Spring -1

User.java

package com.yh.entity;

public class User {

}

IUserDao.java

package com.yh.dao;

import com.yh.entity.User;

public interface IUserDao {
    public void save(User user);
    public int delete(Integer id);
}

UserDao.java

package com.yh.dao.impl;

import com.yh.dao.IUserDao;
import com.yh.entity.User;

public class UserDao implements IUserDao {

    public int delete(Integer id) {
        // TODO Auto-generated method stub
        System.out.println("删除用户！");
        return 0;
    }

    public void save(User user) {
        // TODO Auto-generated method stub
        System.out.println("增加用户！");
      
    }

}

IUserBiz.java

package com.yh.biz;

import com.yh.entity.User;

public interface IUserBiz {
       public void addNewUser(User user);
       public int delUser(Integer id);
}

UserBiz.java

package com.yh.biz.impl;

import com.yh.biz.IUserBiz;
import com.yh.dao.IUserDao;
import com.yh.entity.User;

public class UserBiz implements IUserBiz {
    private IUserDao userDao;
    
    
    public IUserDao getUserDao() {
        return userDao;
    }

    public void setUserDao(IUserDao userDao) {
        this.userDao = userDao;
    }

    public void addNewUser(User user) {
        // TODO Auto-generated method stub
        userDao.save(user);
    }

    public int delUser(Integer id) {
        // TODO Auto-generated method stub
        return userDao.delete(id);
    }

}

LoggerBefore.java

package com.yh.aspect;

import java.lang.reflect.Method;

import org.apache.log4j.Logger;
import org.springframework.aop.MethodBeforeAdvice;

public class LoggerBefore implements MethodBeforeAdvice {
    Logger logger=Logger.getLogger(LoggerBefore.class);
    public void before(Method arg0, Object[] arg1, Object arg2)
            throws Throwable {
        // TODO Auto-generated method stub
          logger.debug("执行对象"+arg2+"中的方法名"+arg0.getName());
    }

}

applicationContext.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"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
                        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
                        http://www.springframework.org/schema/aop
                        http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
                        ">

<bean id="userDao" class="com.yh.dao.impl.UserDao"></bean>

<bean id="userBiz" class="com.yh.biz.impl.UserBiz">
   <property name="userDao" ref="userDao"></property>
</bean>

<!-- 切面 -->
<bean id="aspectBefore" class="com.yh.aspect.LoggerBefore"></bean>

<!-- 织入 -->
<aop:config>
   <aop:pointcut expression="execution(* com.yh.biz.*.*(..))" id="pc"/>
   <aop:advisor advice-ref="aspectBefore" pointcut-ref="pc"/> 
</aop:config>





























<bean id="my" class="com.yh.core.Myclass">
  <property name="name">
   <value>张嘎</value>
  </property>
  <property name="contend">
   <value>每天都要打鬼子</value>
  </property>
</bean>
<bean id="you" class="com.yh.core.Myclass">
  <property name="name">
   <value>god</value>
  </property>
  <property name="contend">
   <value>世界上只有二种人</value>
  </property>
</bean>

</beans>

log4j.properties

### ÉèÖÃLoggerÊä³ö¼¶±ðºÍÊä³öÄ¿µÄµØ ###
log4j.rootLogger=debug, stdout,logfile

### °ÑÈÕÖ¾ÐÅÏ¢Êä³öµ½¿ØÖÆ̨ ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.err
log4j.appender.stdout.layout=org.apache.log4j.SimpleLayout

### °ÑÈÕÖ¾ÐÅÏ¢Êä³öµ½Îļþ£ºjbit.log ###
log4j.appender.logfile=org.apache.log4j.FileAppender
log4j.appender.logfile.File=jbit.log
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %l %F %p %m%n

Myclass.java

package com.yh.core;

public class Myclass {
  private String name;
  private String contend;
public String getName() {
    return name;
}
public void setName(String name) {
    this.name = name;
}
public String getContend() {
    return contend;
}
public void setContend(String contend) {
    this.contend = contend;
}
  
 public void show(){
     System.out.println(name+"说："+contend);
 }
}

MyTest.java

package com.yh.core;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.yh.biz.IUserBiz;

public class MyTest {
     public static void main(String[] args){
         ApplicationContext ac=new ClassPathXmlApplicationContext("applicationContext.xml");
         //创建spring容器
        // Myclass mc1=(Myclass) ac.getBean("my");
        // Myclass mc2=(Myclass) ac.getBean("you");
        // mc1.show();
        // mc2.show();
        IUserBiz ubiz=(IUserBiz) ac.getBean("userBiz");
         ubiz.addNewUser(null);
         ubiz.delUser(0);
         
     }
     
}