myeclipse10使用spring框架結合jdbc操作數據庫
步驟:
1、引入必要的jar包,使用到了如下的jar包
spring.jar
aspectjrt.jar
aspectjweaver.jar
cglib-nodep-2.1.3.jar
common-annotations.jar
common-logging.jar
common-dbcp.jar
common-pool.jar
mysql-connector-java-5.1.13.jar
2、配置命名空間
<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:aop="http://www.springframework.org/schema/aop"
xmlns:<span style="color:#ff0000;">tx="http://www.springframework.org/schema/tx</span>"
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/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
<span style="color:#ff0000;"> http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd</span>">
3、配置數據源
使用的是從properties讀取屬性,下面藍色部分是引入屬性文件必要的代碼,其中
jdbc.properties是屬性文件的名稱。
<span style="color:#000066;"><context:property-placeholder location="classpath:jdbc.properties"/></span><!-- 屬性佔位,提取配置文件中的值 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${driverClassName}"/>
<property name="url" value="${url}"/>
<property name="username" value="${username}"/>
<property name="password" value="${password}"/>
<!-- 連接池啓動時的初始值 -->
<property name="initialSize" value="${initialSize}"/>
<!-- 連接池的最大值 -->
<property name="maxActive" value="${maxActive}"/>
<!-- 最大空閒值.當經過一個高峯時間後,連接池可以慢慢將已經用不到的連接慢慢釋放一部分,一直減少到maxIdle爲止 -->
<property name="maxIdle" value="${maxIdle}"/>
<!-- 最小空閒值.當空閒的連接數少於閥值時,連接池就會預申請去一些連接,以免洪峯來時來不及申請 -->
<property name="minIdle" value="${minIdle}"/>
</bean>
下面是主要的文件的源代碼:
beans.xml
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<context:property-placeholder location="classpath:jdbc.properties"/><!-- 屬性佔位,提取配置文件中的值 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${driverClassName}"/>
<property name="url" value="${url}"/>
<property name="username" value="${username}"/>
<property name="password" value="${password}"/>
<!-- 連接池啓動時的初始值 -->
<property name="initialSize" value="${initialSize}"/>
<!-- 連接池的最大值 -->
<property name="maxActive" value="${maxActive}"/>
<!-- 最大空閒值.當經過一個高峯時間後,連接池可以慢慢將已經用不到的連接慢慢釋放一部分,一直減少到maxIdle爲止 -->
<property name="maxIdle" value="${maxIdle}"/>
<!-- 最小空閒值.當空閒的連接數少於閥值時,連接池就會預申請去一些連接,以免洪峯來時來不及申請 -->
<property name="minIdle" value="${minIdle}"/>
</bean>
<!-- 配置事務管理器 -->
<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 採用@Transactional註解方式使用事務 -->
<tx:annotation-driven transaction-manager="txManager"/>
<bean id="personService" class="com.gdhdcy.service.impl.PersonServiceBean">
<property name="dataSource" ref="dataSource"></property>
</bean>
</beans>
jdbc.properties文件
driverClassName=org.gjt.mm.mysql.Driver
url=jdbc\:mysql\://localhost\:3306/person?useUnicode\=true&characterEncoding\=UTF-8
username=root
password=root
initialSize=1
maxActive=500
maxIdle=2
minIdle=1
數據庫實現增刪查改的java文件
package com.gdhdcy.service.impl;
import java.util.List;
import javax.sql.DataSource;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.annotation.Transactional;
import com.gdhdcy.bean.Person;
import com.gdhdcy.service.PersonService;
//聲明事務,這樣就會自動的打開事務和關閉事務
@Transactional
public class PersonServiceBean implements PersonService {
private JdbcTemplate jdbcTemplate;
public void setDataSource(DataSource dataSource) {
this.jdbcTemplate = new JdbcTemplate(dataSource);
}
public void delete(Integer personid) {
jdbcTemplate.update("delete from person where id=?", new Object[]{personid},
new int[]{java.sql.Types.INTEGER});
}
public Person getPerson(Integer personid) {
return (Person)jdbcTemplate.queryForObject("select * from person where id=?", new Object[]{personid},
new int[]{java.sql.Types.INTEGER}, new PersonRowMapper());
}
@SuppressWarnings("unchecked")
public List<Person> getPersons() {
return (List<Person>)jdbcTemplate.query("select * from person", new PersonRowMapper());
}
public void save(Person person) {
jdbcTemplate.update("insert into person(name) values(?)", new Object[]{person.getName()},
new int[]{java.sql.Types.VARCHAR});
System.out.println("保存成功");
}
public void update(Person person) {
jdbcTemplate.update("update person set name=? where id=?", new Object[]{person.getName(), person.getId()},
new int[]{java.sql.Types.VARCHAR, java.sql.Types.INTEGER});
}
}
下面是完整源代碼下載鏈接
http://pan.baidu.com/s/1ntG6T3z
下載文件直接導入到您的myeclipse,然後建立mysql的數據庫(數據庫文件也在代碼文件夾中)。