package com.example.test_ormlite;
import com.j256.ormlite.field.DatabaseField;  public class Person {  public static final String ID = "person_id";  public static final String Name = "person_name";  public static final String Info = "persin_info";  @DatabaseField(useGetSet = true , columnName = ID , generatedId = true)  private int id;  @DatabaseField(useGetSet = true , columnName = Name)  private String name;  @DatabaseField(useGetSet = true , columnName = Info)  private String info;  //必须提供一个无参数的构造函数，这个不能少  public Person() {}  //自定义构造函数  public Person( String name , String info) {  //super();  this.name = name;  this.info = info;  }  @Override  //方便输出查看  public String toString() {  return "id:" + id + " ,name:" + name + " ,info:" + info;  }  //get，set方法不能漏 之前就是漏了 结果报错无法运行  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 getInfo() {  return info;  }  public void setInfo(String info) {  this.info = info;  }  }

package com.example.test_ormlite;  import java.io.IOException;
import java.sql.SQLException;  import com.j256.ormlite.android.apptools.OrmLiteConfigUtil;  public class MyConfigUtil extends OrmLiteConfigUtil {  public static final Class<?>[] classes = new Class[]{ Person.class };  public static void main(String[] args) throws SQLException,IOException {  writeConfigFile("my_ormlite_config.txt",classes);  }  }

package com.example.test_ormlite;  import java.sql.SQLException;  import android.R.integer;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;  import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.dao.RuntimeExceptionDao;
import com.j256.ormlite.support.ConnectionSource;
import com.j256.ormlite.table.TableUtils;  public class MyDatabaseHelper extends OrmLiteSqliteOpenHelper {  public static final String DATABASE_NAME = "mydatabase.db";  public static final int DATABASE_VERSION = 1;  private Dao<Person,Integer> personDao = null;  private RuntimeExceptionDao<Person, Integer> personRuntimeDao = null;  public MyDatabaseHelper(Context context) {  //加载数据库 和  表的配置文件  super(context, DATABASE_NAME,  null , R.raw.my_ormlite_config);  }  @Override  public void onCreate(SQLiteDatabase db, ConnectionSource con) {  try {  //创建表  TableUtils.createTable(con, Person.class);  } catch (SQLException e) {  // TODO Auto-generated catch block  e.printStackTrace();  }  }  @Override  public void onUpgrade(SQLiteDatabase db, ConnectionSource con, int oldVersion,  int newVersion) {  try {  //删除表  TableUtils.dropTable(con, Person.class, true);  //重建表  TableUtils.createTable(con, Person.class);  } catch (SQLException e) {  // TODO Auto-generated catch block  e.printStackTrace();  }  }  //person类的DAO  public Dao<Person, Integer> getDao() throws SQLException {  if( personDao == null )  {  personDao = getDao(Person.class);  }  return personDao;   }  //person类的RuntimeDao  public RuntimeExceptionDao<Person, Integer> getPersonRuntimeExceptionDao() {  if( personRuntimeDao == null )  {  personRuntimeDao = getRuntimeExceptionDao(Person.class);  }  return personRuntimeDao;  }  }

package com.example.test_ormlite;  import java.util.List;  import com.j256.ormlite.android.apptools.OpenHelperManager;
import com.j256.ormlite.dao.RuntimeExceptionDao;  import android.os.Bundle;
import android.app.Activity;
import android.database.DatabaseUtils;
import android.util.Log;
import android.view.Menu;  public class MainActivity extends Activity {  MyDatabaseHelper myDbHelper = null;  @Override  protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  doSomeTestWithOrmlite();  }  private void doSomeTestWithOrmlite() {  //建立databaseHelper  myDbHelper = OpenHelperManager.getHelper(this,MyDatabaseHelper.class);  //用databaseHelper 建立 dao  RuntimeExceptionDao<Person, Integer> personDao = myDbHelper.getPersonRuntimeExceptionDao();  //插入三条数据  personDao.create(new Person("姓名1","猜猜他是谁") );  personDao.create(new Person("姓名2","猜猜他是谁") );  personDao.create(new Person("姓名s","猜猜他是谁") );  //输出全部数据  List<Person>  list_person = personDao.queryForAll();  Log.d( "mytag", list_person.toString() );  //释放helper  OpenHelperManager.releaseHelper();  }  @Override  public boolean onCreateOptionsMenu(Menu menu) {  // Inflate the menu; this adds items to the action bar if it is present.  getMenuInflater().inflate(R.menu.main, menu);  return true;  }  }