SQLite数据存储批量添加

public class PhoneDao {

private MySQLiteOpenHelper helper;

public PhoneDao(Context context) {

helper = new MySQLiteOpenHelper(context);

}

/**

* 批量添加数据的方法

*/

public void AllInsert(List<Phone> list) {

SQLiteDatabase db = helper.getWritableDatabase();

String sql = "insert into phone(name,brand,price)values(?,?,?)";

// 根据sql语句得到compileStatement对象

SQLiteStatement statement = db.compileStatement(sql);

// 开启事务

db.beginTransaction();

// 循环执行插入数据操作

for (Phone phone : list) {

statement.bindAllArgsAsStrings(new String[] { phone.getName(),

phone.getBrand(), phone.getPrice() });

statement.executeInsert();

}

//设置事务成功

db.setTransactionSuccessful();

//关闭事务

db.endTransaction();

//关闭数据库

db.close();

}

}

public class StudentDao {

private static final String tabName="student";

private MySQLiteOpenHelper helper;

public StudentDao(Context context){

helper = new MySQLiteOpenHelper(context);

}

/**

* 添加数据

*/

public void insert(Student student){

SQLiteDatabase db = helper.getWritableDatabase();

//设置数据

ContentValues values=new ContentValues();

//组合数据

values.put("name", student.getName());

values.put("age", student.getAge());

values.put("address", student.getAddress());

//执行添加操作

db.insert(tabName, null, values);

Log.i("TAG", "+++++++++++");

db.close();

}

/**

* 删除数据

*/

public void delete(String name){

SQLiteDatabase db = helper.getWritableDatabase();

String[] whereArgs=new String[]{"%"+name+"%"};

db.delete(tabName, "name like ?", whereArgs);

db.close();

}

/**

* 修改数据

*/

public void update(){

SQLiteDatabase db = helper.getWritableDatabase();

ContentValues values=new ContentValues();

values.put("age", "30");

db.update(tabName, values, "name=?", new String[]{"张三"});

db.close();

}

/**

* 查询数据

*/

public List<Student> select(){

List<Student> list=new ArrayList<Student>();

SQLiteDatabase db = helper.getWritableDatabase();

Cursor cursor = db.query(tabName, null, null, null, null, null, null);

if(cursor!=null&&cursor.getCount()>0){

//获取字段索引值

int namecolumnIndex = cursor.getColumnIndex("name");

int agecolumnIndex = cursor.getColumnIndex("age");

int addresscolumnIndex = cursor.getColumnIndex("address");

//通过新的方式

for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {

//获取数据

String name = cursor.getString(namecolumnIndex);

String age = cursor.getString(agecolumnIndex);

String address = cursor.getString(addresscolumnIndex);

Student student=new Student(name,age,address);

list.add(student);

// System.out.println("name="+name+" age="+age+" address="+address);

}

}

Log.i("TAG", "--------------");

cursor.close();

db.close();

return list;

}

}