HTML图片-MIME类型

Question

I was looking into MIME types and there is something I don't understand yet. 我正在研究MIME类型，但有些东西我还不了解。

I want to display a Base64 image in my page body. 我想在页面正文中显示Base64图像。

I know this example works: 我知道这个例子有效：

<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAM0AAAD
 NCAMAAAAsYgRbAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5c
 cllPAAAABJQTFRF3NSmzMewPxIG//ncJEJsldTou1jHgAAAARBJREFUeNrs2EEK
 gCAQBVDLuv+V20dENbMY831wKz4Y/VHb/5RGQ0NDQ0NDQ0NDQ0NDQ0NDQ
 0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0PzMWtyaGhoaGhoaGhoaGhoaGhoxtb0QGho
 aGhoaGhoaGhoaGhoaMbRLEvv50VTQ9OTQ5OpyZ01GpM2g0bfmDQaL7S+ofFC6x
 v3ZpxJiywakzbvd9r3RWPS9I2+MWk0+kbf0Hih9Y17U0nTHibrDDQ0NDQ0NDQ0
 NDQ0NDQ0NTXbRSL/AK72o6GhoaGhoRlL8951vwsNDQ0NDQ1NDc0WyHtDTEhD
 Q0NDQ0NTS5MdGhoaGhoaGhoaGhoaGhoaGhoaGhoaGposzSHAAErMwwQ2HwRQ
 AAAAAElFTkSuQmCC" alt="beastie.png">

I am wondering, can I also achieve it with something like this? 我想知道，我还能用这样的东西实现吗？

<head>
<meta http-equiv="content-type" content="image/png;">
</head>
<body>
<img src="iVBORw0KGgoAAAANSUhEUgAAAM0AAAD
 NCAMAAAAsYgRbAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5c
 cllPAAAABJQTFRF3NSmzMewPxIG//ncJEJsldTou1jHgAAAARBJREFUeNrs2EEK
 gCAQBVDLuv+V20dENbMY831wKz4Y/VHb/5RGQ0NDQ0NDQ0NDQ0NDQ0NDQ
 0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0PzMWtyaGhoaGhoaGhoaGhoaGhoxtb0QGho
 aGhoaGhoaGhoaGhoaMbRLEvv50VTQ9OTQ5OpyZ01GpM2g0bfmDQaL7S+ofFC6x
 v3ZpxJiywakzbvd9r3RWPS9I2+MWk0+kbf0Hih9Y17U0nTHibrDDQ0NDQ0NDQ0
 NDQ0NDQ0NTXbRSL/AK72o6GhoaGhoRlL8951vwsNDQ0NDQ1NDc0WyHtDTEhD
 Q0NDQ0NTS5MdGhoaGhoaGhoaGhoaGhoaGhoaGhoaGposzSHAAErMwwQ2HwRQ
 AAAAAElFTkSuQmCC" alt="beastie.png"> </body>

Answer 1

No. 没有。

<meta http-equiv="content-type" content="image/png;"> describes (poorly) the content-type for the HTML document . <meta http-equiv="content-type" content="image/png;"> （很少）描述HTML文档的content-type。

src="iVBORw0KG etc etc is a relative URL that will be fetched over whatever scheme (usually HTTP) was used to fetch the HTML document. src="iVBORw0KG etc etc是一个相对 URL，它将通过用于获取HTML文档的任何方案（通常为HTTP）获取。

If you want to switch schemes (which you need to do for a data: URI) then you need an absolute URI. 如果要切换方案（您需要对data: URI），则需要一个绝对URI。

(That simplifies slightly. Scheme relative URIs do exist, but don't help with your problem.) （这略有简化。方案相对URI确实存在，但是对您的问题没有帮助。）

HTML图片-MIME类型

问题描述

1 个解决方案

解决方案1
1 2016-10-23 10:25:37

HTML图片-MIME类型

问题描述

1 个解决方案

解决方案1 1 2016-10-23 10:25:37

解决方案1
1 2016-10-23 10:25:37