We‘ll read a csv file in node.js both synchronously, and asynchronously. The file we‘re reading is a plain text, utf8 file - but you can also use fs.readFile to read a binary file as a buffer. We‘ll look at the differences between readFile and readFileSync, and show examples of how to catch errors if they occur.
const fs = require(‘fs‘)// Async:fs.readFile(‘data.csv‘, ‘utf8‘, (err, data) => { ?console.log(data)})// Sync:let resultstry { ?// (invalid file error example) ?const data = fs.readFileSync(‘nofile.csv‘, ‘utf8‘) ?results = data ?} catch(e) { ?console.log("error", e)}console.log("results", results)[Node.js] Read a File in Node.js with fs.readFile and fs.readFileSync
原文地址：https://www.cnblogs.com/Answer1215/p/9823937.html