Android 在模拟器上显示数据库中提取的信息的列表

db.beginTransaction();// 开始事务

try {

for(int i=0;i< 100;i++){

db.execSQL("insert into person(name,age) values(?,?)",

new Object[] { person.getName(), person.getAge() });

}

db.execSQL("insert into personww(namedd,age) values(?,?)",

new Object[] { person.getName(), person.getAge() });

db.setTransactionSuccessful();

} catch (Exception e) {

//db.endTransaction();// 事务结束;

Log.i("aa","wwwwwwwwwwwwwwwwwwwwwwwww");

}

db.endTransaction();// 事务结束;

Log.i("aa", "55555555555555555555");

}

public void save1(Person person) {

SQLiteDatabase db = databaseHelper.getWritableDatabase();

db.beginTransaction();// 开始事务

Log.i("aa", "uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu");

try {

db.setTransactionSuccessful();

db.execSQL("insert into person(name,age) values('Tom',21)");

} catch (Exception e) {

Log.i("aa", "trttttttttttttttttttttttttttttttttttttttttttttt");

}

db.endTransaction();// 事务结束;

}

public void save2(Person person) {

SQLiteDatabase db = databaseHelper.getWritableDatabase();

db.beginTransaction();// 开始事务

Log.i("aa", "uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu");

try {

db.setTransactionSuccessful();

for(int i=0;i< 100;i++){

db.execSQL("insert into person(name,age) values(?,?)",

new Object[] { person.getName(), person.getAge() });

}

} catch (Exception e) {

Log.i("aa", "trttttttttttttttttttttttttttttttttttttttttttttt");

}

db.endTransaction();// 事务结束;

}

public void update(Person person) {

SQLiteDatabase db = databaseHelper.getWritableDatabase();