<wsdl:service name="TestService">
<wsdl:port binding="intf:TestSoapBinding" name="Test">
<wsdlsoap:address location="http://localhost:8080/hongsoft/services/Test"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions> 
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