nodejs将原始图像数据写入jpeg文件? [英] nodejs write raw image data to jpeg file?
本文介绍了nodejs将原始图像数据写入jpeg文件?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我从get请求中获取数据。数据(在响应正文中)看起来像这样:
I am getting data from a get request. The data (in the body of the response) looks something like this:
... ÿÀ���"�ÿÄ��������������ÿÄ�N��!1"AQa2q¡#BR±ð3brS²ÁÂÑá$ñCDTst¢³&45dÃÒÿÄ������������ÿÄ�-������!1A"Qa¡ðq±ÁÑ2áÿÚ���?�û." """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """ """R1º#ª¥7Jíî½M6îNö ]·!]=Fvß`7~qÆee²%·JokkZüCbìþ<ù{ã9öùË®´(%A,Ià�2I?t×bn6wÆù¥V 2SÀ><k5ºÙØ92EhÎçü¨/aÝ!ã|ñþ¥ñßT}U«¦ÒÚµ«xuÕfƳ KØ {ù{ð$·DúBMZÆcp}´R|Mä2ó8üg)·ùôfõ$zXiRÞü}óÆ>,êÚûíR5ý:\ .....
响应标题如下所示:
HTTP/1.1 200 OK
Content-Length: 26965
Access-Control-Allow-Origin: *
Content-Type: image/jpeg; charset=UTF-8
Date: Mon, 06 Feb 2012 21:14:21 GMT
Expires: Mon, 06 Feb 2012 22:14:21 GMT
Cache-Control: public, max-age=3600
Last-Modified: Fri, 13 Feb 2009 23:31:30 GMT
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Server: Dropta Server 1.0
X-Frame-Options: SAMEORIGIN
Connection: close
我想获取身体内容,这是我的图像数据,并将其保存到服务器上的 name.jpeg
文件中。
I want to get the body content which is my image data and save it to a name.jpeg
file on the server.
我该怎么做?我尝试使用缓冲区结合 fs
模块,但我有点迷失。
How can I do that? I tried using buffers combined with the fs
module, but I am kind of lost.
谢谢
推荐答案
这是一个例子,下载 http://upload.wikimedia.org/wikipedia/commons/1/15/Jagdschloss_Granitz_4.jpg 至 name.jpeg
Here's an example, which downloads http://upload.wikimedia.org/wikipedia/commons/1/15/Jagdschloss_Granitz_4.jpg to name.jpeg
var fs=require('fs');
var http=require('http');
var f=fs.createWriteStream('name.jpeg');
var options={
host:'upload.wikimedia.org',
port:80,
path:'/wikipedia/commons/1/15/Jagdschloss_Granitz_4.jpg'
}
http.get(options,function(res){
res.on('data', function (chunk) {
f.write(chunk);
});
res.on('end',function(){
f.end();
});
});
这篇关于nodejs将原始图像数据写入jpeg文件?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文