Node.js实现批量下载图片简单操作示例
前端  /  管理员 发布于 3年前   524
本文实例讲述了Node.js实现批量下载图片简单操作。分享给大家供大家参考,具体如下: 使用Node.js批量下载图片 首先要获取到图片链接: 批量下载图片: 希望本文所述对大家node.js程序设计有所帮助。const img = [ "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400506629423.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400540139692.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400540118251.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400540069242.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400681111127.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400703641344.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400854321042.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400847773096.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400859178000.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400865596453.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400902911909.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400953029599.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400989455804.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401005976517.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218400968714979.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401035049758.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401049432628.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401077574176.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401130741871.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401189588504.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401178924270.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401236159469.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401233410806.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401271226281.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401296600908.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401331496769.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401294723014.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401355737956.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401375565373.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401430489282.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401429130694.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401443905011.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401494231215.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401470554382.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401544523253.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401585803008.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401632787055.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401681076773.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401666198563.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401687089797.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401796465344.jpg", "http://yw-yx.oss-cn-hangzhou.aliyuncs.com/ywwl-jylesson/2019/08/52218401847533545.jpg"];
var fs = require('fs');var request = require("request");img.forEach(src => { var writeStream = fs.createWriteStream(src.split('/2019/08/')[1]); var readStream = request(src) readStream.pipe(writeStream); readStream.on('end', function() { console.log('文件下载成功'); }); readStream.on('error', function() { console.log(1); // console.log("错误信息:" + err) }) writeStream.on("finish", function() { console.log("文件写入成功"); writeStream.end(); });});
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