When the browser accesses the server, it will encapsulate the parameter data, protocol version and request header information submitted by the user into a request message (i.e. request packet) and send it to the server.
The Request message received by the server (such as Tomcat) will be encapsulated in the Request object. Programmers can ge ...
Posted by crimsonmoon on Mon, 07 Mar 2022 03:05:30 +0100
1, Supplement to the previous content
2, Several problems of servlet at present
3, Problems after separating two servlets
4.2 page Jump
4.3 operation and code
4.4 data transmission
4.5 forwarding features
5.2 page Jump
5.3 code implementation
5.4 data transmission
5.5 cod ...
Posted by bigfunkychief on Sun, 13 Feb 2022 03:57:08 +0100
The essence of Ajax is to asynchronously send a request to the server by using a special object (XMLHttpRequest) provided by the brow ...
Posted by gls2ro on Thu, 10 Feb 2022 05:04:24 +0100
1, What is a Servlet
Manually implement Servlet program
2, Common configuration errors
3, How to locate the Servlet URL to the Servlet program for access
4, Servlet lifecycle
Servlet lifecycle summary
5, Distribution processing of Servlet request
Vi. realize Servlet program by inheriting HttpServlet
VII. Create Servlet progra ...
@Properties of WebServlet annotation
@Use of WebServlet annotations
In Servlet, web XML plays a very important role. It can centrally manage the configuration of all servlets, but if there are a large number of servlets in the project, web The configuration of XML will become very lengthy. In this case, Annotation is a better choi ...
Posted by a2bardeals on Tue, 08 Feb 2022 11:30:13 +0100
Servlet learning notes
1. Introduction to Servlet
Servlet (Server Applet) is the abbreviation of Java Servlet, which is called small service program or service connector. The server-side program written in Java is independent of platform and protocol. Its main function is to interactively browse and generate data and generate dynamic Web cont ...
Posted by ramonekalsaw on Sun, 16 Jan 2022 09:20:50 +0100
Problem analysis: when we write servlets, a function will correspond to a Servlet, such as LoginServlet and RegisterServlet corresponding to login and registration. When a management system has many functions, there will be 10-30 servlets, which will be very messy when people look at the code
The purpose of extracting servlets: reduce the nu ...
Posted by web_master on Sat, 08 Jan 2022 05:38:40 +0100
1.Servlet life cycle
Servlet has no main() method and cannot run independently. Its operation is completely controlled and scheduled by servlet engine. The so-called life cycle refers to the whole process of when the servlet container creates a servlet instance, when it calls its methods to process requests, and when it and destroys its instan ...
Posted by burnside on Wed, 05 Jan 2022 23:36:06 +0100
6.1 what is JSP
As long as html, there is more java code.
JSP: Java Server Pages (Java server-side pages, like servlets, are used to develop dynamic Web technology!)
Do you know why JSP was born? When we learn Servlet, don't we feel a problem? Ha ha~
Although it is true that the so-called dynamic development web is realized according to v ...
Posted by padanaram on Sun, 26 Dec 2021 18:07:52 +0100