主要代码如下：
const resetActionTab = NavigationActions.navigate({routeName: 'Tab',action: NavigationActions.navigate({ routeName: 'Home'})
});
this.props.navigation.dispatch(resetActionTab);
主要代码如下：
const resetActionTab = NavigationActions.navigate({routeName: 'Tab',action: NavigationActions.navigate({ routeName: 'Home'})
});
this.props.navigation.dispatch(resetActionTab);