java spring framework tutorial for beginners

View layer: Combines the control layer to display the foreground page. Control layer: The Business module process controls, invoking the service layer interface. Service layer: A business Operation implementation class that invokes the DAO layer interface. DAO Layer: Data Service processing, persistence Operation model layer: Pojo,or maping, persistence layerSSM framework-Detailed Integration Tutorial (

={"Classpath:/config/applicationcontext-*.xml", "classpath:/config/ Applicationcontext-beans-*.xml "," Classpath:/config/applicationcontext-beans.xml "})5. Create a test method　　To create a test method, the recommended name is "test method name + test".　　Add @Test above the test method6. Execute via JUnit 4　　Right-click the method name and select "Run as" → "JUnit Test" toPackage com.zjpost.bank.service;Import Javax.annotation.Resource;Import Org.junit.Test;Import Org.junit.runner.RunWith;Import

; PrivateInteger age; PrivateCar car; publicString getName () {returnname; } public voidsetName (String Name) { this. Name =name; } publicInteger getage () {returnage ; } public voidsetage (Integer Age) { this. Age =age ; } publicCar getcar () {returncar; } public voidSetcar (car Car) { this. Car =car; } @Override publicString toString () {return"person [name=" + name + ", age=" + age + ", car=" + car + "]"; } }BeanID= "person"class= "com.oneline.spring.day01.Person">

;adding annotations to the service business logic implementation class@Transactional@Service ("Userserivce")publicclassimplements iuserservice{ @Autowired @Qualifier ("Usermapper") private Usermapper Usermapper; @Override @Transactional (propagation=propagation.supports) public list queryusers () { return usermapper.queryusers (); }}Attention:1) Add @Transactional annotations on the class to uniformly add transactions for all business methods of the class. If a

Classification:Java Framework LearningThe architecture of SpringSpring is an open-source lightweight frameworkSpring Project development process:Create a project--add the required class Library jar package--Create a source file programming call Library--Create a bean's profile--run debuggingCore Features:1. AOP: Plane-oriented programming2, IOC: control inversion, the creation of objects to spring managemen

Java Spring 5 new features functional web framework Example Let's start with some excerpts from the sample application. The following is a response information repository that exposes the person object. Very similar to the traditional, unresponsive information base, except that it returns to flux Public interface Personrepository { mono Here's how

First, the framework of the download 1, struts2:http://struts.apache.org/download 2, Spring:http://www.springsource.org/download/community3, hibernate:http://sourceforge.net/projects/hibernate/files/hibernate4/. Create a project, add a JAR package 1, create a Java Web Project testssh.2, Add a struts package: Aopalliance-1.0.jar, freemarker-2.3.19.jar,ognl-3.0.5.jar,struts2-core-2.3.4.jar,struts2-

Concept One, what spring is 1 is an application framework that provides strong support for the development of applications, such as support for transaction processing and persistence, and so on.2 is a bean container that manages the entire lifecycle of the Bean object, maintaining the various existing state of the bean, such as instantiating the Bean object, destroying it, single instance of the bean and mu

to prototype scope1 2 3 xmlns:xsi=" Http://www.w3.org/2001/XMLSchema-instance "4 xsi: schemalocation= "Http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/ Spring-beans.xsd ">56 class=" Com.example.spring.HelloWorld "scope=" Prototype">7 8 Run output:Your message:i ' m object a13:52:03.767 [main] DEBUG org.springframework.beans.factory.support.defaultlistablebeanfactory-creating instance of b

The spring container is the core of the spring framework. The container creates objects that are connected, configured, and managed throughout their lifecycle from creation to destruction. The spring container uses Dependency injection (DI) to manage the components that make up the application. These objects are called