【正文】 VERSION=version是請求的IMS版本REQUEST= RegisterLayer是指定請求的服務(wù)名為RegisterLayer服務(wù)SERVICENAME=world是指定準(zhǔn)備要注冊圖層的wfs服務(wù)名SERVICETYPE=wfs是指定準(zhǔn)備要注冊圖層的服務(wù)類別是wfs服務(wù)，僅支持wfs服務(wù)LAYERNAME=cities是指定準(zhǔn)備注冊圖層的名稱，對應(yīng)數(shù)據(jù)庫中的表名ALIASNAME=foreigncities否指定準(zhǔn)備注冊圖層的別名，WFS服務(wù)對圖層的訪問通過這一名字 DRIVERID=geodesde是指定數(shù)據(jù)源的類型，對應(yīng)的類型有g(shù)eodesde為等DATASPACEURI=是指定數(shù)據(jù)源的URI連接,格式為SERVER=。 //數(shù)據(jù)源端口DATABASE=pgisdb。 //用戶名PASSWORD=gis0001 //密碼7) 請求示例：:2087/ims?SERVICE=IMSamp。REQUEST=RegisterLayeramp。SERVICETYPE=wfsamp。ALIASNAME=foreigncitiesamp。DATASPACEURI=SERVER=。DATABASE=pgisdb。PASSWORD=gis00018) 返回結(jié)果：?xml version= encoding=GBK ? RegisterLayerSUCCESS/RegisterLayer9) 返回結(jié)點(diǎn)參數(shù)說明：RegisterLayer：說明此次操作為注冊圖層，SUCCESS表明注冊成功； RemoveLayer接口1) 名稱：IMS刪除圖層2) 標(biāo)準(zhǔn)命名：RemoveLayer3) 說明：RemoveLayer接口用于移除指定WFS服務(wù)中的指定圖層。REQUEST=RemoveLayeramp。SERVICETYPE=wfsamp。REQUEST=RemoveLayeramp。SERVICETYPE=wfsamp。 WFS接口 GetCapabilities接口1) 名稱：WFS描述服務(wù)2) 標(biāo)準(zhǔn)命名：GetCapabilities3) 說明：GetCapablities接口用于獲取WFS服務(wù)的元數(shù)據(jù)信息。SERVICE=WFSamp。SERVICE=WFSamp。 subType=gml//ows:Value /ows:Parameter /ows:Operation ows:Operation name=GetFeature ows:DCP ows:HTTP ows:Get xlink:href=:81/wfs?/ ows:Post xlink:href=:81/wfs/ /ows:HTTP /ows:DCP ows:Parameter name=resultType ows:Valueresults/ows:Value ows:Valuehits/ows:Value /ows:Parameter ows:Parameter name=outputFormat ows:Valuetext/xml。 subType=gml//ows:Value /ows:Parameter /ows:Operation ows:Operation name=Transaction ows:DCP ows:HTTP ows:Get xlink:href=:81/wfs?/ ows:Post xlink:href=:81/wfs/ /ows:HTTP /ows:DCP ows:Parameter name=inputFormat ows:Valuetext/xml。 wfs:FeatureTypeList !— FeatureType Node 224。 wfs:Titlecities/wfs:Title ows:Keywords ows:Keywordcities/ows:Keyword ows:Keywordcities/ows:Keyword /ows:Keywords wfs:DefaultSRSEPSG:62696405/wfs:DefaultSRS wfs:OutputFormats wfs:Formattext/xml。 ows:LowerCorner /ows:LowerCorner ows:UpperCorner /ows:UpperCorner /ows:WGS84BoundingBox /wfs:FeatureType wfs:FeatureType wfs:Nameworld:country/wfs:Name wfs:Titlecountry/wfs:Title ows:Keywords ows:Keywordcountry/ows:Keyword ows:Keywordcountry/ows:Keyword /ows:Keywords wfs:DefaultSRSEPSG:62696405/wfs:DefaultSRS wfs:OutputFormats wfs:Formattext/xml。 subtype=gml//wfs:Format /wfs:OutputFormats ows:WGS84BoundingBox ows:LowerCorner /ows:LowerCorner ows:UpperCorner /ows:UpperCorner /ows:WGS84BoundingBox /wfs:FeatureType /wfs:FeatureTypeList ogc:Filter_Capabilities ogc:Spatial_Capabilities ogc:GeometryOperands ogc:GeometryOperandgml:Envelope/ogc:GeometryOperand ogc:GeometryOperandgml:Point/ogc:GeometryOperand ogc:GeometryOperandgml:Polygon/ogc:GeometryOperand ogc:GeometryOperandgml:LineString/ogc:GeometryOperand /ogc:GeometryOperands ogc:SpatialOperators ogc:SpatialOperator name=BBOX/ ogc:SpatialOperator name=Equals/ ogc:SpatialOperator name=Disjoint/ ogc:SpatialOperator name=Intersects/ ogc:SpatialOperator name=Crosses/ ogc:SpatialOperator name=Touches/ ogc:SpatialOperator name=Within/ ogc:SpatialOperator name=Contains/ ogc:SpatialOperator name=Overlaps/ /ogc:SpatialOperators /ogc:Spatial_Capabilities ogc:Scalar_Capabilities ogc:LogicalOperators/ ogc:ComparisonOperators ogc:ComparisonOperatorEqualTo/ogc:ComparisonOperator ogc:ComparisonOperatorNotEqualTo/ogc:ComparisonOperator ogc:ComparisonOperatorLessThan/ogc:ComparisonOperator ogc:ComparisonOperatorGreaterThan/ogc:ComparisonOperator ogc:ComparisonOperatorLessThanEqualTo/ogc:ComparisonOperator ogc:ComparisonOperatorGreaterThanEqualTo/ogc:ComparisonOperator ogc:ComparisonOperatorLike/ogc:ComparisonOperator ogc:ComparisonOperatorBetween/ogc:ComparisonOperator ogc:ComparisonOperatorNullCheck/ogc:ComparisonOperator /ogc:ComparisonOperators /ogc:Scalar_Capabilities ogc:Id_Capabilities ogc:EID/ ogc:FID/ /ogc:Id_Capabilities /ogc:Filter_Capabilities/wfs:WFS_Capabilities9) 返回參數(shù)說明：節(jié)點(diǎn)名節(jié)點(diǎn)屬性屬性說明子節(jié)點(diǎn)名說明WFS_CapabilitiesFeatureTypeListWFS服務(wù)中已注冊的圖層的列表節(jié)點(diǎn)名子節(jié)點(diǎn)名說明FeatureTypeListFeatureTypeWFS中每一個(gè)圖層稱為一個(gè)FeatureType，F(xiàn)eatureType包含圖層的而基本信息。 subtype=gml/WGS84BoundingBox圖層的WGS84空間范圍節(jié)點(diǎn)名子節(jié)點(diǎn)名說明WGS84BoundingBoxLowerCorner左下角坐標(biāo)點(diǎn)UpperCorner右上角坐標(biāo)點(diǎn) DescribeFeatureType接口1) 名稱：WFS圖層元數(shù)據(jù)信息描述服務(wù)2) 標(biāo)準(zhǔn)命名：DescribeFeatureType3) 說明：DescribeFeatureType接口用于獲取WFS服務(wù)的關(guān)于圖層的元數(shù)據(jù)信息，包括圖層名稱、圖層包含字段、字段類型等信息。REQUEST=DescribeFeatureTypeamp。TYPENAME=qhd:l4_navi_point_pointamp。subtype=gml/6) 參數(shù)說明：參數(shù)是否必須說明VERSION=version是請求的WFS版本SERVICE=WFS是指定請求的服務(wù)類型為WFS服務(wù)，必須為WFSREQUEST=GetFeature是指定請求的服務(wù)名為GetFeature服務(wù)TYPENAME=layer是要查詢的圖層名OUTPUTFORMATREQUEST=DescribeFeatureTypeamp。TYPENAME=qhd:l4_navi_point_pointamp。subtype=gml/8) 返回結(jié)果：?xml version= encoding=GBK?xsd:schema xmlns= xmlns:gml= xmlns:xsd= xsd:import namespace= schemaLocation=../gml// xsd:element name=cities type=citiesType substitutionGroup=gml:_Feature/ xsd:plexType name=citiesType xsd:plexContent xsd:extension base=gml:AbstractFeatureType xsd:seq