/** 将Province实例存储到数据库。 */
public void saveProvince(Province province) {
if (province != null) {
ContentValues values = new ContentValues();
values.put("province_name", province.getProvinceName());
values.put("province_code", province.getProvinceCode());
db.insert("Province", null, values);
}
}
/** 从数据库读取全国所有的省份信息。 */
public List<Province> loadProvinces() {
List<Province> list = new ArrayList<Province>();
Cursor cursor = db.query("Province", null, null, null, null, null, null);
if (cursor.moveToFirst()) {
do {
Province province = new Province();
province.setId(cursor.getInt(cursor.getColumnIndex("id")));
province.setProvinceName(cursor.getString(cursor.getColumnIndex("province_name")));
province.setProvinceCode(cursor.getString(cursor.getColumnIndex("province_code")));
list.add(province);
} while (cursor.moveToNext());
}
return list;
}