Openlayer 切换鼠标样式

this._map是Openlayer地图对象

CursorDefault() {this._map.getTargetElement().style.cursor = "default";}CursorHelp() {this._map.getTargetElement().style.cursor = "help";}CursorPointer() {this._map.getTargetElement().style.cursor = "pointer";}CursorPan() {this._map.getTargetElement().style.cursor = "-webkit-grab";}CursorMove() {this._map.getTargetElement().style.cursor = "move";}