我正在使用React前端并从节点服务器中获取数据。我觉得我的代码看起来有点多余,是否有更好的方法来重构所有这些内容?
App.js
searchStock = async (value) => {
let priceURL = `/stock/${ value }/price`
// fetch price data
fetch(priceURL)
.then(res => {
if (res.ok) {
res.json()
.then( (result) => {
this.setState({
price: result
})
})
}
else {
console.log("Something went wrong...")
}
})
}
server.js
app.get('/stock/:symbol/price', (req, res) => {
const token = 'abcde123'
const symbol = req.params.symbol
const apiURL = `https://sandbox.iexapis.com/stable/stock/${symbol}/price?token=T${token}`
fetch(apiURL)
.then(response => {
console.log(response.status)
if (response.ok) {
response.json().then((data) => {
res.json(data)
});
}
else {
res.sendStatus(response.status)
}
})
.catch(error => {
console.log(error);
});
})
答案 0 :(得分:0)
由于这两个代码段位于不同的应用程序(前端和后端)中,所以我认为没有干的办法。
答案 1 :(得分:0)
介绍具有提取逻辑的库文件
src / helper.js
exports.fetchHelper = (url) => fetch(url)
.then(response => {
if (response.ok) {
return response.json();
} else {
res.sendStatus(response.status)
}
})
.catch(console.error);
并分别使用
app.js
import { fetchHelper } from 'src/helper'; // or whatever else your bundler setup requires
searchStock = async (value) => {
const priceURL = `/stock/${ value }/price`;
await fetchHelper(priceURL).then((result) => {
this.setState({
price: result
})
})
}
server.js
const fetchHelper = require('src/helper').fetchHelper;
app.get('/stock/:symbol/price', (req, res) => {
const token = 'abcde123'
const symbol = req.params.symbol
const apiURL = `https://sandbox.iexapis.com/stable/stock/${symbol}/price?token=T${token}`
fetchHelper(apiURL).then((response) => {
res.json(data);
})
或类似的东西...