NASA项目一些关键代码展示

2026年1月17日 09:08

client 文件夹下

结构

app.js

import {
  BrowserRouter as Router,
} from "react-router-dom";
import {
  Arwes,
  SoundsProvider,
  ThemeProvider,
  createSounds,
  createTheme,
} from "arwes";

import AppLayout from "./pages/AppLayout";

import { theme, resources, sounds } from "./settings";

const App = () => {
  return <ThemeProvider theme={createTheme(theme)}>
    <SoundsProvider sounds={createSounds(sounds)}>
      <Arwes animate background={resources.background.large} pattern={resources.pattern}>
        {anim => (
          <Router>
            <AppLayout show={anim.entered} />
          </Router>
        )}
      </Arwes>
    </SoundsProvider>
  </ThemeProvider>;
};

export default App;

setting.js

const resources = {
  background: {
    small: "/img/background-small.jpg",
    medium: "/img/background-medium.jpg",
    large: "/img/background-large.jpg",
  },
  pattern: "/img/glow.png",
};

const sounds = {
  shared: {
    volume: 0.5,
  },
  players: {
    click: {
      sound: { src: ["/sound/click.mp3"] },
      settings: { oneAtATime: true }
    },
    typing: {
      sound: { src: ["/sound/typing.mp3"] },
      settings: { oneAtATime: true }
    },
    deploy: {
      sound: { src: ["/sound/deploy.mp3"] },
      settings: { oneAtATime: true }
    },
    success: {
      sound: {
        src: ["/sound/success.mp3"],
        volume: 0.2,
      },
      settings: { oneAtATime: true }
    },
    abort: {
      sound: { src: ["/sound/abort.mp3"] },
      settings: { oneAtATime: true }
    },
    warning: {
      sound: { src: ["/sound/warning.mp3"] },
      settings: { oneAtATime: true }
    },
  }
};

const theme = {
  color: {
    content: "#a1ecfb",
  },
  padding: 20,
  responsive: {
    small: 600,
    medium: 800,
    large: 1200
  },
  typography: {
    headerFontFamily: '"Titillium Web", "sans-serif"',
  },
};

export {
  resources,
  sounds,
  theme,
};

pages/Launch.js

import { useMemo } from "react";
import { Appear, Button, Loading, Paragraph } from "arwes";
import Clickable from "../components/Clickable";

const Launch = props => {
  const selectorBody = useMemo(() => {
    return props.planets?.map(planet => 
      <option value={planet.keplerName} key={planet.keplerName}>{planet.keplerName}</option>
    );
  }, [props.planets]);

  const today = new Date().toISOString().split("T")[0];

  return <Appear id="launch" animate show={props.entered}>
    <Paragraph>Schedule a mission launch for interstellar travel to one of the Kepler Exoplanets.</Paragraph>
    <Paragraph>Only confirmed planets matching the following criteria are available for the earliest scheduled missions:</Paragraph>
    <ul>
      <li>Planetary radius &lt; 1.6 times Earth's radius</li>
      <li>Effective stellar flux &gt; 0.36 times Earth's value and &lt; 1.11 times Earth's value</li>
    </ul>

    <form onSubmit={props.submitLaunch} style={{display: "inline-grid", gridTemplateColumns: "auto auto", gridGap: "10px 20px"}}>
      <label htmlFor="launch-day">Launch Date</label>
      <input type="date" id="launch-day" name="launch-day" min={today} max="2040-12-31" defaultValue={today} />
      <label htmlFor="mission-name">Mission Name</label>
      <input type="text" id="mission-name" name="mission-name" />
      <label htmlFor="rocket-name">Rocket Type</label>
      <input type="text" id="rocket-name" name="rocket-name" defaultValue="Explorer IS1" />
      <label htmlFor="planets-selector">Destination Exoplanet</label>
      <select id="planets-selector" name="planets-selector">
        {selectorBody}
      </select>
      <Clickable>
        <Button animate 
          show={props.entered} 
          type="submit" 
          layer="success" 
          disabled={props.isPendingLaunch}>
          Launch Mission ✔
        </Button>
      </Clickable>
      {props.isPendingLaunch &&
        <Loading animate small />
      }
    </form>
  </Appear>
};

export default Launch;

pages/AppLayout.js


import {
  useState,
} from "react";
import {
  Switch,
  Route,
} from "react-router-dom";
import {
  Frame,
  withSounds,
  withStyles,
} from "arwes";

import usePlanets from "../hooks/usePlanets";
import useLaunches from "../hooks/useLaunches";

import Centered from "../components/Centered";
import Header from "../components/Header";
import Footer from "../components/Footer";

import Launch from "./Launch";
import History from "./History";
import Upcoming from "./Upcoming";

const styles = () => ({
  content: {
    display: "flex",
    flexDirection: "column",
    height: "100vh",
    margin: "auto",
  },
  centered: {
    flex: 1,
    paddingTop: "20px",
    paddingBottom: "10px",
  },
});

const AppLayout = props => {
  const { sounds, classes } = props;

  const [frameVisible, setFrameVisible] = useState(true);
  const animateFrame = () => {
    setFrameVisible(false);
    setTimeout(() => {
      setFrameVisible(true);
    }, 600);
  };

  const onSuccessSound = () => sounds.success && sounds.success.play();
  const onAbortSound = () => sounds.abort && sounds.abort.play();
  const onFailureSound = () => sounds.warning && sounds.warning.play();

  const {
    launches,
    isPendingLaunch,
    submitLaunch,
    abortLaunch,
  } = useLaunches(onSuccessSound, onAbortSound, onFailureSound);

  const planets = usePlanets();
  
  return <div className={classes.content}>
    <Header onNav={animateFrame} />
    <Centered className={classes.centered}>
      <Frame animate 
        show={frameVisible} 
        corners={4} 
        style={{visibility: frameVisible ? "visible" : "hidden"}}>
        {anim => (
          <div style={{padding: "20px"}}>
          <Switch>
            <Route exact path="/">
              <Launch 
                entered={anim.entered}
                planets={planets}
                submitLaunch={submitLaunch}
                isPendingLaunch={isPendingLaunch} />
            </Route>
            <Route exact path="/launch">
              <Launch
                entered={anim.entered}
                planets={planets}
                submitLaunch={submitLaunch}
                isPendingLaunch={isPendingLaunch} />
            </Route>
            <Route exact path="/upcoming">
              <Upcoming
                entered={anim.entered}
                launches={launches}
                abortLaunch={abortLaunch} />
            </Route>
            <Route exact path="/history">
              <History entered={anim.entered} launches={launches} />
            </Route>
          </Switch>
          </div>
        )}
      </Frame>
    </Centered>
    <Footer />
  </div>;
};

export default withSounds()(withStyles(styles)(AppLayout));

pages/History.js

import { useMemo } from "react";
import { Appear, Table, Paragraph } from "arwes";

const History = props => {
  const tableBody = useMemo(() => {
    return props.launches?.filter((launch) => !launch.upcoming)
      .map((launch) => {
        return <tr key={String(launch.flightNumber)}>
          <td>
            <span style={
              {color: launch.success ? "greenyellow" : "red"}
            }>█</span>
          </td>
          <td>{launch.flightNumber}</td>
          <td>{new Date(launch.launchDate).toDateString()}</td>
          <td>{launch.mission}</td>
          <td>{launch.rocket}</td>
          <td>{launch.customers?.join(", ")}</td>
        </tr>;
      });
  }, [props.launches]);

  return <article id="history">
    <Appear animate show={props.entered}>
      <Paragraph>History of mission launches including SpaceX launches starting from the year 2006.</Paragraph>
      <Table animate>
        <table style={{tableLayout: "fixed"}}>
          <thead>
            <tr>
              <th style={{width: "2rem"}}></th>
              <th style={{width: "3rem"}}>No.</th>
              <th style={{width: "9rem"}}>Date</th>
              <th>Mission</th>
              <th style={{width: "7rem"}}>Rocket</th>
              <th>Customers</th>
            </tr>
          </thead>
          <tbody>
            {tableBody}
          </tbody>
        </table>
      </Table>
    </Appear>
  </article>;
}
  
export default History;

pages/Upcoming.js

import { useMemo } from "react";
import { 
  withStyles,
  Appear,
  Link,
  Paragraph,
  Table,
  Words,
} from "arwes";

import Clickable from "../components/Clickable";

const styles = () => ({
  link: {
    color: "red",
    textDecoration: "none",
  },
});

const Upcoming = props => {
  const { 
    entered,
    launches,
    classes,
    abortLaunch,
  } = props;

  const tableBody = useMemo(() => {
    return launches?.filter((launch) => launch.upcoming)
      .map((launch) => {
        return <tr key={String(launch.flightNumber)}>
          <td>
            <Clickable style={{color:"red"}}>
              <Link className={classes.link} onClick={() => abortLaunch(launch.flightNumber)}>
                ✖
              </Link>
            </Clickable>
          </td>
          <td>{launch.flightNumber}</td>
          <td>{new Date(launch.launchDate).toDateString()}</td>
          <td>{launch.mission}</td>
          <td>{launch.rocket}</td>
          <td>{launch.target}</td>
        </tr>;
      });
  }, [launches, abortLaunch, classes.link]);

  return <Appear id="upcoming" animate show={entered}>
    <Paragraph>Upcoming missions including both SpaceX launches and newly scheduled Zero to Mastery rockets.</Paragraph>
    <Words animate>Warning! Clicking on the ✖ aborts the mission.</Words>
    <Table animate show={entered}>
      <table style={{tableLayout: "fixed"}}>
        <thead>
          <tr>
            <th style={{width: "3rem"}}></th>
            <th style={{width: "3rem"}}>No.</th>
            <th style={{width: "10rem"}}>Date</th>
            <th style={{width: "11rem"}}>Mission</th>
            <th style={{width: "11rem"}}>Rocket</th>
            <th>Destination</th>
          </tr>
        </thead>
        <tbody>
          {tableBody}
        </tbody>
      </table>
    </Table>
  </Appear>;
}

export default withStyles(styles)(Upcoming);

hooks/usePlanets.js

import { useCallback, useEffect, useState } from "react";

import { httpGetPlanets } from "./requests";

function usePlanets() {
  const [planets, savePlanets] = useState([]);

  const getPlanets = useCallback(async () => {
    const fetchedPlanets = await httpGetPlanets();
    savePlanets(fetchedPlanets);
  }, []);

  useEffect(() => {
    getPlanets();
  }, [getPlanets]);

  return planets;
}

export default usePlanets;

其他可以看仓库

server 文件夹下

app.js

const express = require('express')
const cors = require('cors');
const path = require('path');
const morgan = require('morgan');

const api = require('./routes/api')

const app = express()

// 日志记录位置尽量 早 
app.use(morgan('combined'))

app.use(cors({
    origin: 'http://localhost:3000',
  }));

app.use(express.json())
app.use(express.static(path.join(__dirname, '..', 'public')))

app.use('/v1', api)

// 确保第一页打开就是 index.html 内容
app.get('/*', (req, res) => {
    res.sendFile(path.join(__dirname, '..','public','index.html'));
} )

module.exports = app

server.js

const http = require('http');
require('dotenv').config()

const {mongoConnect} = require('./services/mongo')

const app = require('./app')

const {loadPlanetsData} = require('./models/planets.model')
const {loadLaunchData} = require('./models/launches.model')

const PORT = process.env.PORT || 8000

const server = http.createServer(app)

async function startServer() {
    await mongoConnect()
    await loadPlanetsData()
    await loadLaunchData()

    server.listen(PORT,() => {
        console.log(`Listening on ${PORT}`);
    });
}

startServer()

models/launches.model.js

const axios = require('axios');
const launchesDatabase = require('./launches.mongo')
const planets = require('./planets.mongo')

const DEFAULT_FLIGHT_NUMBER = 100

const launch = {
    flightNumber: 100, // flight_number
    mission: 'Kepler Exploration X', // name
    rocket: 'Explorer IS1', // rocket.name
    launchDate: new Date('December 27, 2030'), // date_local
    target: 'Kepler-442 b', // not applicable
    customers:['ZTM','NASA'],  // payloads.customers for each payload
    upcoming:true, // upcoming
    success: true // success
}

saveLaunch(launch)

async function findLaunch(filter){
    return await launchesDatabase.findOne(filter)
}

async function existsLaunchWithId(launchId) {
    return await launchesDatabase.findOne({
        flightNumber: launchId
    })
}

async function getLatestFlightNumber(){
    // findOne()用于查找匹配查询条件的第一条记录
    // sort('-flightNumber')用于按照flightNumber字段降序排列结果
    const latestLaunch = await launchesDatabase.findOne().sort('-flightNumber')

    if(!latestLaunch) return DEFAULT_FLIGHT_NUMBER

    return latestLaunch.flightNumber
}

async function getAllLaunches(skip, limit) { 
    return await launchesDatabase
    .find(
        {},{
            "_id":0,
            "__v":0
    })
    .skip(skip)
    .limit(limit)
}

async function saveLaunch(launch) {
    await launchesDatabase.findOneAndUpdate({
        flightNumber: launch.flightNumber,
    }, launch, {
        upsert: true,
    })
}

async function scheduleNewLaunch(launch) {
    const planet =  await planets.findOne({
        keplerName: launch.target
    })

    if(!planet){
        throw new Error('Not matching planet found')
    }


    const newFlightNumber = await getLatestFlightNumber() + 1

    const newLaunch = Object.assign(launch, {
        success: true,
        upcoming: true,
        customers:['ZTM','NASA'],
        flightNumber: newFlightNumber
    })

    await saveLaunch(newLaunch)
}

async function abortLaunchById(launchId) {
    const aborted =  await launchesDatabase.updateOne({
        flightNumber: launchId
    },{
        upcoming: false,
        success: false,
    })

    return aborted.modifiedCount === 1
    // const aborted = launches.get(launchId)
    // aborted.success = false
    // aborted.upcoming = false
    // return aborted
}

async function populateLaunches(){
    const response = await axios.post(SPACEX_API_URL,{
        query: {},
        options:{
            // 不分页 拿到所有数据
            pagination:false,
            populate:[
                {
                    path: 'rocket',
                    select:{
                        name:1
                    }
                },
                {
                    path: 'payloads',
                    select:{
                        customers:1
                    }
                }
            ]
        }
    })

    const launchDocs = response.data.docs 
    for(const launchDoc of launchDocs){
        const payloads = launchDoc.payloads 
        // 使用 flatMap 将嵌套数组扁平化
        const customers = payloads.flatMap(payload => payload.customers)

        const launch = {
            flightNumber: launchDoc.flight_number,
            mission:launchDoc.name,
            rocket: launchDoc.rocket.name,
            launchDate: launchDoc.date_local,
            customers,
            upcoming: launchDoc.upcoming,
            success: launchDoc.success
        }

        // console.log('launch',`${launch.flightNumber} ${launch.mission}`);
        await saveLaunch(launch);
    }

    if(response.status !== 200) {
        console.log('Problem downloading launch data');
    }
}

const SPACEX_API_URL = 'https://api.spacexdata.com/v4/launches/query'

async function loadLaunchData(){
    const firstLaunch = await findLaunch({
        flightNumber:1,
        rocket:'Falcon 1',
        mission:'FalconSat'
    })

    if(firstLaunch){
        console.log('Launch data already loaded');
    }else{
        await populateLaunches()
    }


}

module.exports = {
    getAllLaunches,
    scheduleNewLaunch,
    existsLaunchWithId,
    abortLaunchById,
    loadLaunchData,
}

routes/launches/launches.router.js

const express = require('express');

const {httpGetAllLaunch, httpAddLaunch, httpAbortLaunch} = require('./launches.controller')

const  launchesRouter = express.Router();

launchesRouter.get('/', httpGetAllLaunch);
launchesRouter.post('/', httpAddLaunch);
launchesRouter.delete('/:id', httpAbortLaunch);

module.exports = launchesRouter;

仓库

github.com/huanhunmao/…

阅读视图

client 文件夹下

server 文件夹下