Java's Spring Learning 1--spring Reference and attribute (Setter,getter) injection

Source: Internet
Author: User

1. Directory structure

Project->src->main->java->com.test.ppmoney set Java folder for code in Project Structure modules select the appropriate directory and click the Sources menu

Project->src->main->resources set the resources folder for the resource in Project Structure, select the appropriate directory in the modules, and then click the Assets menu.

2. Adding spring dependencies to the dependent file Pom.xml

        <!--        < dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-context< /artifactid>            <version>4.3.7.RELEASE</version>        </dependency>

3. Add the appropriate reference in the code file

Import Org.springframework.context.ApplicationContext; import;

4. Add the appropriate bean file

Create a new file under the resources file, such as Bean1.xml

Enter the appropriate code as follows:

<?xml version= "1.0" encoding= "UTF-8"?> <beans xmlns:xsi= "Http://"              xmlns= "Http://"             xsi:schemalocation= "http//    Spring-beans-3.0.xsd ">             class=" ">         <property name=" name "value= "Yang"/>     </bean> </beans>

5. Enter the following code in the main program

classTeacherextendsobservable{ PublicTeacher () {} PublicTeacher (String name) { This. name=name; }    PrivateString name;  Public voidStartlesson () {System.out.println (String.Format ("Teacher%s Start class", name)); Super. setchanged (); Super. Notifyobservers (); }     PublicString GetName () {returnname; }     Public voidsetName (String name) { This. Name =name; }}

6. The caller code is as follows:

New Classpathxmlapplicationcontext ("Bean1.xml"); // read the contents of the Bean.xml         Teacher Sir=ctx.getbean ("Teacher", Teacher.  Class);         if (sir==null)        {            "Teacher Init Failed ..." );        }         Else  {
System.out.println ("Teacher Init Succ ..." );

Java's Spring Learning 1--spring Reference and attribute (Setter,getter) injection

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