有一个数据表的页面在Flutter 动，我想放大和缩小这个表格或页面用两个手指.有谁能提供解决方案吗？ 我在这里的主要目标只是放大和缩小.有没有小工具可以实现这一点？我找不到办法，我能做什么？你能帮帮我吗？
我已经在下面指定了我的所有表代码.您可以查看并了解详细信息 here are my codes个
ListView(children: <Widget>[
SizedBox(
width: double.infinity,
child: Padding(
padding: EdgeInsets.fromLTRB(size.width * 0.03,
size.width * 0.1, size.width * 0.03, size.width * 0.00),
child: TextField(
cursorColor: BaseData.vadenHomeSiyah,
controller: txtPaletNo,
// focusNode: unitCodeCtrlFocusNode,
textAlign: TextAlign.center,
decoration: InputDecoration(
focusedBorder: OutlineInputBorder(
borderSide: const BorderSide(
color: Color.fromARGB(255, 0, 0, 0), width: 2.0),
borderRadius: BorderRadius.circular(25.0),
),
border: UnderlineInputBorder(),
labelText: 'Palet No',
labelStyle: TextStyle(
color: Colors.black, fontSize: size.width * 0.05),
filled: true,
isDense: true,
fillColor: Colors.white.withOpacity(0.2)),
//işlemler
onSubmitted: (value) {
setState(() {
paletRaporYuklendimi = true;
});
seciliPaletRaporGetir();
},
onChanged: (text) {},
),
// TextField(
// controller: searchController,
// decoration: const InputDecoration(
// hintText: 'Ara...',
// border: OutlineInputBorder(),
// ),
// onChanged: _onSearchTextChanged,
// ),
),
),
Padding(
padding: EdgeInsets.fromLTRB(size.width * 0.00,
size.width * 0.08, size.width * 0.00, size.width * 0.00),
child: SizedBox(
width: MediaQuery.of(context).size.width,
child: FittedBox(
child: paletRaporYuklendimi
? Center(
child: Padding(
padding: EdgeInsets.all(size.width * 0.2),
child: const CircularProgressIndicator(
color: Colors.black,
),
),
)
: DataTable(
dataRowHeight: size.width * 0.4,
columns: const <DataColumn>[
DataColumn(
label: Text(
'Palet No',
style: TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
),
),
DataColumn(
label: Text(
'Paket No',
style: TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
),
),
DataColumn(
label: Text(
'Tarih',
style: TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
),
),
DataColumn(
label: Text(
'Hareket Tip',
style: TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
),
),
DataColumn(
label: Text(
'Hücre Kodu',
style: TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
),
),
DataColumn(
label: Text(
'Hareket Turu',
style: TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
),
),
DataColumn(
label: Text(
'Cari Isim',
style: TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
),
),
],
rows: List.generate(filterList.length, (index) {
final item = filterList[index];
return DataRow(
cells: [
DataCell(Text(
item.PALETNO ?? "",
style: const TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
)),
DataCell(Text(
item.PAKETNO.toString(),
style: const TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
)),
DataCell(Text(
item.TARIH ?? "",
style: const TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
)),
DataCell(item.HAREKETTIPI == "G"
? Text(
item.HAREKETTIPI ?? "",
style: const TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30,
color: Colors.green),
)
: Text(
item.HAREKETTIPI ?? "",
style: const TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30,
color: Colors.red),
)),
DataCell(Text(
item.HUCREKODU ?? "",
style: const TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
)),
DataCell(Text(
item.HAREKETTURU ?? "",
style: const TextStyle(
fontWeight: FontWeight.w900,
fontSize: 30),
)),
DataCell(Text(
item.CARIISIM ?? "",
style: const TextStyle(
fontWeight: FontWeight.w900,`your text`
fontSize: 30),
)),
],
);
}),
),
),
),
),
if (filterList.length > 0)
Padding(
padding: EdgeInsets.all(size.width * 0.03),
child: Text(
"Listelenen Kayıt Sayısı: " +
filterList.length.toString(),
textAlign: TextAlign.right,style: TextStyle(color: Colors.green,fontWeight: FontWeight.bold),
),
)
else
Text("")
]),