JS Code encodeuricomponent Use Introduction (asp,php) _javascript tips

Because of the new system, so for the JS script again studied again. In the new URL encoding, found that the format of the page encoding for JS is very large, write a little here.

{var b=siteurl+this.actionurl+ (this.type=== "All"? ": This.type) +" &searchword= "+encodeuricomponent (A). Replace (/'/g, "%27"); $redirect (B)}}

In the production, found that outgoing packets of the encoding is all UTF-8 format, and in the correction of the page encoding is also not reflected, and finally modified the encode into a decode way to solve the problem.

JS encoding text involves 3 functions: Escape,encodeuri,encodeuricomponent, corresponding 3 decoding functions: Unescape,decodeuri,decodeuricomponent


1, the transfer of parameters need to use encodeuricomponent, so that the combination of the URL will not be # and other special characters truncated.

For example:

2, the URL jump can be used as a whole encodeURI

For example: location.href= "/encodeuri" ("http://www.jb51.net/s?word= Baidu &ct=21");

3, JS use of data can use escape

For example: History records in the search of Tibet.

4, Escape to encode the Unicode value other than 0-255, output%u**** format, in other cases escape,encodeuri,encodeuricomponent encoding results are the same.

The most used should be encodeuricomponent, it is the Chinese, Korean and other special characters into the Utf-8 format URL encoding, so if the background pass parameters need to use encodeURIComponent when the background decoding to Utf-8 support ( form is encoded in the same way as the current page encoding

Escape does not encode 69 characters: *,+,-,.,/,@,_,0-9,a-z,a-z

There are 82 encodeURI characters not encoded:!,#,$,&,\ ', (,), *,+,,,-,.,/,:,;,=,?,@,_,~,0-9,a-z,a-z

There are 71 encodeuricomponent characters that are not encoded:!, \ ', (,), *,-,.,_,~,0-9,a-z,a-z