spring service annotation

Common annotations for Spring beans@Component: usually annotations, available for any bean@Repository: Typically used to annotate the DAO layer, which is the persistence layer@Service: Typically used to annotate service tiers, or services tiers@Controller: Typically used to annotate the controller layer, which is the control layerAutomatic detection of classes an

()+ "--" +u.getname () + "--" +u.getpasswd ()); }Spring Configuration:XMLNS:AOP= "HTTP://WWW.SPRINGFRAMEWORK.ORG/SCHEMA/AOP" xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance"Xmlns:context= "Http://www.springframework.org/schema/context" xmlns:tx= "Http://www.springframework.org/schema/tx"Xmlns:dwr= "Http://www.directwebremoting.org/schema/spring-dwr"Xmlns:dwra= "Http://www.directwebremoting.org/schema

return (after return advice): A notification that is executed after a connection point has completed normally, and does not include cases where an exception was thrown. The ApplicationContext uses Wrapping Notification (Around advice): A notification that surrounds a connection point, similar to the Dofilter method of the filter in the servlet specification in the Web. You can customize the behavior before and after the call to the method, or you can choose not to execute. The Applicat

return (after return advice): A notification that is executed after a connection point has completed normally, and does not include cases where an exception was thrown. The ApplicationContext uses Wrapping Notification (Around advice): A notification that surrounds a connection point, similar to the Dofilter method of the filter in the servlet specification in the Web. You can customize the behavior before and after the call to the method, or you can choose not to execute. The Applicat

update () {this. okpDao. update () ;}@ PostConstructpublic void init () {System. out. println ("Run before container creation") ;}@ PreDestroypublic void destory () {System. out. println ("executed after container destruction ");}} 4. face Cutting Package com. service; import org. aspectj. lang. annotation. after; import org. aspectj. lang. annotation. afterRetu

configuration file Config/applicationcontext.xml, which can be used: Getservletcontext (). Getinitparameter ("ParaName"); Read the value.Note: The difference between Init-param and Context-param can be seen from the name, which is relative to the entire Web application, whereas the former is for a single servlet.2. Springmvc.xmlLet's take a look at how Springmvc.xml should be configured:Enable the annotation driver to scan the controller, specify the

Simple Spring annotation Injection Using Reflection On the Rise of the moment, I looked at the source code of Spring over the past two days and wanted to write a simple Spring Injection Using annotation !! Spring

; Import Org.springframework.context.ApplicationContext; Import Org.springframework.context.support.ClassPathXmlApplicationContext; The public class Testannoweb { @Test public void Demo02 () { //obtains String Xmlpath = "from the Spring container =" Com/itheima/g_ Annotation/b_web/beans.xml "; ApplicationContext ApplicationContext = new Classpathxmlapplicationcontext (xmlpath); Studentaction st

(after return advice): A notification that is executed after a connection point is completed normally, excluding the case of throwing an exception. The ApplicationContext uses Surround Notification (Around advice): A notification that surrounds a connection point, similar to the Dofilter method of the filter in the servlet specification in the Web. You can customize the behavior before and after the call to the method, or you can choose not to execute. The ApplicationContext uses notifi

return (after return advice): A notification that is executed after a connection point has completed normally, and does not include cases where an exception was thrown. The ApplicationContext uses Wrapping Notification (Around advice): A notification that surrounds a connection point, similar to the Dofilter method of the filter in the servlet specification in the Web. You can customize the behavior before and after the call to the method, or you can choose not to execute. The Applicat

object.The use of spring AOP can be based on two ways, one is more convenient and powerful annotation, the other is a good way to configure the XML.To start with annotations, use annotations to configure Spring AOP as a whole in two steps:The first step is to declare the activation of the auto-scan component feature in the XML file, while activating the automati

Add Ehcache Dependency package in 1.pom.xml2. Add ehcache configuration file under Classpath ehcache.xml3.spring configuration file Applicationcontext.xml need to be aware of adding red italic Partial configurationXmlns:cache= "Http://www.springframework.org/schema/cache" xsi: schemalocation= "Http://www.springframework.org/schema/cache http ://www.springframework.org/schema/cache/spring-cache-3.2.xsd" >4

@Target(ElementType.TYPE)@Retention(RetentionPolicy.RUNTIME)@Documentedpublic @interface Component {/** * The value may indicate a suggestion for a logical component name, * to be turned into a Spring bean in case of an autodetected component. * @return the suggested component name, if any */String value() default "";} @Target({ElementType.TYPE})@Retention(RetentionPolicy.RUNTIME)@Documented@Componentpublic @interface Repository {/** * The value may i

In addition to the XML-based configuration, Spring supports Annotation-based configuration. Spring provides the following Annotation to annotate a spring Bean:@Component: Annotate a normal Spring Bean@Controller: Labeling a Contro

The previous blog in the Spring Boot integration MyBatis, using the annotated configuration, I believe many people still prefer this elegant way, today we look at spring boot using mybatis annotation configuration detailed; An example of modifying the previous project; method of transmitting parameters The insert operation implemented in the previous article is i

. The following example briefly describes the spring annotation principle: This example implements processing parsing for annotations on the set method and on the field properties. 1. Create an annotation Package com.wuxing.learn.annotation; Import Java.lang.annotation.ElementType; Import java.lang.annotation.Retention; Import Java.lang.annotation.RetentionPol

return (after return advice): A notification that is executed after a connection point has completed normally, and does not include cases where an exception was thrown. The ApplicationContext uses Wrapping Notification (Around advice): A notification that surrounds a connection point, similar to the Dofilter method of the filter in the servlet specification in the Web. You can customize the behavior before and after the call to the method, or you can choose not to execute. The Applicat

The Apache CXF provides a convenient spring consolidation approach that exposes Web services and consumer Web services through annotations, Spring-labeled configurations Various types of annotation. @WebService and @WebMethod are WSDL mapping annatotion. These Annotation relate the WSDL document element that describes

business layer components@Repository for labeling data Access Components, DAO components@Controller for labeling control-level components, such as action in struts@Component A generic component, you can use this annotation to annotate a component when it is not well categorized1, you can use such as @service ("Persondao") to modify the bean name, and it defaults to the first letter lowercase class name 2.

Premise: Spring has been deployed (refer to the previous article: Web project Deployment Spring Bean Factory)One: New dependent jar Package1:spring-aop-4.1.6.release.jar (required when modifying beans attribute in Applicationcontext.xml)Two: Web. xml unchanged, modify Applicationcontext.xml1: Remove DTD (2: New beans Attribute (xmlns,xmlns:xsi,xmlns:context,xsi:s