java-Spring jdbcTemplete datasource相关代码示例
2012-12-24 17:02
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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);
<!-- 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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