【解决办法】a,wfs100：http://xxx:8090/iserver/services/data-CHEN/wfs100/utf-8?service=WFS&version=1.0.0&request=Getfeature&typename=CHEN:NewDataset&outputformat=json
b,wfs200：http://xxx:8090/iserver/services/data-CHEN/wfs200/utf-8?service=WFS&version=2.0.0&request=Getfeature&typenames=CHEN:NewDataset&outputformat=json
c,wfs200需要使用typenames
