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import 'dart:io';
import 'package:clx_flutter_net/clx_flutter_net.dart';
import 'package:clx_flutter_util/clx_flutter_util.dart';
import 'package:flutter/material.dart';
const spProxyIp = "proxyIP"; // ip
const spProxyPort = "proxyPort"; // port
const spSwitchProxy = "switchProxy"; // 开关代理
bool setProxyFlag = false; // 设置代理标识 true 设置 false 不设置
/// dio 设置代理uri
void setProxyUri(Dio? dio, bool isProdEnv) {
setProxyFlag = !isProdEnv; //生产环境不设置代理
if (!setProxyFlag) return;
String? proxyIP = SpUtil.getString(spProxyIp);
String? proxyPort = SpUtil.getString(spProxyPort);
(dio?.httpClientAdapter as IOHttpClientAdapter?)?.createHttpClient = () {
HttpClient client = HttpClient();
// 是否设置代理：非生产环境，开启代理后，设置代理
bool isSetProxy = setProxyFlag &&
proxyIP != null &&
proxyIP.isNotEmpty &&
proxyPort != null &&
proxyPort.isNotEmpty &&
SpUtil.getBool(spSwitchProxy) == true;
if (isSetProxy) {
client.findProxy = (uri) => "PROXY $proxyIP:$proxyPort";
client.badCertificateCallback =
(X509Certificate cert, String host, int port) => true;
}
return client;
};
}
/// 设置代理widget
setProxyWidget(context) {
return (!setProxyFlag)
? Container()
: InkWell(
onTap: () => setProxyDialog(context),
child: Container(
height: 50.0,
padding: const EdgeInsets.only(left: 15.0, right: 15.0),
color: Colors.white,
margin: const EdgeInsets.only(top: 1.0),
child: const Row(
children: <Widget>[
Expanded(
child: Text("设置代理", style: TextStyle(fontSize: 15.0)),
),
Icon(Icons.arrow_forward_ios, color: Colors.grey, size: 16.0)
],
),
),
);
}
var ipController = TextEditingController();
var portController = TextEditingController();
/// 设置代理dialog
setProxyDialog(context) {
ipController.text = SpUtil.getString(spProxyIp) ?? "";
portController.text = SpUtil.getString(spProxyPort) ?? "";
showDialog(
context: context,
builder: (BuildContext context) {
return SimpleDialog(
title: const Text("设置代理", textAlign: TextAlign.center),
children: [
_textFieldItem(title: "IP地址:", controller: ipController),
_textFieldItem(title: "端\t\t\t\t口:", controller: portController),
Row(
children: [
const SizedBox(width: 20.0),
const Text("开启代理："),
const Spacer(),
Builder(builder: (context) {
return Switch(
activeColor: Colors.blue,
activeTrackColor: Colors.grey,
inactiveThumbColor: Colors.blue,
inactiveTrackColor: Colors.grey,
value: SpUtil.getBool(spSwitchProxy) ?? false,
onChanged: (bool value) {
SpUtil.putBool(spSwitchProxy, value);
(context as Element).markNeedsBuild();
});
}),
const SizedBox(width: 20.0),
],
),
InkWell(
onTap: () {
if (!_checkInfo()) {
return;
}
SpUtil.putString(
spProxyIp, ipController.value.text.toString().trim());
SpUtil.putString(
spProxyPort, portController.value.text.toString().trim());
exit(0);
},
child: Container(
margin: const EdgeInsets.only(
left: 30.0, right: 30.0, top: 30.0, bottom: 15.0),
padding: const EdgeInsets.symmetric(vertical: 12.0),
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.circular(50.0),
),
alignment: Alignment.center,
child: const Text("确定", style: TextStyle(color: Colors.white)),
),
)
],
);
},
);
}
///校验信息
bool _checkInfo() {
String ip = ipController.value.text.toString().trim();
String port = portController.value.text.toString().trim();
bool setProxy = SpUtil.getBool(spSwitchProxy) ?? false;
if (!setProxy) return true;
if (ip.isEmpty) {
ToastUtil.showToast("请输入ip地址");
return false;
}
if (port.isEmpty) {
ToastUtil.showToast("请输入端口号");
return false;
}
return true;
}
/// ip、端口 输入框
Widget _textFieldItem({title, controller}) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 20.0),
margin: const EdgeInsets.symmetric(horizontal: 20.0, vertical: 10.0),
decoration: BoxDecoration(
border: Border.all(color: Colors.grey.shade300),
),
child: Row(
children: <Widget>[
Text(title, style: const TextStyle(fontSize: 15.0)),
Expanded(
child: Padding(
padding: const EdgeInsets.only(left: 5.0),
child: TextField(
maxLines: 1,
controller: controller,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(
counterText: "",
border: InputBorder.none, //去掉下划线
),
),
),
),
],
),
);
}