7.5. GetFeature 操作¶

7.5.1. 1. KVP 格式请求¶

GetFeature 操作需要以下的参数：

参数	是否必须	默认值
VERSION	是	1.1.0
SERVICE	是	WFS
REQUEST=GetFeature	是
TYPENAME	是
OUTPUTFORMAT		text/xml; subtype=gml/3.1.1
BBOX
FILTER
SORTBY
MAXFEATURES
PROPERTYNAME
SRSNAME
FEATUREID
EXPIRY
RESULTTYPE		results
FEATUREVERSION

以下是一个WFS使用KVP格式的GetFeature操作示例：

http://www.someserver.com/wfs？

SERVICE=WFS&

VERSION=1.1.0&

REQUEST=GetFeature&

PROPERTYNAME=InWaterA_1M/wkbGeom,InWaterA_1M/tileId&

TYPENAME=InWaterA_1M&

FILTER=InWaterA_1M/wkbGeom

10,10

20 20

7.5.2. 2.XML格式请求¶

以下是一个WFS使用XML格式的GetFeature操作示例：

xml version="1.0" ?>


<
DescribeFeatureType
 version
="1.1.0"
 service
="WFS"


outputFormat
="text/xml; subtype=gml/3.1.1"
 xmlns
="http://www.opengis.net/wfs"


xmlns
:myns
="http://www.myserver.com/myns"
 xmlns
:xsi
="http://www.w3.org/2001/XMLSchema-instance"


xsi
:schemaLocation
="http://www.opengis.net/wfs ../wfs/1.1.0/WFS.xsd"
>


<
TypeName
>
myns:PersonTypeName
>


DescribeFeatureType
>

7.5.3. 3.响应示例¶

以下是一个WFS的GetFeature操作的响应示例：

xml version="1.0" ?>


<
wfs
:FeatureCollection
 xmlns
="http://www.someserver.com/myns"


xmlns
:myns
="http://www.someserver.com/myns"
 xmlns
:wfs
="http://www.opengis.net/wfs"


xmlns
:gml
="http://www.opengis.net/gml"
 xmlns
:xsi
="http://www.w3.org/2001/XMLSchema-instance"


xsi
:schemaLocation
="http://www.opengis.net/wfs ../wfs/1.1.0/WFS.xsd


http://www.someserver.com/myns ex10.xsd"
>


<
gml
:boundedBy
>


<
gml
:Envelope
>


<
gml
:coord
>


<
gml
:X
>
10gml
:X
>


<
gml
:Y
>
10gml
:Y
>


gml
:coord
>


<
gml
:coord
>


<
gml
:X
>
20gml
:X
>


<
gml
:Y
>
20gml
:Y
>


gml
:coord
>


gml
:Envelope
>


gml
:boundedBy
>


<
gml
:featureMember
>


<
Person
>


<
myns
:lastName
>
Smithmyns
:lastName
>


<
myns
:firstName
>
Fredmyns
:firstName
>


<
myns
:age
>
35myns
:age
>


<
myns
:sex
>
Malemyns
:sex
>


<
myns
:location
>


<
gml
:Point
>


<
gml
:pos
>
15 15gml
:pos
>


gml
:Point
>


myns
:location
>


<
myns
:mailAddress
>


<
myns
:Address
>


<
myns
:streetName
>
Main St.myns
:streetName
>


<
myns
:streetNumber
>
5myns
:streetNumber
>


<
myns
:city
>
SomeCitymyns
:city
>


<
myns
:province
>
Someprovincemyns
:province
>


<
myns
:postalCode
>
X1X 1X1myns
:postalCode
>


<
myns
:country
>
Canadamyns
:country
>


<
myns
:Address
>


myns
:mailAddress
>


Person
>


gml
:featureMember
>


wfs
:FeatureCollection
>