java-Spring jdbcTemplete datasource相关代码示例

1,applicationContext.xml配置bean

    <!-- 配置datasource -->

    <bean id="dataSource"

    class="org.apache.commons.dbcp.BasicDataSource">

    <property name="driverClassName" value="org.gjt.mm.mysql.Driver"/>

    <property name="url" value="jdbc:mysql://localhost:3306/test"/>

    <property name="username" value=""/>

    <property name="password" value=""/>

    </bean>


    <!-- Jt bean -->

    <bean id="jt" class="org.springframework.jdbc.core.JdbcTemplate">

    <property name="dataSource" ref="dataSource"></property>

    </bean>

    <bean id="useDao" class="com.dao.UserDaoImpl">

    <property name="jdbcTemplete" ref="jt"></property>

    </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);

 

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