所需jar包
数据库配置文件
driverClassName=com.mysql.jdbc.Driver
url=jdbc\:mysql\://localhost\:3306/test?useUnicode\=false&characterEncoding\=UTF-8
username=root
password=root
initialSize=1
maxActive=100
maxIdle=2
minIdle=1
spring配置文件
<?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:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
<!-- 定义数据源配置文件占位符 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 配置数据源 bean-->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${driverClassName}"></property>
<property name="url" value="${url}"></property>
<property name="username" value="${username}"></property>
<property name="password" value="${password}"></property>
<property name="initialSize" value="${initialSize}" />
<property name="maxActive" value="${maxActive}" />
<property name="maxIdle" value="${maxIdle}"></property>
<property name="minIdle" value="${minIdle}"></property>
<!--
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url" value="jdbc:mysql://localhost:3306/test?useUnicode=false&characterEncoding=UTF-8"></property>
<property name="username" value="root"></property>
<property name="password" value="root"></property>
<property name="initialSize" value="1" />
<property name="maxActive" value="100" />
<property name="maxIdle" value="2"></property>
<property name="minIdle" value="1"></property>
-->
</bean>
<!-- 事务管理bean -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 采用注解方式进行事务管理 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
<!-- 配置服务bean -->
<bean id="personService" class="com.wj.service.impl.PersonServiceBean">
<property name="ds" ref="dataSource"></property>
</bean>
</beans>
实体bean
package com.wj.vo;
public class Person {
private Integer id;
private String name;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
服务层接口
package com.wj.service;
import java.util.List;
import com.wj.vo.Person;
public interface PersonService {
public void save(Person person);
public void update(Person person);
public Person getPerson(Integer id);
public List<Person> getPersons();
public void delete(Integer id);
}
服务层实现类
package com.wj.service.impl;
import java.util.List;
import javax.sql.DataSource;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.annotation.Transactional;
import com.wj.service.PersonService;
import com.wj.vo.Person;
//声明事务管理
@Transactional
public class PersonServiceBean implements PersonService {
// 数据库操作类
private JdbcTemplate jt;
@Override
public void delete(Integer id) {
jt.update("DELETE FROM PERSON WHERE ID=?", new Object[] { id },
new int[] { java.sql.Types.INTEGER });
}
@Override
public Person getPerson(Integer id) {
Person person = (Person) jt.queryForObject(
"SELECT * FROM PERSON WHERE ID=?", new Object[] { id },
new int[] { java.sql.Types.INTEGER }, new PersonRowMapper());
return person;
}
@Override
public List<Person> getPersons() {
List<Person> list = (List<Person>)jt.query("SELECT * FROM PERSON", new PersonRowMapper());
return list;
}
@Override
public void update(Person person) {
jt.update("UPDATE PERSON SET NAME=? WHERE ID=?", new Object[] {
person.getName(), person.getId() }, new int[] {
java.sql.Types.VARCHAR, java.sql.Types.INTEGER });
}
@Override
public void save(Person person) {
jt.update("INSERT INTO PERSON(NAME) VALUES(?)", new Object[] { person
.getName() }, new int[] { java.sql.Types.VARCHAR });
jt.update("INSERT INTO PERSON(NAME) VALUES(?)", new Object[] { person
.getName() }, new int[] { java.sql.Types.VARCHAR });
}
public void setDs(DataSource ds) {
this.jt = new JdbcTemplate(ds);
}
}
package com.wj.service.impl;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.springframework.jdbc.core.RowMapper;
import com.wj.vo.Person;
public class PersonRowMapper implements RowMapper {
@Override
public Object mapRow(ResultSet rs, int index) throws SQLException {
Person person = new Person();
person.setId(rs.getInt("id"));
person.setName(rs.getString("name"));
return person;
}
}