当内容类型标题是image/jpeg时,HTTP响应的内容数据格式是什么？

Question

只是好奇,当内容类型标题是image/jpeg,binary时,HTTP响应体的内容数据类型格式是什么？在通过Mozilla Firebug查看时无法看到HTTP响应的原始内容,因为它已经弹出了图像.

在与一个人交谈之前,我从来没有这么说过,他告诉他将二进制数据编码成base64格式的数据到HTTP响应体中.有什么用例我们需要这样做吗？

Answer 1

这是你作为repsponse标题得到的.它还包括Content-Type:image/jpeg

HTTP/1.1 200 OK 
Last-Modified: Fri, 10 Feb 2012 14:31:06 GMT
Content-Type: image/jpeg
Content-Length: 20331
Server: WEBrick/1.3.1 (Ruby/1.9.2/2011-02-18)
Date: Fri, 10 Feb 2012 14:31:22 GMT
Connection: Keep-Alive

原始内容数据是:

......JFIF.............0Photo: Osvaldo Gago
http://www.fotografar.net....Photoshop 3.0.8BIM.......x............beach.....Algarve.....Faro..n..Osvaldo Gago..t.*Creative Commons Atribuition + Share Alike..z..Osvaldo Gago.8BIM........fotografar.net..1.Exif..II*................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................h..............................."...........................$...........,...........d....... ...l............................... .................).............
..."...........\...................................... .......... .C................... 

...................."...........D.....f...*...........................*.....(............................................... 
.. 
....'.................................................IMG:PowerShot G5 JPEG...........Firmware Version 1.00...................................
.........D...%.................@...........