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In HTML files, URL is called "Uniform Resource Locator", which is a representation method used to specify the location of information on the Internet's World Wide Web service program. It is a method specially designed to identify the location of resources on the Internet. An addressing method; simply put, it is the address of a web page.
The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.
In the html file, the url is called "Uniform Resource Positioning System".
The resources available on the Internet can be represented by simple strings, and this document describes the syntax and semantics of such strings. These strings are called: "Uniform Resource Locators" (URLs).
Uniform resource locator (URL) is a representation method used to specify the location of information on the Internet's World Wide Web service program. It is an addressing method specifically designed to identify the location of resources on the Internet. The web address we usually refer to is the URL.
The url format is composed of three parts, namely the resource type, the host domain name where the resource is stored, and the resource file name. The syntax is:
protocol :// hostname[:port] / path / [;parameters][?query]#fragment 传输协议://主机IP地址或域名地址/资源所在路径和文件名
1.protocol:
The most commonly used protocol is http protocol, which is also the most widely used protocol. The format is: HTTP://
2.hostname:
hostname is mainly used to store IP addresses, but Some hostnames are also the username and password required to connect to the server.
3.port
port is the port number. Generally, the output protocol has a port number, and http is the default 80.
4.path
path is used to represent a directory on the host.
5.parameters
parameters are mainly used to specify optional options for parameters.
6.query
query is to pass parameters to dynamic web pages. If multiple parameters appear, the parameters must be separated by symbols.
7.fragment
fragment is a string, mainly used for fragments in network resources.
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