Difference between revisions of "URL Encoding"
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{{Note|<br>When specifying a URL in code, any ''special characters'' (characters other than letters and numbers) need to be ''encoded''. For example, a space character | {{Note|<br>When specifying a URL in code, any ''special characters'' (characters other than letters and numbers) need to be ''encoded''. For example, a space character can be encoded using either <tt>+</tt> or <tt>%20</tt>. | ||
(Browsers typically take care of encoding URLs entered into the address bar--so the URL displayed after visiting a page may differ somewhat from the one that was initially entered.) | (Browsers typically take care of encoding URLs entered into the address bar--so the URL displayed after visiting a page may differ somewhat from the one that was initially entered.) | ||
Here are some typical encodings: | |||
{{:Common:URL Encoding Characters}} | |||
It can be hard to get be hard to get the encoding right, so it's desirable to use a language library designed for the purpose.<br> | |||
''Learn more:'' | ''Learn more:'' | ||
:* [http://www.w3schools.com/tags/ref_urlencode.asp URL Encoding] in HTML | :* [http://www.w3schools.com/tags/ref_urlencode.asp URL Encoding] in HTML | ||
:* [http://www.javascripter.net/faq/escape.htm Encode a URL] in JavaScript | :* [http://www.javascripter.net/faq/escape.htm Encode a URL] in JavaScript | ||
:* [http://docs.oracle.com/javase/6/docs/api/java/net/URLEncoder.html URLEncoder] class for Java}} | :* [http://docs.oracle.com/javase/6/docs/api/java/net/URLEncoder.html URLEncoder] class for Java}} | ||
Latest revision as of 19:51, 21 June 2013
Note:
When specifying a URL in code, any special characters (characters other than letters and numbers) need to be encoded. For example, a space character can be encoded using either + or %20.(Browsers typically take care of encoding URLs entered into the address bar--so the URL displayed after visiting a page may differ somewhat from the one that was initially entered.)
Here are some typical encodings:
space
+
%%20 or +
%2B
%25
So:
Instead of Use & (A&B)
space (A B)%26 (A%26B)
%20 (A%20B)
It can be hard to get be hard to get the encoding right, so it's desirable to use a language library designed for the purpose.
Learn more:- URL Encoding in HTML
- Encode a URL in JavaScript
- URLEncoder class for Java
