Spring使用JdbcTemplate操作資料庫

??绔??ユ?锛?http://www.blogjava.net/baoyaer/articles/154080.html

棣???锛???璁懼?涓?SQL琛ㄤ腑???版??username=test1,passwd=test1,address=test1

?

CREATE TABLE `login` (

??`username` varchar(10) default NULL,

??`passwd` varchar(10) default NULL,

??`address` varchar(10) default NULL

) ENGINE=InnoDB DEFAULT CHARSET=gb2312;

?

??缃???浠訛?

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd" >

<beans>

?<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">

?? <property name="driverClassName">

?? ? <value>com.mysql.jdbc.Driver</value>

?? </property>

?? <property name="url">

?? ? <value>jdbc:mysql://localhost:3306/javaee</value>

?? </property>

?? <property name="username">

?? ? <value>root</value>

?? </property>

?? <property name="password">

?? ? <value>1234</value>

?? </property>

?</bean>

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

?? <property name="dataSource">

?? ? <ref local="dataSource"/>

?? </property>

?</bean>

?

<bean id="personDAO" class="SpringJDBCSupport.ReadData.PersonDAO">

??<property name="jdbcTemplate">

?? ?<ref local="jdbcTemplate"/>

??</property>

</bean>?

</beans>

?

?JavaBean:

package SpringJDBCSupport.ReadData;

import com.mysql.jdbc.Driver;

public class Person {

private String name;

private String password;

private String address;

public Person(){

}

public Person(String name,String password,String address){

this.name=name;

this.password=password;

this.address=address;

}

public String getAddress() {

return address;

}

public void setAddress(String address) {

this.address = address;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String toString(){

return this.getName()+"-"+this.getPassword()+"-"+this.getAddress();

}

}

DAO锛?

?朵腑getPersonByRowCallbackHandler?規??規??username?峰?person瀵矽薄

package SpringJDBCSupport.ReadData;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Types;

import java.util.List;

import org.springframework.jdbc.core.BatchPreparedStatementSetter;

import org.springframework.jdbc.core.JdbcTemplate;

import org.springframework.jdbc.core.RowCallbackHandler;

public class PersonDAO {

private JdbcTemplate jdbcTemplate;

public JdbcTemplate getJdbcTemplate() {

return jdbcTemplate;

}

public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {

this.jdbcTemplate = jdbcTemplate;

}

public int insertPersonUseUpdate(Person person){

String sql="insert into login values(?,?,?)";

Object[] params=new Object[]{

person.getName(),

person.getPassword(),

person.getAddress()

};

return this.getJdbcTemplate().update(sql,params);

}

public int insertPersonUseExecute(Person person){

String sql="insert into login values(?,?,?)";

Object[] params=new Object[]{

person.getName(),

person.getPassword(),

person.getAddress()

};

int[] types=new int[]{

Types.VARCHAR,

Types.VARCHAR,

Types.VARCHAR

};

return this.getJdbcTemplate().update(sql,params,types);

}

public int[] updatePersonUseBatchUpdate( final List persons){

String sql="insert into login values(?,?,?)";

BatchPreparedStatementSetter setter=null;

setter=new BatchPreparedStatementSetter(){

public int getBatchSize(){

return persons.size();

}

public void setValues(PreparedStatement ps,int index) throws SQLException{

Person person=(Person)persons.get(index);

ps.setString(1,person.getName());

ps.setString(2,person.getPassword());

ps.setString(3,person.getAddress());

}

};

return this.getJdbcTemplate().batchUpdate(sql,setter);

}

public Person getPersonByRowCallbackHandler(String username){

String sql="select * from login where username=?";

final Person person=new Person();

final Object params[]=new Object[]{username};

this.getJdbcTemplate().query(sql,params,new RowCallbackHandler(){

public void processRow(ResultSet rs)throws SQLException{

person.setName(rs.getString("username"));

person.setPassword(rs.getString("passwd"));

person.setAddress(rs.getString("address"));

}

});

return person;

}

}

娴?璇?浠ｇ??锛?

package SpringJDBCSupport.ReadData;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.xml.XmlBeanFactory;

import org.springframework.core.io.FileSystemResource;

public class TestJDBCTemplate {

public static String filePath="";

public static BeanFactory factory=null;

public static void main(String[] args) {

filePath=System.getProperty("user.dir")+File.separator+"SpringJDBCSupport"+File.separator+"ReadData"+File.separator+"hello.xml";

factory=new XmlBeanFactory(new FileSystemResource(filePath));

PersonDAO personDAO=(PersonDAO)factory.getBean("personDAO");

/*

* ??澶??版??

*/

Person p1=new Person("test1","test1","test1");

Person p2=new Person("test2","test2","test2");

Person p3=new Person("test3","test3","test3");

Person p4=new Person("test4","test4","test4");

Person p5=new Person("test5","test5","test5");

List persons=new ArrayList();

persons.add(p3);

persons.add(p4);

persons.add(p5);

//浣跨??dbcTemplate.update?瑰?

// personDAO.insertPersonUseUpdate(p1);

//浣跨??dbcTemplate.execute?瑰?

// personDAO.insertPersonUseExecute(p2);

// //浣跨??dbcTemplate?瑰????瑰?

// personDAO.updatePersonUseBatchUpdate(persons);

//浣跨??owCallbackHandler?ц?涓?娆℃?ヨ??骞舵????erson淇℃??

System.out.println(personDAO.getPersonByRowCallbackHandler("test1"));

}

}

?

杩?琛?缁???锛?

test1-test1-test1