console.log(fs.statSync('./_test/'));如果_test不存在，会报错。并没有返回值，那么如何判断文件夹是否存在呢？
忘记说了我是node6, fs.exists这个文档已经明确指出 废弃了
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fs.exists is deprecated, it is recommended to use fs.stat and fs.access. The following is what I use in my project:
//检测文件或者文件夹存在 nodeJS function fsExistsSync(path) { try{ fs.accessSync(path,fs.F_OK); }catch(e){ return false; } return true; }
Of course, this is only the synchronous version. If you need an asynchronous version, you can modify it yourself~ If it is useful, please update it below your question so that future generations can view it.
https://nodejs.org/dist/lates...Here are detailed instructions, take a look
Use where node
I remember that there is fs.exists and fs.existsSync, both of which can determine whether it exists. The latter one is synchronous
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fs.exists is deprecated, it is recommended to use fs.stat and fs.access. The following is what I use in my project:
Of course, this is only the synchronous version. If you need an asynchronous version, you can modify it yourself~ If it is useful, please update it below your question so that future generations can view it.
https://nodejs.org/dist/lates...
Here are detailed instructions, take a look
Use where node
I remember that there is fs.exists and fs.existsSync, both of which can determine whether it exists. The latter one is synchronous