npm install soap 
npm install sinon 
npm install request 
npm install debug 
npm install lodash 
npm install soap 
npm install concat-stream 
npm install optional 
npm install ejs 
npm install xml-crypto 
npm install node-uuid 
npm install sax 
npm install strip-bom 
npm install selectn 
npm install mocha –save-dev

var wsdlOptions ={
  "overrdeRootElement":{
    "namespace":"xmlns:tns",
    "xmlnsAttributes":[{
        "name":"xmlns:ns",
        "value":"http://www.yourCompany.com"
    }]
  }
};

var url='http://www.1sucai.cn/WebService/WebService?wsdl';

var soap=require('soap');

var args={'Param1':'value1','Param2':'value2'};
soap.createClient(url,wsdlOptions,function(err,client){
if(err!==null){
console.log(err);
}
// client.setSOAPAction(url);
client.MyService(args,function(err,result){
if(err!==null){
console.log(err);
}
console.log
(result);
});

});

node myServer.js