1,applicationContext.xml配置bean
2,UserDaoImpl.java
package com.dao;
import org.springframework.jdbc.core.JdbcTemplate;
public class UserDaoImpl extends UserDao{
private JdbcTemplate jdbcTemplete;
public void setJdbcTemplete(JdbcTemplate jdbcTemplete) {
this.jdbcTemplete = jdbcTemplete;
}
public void addData(){
String sql = "insert into m_s(id,name)values(\"6\",\"@-H\")";
jdbcTemplete.update(sql);
}
public int delete(int id){
String sql = "delete from m_s where id = ";
return jdbcTemplete.update(sql, new Object[]{id});
}
}
获取bean工具类;GetBeanUtil.java
package util;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class GetBeanUtil {
public static ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
public static Object getBean(String name){
return ac.getBean(name);
}
}
测试
UserDaoImpl userdao = (UserDaoImpl) ac.getBean("useDao");
userdao.addData();
userdao.delete(6);