Language samples Language tour Library tour Hello World Variables Control flow statements Functions Comments Imports Classes Inheritance Mixins Interfaces and abstract ...

开发插件 一个简单的闹钟 API 准备工作 添加 JavaScript 层的实现 Dart 层逻辑的实现 完成插件的注册 开发插件 一个简单的闹钟 API 查看项目源代码：https://github.com/openkraken/samples/tree/main/plugins/my_kraken_plugin 接下来通过一个简单的...

Dart by Example: Async / Await Dart by Example: Async / Await import 'dart:async' ; const Duration delay = const Duration ( milliseconds : 200 ); // This fu...

Dart by Example: List Dart by Example: List main () { // Specifying the length creates a fixed-length list. var list = new List ( 3 ); list [ 0 ] = ...

语言 重要概念 语言 本章主要介绍 Dart 语言的基础知识，包括但不限于：变量、函数、类、泛型、库、异步及并发等。 重要概念 在开始之前，先了解几个 Dart 的重要概念 Dart 中“万物皆对象”，数字、函数甚至null 也是对象 Dart 支持顶层变量和函数，Dart 文件执行的入口是顶层的main 函数 Dart 的可见性控制是库...

Dart by Example: Generators Dart by Example: Generators main () { evenNumbersDownFrom ( 7 ). forEach ( print ); } // sync* functions return an iterable Iterable <...

dartfmt dartfmt Use the dartfmt command to replace the whitespace in your program with formatting that follows Dart guidelines . This is the same formatting that you can get w...

Using libraries Specifying a library prefix Importing only part of a library Lazily loading a library Using libraries Use import to specify how a namespace from one library...