所选答案不起作用:
var mv = require('mv');
var extractPath = 'E:\\tmp\\dir';
mv(extractPath + "\\sub", extractPath, {mkdirp: true}, console.error);
它出现了错误:
{ Error: EPERM: operation not permitted, rename 'E:\tmp\dir\sub' -> 'E:\tmp\dir'
at Error (native)
errno: -4048,
code: 'EPERM',
syscall: 'rename',
path: 'E:\\tmp\\dir\\sub',
dest: 'E:\\tmp\\dir' }
使用fs-extra代替mv:
var fs = require('fs-extra');
var extractPath = 'E:\\tmp\\dir';
fs.move(extractPath + "\\sub", extractPath, console.error);
移动之前,我的文件结构是这样的:
E:\tmp\dir
> sub
> doc.txt
移动后,就像这样:
E:\tmp\dir
> doc.txt
更新:
虽然上述方法在Windows上可以使用,在Linux上即使使用fs-extra也会出现相同的错误。下面是一种手动修复方法,通过逐个将子目录的每个子项移动到父目录中来解决这个问题。如果某个子项移动失败,则会将其他成功移动的子项恢复到原始位置。
var fs = require('fs-extra')
var Promise = require('promise');
var path = require('path');
var promiseAllWait = function(promises) {
var all_promises = [];
for(var i_promise=0; i_promise < promises.length; i_promise++) {
all_promises.push(
promises[i_promise]
.then(function(res) {
return { res: res };
}).catch(function(err) {
return { err: err };
})
);
}
return Promise.all(all_promises)
.then(function(results) {
return new Promise(function(resolve, reject) {
var is_failure = false;
var i_result;
for(i_result=0; i_result < results.length; i_result++) {
if (results[i_result].err) {
is_failure = true;
break;
} else {
results[i_result] = results[i_result].res;
}
}
if (is_failure) {
reject( results[i_result].err );
} else {
resolve(results);
}
});
});
};
var movePromiser = function(from, to, records) {
return fs.move(from, to)
.then(function() {
records.push( {from: from, to: to} );
});
};
var moveDir = function(from_dir, to_dir) {
return fs.readdir(from_dir)
.then(function(children) {
return fs.ensureDir(to_dir)
.then(function() {
var move_promises = [];
var moved_records = [];
var child;
for(var i_child=0; i_child < children.length; i_child++) {
child = children[i_child];
move_promises.push(movePromiser(
path.join(from_dir, child),
path.join(to_dir, child),
moved_records
));
}
return promiseAllWait(move_promises)
.catch(function(err) {
var undo_move_promises = [];
for(var i_moved_record=0; i_moved_record < moved_records.length; i_moved_record++) {
undo_move_promises.push( fs.move(moved_records[i_moved_record].to, moved_records[i_moved_record].from) );
}
return promiseAllWait(undo_move_promises)
.then(function() {
throw err;
});
});
}).then(function() {
return fs.rmdir(from_dir);
});
});
};
var spawn = require('child_precess').execSync;
- chourobinmv('E:\\tmp\\dir\\sub', 'E:\\tmp\\dir', {mkdirp: true}, console.error);
会失败并显示Error: EPERM: operation not permitted, rename 'E:\tmp\dir\sub' -> 'E:\tmp\dir'
。 - sam-6174