1.方式1 url：http://localhost:3651/recruit/index.asmx?WSDL
post 内容：
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:tem="http://tempuri.org/">
<soapenv:Header/>
<soapenv:Body>
<tem:HelloWorld>
<!--Optional:-->
<tem:msg>this is abc</tem:msg>
</tem:HelloWorld>
</soapenv:Body>
</soapenv:Envelope>
方式2：url ：http://localhost:3651/recruit/index.asmx?op=HelloWorld
post参数：msg=123
方式3：url :http://localhost:3651/recruit/index.asmx/HelloWorld
post参数：msg=123