Preliminary use of struts

Environment construction: 1... / jar package configuration for pom.xml 2.web.xml configuration 3. Configuration of struts. XML Struts. XML (core configuration file) Configuration of struts-base.xml Configure the web.xml file (Note: Ctrl+Shift+t is ...

Posted on Wed, 21 Aug 2019 20:24:45 -0700 by pauleth

Strts2 Result View and Action Type

Result View 1. Result View Concept The return value of action method is String type. It returns the name of the corresponding result view. In action class, return keyword is used to express it. In corresponding struts.xml file, tag is used to express it.2. Result View Properties <result name="succe ...

Posted on Sun, 04 Aug 2019 00:15:57 -0700 by first_lady_the_queen

struts--CRUD optimization (picture upload)

1. Upload Method Upload to the specified file directory, adding a mapping relationship between the server and the real directory to decouple the relationship between the uploaded file and tomcat) File Server 2.web Code Optimization 1 package com.yuan.crud.web; 2 3 import java.io.BufferedInputStream; 4 import java.io.BufferedOut ...

Posted on Tue, 30 Jul 2019 11:50:24 -0700 by FUNKAM35

Use interceptor to control login and privileges in strut 2

Struts In JSP servlets, we usually use Servlet Filter to control whether the user logs in or has permission to go to a page. In struts 2, we should think of his Interceptor, which plays a very important role in struts 2. Many of the functions in struts 2 are implemented using Interceptor.  Requirements: Simple login interface, allowing ...

Posted on Tue, 09 Jul 2019 14:27:45 -0700 by simrx11

Building ssh framework for user login registration

Building ssh framework for user login registrationThe first step is to import the jar package Step 2 Setting up a struts2 environment(1) Create action (inherit actionnsuport), create struts.xml configuration file, configure actionpublic class UserAction extends ActionSupport{}<?xml version="1.0" encoding="U ...

Posted on Sat, 29 Jun 2019 19:23:54 -0700 by and1c

spring-webmvc source code learning: the initial process of Dispatcher Servlet

Dispatcher Servlet has been called "front-end controller" in many articles, and I prefer to call it "request distributor" (this is not a word game, but it's just a way to better understand the author's design ideas, and a good name is really important.) In my opinion, this way of distributing requests can also be abstracted ...

Posted on Tue, 25 Jun 2019 17:34:26 -0700 by imcookie

Strts 2.5.10.1 Initial Experience - Introduction to Configuration Guidelines

Strts 2.5.10.1 Initial Experience - Introduction to Configuration Guidelines Struts 2 is an MVC framework that people who study Java Web development must learn. The latest version of struts 2 is 2.5.10.1 on June 10, 2017. It is recommended (because it makes up for the loophole of version 2.5). The configuration of struts 2.5.10.1 has change ...

Posted on Sun, 23 Jun 2019 11:27:06 -0700 by asherinho

A Brief Analysis of the Startup and Request Processes of Strs2

What is the process from clicking on the start of the server (the server mentioned here is tomcat) to starting the service to making requests to the server? Start-up process: WEB Server Start: 1 - Load parsing $CATALINA_HOME/conf/web.xml 2 - Load web.xml under each WEB app 3 - For the struts2 framework, interceptors are configured in ...

Posted on Sun, 09 Jun 2019 12:23:28 -0700 by robman2100

Deep understanding of Java reflection

What is reflection? Reflection is one of the features of the Java Program Development Language, which allows a running Java program to get its own information and manipulate the internal properties of a class or object. Oracle's official explanation for reflection is  Reflection enables Java code to discover information about the fields ...

Posted on Fri, 07 Jun 2019 10:50:15 -0700 by bcamp1973

Differentiation and use of struts 2 filters and interceptors

Distinction and use of java web filters and interceptors 1.1 What is an interceptor: Interceptor, used in AOP (Aspect-Oriented Programming) to intercept a method or field before it is accessed, and then add some operations before or after it. Interception is an implementation strategy of AOP.   Chinese documents in Webwork are interpreted ...

Posted on Thu, 23 May 2019 14:16:52 -0700 by Tucker1337