this.navigationParam = new NavigationBackParam(

   '接待点',0.5,30000,5000,1000,4);

<NavigationBackComponent

   param={this.navigationParam}

   onFinish={this.navigationFinish}

   onStatusUpdate={this..navigationOnstatusUpdate}

/>

public navigationBackFinish = (event?: ComponentEvent): boolean => {

   console.log('navigationBackFinish======');

   return true;

};

public navigationBackOnstatusUpdate = (event?: ComponentEvent): boolean => {

   console.log('navigationBackOnstatusUpdate==================');

   return true;

};