1. Servlet program
1.1 what is Servlet
Servlet is one of the Java EE specifications (interfaces)
Servlet is one of the three components of Java Web. The three components are: servlet program, Filter filter, Listener listener
Servlet is a Java applet running on the server, which is used to receive the data sent by the client and respond to the ...
Posted on Sun, 07 Jun 2020 03:55:24 -0700 by gibbo101
Dispatcher servlet is the core of the whole Spring MVC framework. It is responsible for distributing all requests to the controller. At the same time, it provides other functions needed for web application development. It integrates seamlessly with the Spring IoC container, which means that any features provided by Spring can ...
Posted on Fri, 17 Apr 2020 10:17:49 -0700 by fean0r
WeChat official account development needs to get users' openid, according to WeChat official account. Official documents Note: the following preparations need to be done
1. Developers need to modify the authorized callback domain name in the configuration option of "development - Interface perm ...
Posted on Mon, 16 Mar 2020 20:46:29 -0700 by just me and php
1 function introduction
The function of this application is to fill in and submit the product form for the user. If the price information is entered incorrectly, an error prompt will appear. If there is no error, the product will be saved and a completion page will be displayed to display the saved pr ...
Posted on Tue, 14 Jan 2020 22:51:58 -0800 by cricher
js dynamic modification of html elements, access to html elements
1. Access html elements according to ID
2. Access html elements according to CSS selector
3. Access html elements by using node relationship
Access HTML elements based on ID
Document.getelementbyid (idval): returns the HTML element in the document whose id att ...
Posted on Sun, 10 Nov 2019 08:31:46 -0800 by bigmichael
<?xml version="1.0" encoding="UTF-8"?>
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID"
Posted on Fri, 11 Oct 2019 13:13:10 -0700 by dc_jt
Wechat Public Number: Architect Front Line
Original Statement: This article is originally created by the author. It refuses unauthorized reprinting of personal, media, public numbers or websites. Violators shall be held liable.
Posted on Tue, 17 Sep 2019 07:03:11 -0700 by supermars
Overview: Array length is fixed, when the added elements exceed the length of the array, we need to redefine the array. It's too troublesome. Java provides us with collection classes, which can store arbitrary objects. The length can be changed. It increases with the increase of elements and decreases with the decrease of element ...
Posted on Sat, 25 May 2019 15:57:26 -0700 by maskme
http introduction: http is a set of specifications, a standard protocol for network data interaction, different languages, different data to achieve reasonable data interaction (for example, browser and server data interaction), you have to follow the protocol he prescribed, so that a standard (everyone knows) data interaction will be formed.
Posted on Wed, 08 May 2019 06:00:39 -0700 by daveh33
1. Cognition of Java Servlet
1.1 Concepts related to Web development
Web servers: Tomcat, Apache, ngix, IIS
Web browsers: Google Chrome, Mozilla FireFox, Apple Safari, Microsoft Edge, IE
HTTP: HyperText Transfer Protocol Hypertext Transfer Protocol
HTML: HyperText Markup Language Hypertext Markup Language
1.2 What is Ser ...
Posted on Sat, 04 May 2019 08:40:38 -0700 by cirko