在我的节点应用程序中,我需要删除一个目录,其中有一些文件,但fs。Rmdir只适用于空目录。我该怎么做呢?
当前回答
从Node.js 14.14.0开始,推荐使用fs.rmSync:
fs.rmSync(dir, { recursive: true, force: true });
其他回答
而递归是fs.rmdir的一个实验性选项
function rm (path, cb) {
fs.stat(path, function (err, stats) {
if (err)
return cb(err);
if (stats.isFile())
return fs.unlink(path, cb);
fs.rmdir(path, function (err) {
if (!err || err && err.code != 'ENOTEMPTY')
return cb(err);
fs.readdir(path, function (err, files) {
if (err)
return cb(err);
let next = i => i == files.length ?
rm(path, cb) :
rm(path + '/' + files[i], err => err ? cb(err) : next(i + 1));
next(0);
});
});
});
}
截至节点v14(2020年10月),fs模块有fs。rm和rs.rmSync支持递归非空目录解链接:
https://nodejs.org/docs/latest-v14.x/api/fs.html#fs_fs_rm_path_options_callback
所以你现在可以这样做:
const fs = require('fs');
fs.rm('/path/to/delete', { recursive: true }, () => console.log('done'));
or:
const fs = require('fs');
fs.rmSync('/path/to/delete', { recursive: true });
console.log('done');
事实上的包是rimraf,但这里是我的小异步版本:
const fs = require('fs')
const path = require('path')
const Q = require('q')
function rmdir (dir) {
return Q.nfcall(fs.access, dir, fs.constants.W_OK)
.then(() => {
return Q.nfcall(fs.readdir, dir)
.then(files => files.reduce((pre, f) => pre.then(() => {
var sub = path.join(dir, f)
return Q.nfcall(fs.lstat, sub).then(stat => {
if (stat.isDirectory()) return rmdir(sub)
return Q.nfcall(fs.unlink, sub)
})
}), Q()))
})
.then(() => Q.nfcall(fs.rmdir, dir))
}
方法删除非空目录
rmdir(path,{recursive:true,force:true}
rm(path,{recursive:true,force:true}
将工作
代码片段:
const fsp = require("fs/promises");
deleteDirRecursively("./b");
removeRecursively("./BCD/b+");
async function deleteDirRecursively(dirPath) {
try {
// fsPromises.rmdir() on a file (not a directory) results in the promise being rejected
// with an ENOENT error on Windows and an ENOTDIR error on POSIX.
// To get a behavior similar to the rm -rf Unix command,
// use fsPromises.rm() with options { recursive: true, force: true }.
//will not thorw error if dir is empty
//will thow error if dir is not present
await fsp.rmdir(dirPath, { recursive: true, force: true });
console.log(dirPath, "deleted successfully");
} catch (err) {
console.log(err);
}
async function removeRecursively(path) {
try {
//has ability to remove both file and dir
//can delete dir recursively and forcefully
//will delete an empty dir.
//will remove all the contents of a dir.
// the only difference between rmdir and rm is that rmdir can only delete dir's
await fsp.rm(path, { recursive: true, force: true });
console.log(path, "deleted successfully");
} catch (err) {
console.log(err);
}
}
如果你正在使用的节点8+想要异步,不想要外部依赖,这里是async/await版本:
const path = require('path');
const fs = require('fs');
const util = require('util');
const readdir = util.promisify(fs.readdir);
const lstat = util.promisify(fs.lstat);
const unlink = util.promisify(fs.unlink);
const rmdir = util.promisify(fs.rmdir);
const removeDir = async (dir) => {
try {
const files = await readdir(dir);
await Promise.all(files.map(async (file) => {
try {
const p = path.join(dir, file);
const stat = await lstat(p);
if (stat.isDirectory()) {
await removeDir(p);
} else {
await unlink(p);
console.log(`Removed file ${p}`);
}
} catch (err) {
console.error(err);
}
}))
await rmdir(dir);
console.log(`Removed dir ${dir}`);
} catch (err) {
console.error(err);
}
}
推荐文章
- 错误:无法找到模块“webpack”
- 在node.js中使用async / await文件系统
- NodeJS -用NPM安装错误
- 如何为本地安装npm包设置自定义位置?
- 回调函数来处理管道的完成
- Express函数中的“res”和“req”参数是什么?
- node.js TypeError:路径必须是绝对路径或指定根路径到res.sendFile[解析JSON失败]
- Passport.js -错误:序列化用户到会话失败
- Node.js vs .Net性能
- 从电子应用程序中删除菜单栏
- 如何用node.js实现一个安全的REST API
- 如何处理Node.js中的循环依赖
- 在猫鼬,我如何排序的日期?(node . js)
- 如何在Node.js内进行远程REST调用?旋度吗?
- 如何用分发文件发布npm包?