Spring4-Init-method 與 destroy-method使用

標籤：spring4-init-method 與 destroy-method使用

1.建立Maven項目,項目名稱springdemo41,

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2.配置Maven,修改項目中的pom.xml檔案,修改內容如下

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">  <modelVersion>1.0.0</modelVersion>  <groupId>shequ</groupId>  <artifactId>springdemo13</artifactId>  <version>0.0.1-SNAPSHOT</version>    <properties>  <java.version>1.7</java.version>  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>  <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>  </properties>    <repositories>  <repository>  <id>codelds</id>  <url>https://code.lds.org/nexus/content/groups/main-repo</url>  </repository>  </repositories>    <dependencies>  <dependency>  <groupId>junit</groupId>  <artifactId>junit</artifactId>  <version>4.10</version>  </dependency>    <dependency>  <groupId>org.springframework</groupId>  <artifactId>spring-core</artifactId>  <version>4.1.4.RELEASE</version>  </dependency>    <dependency>        <groupId>org.springframework</groupId>        <artifactId>spring-context</artifactId>        <version>4.1.4.RELEASE</version>    </dependency>        <dependency>        <groupId>org.springframework</groupId>        <artifactId>spring-jdbc</artifactId>        <version>4.1.4.RELEASE</version>    </dependency>        <dependency>        <groupId>mysql</groupId>        <artifactId>mysql-connector-java</artifactId>        <version>5.1.34</version>    </dependency>         </dependencies>  <build/></project>

3.在src/main/java下建立實體Bean Forum,包名(com.mycompany.shequ.bean)

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4.實體Bean Forum的內容如下

package com.mycompany.shequ.bean;public class Forum {private int fid;private String name;private int displayOrder;public int getDisplayOrder() {return displayOrder;}public void setDisplayOrder(int displayOrder) {this.displayOrder = displayOrder;}public int getFid() {return fid;}public void setFid(int fid) {this.fid = fid;}public String getName() {return name;}public void setName(String name) {this.name = name;}@Overridepublic String toString() {return "{fid=>"+this.fid+",name=>"+this.name+",displayOrder=>"+this.displayOrder+"}";}}

5.在src/main/java下建立介面IForumService,包名(com.mycompany.shequ.service)

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6.介面IForumService的內容如下

package com.mycompany.shequ.service;import com.mycompany.shequ.bean.Forum;public interface IForumService {public Forum findForumById(int fid);}

7.在src/main/java下建立介面IForumService的實作類別ForumServiceImpl,包名(com.mycompany.shequ.service.impl)

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8.介面IForumService的實作類別ForumServiceImpl的內容如下

package com.mycompany.shequ.service.impl;import com.mycompany.shequ.bean.Forum;import com.mycompany.shequ.service.IForumService;public class ForumServiceImpl implements IForumService {public void destroyMethod(){System.out.println("destroy-method");}public void initMethod(){System.out.println("init-method");}public Forum findForumById(int fid) {Forum forum = new Forum();forum.setName("init-method 與 destroy-method");return forum;}}

9.在src/main/resource下建立bean的設定檔spring-bean.xml,

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10.設定檔spring-bean.xml的內容如下

<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:p="http://www.springframework.org/schema/p"xmlns:context="http://www.springframework.org/schema/context"xmlns:util="http://www.springframework.org/schema/util"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-4.0.xsdhttp://www.springframework.org/schema/utilhttp://www.springframework.org/schema/util/spring-util-4.0.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-4.0.xsd"><bean id="forumservicebean" class="com.mycompany.shequ.service.impl.ForumServiceImpl" init-method="initMethod" destroy-method="destroyMethod"></bean></beans>

11.在src/main/resource下建立核心的設定檔applicationContext.xml,

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12.核心的設定檔applicationContext.xml的內容如下

<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-4.0.xsd"><import resource="bean/spring-bean.xml"/></beans>

13.在src/test/java下建立測試檔案AppTest,包名(com.mycompany.shequ.test)

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14.測試檔案AppTest的內容如下

package com.mycompany.shequ.test;import org.junit.Test;import org.springframework.context.ConfigurableApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import com.mycompany.shequ.service.IForumService;public class AppTest {@Testpublic void beanTest(){    ConfigurableApplicationContext context = new     ClassPathXmlApplicationContext("applicationContext.xml");IForumService forumService = (IForumService)context.getBean("forumservicebean");System.out.println(forumService.findForumById(1));context.close();}}

15.在測試類別AppTest的beanTest方法上右鍵運行,輸出結果

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Spring4-Init-method 與 destroy-method使用