soap1.1和soap1.2的命名空间
SOAP1.1：http://schemas.xmlsoap.org/wsdl/soap/

SOAP1.2： http://www.w3.org/2003/05/soap-envelope

WSDL1.1：http://schemas.xmlsoap.org/wsdl/

WSDL1.1对SOAP1.2绑定扩展：http://schemas.xmlsoap.org/wsdl/soap12/