alipayclient alipayclient = new defaultalipayclient( "https://openapi.alipay.com/gateway.do" , "app_id" , "your private_key" , "json" , "gbk" , "alipay_public_key" , "rsa2" );zolozauthenticationcustomerftokenqueryrequest request = new zolozauthenticationcustomerftokenqueryrequest();request.setbizcontent( "{" "\\"ftoken\\":\\"fp0593e8d5c136277f13fd\\"" "}" );zolozauthenticationcustomerftokenqueryresponse response = alipayclient.execute(request); if (response.issuccess()){ string uid = (string)response.get( "uid" ); ...}