spring service annotation

It's so hard to find.Original address: Https://dzone.com/articles/spring-annotation-processing-how-it-worksIf you see an annotation, there must is some code somewhere to process it.One of the things I emphasize when I teach Java classes was the fact that annotations was inert. In other words, they is just markers, potentially with some properties, but with no beh

scan needs to be configured in two configuration files, and I have done so several tests:(1) Only configured as follows in Applicationcontext.xml Startup is normal, but no requests are intercepted, in short, @controller failure(2) Configure the above configuration only in Spring-servlet.xmlStart normal, the request is normal, but the thing is invalid, that is, cannot roll back(3) Configure the above information in both Applicationcontext.xml and

logic layer @ Repository: Persistence Layer 2. Annotations exist. Java code@ AutowiredUserService userService; @ AutowiredUserService userService; 3. Corresponding setter Method Java codePublic void setUserService (UserService userService ){This. userService = userService;} Public void setUserService (UserService userService ){This. userService = userService;} 4. If it is an interface or an abstract class, the class must be unique; otherwise, an error occurred while creating the instance. J

Spring uses annotations to configure C3P0 connection pooling and DAO use JdbcTemplate 1.Spring Configuration c3p0 Connection pool Step one: Import the C3P0 jar package Jar Package Download Step Two: Create the spring configuration file and configure the connection pool This is what we write when we write the C3P0 connection pool: Combopooleddatasource da

Note implementation of Bean management Classpath Scanning and component management Automatic detection of classes and registration of beans @Component, @Repository, @Service, @Controller @Required @Autowired @Qualifier @Resource (i) Classpath scanning and component management Starting with Spring3.0, the Spring Javaconfig project offers a number of feature

. @InitBinder is commonly used for controller to HTML encode all incoming strings so that form can be passed, preventing XSS attacks, such as converting a date of a string type to a date type @EnableCaching Note Automation configures the appropriate cache manager. @EnableWebSecurity annotation Opens the function of spring security, integrating websercrityconfigureadapter. The @SringBootApplication is equiva

write the annotations, spring will automatically help you find the appropriate bean, the corresponding annotation markup meaning, do not understand, you can check the @service, @Controller, @Entity and so on. Package Com.mvc.controller; Import java.util.List; Import Javax.servlet.http.HttpServletRequest; Import Javax.servlet.http.HttpServletResponse; Import Org

, Commonannotationbeanpostprocessor, Persistenceannotationbeanpostprocessor, requiredannotationbeanpostprocessor These processing classes, can beConfigure the implicit configuration into the spring container. These are the processing of dependency injections, as well as the processing of production bean annotations (@Component, @Controller, @Service, @Repository): Package= "Net.aazj.service,net.aazj.aop"/>t

Spring mvc Annotation Starting from Spring 2.5, Spring provides the function of completely configuring beans based on Annotations and assembling beans. We can use annotation-based Spring IoC to replace the original XML-based confi

Package com. liren. javadb2; Import static org. JUnit. Assert. assertnotnull;Import static org. JUnit. Assert. fail; Import java. SQL. connection; Import javax. SQL. datasource; Import org. JUnit. test;Import org. JUnit. Runner. runwith;Import org. slf4j. Logger;Import org. slf4j. loggerfactory;Import org. springframework. Beans. Factory. annotation. autowired;Import org. springframework. Test. Context. contextconfiguration;Import org. springframewor

://www.springframework.org/schema/tx/spring-tx.xsd "> Beans>3. Create an implementation class Public Interface UserService { publicvoid Save (); Public void update (); Public void Delete ();}@Service (value= "UserService") Public classUserserviceimplImplementsUserService {@Override Public voidSave () {//TODO auto-generated Method StubSYSTEM.OUT.PRINTLN ("Business layer: Save

://www.springframework.org/schema/p"Xmlns:tx= "Http://www.springframework.org/schema/tx"Xmlns:context= "Http://www.springframework.org/schema/context"xsi:schemalocation="http//Www.springframework.org/schema/beanshttp//www.springframework.org/schema/beans/spring-beans.xsdhttp//Www.springframework.org/schema/txhttp//www.springframework.org/schema/tx/spring-tx.xsdhttp//Www.springframework.org/schema/contexthtt

,inch); }}Service Interface:// transfer case Business layer interface Public Interface Accountservice { /* * * @param out: Transfer account * @param in : Transfer account * @param Money: Transfer amount */ public void -In , Double money);}Service Implementation class:Using @transactional things annotations, you can use different annotat