Base64 encoding and decoding for node. js learning, and node. jsbase64 Encoding
I. Base64 encoding Origin
Why is Base64 encoded? Because some network transmission channels do not support all bytes, for example, traditional mail only supports
I. ORIGIN of BASE64 coding
Why would there be Base64 code? Because some network transport channels do not support all bytes, for example, traditional messages only support the transfer of visible characters, such as ASCII code control characters
Recently writing interface ———— about image upload
The foreground uses the Vuejs, uses the base64 to upload the picture, filedata: "Data:image/jpeg;base64,9j/4aaqsk ...", puts this data directly in the address bar, also can display the picture, But
Data/base64 webmasters often use more data. I often see that they generate data/base64 data for images and then input the data. This shows a very long string, now let's take a look at the php input method. Let's take a look at data/B.
Data/base64
Base64 URL Image CSSThe Data URI scheme is defined in the RFC2397SVG path line width: stroke-widthOnline Base64 encryption/decryption Link:So what is this? This is the data URI scheme.The data URI scheme is defined in RFC2397 to embed some small
Database64 webmasters often use more data. I often see that they generate database64 data for images and then input it. This shows a long string, now let's take a look at the php input method. Data/base64 webmasters often use more data. I often see
I. BASE64 code ORIGINWhy do you have Base64 code? Because some network transport channels do not support all bytes, such as traditional mail only supports the transmission of visible characters, such as ASCII code control characters can not be
Java and JavaScript Base64 encoding
When developing Java Web applications, it is possible to use Java for BASE64 encoding on the server side, while the client can decode it with JavaScript. This requires consistency of Base64 coding mechanisms on
Let's see what Data/base64 is.
What is Data:image/*;base64?
Answer: This is Data URI scheme.Don't you understand?Ps:data URI scheme is defined in RFC2397 to embed some small data directly into a Web page so that you do not have to load it from an
Previous wordsBase-64, as a common coding function, has been widely used in Basic authentication, Digest authentication, and some HTTP extensions. In the front-end domain, images are often converted to base-64 encoding for transmission over the
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