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
Android client uploads images to the server and uses XML to transmit base64-encoded ImagesI use the httpclient of Android to send post requests. I also want to use the post method to send data. However, the data is saved during base64 decoding on
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
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
(function () { varCoverimage = Document.queryselector (' file '); //image CompressionCoverimage.onchange =function() {Lrz ( This. files[0], {width:640},function(results) {//The data you need is here, and can be sent as a string base64 to the
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
Html5 converts an image to a base64 instance code,
Base64 encodingBase64 is a commonly used 8-bit code encoding method on the network. base64 can be used to transmit long identification information in the http environment and can be used in URLs
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
You may have noticed that the URLs of some SRC or CSS background images on the webpage are followed by a large string of characters, such as data: image/PNG and base64, release/keauffr0cbng3nqpw68arzdalozpppfibhh5eab8b + tlt9myq6i1buqfaq1cksvcxz2acs6
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.