public void change(View view){
StudentOpenHelper studentOpenHelper=new StudentOpenHelper(this);
SQLiteDatabase sqLiteDatabase=studentOpenHelper.getWritableDatabase();
sqLiteDatabase.beginTransaction();
try{
sqLiteDatabase.execSQL("update money set account=account+1000 where name='张三'");
sqLiteDatabase.execSQL("update money set account=account-1000 where name='李四'");
sqLiteDatabase.setTransactionSuccessful();
}catch (Exception e){
sqLiteDatabase.endTransaction();
}
sqLiteDatabase.close();
}
安卓开发-事务管理
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