1
是否有可能/是否有一种解决方法来比较OpenLayers.Filter.Comparison中的第二层次价值?OpenLayers比较过滤器/对象属性
feature.attributes/context is sth。像:
{'foo': 'bar', 'baz': {'lorem': 'ipsum', 'dolor': 'sit'}, 'amet': 1337}
规则看起来像这样:
var rule = new OpenLayers.Rule({
filter: new OpenLayers.Filter.Comparison({
type: '==',
property: 'baz.dolor', /* <- this does not work! */
value: 'sit'
}),
symbolizer: {
graphic: true,
graphicZIndex: 100,
backgroundGraphicZIndex: 500,
externalGraphic: OpenLayers.Util.getImagesLocation() + 'foo.png',
graphicHeight: 22,
graphicWidth: 22,
graphicTitle: '${display_name}',
strokeColor: '#FF0000'
}
});
THX。我是盲人;) – pjeweb
只是有点评论:传递给评估参数实际上是功能,而不是它的属性。所以它会是:'返回feature.attributes.baz.dolor ==='坐' – BiAiB