Dart web app

安装 dart

设置 dart 源

export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

安装

brew install dart-sdk

查看版本

dart --version

查看安装目录

arch -arm64  brew info dart-sdk

安装

  • 安装 webstrom
  • 安装 Dart 插件

项目

创建项目

dart create -t web web_app
  • index.html
<!DOCTYPE html>

<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="scaffolded-by" content="https://github.com/dart-lang/sdk">
    <title>quickstart</title>
    <link rel="stylesheet" href="styles.css">
    <script defer src="main.dart.js"></script>
</head>

<body>

<div id="output"></div>

</body>
</html>
  • main.dart
import 'dart:html';

Iterable<String> thingsTodo() sync* {
  const actions = ['Walk', 'Wash', 'Feed'];
  const pets = ['cats', 'dogs'];

  for (final action in actions) {
    for (final pet in pets) {
      if (pet != 'cats' || action == 'Feed') {
        yield '$action the $pet';
      }
    }
  }
}

LIElement newLI(String itemText) => LIElement()..text = itemText;

void main() {
  querySelector('#output')?.children.addAll(thingsTodo().map(newLI));
}
  • styles.css
@import url(https://fonts.googleapis.com/css?family=Roboto);

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
}

#output {
  padding: 20px;
  text-align: center;
}

启动项目


posted @ 2023-10-13 15:30  vx_guanchaoguo0  阅读(7)  评论(0)  编辑  收藏  举报