第一个Spring程序

 

开发工具 myeclipse

 

 

 

 

 

 

log4j下载地址：http://logging.apache.org/log4j/1.2/download.html

 

D:/WORKSPACE/SPRINGDEMO
│  .classpath
│  .project
│  .springBeans
│
├─bin
│  │  beans-config.xml
│  │  log4j.properties
│  │
│  └─onlyfun
│      └─caterpillar
│              HelloBean.class
│              SpringDemo.class
│
└─src
    │  beans-config.xml
    │  log4j.properties
    │
    └─onlyfun
        └─caterpillar
                HelloBean.java
                SpringDemo.java

 

 

D:/workspace/SpringDemo/src/onlyfun/caterpillar/HelloBean.java

package onlyfun.caterpillar;public class HelloBean {private String helloWorld;public String getHelloWorld() {return helloWorld;}public void setHelloWorld(String helloWorld) {this.helloWorld = helloWorld;}}

 

 

 

D:/workspace/SpringDemo/src/onlyfun/caterpillar/SpringDemo.java

 package onlyfun.caterpillar;import org.springframework.beans.factory.BeanFactory;import org.springframework.beans.factory.xml.XmlBeanFactory;import org.springframework.core.io.ClassPathResource;import org.springframework.core.io.Resource;public class SpringDemo {public static void main(String[] args) {Resource rs = new ClassPathResource("beans-config.xml");BeanFactory factory = new XmlBeanFactory(rs);HelloBean hello = (HelloBean) factory.getBean("helloBean");System.out.println(hello.getHelloWorld());}}

 

D:/workspace/SpringDemo/src/beans-config.xml

<?xml version="1.0" encoding="UTF-8"?><beansxmlns="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-2.0.xsd"><bean id="helloBean" class = "onlyfun.caterpillar.HelloBean"><property name="helloWorld"><value>Hello,everybody.</value></property></bean></beans>

 

 

D:/workspace/SpringDemo/src/log4j.properties

log4j.rootCategory= WARN, stdout
 
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = %d %p [%c] - %m%n