URL & HTTP message & World Wide Web

Miley shrimp 2022-01-26 10:23:24 阅读数:772

url http message world wide

Catalog

URL The general form of

Give an example of the event that occurs after the user clicks the mouse

HTTP Message structure of

Instance assist

1) Request message

2) Some ways to request messages

3) response message

Status code

web

Dynamic world wide web documents

World Wide Web server with expanded functions ( Dynamic )

Java Technical installation has three main components


URL The general form of

Made up of two parts separated by colons , And in URL There is no requirement for uppercase or lowercase characters in .


Give an example of the event that occurs after the user clicks the mouse


HTTP Message structure of

Instance assist

1) Request message

2) Some ways to request messages

3) response message


Status code

All three digits

1xx Means the notification information , If the request is received or is being processed .
2xx It means success , To accept or know .
3xx Indicates redirection , Indicates that further action must be taken to complete the request .
4xx Indicates the customer's error , If the request has incorrect syntax or cannot be completed .
5xx Indicates a server error , If the server fails to complete the request .


web

Dynamic world wide web documents

Static documents It means that the document is stored in the world wide web server after creation , In the process of being browsed by users , The content will not change .
Dynamic documents The content of the document is created dynamically by the application program when the browser accesses the world wide web server .

World Wide Web server with expanded functions ( Dynamic )


Java Technical installation has three main components

1) Programming language .Java Contains a new programming language , Used to write traditional computer programs and Java Applets .
2) function (runtime) Environmental Science . This is running Java The environment in which the program must run , These include Java virtual machine ( Referred to as JVM), The software defines Java Binary code execution model .
3) Class library (class library). To make it easier to write Java Applets ,Java Provides powerful class library support .

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