ORMLite是一个轻量级对象关系映射持久层框架。ORMLite支持MySQL、Postgres、Microsoft SQL Server、H2、Derby、HSQLDB和Sqlite。提供灵活的QueryBuilder来构建复杂的查询。强大的抽象DAO类，让你的数据库读写类只需5行代码。能够自动生成SQL来创建和删除数据库表格。

package com.jiepu;

import com.j256.ormlite.field.DatabaseField;

import com.j256.ormlite.table.DatabaseTable;

@DatabaseTable(tableName = "CellPhone")

public class CellPhone {

@DatabaseField(generatedId = true)

private int id;

@DatabaseField

private String name;

@DatabaseField

private String company;

public CellPhone() {

}

public CellPhone(int id, String name, String company) {

super();

this.id = id;

this.name = name;

this.company = company;

}

public int getId() {

return id;

}

public void setId(int id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getCompany() {

return company;

}

public void setCompany(String company) {

this.company = company;

}

@Override

public String toString() {

return "*******" + name + " " + company + "*******";

}

}

package com.jiepu;

import java.sql.SQLException;

import java.util.List;

import com.j256.ormlite.dao.BaseDaoImpl;

import com.j256.ormlite.dao.Dao;

import com.j256.ormlite.dao.DaoManager;

import com.j256.ormlite.support.ConnectionSource;

import com.j256.ormlite.table.TableUtils;

public class CellPhoneDao extends BaseDaoImpl implements

CellPhoneDaoInterface {

Dao accountDao;

public CellPhoneDao(ConnectionSource connectionSource) throws SQLException {

super(connectionSource, CellPhone.class);

}

public void performDBOperations(ConnectionSource connectionSource)

throws SQLException {

accountDao = DaoManager.createDao(connectionSource, CellPhone.class);

// create table

TableUtils.createTableIfNotExists(connectionSource, CellPhone.class);

CellPhone cp = new CellPhone();

cp.setName("N 95");

cp.setCompany("Nokia");

CellPhone cp1 = new CellPhone();

cp1.setName("N 96");

cp1.setCompany("android ");

CellPhone cp3 = new CellPhone();

cp3.setName("N 96");

cp3.setCompany("from 中国 ");

// save objects to DB

accountDao.create(cp);

accountDao.create(cp1);

accountDao.create(cp3);

// retrieve all objects from DB

List list = accountDao.queryForAll();

System.out.println("*******List of objects saved in DB*******");

for (CellPhone cellPhone : list) {

System.out.println(cellPhone);

}

}

}

package com.jiepu;

import com.j256.ormlite.dao.Dao;

public interface CellPhoneDaoInterface extends Dao {

}

package com.jiepu;

import java.sql.SQLException;

import com.j256.ormlite.jdbc.JdbcConnectionSource;

import com.j256.ormlite.support.ConnectionSource;

public class CellPhoneDemo {

public static void main(String[] args) {

//testSqlite("jdbc:sqlite:data.db");

//TestMySql("jdbc:mysql://localhost/itcast");

//testDerby("jdbc:derby:ormlitederby;create=true");

testSqlServer2008("jdbc:jtds:sqlserver://10.0.0.111/java");

}

private static void testSqlServer2008(String databaseUrl) {

ConnectionSource connectionSource;

try {

connectionSource = new JdbcConnectionSource(databaseUrl);

((JdbcConnectionSource) connectionSource).setUsername("sa");

((JdbcConnectionSource) connectionSource)

.setPassword("xxx");

CellPhoneDao cd = new CellPhoneDao(connectionSource);

cd.performDBOperations(connectionSource);

} catch (SQLException e) {

e.printStackTrace();

}

}

private static void testDerby(String databaseUrl) {

ConnectionSource connectionSource;

try {

connectionSource = new JdbcConnectionSource(databaseUrl);

((JdbcConnectionSource) connectionSource).setUsername("root");

((JdbcConnectionSource) connectionSource)

.setPassword("xxx");

CellPhoneDao cd = new CellPhoneDao(connectionSource);

cd.performDBOperations(connectionSource);

} catch (SQLException e) {

e.printStackTrace();

}

}

//记得先要下载相应的jdbc jar包

private static void TestMySql(String databaseUrl) {

ConnectionSource connectionSource;

try {

connectionSource = new JdbcConnectionSource(databaseUrl);

((JdbcConnectionSource) connectionSource).setUsername("root");

((JdbcConnectionSource) connectionSource)

.setPassword("xxx");

CellPhoneDao cd = new CellPhoneDao(connectionSource);

cd.performDBOperations(connectionSource);

} catch (SQLException e) {

e.printStackTrace();

}

}

private static void testSqlite(String databaseUrl) {

// String connectionString = "jdbc:sqlite:data.db";

// String databaseUrl = "jdbc:mysql://localhost/itcast";

ConnectionSource connectionSource;

try {

connectionSource = new JdbcConnectionSource(databaseUrl);

((JdbcConnectionSource) connectionSource).setUsername("root");

((JdbcConnectionSource) connectionSource)

.setPassword("xxx");

CellPhoneDao cd = new CellPhoneDao(connectionSource);

cd.performDBOperations(connectionSource);

} catch (SQLException e) {

e.printStackTrace();

}

}

}

demo源码下载：