Injection method and Bean life cycle in Bean dependent on injection - spring madness

catalogue 1. set injection (key) 2. Scope of Bean   2.1,Singleton 2.2, Prototype 2.4, Session Dependency injection (DI). Dependency: the creation of a Bean object depends on the container. The dependent resources of a Bean object Injection: refers to the resources that the Bean object depends on, which are set and assembled by the c ...

Posted by freeloader on Sun, 26 Sep 2021 00:02:04 -0700

The basic idea of ioc is madness

catalogue 1. Analysis and Implementation 2,   IOC essence   1. Analysis and Implementation Let's write a piece of code in our original way First write a UserDao interface public interface UserDao { public void getUser(); } Then write Dao's implementation class public class UserDaoImpl implements UserDao { @Override ...

Posted by dswain on Sat, 25 Sep 2021 21:41:38 -0700

Spring IoC XML based DI detailed configuration solution [20000 words]

This paper introduces in detail the complete solution of DI configuration based on XML for Spring IoC. Previous articles The concept of Spring IOC container and IoC assembly based on XML In, we learned two methods of dependency injection. Now let's take a look at some more detailed configurations. This article is based on spring 5.2.8. ...

Posted by nsbrown on Fri, 10 Sep 2021 14:33:13 -0700

Spr2: introduction of IOC theory

2.1 introduction The following uses specific examples to introduce the idea of IOC. Firstly, the project follows the MVC development concept, mainly including dao layer, service layer and Test at the same level as main. 2.2 examples 2.2.1 code UserDao interface: package com.yun.dao; public interface UserDao { public void speak(); } ...

Posted by Altair on Wed, 08 Sep 2021 03:20:57 -0700