Spring-Studyday-1

用Spring写一个HelloWorld

环境

1. jdk 1.7
2. eclipse 2017
3. spring 4.2.5
4. common-logging 1.2

   创建项目

   创建eclipse文件，导入必要的jar包
   

   编写程序

   编写HelloWorld与xml文件以及MainAPP文件

   //HelloWorld.java
   package cn.suock.spring;
   public class HelloWorld {
      private String message;
      public void setMessage(String message){
         this.message  = message;
      }
      public void getMessage(){
         System.out.println("Your Message : " + message);
      }
   }

//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-3.0.xsd">

   <bean id="helloWorld" class="cn.suock.spring.HelloWorld">
       <property name="message" value="Hello World!"/>
   </bean>

</beans>

//MainAPP
package cn.suock.spring;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class MainApp {
   public static void main(String[] args) {
      ApplicationContext context = 
             new ClassPathXmlApplicationContext("Beans.xml");
      HelloWorld obj = (HelloWorld) context.getBean("helloWorld");
      obj.getMessage();
   }
}

运行程序