//检查应答报文中是否有错
//有错就打印出错信息，没错就打印到正确的返回值helloworld
if (resp.generatedfault()) {
fault fault = resp.getfault();
system.out.println("the following error occured: ");
system.out.println(" fault code = " + fault.getfaultcode());
system.out.println(" fault string =" + fault.getfaultstring());
} else {
parameter result = resp.getreturnvalue();
