在Node.js中写入文件时创建目录 [英] Create Directory When Writing To File In Node.js

问题描述

我一直在修补Node.js并发现了一个小问题。我有一个脚本，它位于一个名为 data 的目录中。我希望脚本将一些数据写入 data 子目录中子目录中的文件。但是我收到以下错误：

I've been tinkering with Node.js and found a little problem. I've got a script which resides in a directory called data. I want the script to write some data to a file in a subdirectory within the data subdirectory. However I am getting the following error:

{ [Error: ENOENT, open 'D:\data\tmp\test.txt'] errno: 34, code: 'ENOENT', path: 'D:\\data\\tmp\\test.txt' }

代码如下：

var fs = require('fs');
fs.writeFile("tmp/test.txt", "Hey there!", function(err) {
    if(err) {
        console.log(err);
    } else {
        console.log("The file was saved!");
    }
}); 

任何人都可以帮我找出如果没有Node.js创建目录结构的话是否要写入文件？

Can anybody help me in finding out how to make Node.js create the directory structure if it does not exits for writing to a file?

推荐答案

节点> 10.12.0

fs.mkdir 现在接受 {recursive：true} 这样的选项：

Node > 10.12.0

fs.mkdir now accepts a { recursive: true } option like so:

// Creates /tmp/a/apple, regardless of whether `/tmp` and /tmp/a exist.
fs.mkdir('/tmp/a/apple', { recursive: true }, (err) => {
  if (err) throw err;
});

或承诺：

fs.promises.mkdir('/tmp/a/apple', { recursive: true }).catch(console.error);

节点< = 10.11.0

您可以使用 mkdirp 或 fs-extra 。如果您不想安装套餐，请参阅下面的TiagoPeresFrança的答案。

Node <= 10.11.0

You can solve this with a package like mkdirp or fs-extra. If you don't want to install a package, please see Tiago Peres França's answer below.

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