Class: DataFlowService

// 浏览器
<script type="text/javascript" src="https://iclient.supermap.io/dist/leaflet/iclient-leaflet.js"></script>
<script>
  new L.supermap.DataFlowService(url, options);
  
  // 弃用的写法
  L.supermap.dataFlowService(url, options);
  
</script>

// ES6 Import
import { DataFlowService } from '@supermap/iclient-leaflet';

new DataFlowService(url, options);

Extends

• ServiceBase

Events

broadcastFailed

leaflet/services/DataFlowService.js, line 58

广播失败。

broadcastSocketConnected

leaflet/services/DataFlowService.js, line 50

broadcast Socket 连接成功。

broadcastSocketError

leaflet/services/DataFlowService.js, line 54

broadcast Socket 连接失败。

broadcastSucceeded

leaflet/services/DataFlowService.js, line 62

广播成功。

inherited destroy

leaflet/services/ServiceBase.js, line 52

资源释放成功后触发。

Properties:

Name	Type	Description
this	ServiceBase	this 对象。

inherited initialized

leaflet/services/ServiceBase.js, line 39

构造函数构造成功后触发。

Properties:

Name	Type	Description
this	ServiceBase	this 对象。

messageSucceeded

leaflet/services/DataFlowService.js, line 74

获取信息成功。

setFilterParamSucceeded

leaflet/services/DataFlowService.js, line 78

设置过滤参数成功。

subscribeSocketConnected

leaflet/services/DataFlowService.js, line 66

订阅数据连接成功。

subscribeSocketError

leaflet/services/DataFlowService.js, line 70

订阅数据连接失败。

Methods

broadcast(obj)

leaflet/services/DataFlowService.js, line 104

加载广播数据。

Name	Type	Description
obj	JSONObject	JSON 格式的要素数据。

inherited destroy()

leaflet/services/ServiceBase.js, line 47

释放资源，将引用的资源属性置空。

initBroadcast()

leaflet/services/DataFlowService.js, line 95

初始化广播。

initSubscribe()

leaflet/services/DataFlowService.js, line 113

初始化订阅数据。

setExcludeField(excludeField)

leaflet/services/DataFlowService.js, line 123

设置排除字段。

Name	Type	Description
excludeField	Object	排除字段。

setGeometry(geometry)

leaflet/services/DataFlowService.js, line 134

设置添加的 GeoJSON 几何要素数据。

Name	Type	Description
geometry	GeoJSONObject	指定几何范围，只有在该范围内的要素才能被订阅。

unBroadcast()

leaflet/services/DataFlowService.js, line 153

结束加载广播。

unSubscribe()

leaflet/services/DataFlowService.js, line 145

结束订阅数据。