[{"charset":"gb18030","url":"https://iclient.supermap.io/iserver/services/data-world/wfs100/gb18030"},{"charset":"iso-8859-1","url":"https://iclient.supermap.io/iserver/services/data-world/wfs100/iso-8859-1"},{"charset":"utf-8","url":"https://iclient.supermap.io/iserver/services/data-world/wfs100/utf-8"}]