��鼠标右键单击事件
            mouseEventManager.registerMouseEvent('RIGHT_CLICK', function(e) {
                mouseEventManager.unRegisterMouseEvent('LEFT_CLICK');
                mouseEventManager.unRegisterMouseEvent('RIGHT_CLICK');
            });
        }

        /*绘制线*/
        function interactionDraw() {
            //清除绘制的内容
            removeEntities();

            var pointArray = new Array();
            var allPoint = new Array();
            //注册鼠标左�