我使用以下代码从TMP上传目录删除旧文件:
fs.readdir( dirPath, function( err, files ) {
if ( err ) return console.log( err );
if (files.length > 0) {
files.forEach(function( file ) {
var filePath = dirPath + file;
fs.stat( filePath, function( err, stat ) {
if ( err ) return console.log( err );
var livesUntil = new Date();
livesUntil.setHours(livesUntil.getHours() - 1);
if ( stat.ctime < livesUntil ) {
fs.unlink( filePath, function( err ) {
if ( err ) return console.log( err );
});
}
});
});
}
});
我一个小时运行一次。大多数时候,这起作用。但是,我发现偶尔上传到上传的中载意外消失。i think 发生的事情是,在设置stat.ctime之前,该代码实际上处于上传中的中间 - 因此在完成之前将其删除。关于如何预防这种情况的任何建议?
谢谢!
为什么不清理每个上传?
var fs = require('fs');
var fsio;
(function (fsio) {
var uploader = (function () {
function uploader() {
}
uploader.prototype.writeFile = function (fn, data, cb) {
var tempDest = '/tmp/' + fn;
// .. your write logic ..
// cleanup
cb(tempDest);
};
uploader.prototype.cleanup = function (fileDest) {
// .. your cleanup logic - move or copy/del ..
fs.unlink(fileDest);
};
uploader.prototype.upload = function (fn, data) {
this.writeFile(fn, data, this.cleanup);
};
return uploader;
})();
fsio.uploader = uploader;
})(fsio || (fsio = {}));
用法:
var fileupload = new fsio.uploader();
fileupload.upload("monkey.gif", []);