Cursor cursor = db.query("imformation_tb", new String[]{"name","age","weight"}, null, null, null, null, null); //利用游标遍历所有数据对象
while(cursor.moveToNext()){
@SuppressLint("Range") String name = cursor.getString(cursor.getColumnIndex("name"));
@SuppressLint("Range") int age = cursor.getInt(cursor.getColumnIndex("age"));
@SuppressLint("Range") int weight=cursor.getInt(cursor.getColumnIndex("weight"));
Log.i("Mainactivity","result: id=" + id +" username: " + name +" age:" + age); }
是因为select那填null的原因吗?