前言
archive是一款在nodejs中可以实现跨平台打包的工具
可以将文件压缩为zip或rar格式
是一个比较好用的第三方模块
install
npm install archiver --savearchive github地址：https://github.com/archiverjs/node-archiver
Quick Start
// require modules
var fs = require('fs');
var archiver = require('archiver');// create a file to stream archive data to.
var output = fs.createWriteStream(__dirname + '/example.zip');
//设置压缩格式为zip
var archive = archiver('zip', {
zlib: { level: 9 } // Sets the compression level.
});
// listen for all archive data to be written
// 'close' event is fired only when a file descriptor is involved
output.on('close', function() {
console.log(archive.pointer() + ' total bytes');
console.log('archiver has been finalized and the output file descriptor has closed.');
});
// This event is fired when the data source is drained no matter what was the data source.
// It is not part of this library but rather from the NodeJS Stream API.
// @see: https://nodejs.org/api/stream.html#stream_event_end
output.on('end', function() {
console.log('Data has been drained');
});
// good practice to catch this error explicitly
archive.on('error', function(err) {
throw err;
});
// pipe archive data to the file
archive.pipe(output);
// append a file from stream
var file1 = __dirname + '/file1.txt';
archive.append(fs.createReadStream(file1), { name: 'file1.txt' });
// append a file from string
archive.append('string cheese!', { name: 'file2.txt' });
// append a file from buffer
var buffer3 = Buffer.from('buff it!');
archive.append(buffer3, { name: 'file3.txt' });
// append a file
archive.file('file1.txt', { name: 'file4.txt' });
// append files from a sub-directory and naming it `new-subdir` within the archive
archive.directory('subdir/', 'new-subdir');
// append files from a sub-directory, putting its contents at the root of archive
archive.directory('subdir/', false);
// append files from a glob pattern
archive.glob('subdir/*.txt');
// finalize the archive (ie we are done appending files but streams have to finish yet)
// 'close', 'end' or 'finish' may be fired right after calling this method so register to them beforehand
archive.finalize();
实际使用
实际使用中情况可能会比较多
需要打包的源文件一般为远程文件，比如某一个第三方的文件存放地址，这时则需要先将第三方文件下载到本地
示例方法，可以根据实际需要修改相应的参数
function download(files){
//下载文件的本地存档地址
