初始化

lib/widgets/base/button/index.dart

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+import 'package:app/core/theme/theme.dart';
+import 'package:flutter/material.dart';
+
+import '../config/config.dart';
+
+class Button extends StatelessWidget {
+  final double? width;
+  final double? height;
+  final Widget child;
+  final ThemeType type;
+  final BorderRadius radius;
+  final VoidCallback? onPressed;
+  final bool loading;
+  final bool disabled;
+  final Widget? icon;
+
+  const Button({
+    super.key,
+    this.icon,
+    this.width,
+    this.height,
+    this.radius = const BorderRadius.all(Radius.circular(80)),
+    required this.child,
+    this.onPressed,
+    this.type = ThemeType.primary,
+    this.loading = false,
+    this.disabled = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final bgDecoration = switch (type) {
+      ThemeType.primary => BoxDecoration(color: Theme.of(context).primaryColor),
+      ThemeType.success => BoxDecoration(color: context.success),
+      ThemeType.danger => BoxDecoration(color: context.danger),
+      ThemeType.warning => BoxDecoration(color: context.warning),
+      ThemeType.info => BoxDecoration(color: context.info),
+    };
+
+    return Opacity(
+      opacity: disabled || loading ? 0.5 : 1,
+      child: Container(
+        width: width,
+        height: height,
+        decoration: bgDecoration.copyWith(borderRadius: radius),
+        child: Material(
+          type: MaterialType.transparency, // 让波纹依附在上层容器
+          child: InkWell(
+            borderRadius: radius,
+            onTap: disabled || loading ? null : onPressed,
+            splashColor: Colors.white.withValues(alpha: 0.2),
+            highlightColor: Colors.white.withValues(alpha: 0.2),
+            child: Padding(
+              padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 7),
+              child: DefaultTextStyle(
+                style: Theme.of(context).textTheme.bodySmall!.copyWith(
+                  color: Colors.white
+                ),
+                textAlign: TextAlign.center,
+                child: Row(
+                  spacing: 10,
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    if (loading)
+                      const SizedBox(
+                        width: 15,
+                        height: 15,
+                        child: CircularProgressIndicator(
+                          strokeWidth: 2,
+                          valueColor: AlwaysStoppedAnimation(Colors.white),
+                        ),
+                      ),
+                    child,
+                  ],
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/widgets/base/config/color.dart

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+import 'package:flutter/material.dart';
+
+import 'config.dart';
+
+class ColorResolver {
+  final Color bg;
+  final Color font;
+  final Color border;
+
+  ColorResolver(this.bg, this.font, this.border);
+}
+
+///返回颜色
+ColorResolver resolveEffectColors(Color color, Effect effect) => switch (effect) {
+  Effect.dark => ColorResolver(color, Colors.white, color),
+  Effect.light => () {
+    final pale = color.withValues(alpha: 0.2);
+    return ColorResolver(pale, color, pale);
+  }(), // 注意这里多了 ()，表示立即调用
+  Effect.plain => ColorResolver(Colors.white, color, color),
+};

lib/widgets/base/config/config.dart

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+///主题风格
+enum Effect {
+  dark,
+  light,
+  plain,
+}
+
+///主题类型
+enum ThemeType {
+  primary,
+  success,
+  warning,
+  danger,
+  info,
+}

lib/widgets/base/empty/index.dart

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+import 'package:flutter/material.dart';
+
+enum EmptyType {
+  data,
+}
+
+class Empty extends StatelessWidget {
+  final EmptyType type;
+  final String? text;
+  final Widget? child;
+
+  const Empty({
+    super.key,
+    this.type = EmptyType.data,
+    this.text,
+    this.child,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    var emptyImg = switch (type) {
+      EmptyType.data => Image.asset('assets/image/empty_data.png'),
+    };
+    var emptyText = switch (type) {
+      EmptyType.data => '暂无数据',
+    };
+    return Container(
+      padding: EdgeInsets.all(0),
+      child: Column(
+        children: [
+          FractionallySizedBox(
+            widthFactor: 0.5,
+            child: Container(
+              margin: EdgeInsets.only(bottom: 15),
+              child: emptyImg,
+            ),
+          ),
+          Text(
+            text ?? emptyText,
+            style: Theme.of(context).textTheme.labelLarge,
+            textAlign: TextAlign.center,
+          ),
+          child != null
+              ? Container(
+                  margin: EdgeInsets.only(top: 15),
+                  child: child,
+                )
+              : SizedBox(),
+        ],
+      ),
+    );
+  }
+}

lib/widgets/base/tag/index.dart

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+import 'package:app/core/theme/base/app_theme_ext.dart';
+import 'package:app/widgets/base/config/color.dart';
+import 'package:flutter/material.dart';
+
+import '../config/config.dart';
+
+class Tag extends StatelessWidget {
+  final String text;
+  final Color? color;
+  final ThemeType type;
+  final Effect effect;
+  final EdgeInsets padding;
+
+  const Tag({
+    super.key,
+    required this.text,
+    this.color,
+    this.type = ThemeType.primary,
+    this.effect = Effect.dark,
+    this.padding = const EdgeInsets.symmetric(vertical: 3, horizontal: 6),
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    ///颜色
+    var baseColor = switch (type) {
+      ThemeType.primary => Theme.of(context).primaryColor,
+      ThemeType.success => context.success,
+      ThemeType.warning => context.warning,
+      ThemeType.danger => context.danger,
+      ThemeType.info => Color(0xFF8F9298),
+    };
+    if (color != null) {
+      baseColor = color!;
+    }
+
+    ColorResolver colorResolver = resolveEffectColors(baseColor, effect);
+
+    return Container(
+      padding: padding,
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(5),
+        color: colorResolver.bg,
+        border: Border.all(
+          color: colorResolver.border,
+          width: 1,
+        ),
+      ),
+      child: Text(
+        text,
+        style: TextStyle(
+          color: colorResolver.font,
+          fontSize: 12,
+        ),
+      ),
+    );
+  }
+}

lib/widgets/version/check_version_update.dart

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+import 'package:app/core/config/global.dart';
+import 'package:app/core/event/event_bus.dart';
+import 'package:app/core/event/global_event.dart';
+import 'package:app/core/utils/system.dart';
+import 'package:app/data/api/common_api.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+
+///检查版本更新
+void checkUpdate() async {
+  PackageInfo packageInfo = await PackageInfo.fromPlatform();
+  var versionRes = await getAppVersionApi(isIos: !isAndroid());
+  //判断版本是不是小于最低版本，如果不是，不弹更新
+  bool isMin = _compareVersions(packageInfo.version, versionRes.lowVersion) == -1;
+  if (!isMin) {
+    return;
+  }
+  Future.delayed(const Duration(seconds: 2), () async {
+    EventBus().publish(VersionUpdateEvent(versionRes));
+  });
+}
+
+///比较版本号
+/// 1:表示当前版本号比传入的版本号高
+/// -1：表示当前版本号比传入的版本号低
+/// 0 表示版本号相同
+int _compareVersions(String version1, String version2) {
+  List<String> v1Parts = version1.split('.');
+  List<String> v2Parts = version2.split('.');
+  int length = v1Parts.length > v2Parts.length ? v1Parts.length : v2Parts.length;
+
+  for (int i = 0; i < length; i++) {
+    int v1Part = i < v1Parts.length ? int.tryParse(v1Parts[i]) ?? 0 : 0;
+    int v2Part = i < v2Parts.length ? int.tryParse(v2Parts[i]) ?? 0 : 0;
+
+    if (v1Part > v2Part) return 1;
+    if (v1Part < v2Part) return -1;
+  }
+  return 0;
+}

lib/widgets/version/version_ui.dart

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+import 'package:app/core/utils/system.dart';
+import 'package:app/core/utils/transfer/download.dart';
+import 'package:app/data/models/common/version_dto.dart';
+import 'package:app_installer/app_installer.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'package:url_launcher/url_launcher.dart';
+import '../base/button/index.dart';
+import '../base/config/config.dart';
+import '../base/tag/index.dart';
+
+
+void showUpdateDialog(BuildContext context, VersionDto data){
+  //如果是最新版本
+  showGeneralDialog(
+    context: context,
+    barrierDismissible: false,
+    barrierLabel: "Update",
+    transitionDuration: const Duration(milliseconds: 300),
+    pageBuilder: (context, animation, secondaryAnimation) {
+      return PopScope(
+        canPop: false,
+        child: AppUpdateUi(
+          version: data.latestVersion,
+          updateNotice: data.updateContent,
+          uploadUrl: data.downloadUrl,
+        ),
+      );
+    },
+  );
+}
+
+///下载状态枚举
+enum UploadState {
+  notStarted, //未开始下载
+  downloading, //下载中
+  completed, //下载完毕
+}
+
+class AppUpdateUi extends StatefulWidget {
+  final String version;
+  final List<String> updateNotice;
+  final String uploadUrl; //下载地址
+
+  const AppUpdateUi({
+    super.key,
+    required this.version,
+    required this.updateNotice,
+    required this.uploadUrl,
+  });
+
+  @override
+  State<AppUpdateUi> createState() => _UpdateUiState();
+}
+
+class _UpdateUiState extends State<AppUpdateUi> {
+  int _uploadProgress = 0; //下载进度
+  UploadState _uploadState = UploadState.notStarted;
+
+  @override
+  void initState() {
+    super.initState();
+    getLocalApk();
+  }
+
+  ///读取本地是否有下载记录
+  void getLocalApk() async {
+    String url = await LocalDownload.getFilePath(url: widget.uploadUrl, path: '/apk');
+    if (url.isNotEmpty) {
+      setState(() {
+        _uploadState = UploadState.completed;
+      });
+    }
+  }
+
+  ///下载apk
+  void _handUploadApk() async {
+    //如果是ios
+    if(!isAndroid()){
+      _launchAppStore();
+      return;
+    }
+    if (_uploadState == UploadState.notStarted) {
+      setState(() {
+        _uploadState = UploadState.downloading;
+      });
+      LocalDownload.downLoadFile(
+        url: widget.uploadUrl,
+        path: "/apk",
+        onProgress: (double double) {
+          setState(() {
+            _uploadProgress = double.toInt();
+          });
+        },
+        onDone: (apk) async {
+          setState(() {
+            _uploadState = UploadState.completed;
+          });
+          AppInstaller.installApk(apk);
+        },
+      );
+    } else if (_uploadState == UploadState.completed) {
+      String url = await LocalDownload.getFilePath(url: widget.uploadUrl, path: '/apk');
+      AppInstaller.installApk(url);
+    }
+  }
+  ///跳转到appstore商店
+  void _launchAppStore() async{
+    final appStoreUrl = Uri.parse('itms-apps://itunes.apple.com/app/6757746410');
+    if (await canLaunchUrl(appStoreUrl)) {
+      print("qq");
+      await launchUrl(appStoreUrl);
+    } else {
+      EasyLoading.showToast("无法打开App Store");
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    String text;
+    if (_uploadState == UploadState.downloading) {
+      text = "$_uploadProgress%";
+    } else if (_uploadState == UploadState.completed) {
+      text = '安装';
+    } else {
+      text = '立即升级';
+    }
+    return IntrinsicHeight(
+      child: Container(
+        color: Colors.transparent,
+        padding: EdgeInsets.symmetric(horizontal: 40),
+        alignment: Alignment.center,
+        child: ConstrainedBox(
+          constraints: BoxConstraints(
+            maxWidth: 500,
+          ),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              Stack(
+                fit: StackFit.passthrough,
+                children: [
+                  Image.asset("assets/image/version_bg.png"),
+                  Positioned(
+                    top: 0,
+                    left: 0,
+                    right: 0,
+                    bottom: 0,
+                    child: DefaultTextStyle(
+                      style: TextStyle(
+                        fontSize: 16,
+                        color: Colors.white,
+                        fontWeight: FontWeight.w700,
+                      ),
+                      child: FractionalTranslation(
+                        translation: Offset(0.35, 0.3),
+                        child: Row(
+                          mainAxisAlignment: MainAxisAlignment.start,
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text("发现新版本"),
+                            SizedBox(width: 10),
+                            Tag(
+                              text: "V ${widget.version}",
+                              type: ThemeType.warning,
+                            ),
+                          ],
+                        ),
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+              Material(
+                borderRadius: BorderRadius.only(
+                  bottomLeft: Radius.circular(20),
+                  bottomRight: Radius.circular(20),
+                ),
+                child: Container(
+                  padding: EdgeInsets.all(15),
+                  width: double.infinity,
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      ...widget.updateNotice.asMap().entries.map((entry) {
+                        final index = entry.key;
+                        final item = entry.value;
+                        return Padding(
+                          padding: const EdgeInsets.symmetric(vertical: 5),
+                          child: Text("${index + 1}.$item"),
+                        );
+                      }),
+                      Container(
+                        margin: EdgeInsets.only(top: 20),
+                        height: 40,
+                        child: Button(
+                          onPressed: _uploadState == UploadState.downloading
+                              ? null
+                              : _handUploadApk,
+                          child: Text(text),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}