文件操作

文件读取

import fs from "fs";

const data = fs.readFileSync("example/file-1.txt", "utf8");
console.log(data);

fs.readFile("example/file-2.txt", "utf8", (err, data) => {
  if (err) throw err;
  console.log(data);
});

文件写入

import fs from "fs";

fs.writeFileSync("example/file-1.txt", "Hello, World!", "utf8");

fs.writeFile("example/file-2.txt", "Hello, World!", "utf8", (err) => {
  if (err) throw err;
  console.log("File written successfully");
});

文件追加

import fs from "fs";

fs.appendFileSync("example/file-1.txt", "Hello, Javascript!", "utf8");

fs.appendFile("example/file-2.txt", "Hello, Javascript!", "utf8", (err) => {
  if (err) throw err;
  console.log("Data appended successfully");
});

文件删除

import fs from "fs";

fs.unlinkSync("example/file-1.txt");

fs.unlink("example/file-2.txt", (err) => {
  if (err) throw err;
  console.log("File deleted successfully");
});