DescribeFeatureType 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=DescribeFeatureType |
是 |
|
TYPENAME |
||
OUTPUTFORMAT |
text/xml; subtype=gml/3.1.1 |
以下是一个 WFS 使用 KVP 格式的 DescribeFeatureType 操作示例:
http://www.someserver.com/wfs?
SERVICE=WFS&
VERSION=1.1.0&
REQUEST=DescribeFeatureType&
TYPENAME=TreesA_1M,BuiltUpA_1M
以下是一个 WFS 使用 XML 格式的 DescribeFeatureType 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
>
以下是一个 WFS 的 DescribeFeatureType 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
>