How to solve the problem of failure of page script assignment caused by return of string when passing parameters in url address

This article mainly introduces how to solve the problem of page script assignment failure caused by the return of the string when passing parameters in the url address. The article is very detailed and has a certain reference value. Interested friends must finish reading it!

When accepting parameters through the url address, some parameters have a value V with a carriage return'% 0A'. When the page script is displayed, paying this value V to the script variable may cause an error in the script.

So, correspondingly: url encode some strings at the beginning of the value, and then decode the url when the script is assigned, so that the above problems can be avoided.

In PHP, the operation functions encoded for URL are: urlencode () and urldecode ()

The corresponding URL encoding operation functions in js are: encodeURI () and decodeURI ()

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