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This article mainly shows you "what is the use of path module in Node.js", the content is simple and easy to understand, and the organization is clear. I hope it can help you solve your doubts. Let Xiaobian lead you to study and learn "what is the use of path module in Node.js" this article.

path module

Node.js provides a path module that provides many useful methods and properties that can be used to process and convert file paths. Path is a system module that does not need to be installed separately and is mainly used to format or splice complete paths.

1. Sample path module

For example, the most commonly used method in the path module is the join method [Splicing Path], as shown below:

var path = require ('path '); //concatenate path: concatenate multiple strings into a complete path var file = path.join(__dirname,'file1.txt'); console.log ("current path: "+file);

Example screenshots are shown below:

Note: __dirname is a built-in property that indicates the path where the current program is located.

2. path module Other methods

The path module provides other methods besides join, as follows:

var path = require ('path ');//concatenate path: concatenate multiple strings into a complete path var file = path.join (__dirname,'file1.txt');console.log ("Current path: "+file);//Returns the folder part of the path var dirname = path. dirname(file);//Returns the file part of the path, including the filename and extension var filename = path. basename(file);//Returns the extension var extname = path.extname(file);//Parses the path object and returns an object var p = path.parse(file);console.log("dirname:"+dirname);console. log ("filename:"+filename);console.log("extname:"+extname);console. log("parsed object:");console.log(p)

Example screenshots are shown below:

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