我做了以下内容,来玩一下node.js。 zipfiles 文件夹中的文件已相应压缩,并且一切似乎都正常。 但我在 cmd 上遇到错误,我不知道它来自哪里,也不知道如何解决。
events.js:72
throw er; // Unhandled 'error' event
^
Error: write after end
at writeAfterEnd (_stream_writable.js:130:12)
at Gzip.Writable.write (_stream_writable.js:178:5)
at write (_stream_readable.js:583:24)
at flow (_stream_readable.js:592:7)
at ReadStream.pipeOnReadable (_stream_readable.js:624:5)
at ReadStream.EventEmitter.emit (events.js:92:17)
at emitReadable_ (_stream_readable.js:408:10)
at emitReadable (_stream_readable.js:404:5)
at readableAddChunk (_stream_readable.js:165:9)
at ReadStream.Readable.push (_stream_readable.js:127:10)
这是我的脚本:
var zlib = require('zlib');
var gzip = zlib.createGzip();
var fs = require('fs');
var zip = {
zipAll: function(dir){
//files to zip
fs.readdir(dir, function(err, data){
if(err) throw(err);
var arrayValue = data.toString().split(',');
//files with .gz at the end, needs to be excluded
for(var i=0; i<arrayValue.length; i+=1){
console.log("Zipping following files: " + arrayValue[i]);
var input = fs.createReadStream('zipfiles/' + arrayValue[i]);
var output = fs.createWriteStream('zipfiles/input'+[i]+'.txt'+'.gz');
input.pipe(gzip).pipe(output);
}
});
}
};
zip.zipAll('zipfiles');
谢谢
最佳答案
Gzip 对象对于多个文件的重用来说有点不稳定(据我所知没有文档记录)。解决问题的最简单方法是简单地为每个文件使用单独的 gzip
对象进行压缩,例如;
for(var i=0; i<arrayValue.length; i+=1){
console.log("Zipping following files: " + arrayValue[i]);
var input = fs.createReadStream('zipfiles/' + arrayValue[i]);
var output = fs.createWriteStream('zipfiles/input'+[i]+'.txt'+'.gz');
input.pipe(zlib.createGzip()).pipe(output);
}
关于node.js - nodejs throw er;//未处理的 'error'事件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/18518264/