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mysql - 异常 : Unsupported operation: RawSocket constructor (Dart with sqljocky5: ^2. 2.1)

转载 作者:行者123 更新时间:2023-11-29 16:14:46 31 4
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我正在尝试将 dart 与 MySQL 数据库连接。我安装了 MySQL 工作台并创建了一个简单的数据库,修改了 pubspec.yaml 并添加了 MySQL 所需的任何其他依赖项。但我一直在浏览器中抛出异常。

EXCEPTION: Unsupported operation: RawSocket constructor STACKTRACE: dart:sdk_internal connect package:sqljocky5/comm/buffered_socket.dart 60:7 defaultSocketFactory package:sqljocky5/comm/buffered_socket.dart 72:20 connect dart:sdk_internal async package:sqljocky5/comm/buffered_socket.dart 70:6 connect package:sqljocky5/comm/comm.dart 163:26 connect dart:sdk_internal async package:sqljocky5/comm/comm.dart 156:53 connect package:sqljocky5/connection/impl.dart 102:22 connect dart:sdk_internal async package:sqljocky5/connection/impl.dart 101:64 connect package:sqljocky5/connection/connection.dart 36:7 connect package:pbcat_form/src/start/start.dart 84:22 main dart:sdk_internal async package:pbcat_form/src/start/start.dart 75:10 main package:angular/src/core/zone/ng_zone.dart 134:16 dart:sdk_internal run package:angular/src/core/zone/ng_zone.dart 131:12 [_run] dart:sdk_internal runGuarded package:angular/src/core/zone/ng_zone.dart 302:22 runGuarded package:angular/src/core/linker/app_view.dart 582:7 package:sqljocky5/comm/buffered_socket.dart 70:6 connect package:sqljocky5/comm/comm.dart 163:26 connect dart:sdk_internal async package:sqljocky5/comm/comm.dart 156:53 connect package:sqljocky5/connection/impl.dart 102:22 connect dart:sdk_internal async package:sqljocky5/connection/impl.dart 101:64 connect package:sqljocky5/connection/connection.dart 36:7 connect package:pbcat_form/src/start/start.dart 84:22 main dart:sdk_internal async package:pbcat_form/src/start/start.dart 75:10 main package:angular/src/core/zone/ng_zone.dart 134:16 dart:sdk_internal run package:angular/src/core/zone/ng_zone.dart 131:12 [_run] dart:sdk_internal runGuarded package:angular/src/core/zone/ng_zone.dart 302:22 runGuarded package:angular/src/core/linker/app_view.dart 582:7

最佳答案

代码似乎是这样做的:-

RawSocket.connect(主机,端口);

但是RawSocket上没有connect方法,参见here

这可能在 Dart 2.2 中发生了变化,例如添加了 get/set RawOption 方法

关于mysql - 异常 : Unsupported operation: RawSocket constructor (Dart with sqljocky5: ^2. 2.1),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54933232/

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