创建读取文件的模块
const fs = require( ‘fs’ );
创建压缩包的模块
const zlib = require( ‘zlib’ );
读取数据
const inp = fs.createReadStream(‘jiandao.txt’);
创建压缩包
const gzip = zlib.createGzip();
输出压缩包
const outp = fs.createWriteStream( ‘jiandao.txt.gz’ );
inp
.pipe( gzip )
.pipe( outp )
