原文链接:http://www.orlion.ga/185/
一、下载与安装Spring
1、访问https://repo.spring.io/webapp/#/artifacts/browse/tree/Properties/libs-release-local/org/springframework/spring/3.2.16.RELEASE/spring-framework-3.2.16.RELEASE-dist.zip 右键download
2、eclipse中windows->proference->java->bulid path->User libraries创建一个名为Spring的user libraries,导入下载的包中lib目录下如图所示的jar包(commons-logging需要另外下载)
二、使用
创建如图所示代码结构:
UserDAO.java:
package ml.orlion.dao;import ml.orlion.model.User;public interface UserDAO { public void saveUser(User user);}
UserDAOImpl.java
package ml.orlion.dao.impl;import ml.orlion.dao.UserDAO;import ml.orlion.model.User;public class UserDAOImpl implements UserDAO{ public void saveUser(User user){ System.out.println("save usering"); }}
UserService.java
package ml.orlion.service;import ml.orlion.dao.UserDAO;import ml.orlion.dao.impl.UserDAOImpl;import ml.orlion.model.User;public class UserService { private UserDAO userDAO = new UserDAOImpl(); public UserDAO getUserDao() { return userDAO; } public void setUserDao(UserDAO userDAO) { this.userDAO = userDAO; } public void saveUser(User user){ this.userDAO.saveUser(user); }}
User.java
package ml.orlion.model;public class User { private String name; private int age; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } }
beans.
<?现在可以在代码中测试一下Spring了:
SpringTest.java
package ml.orlion.spring;import org.springframework.beans.factory.BeanFactory;import org.springframework.context.support.ClassPath
右键运行即可在控制台看到:save usering,成功。
原标题:Spring(一)第一个示例
关键词:Spring