URL introduction

URL Introduce

URL The concept of

URL The whole spelling of English is (Uniform Resoure Locator), The meaning of expression is the uniform resource locator , Popular understanding is the network resource address , That's what we often call the website .

URL The composition of

URL The appearance of :
https://news.163.com/18/1122/10/E178J2O4000189FH.html

URL Component part :

• The partial : https://、http://、ftp://
• Domain name part : news.163.com
• Resource path part : /18/1122/10/E178J2O4000189FH.html

domain name :

Domain name is IP The alias of the address , It is a name divided by dots and composed of English letters and numbers , The purpose of using domain name is to remember a host easily IP Address .

URL An extension of :

https://news.163.com/hello.html?page=1&count=10

• Query parameters section : ?page=1&count=10
• Parameter description :

? hinder page Represents the first parameter , The following parameters all use & Connect

summary

• URL Is the address of the network resource , Abbreviated website , adopt URL Can find the corresponding resource data in the network .
• URL Part of the
  – The partial
  – Domain name part
  – Resource path part
  – Query parameters section [ Optional ]

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