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path模块主要用来对文件路径进行处理,比如提取路径、后缀,拼接路径等。
接下来通过一些例子熟悉一下path的使用:
代码示例:/lesson12/path.js
const path = require('path') const str = '/root/a/b/1.txt' console.log(path.dirname(str)) // 获取文件目录:/root/a/b console.log(path.basename(str)) // 获取文件名:1.txt console.log(path.extname(str)) // 获取文件后缀:.txt console.log(path.resolve(str, '../c', 'build', 'strict')) // 将路径解析为绝对路径:C:\root\a\b\c\build\strict console.log(path.resolve(str, '../c', 'build', 'strict', '../..', 'assets')) // 将路径解析为绝对路径:C:\root\a\b\c\assets console.log(path.resolve(__dirname, 'build')) // 将路径解析为绝对路径:C:\projects\nodejs-tutorial\lesson12\build
值得一提的是path.resolve方法,它可以接收任意个参数,然后根据每个路径参数之间的关系,将路径最终解析为一个绝对路径。
__dirname指的是当前模块所在的绝对路径名称,它的值会自动根据当前的绝对路径变化,等同于path.dirname(__filename)的结果。
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阅读更多系列文章请访问我的GitHub博客,示例代码请访问这里。
path(路径)
path模块主要用来对文件路径进行处理,比如提取路径、后缀,拼接路径等。
path的使用
接下来通过一些例子熟悉一下path的使用:
值得一提的是path.resolve方法,它可以接收任意个参数,然后根据每个路径参数之间的关系,将路径最终解析为一个绝对路径。
__dirname指的是当前模块所在的绝对路径名称,它的值会自动根据当前的绝对路径变化,等同于path.dirname(__filename)的结果。
The text was updated successfully, but these errors were encountered: