初始化

2026-09-15 15:44:13 +07:00
commit a23ba685e9
1065 changed files with 101122 additions and 0 deletions
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+import 'package:dio/dio.dart';
+
+import '../../hj_utils/text_util.dart';
+
+/// 取消token管理
+class CancelTokenManager {
+  static CancelTokenManager? _instance;
+  //取消token单例
+  factory CancelTokenManager() {
+    _instance ??= CancelTokenManager._();
+    return _instance!;
+  }
+  CancelTokenManager._();
+
+  /// 取消token列表
+  final List<CancelTokenWarp> _cancelTokens = [];
+
+  /// 创建cancleToken如果需要
+  /// [url]
+  CancelToken createToken(String url, [String uniquekey='']) {
+    var ctw = CancelTokenWarp(url, CancelToken())..uniqueKey = uniquekey;
+    _cancelTokens.add(ctw);
+    return ctw.token;
+  }
+
+  /// 获取cancleToken如果需要
+  /// [url]
+  CancelToken? getToken(String url, [String uniquekey = '']) {
+    // indexWhere 找不到返回 -1，避免 firstWhere 无 orElse 时抛 StateError
+    final idx = _cancelTokens.indexWhere((it) =>
+        TextUtil.isEmpty(uniquekey) ? it.url == url : (it.url == url && it.uniqueKey == uniquekey));
+    return idx < 0 ? null : _cancelTokens[idx].token;
+  }
+
+  List<CancelTokenWarp> get peekList => _cancelTokens;
+
+  /// 删除
+  /// [url]
+  CancelToken? remove(String url, [String uniquekey = '']) {
+    // indexWhere 找不到返回 -1，避免 firstWhere 无 orElse 时抛 StateError
+    final idx = _cancelTokens.indexWhere((it) =>
+        TextUtil.isEmpty(uniquekey) ? it.url == url : (it.url == url && it.uniqueKey == uniquekey));
+    if (idx < 0) return null;
+    return _cancelTokens.removeAt(idx).token;
+  }
+
+  /// 正在请求的长度
+  int get length => _cancelTokens.length;
+}
+
+class CancelTokenWarp {
+  String url;
+  CancelToken token;
+  String? uniqueKey;
+  CancelTokenWarp(this.url, this.token);
+}