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01 Spring的简单配置和使用

01 Spring的简单配置和使用

作者: 寥寥十一 | 来源:发表于2018-05-28 14:42 被阅读21次

    Spring需要的jar包

    文章中 Spring 使用的版本是 3.2.18 , 需要的 jar 包如下:

    spring-aop
    spring-aspects
    spring-beans
    spring-context
    spring-context-support
    spring-core
    spring-expression
    spring-instrument
    spring-instrument-tomcat
    spring-jdbc
    spring-jms
    spring-messaging 4.3.14
    spring-orm
    spring-oxm
    spring-test
    spring-tx
    spring-web
    spring-webmvc
    spring-webmvc-portlet
    spring-websocket 4.3.14
    aopalliance 1.0
    aspectjweaver 1.8.13
    cglib 3.1
    commons-collections 3.2.2
    commons-dbcp 1.4
    commons-logging 1.1.1
    commons-pool 1.6
    standard 1.1.2
    

    使用 Maven 构建的 Java 项目,需要在 pom.xml 中添加如下依赖:

            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-aop</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-aspects</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-beans</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context-support</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-core</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-expression</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-instrument</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-instrument-tomcat</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jms</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-messaging</artifactId>
                <version>4.3.14.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-orm</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-oxm</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>3.2.18.RELEASE</version>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-tx</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-web</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc-portlet</artifactId>
                <version>3.2.18.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-websocket</artifactId>
                <version>4.3.14.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>aopalliance</groupId>
                <artifactId>aopalliance</artifactId>
                <version>1.0</version>
            </dependency>
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjweaver</artifactId>
                <version>1.8.13</version>
            </dependency>
            <dependency>
                <groupId>cglib</groupId>
                <artifactId>cglib</artifactId>
                <version>3.1</version>
            </dependency>
            <dependency>
                <groupId>commons-collections</groupId>
                <artifactId>commons-collections</artifactId>
                <version>3.2.2</version>
            </dependency>
            <dependency>
                <groupId>commons-dbcp</groupId>
                <artifactId>commons-dbcp</artifactId>
                <version>1.4</version>
            </dependency>
            <dependency>
                <groupId>commons-logging</groupId>
                <artifactId>commons-logging</artifactId>
                <version>1.1.1</version>
            </dependency>
            <dependency>
                <groupId>commons-pool</groupId>
                <artifactId>commons-pool</artifactId>
                <version>1.6</version>
            </dependency>
            <dependency>
                <groupId>taglibs</groupId>
                <artifactId>standard</artifactId>
                <version>1.1.2</version>
            </dependency>
    

    新建一个 HelloWorld.java

    新建一个HelloWorld.java,代码如下:

    package com.nnngu;
    
    public class HelloWorld {
        private String info;
    
        public String getInfo() {
            return info;
        }
    
        public void setInfo(String info) {
            this.info = info;
        }
    }
    
    

    编写配置文件 applicationContext.xml

    在 resources 目录下创建 applicationContext.xml 配置文件

    代码如下:

    <?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-3.0.xsd">
    
        <!-- 配置需要被Spring管理的Bean(创建后放在了Spring IOC容器里面)-->
        <bean id="hello" class="com.nnngu.HelloWorld">
            <!-- 配置该Bean需要注入的属性(是通过属性set方法来注入的) -->
            <property name="info" value="2018,Happy New Year!"/>
        </bean>
    
    </beans>
    

    使用

    创建 Main.java ,代码如下:

    package com.nnngu;
    
    import org.springframework.beans.factory.BeanFactory;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    
    public class Main {
    
        public static void main(String[] args) {
            // 获取Spring的applicationContext配置文件,注入IOC容器中
            BeanFactory factory = new ClassPathXmlApplicationContext("applicationContext.xml");
            HelloWorld hw = (HelloWorld)factory.getBean("hello");
            System.out.println(hw.getInfo());
            System.out.println(hw);
        }
    }
    
    

    运行结果:

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