Implementation of springioc's first classroom case

 I,
DefinitionGreetingserviceInterface

PackageCN. csdn. hr. Service;

PublicInterfaceGreetingservice {

PublicVoidSaygeeting ();

}

 

II,
DefinitionGreetingserviceimplClass and implementGreetingserviceInterface

PackageCN. csdn. hr. Service;

PublicClassGeetingserviceImplImplements
Greetingservice {

PrivateString
Greeting;

 

/* BeanConfiguration FilePropertyAttributeName
AndGreetingConsistent, automatically passedSetMethod Injection*/

//Dependency Injection

PublicVoidSetgreeting (string greeting ){

This.Greeting= Greeting;

}

PublicVoidSaygeeting (){

System.Out. Println (Greeting);

}

}

 

III,
DefinitionApplicationcontext. xml

<?XML
Version="1.0"
Encoding=UTF-8"?>

<Beans
Xmlns=Http://www.springframework.org/schema/beans"

Xmlns: xsi=Http://www.w3.org/2001/XMLSchema-instance"
Xsi: schemalocation=Http://www.springframework.org/schema/beans
Http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

 <Bean
ID="Greetingservicebean" 
Class="Cn. csdn. hr. Service. geetingserviceImpl"
Scope="Singleton">

<! --
PropertybeanAttribute Value in-->

<Property
Name="Greeting">

<Value>Hi!!</Value>

</Property> 

</Bean>

</Beans>

IV,
Test

Package CN. csdn. hr. JUnit;

Import org. JUnit. test;

Import org. springframework. Beans. Factory. beanfactory;

Import org. springframework. Beans. Factory. xml. xmlbeanfactory;

Import org. springframework. Context. applicationcontext;

Import org. springframework. Context. Support. classpathxmlapplicationcontext;

Import org. springframework. Context. Support. filesystemxmlapplicationcontext;

Import org. springframework. Core. Io. classpathresource;

Import org. springframework. Core. Io. filesystemresource;

Import org. springframework. Core. Io. resource;

Import CN. csdn. hr. Service. geetingservicebean;

Import CN. csdn. hr. Service. greetingservice;

Public class appmain {

@ Test

Public void test (){

//AssemblyBean

Applicationcontext context = new filesystemxmlapplicationcontext ("D: \ Users \ Administrator \ workspace \ day \ SRC \ applicationcontext. xml ");

//CreateBeanfacoryFactory

//ObtainBeanfactoryCreated by the factoryBeanObject

Greetingservice = (greetingservice) Context. getbean ("greetingservicebean"); // XMLResource fileClassbean

//UseBeanInstance

Greetingservice. saygeeting ();

}

@ Test

Public void test1 (){

//AssemblyBean

//Create a dependent resource file

Applicationcontext = new classpathxmlapplicationcontext ("applicationcontext. xml ");

//ObtainBeanfactoryCreated by the factoryBeanObject

Greetingservice = (greetingservice) applicationcontext. getbean ("greetingservicebean"); // XMLResource fileClassbeanOfIDName

//UseBeanInstance

Greetingservice. saygeeting ();

}

}