React native React导航堆栈导航器组件didmount

我正在使用react导航。使用堆栈导航器和嵌套在其中的抽屉。如何在下面的代码中调用componentdidmount和this.props.navgation.Navigation。我有一些事件应该引导用户到特定的屏幕，而不是遵循抽屉的初始路径

 import React from "react";
    import { Platform, Text } from "react-native";
    import { Root } from "native-base";
    import { StackNavigator, DrawerNavigator} from "react-navigation";
    import Register from "./components/Register";
    import Home from "./components/home/";
    import Dashboard from "./components/Dashboard/";
    import SideBar from "./components/sidebar";
    import Screen1 from "./components/Screen1/";
    import Screen2 from "./components/Screen2/";
    import Screen3 from "./components/Screen3/";

    const Drawer = DrawerNavigator(
      {
        Dashboard: { screen: Dashboard },
        Screen1: { screen: Screen1 },
        Screen2 : { screen: Screen2 },
      },
      {
        navigationOptions: {
          gesturesEnabled: false,
        },
       initialRouteName: "Dashboard",
        contentOptions: {
          activeTintColor: "#e91e63"
        },
        drawerPosition: 'right',
        contentComponent: props => <SideBar {...props} />
      }
    );


    const AppNavigator = StackNavigator(
        {
            Home: { screen: Home },
            Register: { screen: Register },
            Drawer: { screen: Drawer },
            Screen3: { screen: Screen3 },
        },
        {

             headerMode: "none",

        }
    );


//HOW TO WRITE COMPONENTDIDMOUNT HERE AND CALL //THIS.PROPS.NAVIGATION.NAVIGATE
    export default () =>
        <Root>
            <AppNavigator />
        </Root>;

从“React”导入React；
从“react native”导入{Platform，Text}；
从“本机基”导入{Root}；
从“反应导航”导入{StackNavigator，DrawerNavigator}；
从“/components/Register”导入寄存器；
从“/components/Home/”导入主页；
从“/components/Dashboard/”导入仪表板；
从“/components/SideBar”导入侧栏；
从“/components/Screen1/”导入Screen1；
从“/components/Screen2/”导入Screen2；
从“/components/Screen3/”导入Screen3；
const Drawer=付款人(
{
仪表板：{屏幕：仪表板}，
屏幕1:{screen:Screen1}，
屏幕2:{screen:Screen2}，
},
{
导航选项：{
手势已启用：错误，
},
initialRouteName：“仪表板”，
内容选项：{
activeTintColor:#e91e63
},
抽屉位置：'对'，
contentComponent:props=>
}
);
const AppNavigator=StackNavigator(
{
主页：{screen:Home}，
寄存器：{屏幕：寄存器}，
抽屉：{屏幕：抽屉}，
屏幕3:{screen:Screen3}，
},
{
headerMode:“无”，
}
);
//如何在此处编写COMPONENTDIDMOUNT并调用//THIS.PROPS.NAVIGATION.NAVIGATE
导出默认值（）=>
;

如果您没有创建组件，那么您将无法在此处“写入”

ComponentDidMount

有自己的

组件didmount

，它在渲染时运行

确保充分了解React和JSX是如何协同工作的：