java spring framework tutorial

Learn mavenPom.xml Compile package Install Spring Dependency Injection Usage examples1 Package Hello; 2 3 Public Interface Messageservice {4 String getMessage (); 5 }1 PackageHello;2 3 Importorg.springframework.beans.factory.annotation.Autowired;4 Importorg.springframework.stereotype.Component;5 6 @Component7 Public classMessageprinter {8 9 Final PrivateMessageservice Service;Ten One @Autowired A PublicMessageprinter (Messageser

://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.1.xsd ">On the inside first configure the DataSource and Sqlsessionfactorybean configuration as follows:Then write a test class to test whether the sqlsessionfactory can be loadedThe main code is as follows:public class Testsqlsessionfactory {@Testpublic void Test1 () {ApplicationContext AC =New Classpathxmlapplicationcontext ("Applicationcontext.xml");Syst

@RequestMapping (value={"/"},method={requestmethod.head}) PublicString Head () {return"Go.jsp";}//handling "/index" and "/" Requests for get types@RequestMapping (value={"/index", "/"},method={requestmethod.get}) PublicString index (model model)throwsException {logger.info ("======processed by index======="); //return msg parameterModel.addattribute ("msg", "Go Go go!");return"Go.jsp"; }}This is a separate way of handling the head request, which can be used to detect the state of the server be

Deploy the project to local Tomcat under idea to run and validate the consolidation results(1). Click the drop-down button as shown, pop-up edit configurations ... After clicking on the item.　(2). Click the "+" sign in the red box to select the Tomcat server->local after jumping out of the following screen　(3). The following interface appears, modifying the name of the custom startup item, configuring the local tomcat(4). Select the project to run　(5). Specify the ContextPath for the project to

Spring is an open-source framework created by Rod Johnson. It is created to solve the complexity of enterprise application development. Spring uses the basic Javabean to complete the previous tasks that may only be completed by EJB. However, spring is not only used for server-side development. From the perspective of s

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

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

case if there is only one userinfo_name in the Beans.xml. * More, you cannot use this, so the introduction can be used with the following method *userinfo User=ctx.getbean (Userinfo.class); */ //a method with parameters//UserInfo User=ctx.getbean ("Userinfo_name", userinfo.class);System.out.println (user); /*Attach: Initialize the container, you can also write *applicationcontext ctx= new Classpathxmlapplicationcontext ("Beans.xml"); * Because ApplicationContext is the

I. BACKGROUNDAfter we have done the above four-step operation, we will refer to our GitHub warehouse for version management of the project we have written, the following steps.Second, the submission process1. First you have to make sure that you already have GitHub username and password.2. Select item, vcs->import into Version Control-Share project on GitHub　　3. Enter a user name and password for GitHub and click Login　　4. Enter the name of the new GitHub repository and the name of the Git branc

In Java development, often used in the framework of SSH, and in this framework, we first touched by the magic of spring, although there are more than N, said Spring is a collection of n many common code, is to help us to achieve, we have long ago to achieve or have achieved

;Importorg.junit.Test;ImportOrg.springframework.context.ApplicationContext;ImportOrg.springframework.context.support.ClassPathXmlApplicationContext;ImportCom.bjsxt.model.User;//Dependency Injection//Inverse of Control Public classuserservicetest {@Test Public voidTestadd ()throwsException {classpathxmlapplicationcontext ctx=NewClasspathxmlapplicationcontext ("Beans.xml"); UserService Service= (UserService) ctx.getbean ("UserService"); System.out.println (Service.getclass ()); Service.save

application}The method must be implemented, and the method is automatically calledThis method, in the process of being called, passes the created Request object to you through parameters, which you can assign to the variables in this class, and then request to use theNote: the Setservletrequest () method must be executed before the Execute () method is called4. Let's write our JSP file nextHere, let's expand the knowledge of Struts2 's label.STRUTS2 tags in use, when to use #, when can not be u

component model. The reality is that people are investing a lot in all aspects related to the Java EE. It may seem plausible to announce the abandonment of all previous work and to organize it, but it is not based on good business insights. EJB continues to evolve, and terminology, practices, and frameworks emerge (spring up), which make up for the inadequacy of the Ja