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This article mainly explains "how to read specified files and directories by NodeJS". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to read specified files and directories by NodeJS.

1. Use fs.readFile and fs.readdir to read files and directories, respectively.

2. Two API receive two parameters, the first is the path, and the second is the callback function. The callback function also has two parameters that contain data information. Print the data information to get the content.

Example

/ * learnNode.js * / let fs = require ('fs'); fs.readFile (' newJs.txt', (err, data) = > {if (err) {console.log ('error');} else {console.log ("read file successfully!") ; console.log (data);}})

/ * learnNode.js * / let fs = require ('fs'); fs.readdir ('. /', (err, data) = > {if (err) {console.log ('error');} else {console.log ("read directory successful!") ; console.log (data);}})

At this point, I believe you have a deeper understanding of "how NodeJS reads specified files and directories". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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