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京東網上商城
Spring中bean的初始化和銷毀之前的方法XML和注解的兩種形式
XML形式
package cn.xy;
public class StudentServiceImpl
{
private StudentDao studentDao;
public void init()
{
System.out.println("正在執行初始化的init方法");
}
public void save(Student s)
{
studentDao.insert(s);
}
public void destory()
{
System.out.println("正在執行銷毀之前的destory方法");
}
public StudentDao getStudentDao()
{
return studentDao;
}
public void setStudentDao(StudentDao studentDao)
{
this.studentDao = studentDao;
}
}
<bean />
<bean init-method="init" destory-method="destory">
<property name="studentDao" ref="studentDao">
</bean>
注解形式
package cn.xy;
public class StudentServiceImpl
{
private StudentDao studentDao;
@PostConstruct
public void init()
{
System.out.println("正在執行初始化的init方法");
}
public void save(Student s)
{
studentDao.insert(s);
}
@PreDestory
public void destory()
{
System.out.println("正在執行銷毀之前的destory方法");
}
public StudentDao getStudentDao()
{
return studentDao;
}
@Resource
public void setStudentDao(StudentDao studentDao)
{
this.studentDao = studentDao;
}
}
最後更新：2017-04-02 15:28:22