6、第一次想用
cnpm install
无果，报错，说没有package.json，罢
npminstall WARN package.json not exists: /Users/ivyone/hami99/package.json
7、又想用
vue start
也无果，报“
Unknown command start.”错误
8、搜了一下，终于看到是
vue create package
了，
终于报成功了
success Saved lockfile.
8、下次不要再忘了哦，
但愿。
记录全部
ivyone@ivyonedeMacBook-Pro hami99 % cnpm install
npminstall WARN package.json not exists: /Users/ivyone/hami99/package.json
✔ Installed 0 packages
✔ Linked 0 latest versions
✔ Run 0 scripts
✔ All packages installed (used 6ms(network 4ms), speed 0B/s, json 0(0B), tarball 0B)
ivyone@ivyonedeMacBook-Pro hami99 % vue start
Usage: vue <command> [options]
Options:
-V, --version output the version number
-h, --help output usage information
Commands:
create [options] <app-name> create a new project powered by vue-cli-service
add [options] <plugin> [pluginOptions] install a plugin and invoke its generator in an already created project
invoke [options] <plugin> [pluginOptions] invoke the generator of a plugin in an already created project
inspect [options] [paths...] inspect the webpack config in a project with vue-cli-service
serve [options] [entry] serve a .js or .vue file in development mode with zero config
build [options] [entry] build a .js or .vue file in production mode with zero config
ui [options] start and open the vue-cli ui
init [options] <template> <app-name> generate a project from a remote template (legacy API, requires @vue/cli-init)
config [options] [value] inspect and modify the config
outdated [options] (experimental) check for outdated vue cli service / plugins
upgrade [options] [plugin-name] (experimental) upgrade vue cli service / plugins
migrate [options] [plugin-name] (experimental) run migrator for an already-installed cli plugin
info print debugging information about your environment
Run vue <command> --help for detailed usage of given command.
Unknown command start.
ivyone@ivyonedeMacBook-Pro hami99 % vue create stawb
Vue CLI v4.5.11
? Please pick a preset: Default (Vue 3 Preview) ([Vue 3] babel, eslint)
Vue CLI v4.5.11
✨ Creating project in /Users/ivyone/hami99/stawb.
🗃 Initializing git repository...
⚙️ Installing CLI plugins. This might take a while...
yarn install v1.22.10
info No lockfile found.
[1/4] 🔍 Resolving packages...
success Saved lockfile.
✨ Done in 22.64s.
🚀 Invoking generators...
📦 Installing additional dependencies...
yarn install v1.22.10
[1/4] 🔍 Resolving packages...
[2/4] 🚚 Fetching packages...
[3/4] 🔗 Linking dependencies...
[4/4] 🔨 Building fresh packages...
success Saved lockfile.
✨ Done in 7.18s.
⚓ Running completion hooks...
📄 Generating README.md...
🎉 Successfully created project stawb.
👉 Get started with the following commands:
$ cd stawb
$ yarn serve
ivyone@ivyonedeMacBook-Pro hami99 %
ivyone@ivyonedeMacBook-Pro hami99 % cd stawb
ivyone@ivyonedeMacBook-Pro stawb % cnpm run serve
记录一下三个文件
html
<!DOCTYPE html>
<html lang="">
<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">
<link rel="icon" href="<%= BASE_URL %>favicon.ico">
<title><%= htmlWebpackPlugin.options.title %></title>
</head>
<body>
<noscript>
<strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
</noscript>
<div id="app"></div>
<!-- built files will be auto injected -->
</body>
</html>
组件里的helloworld.vue
<template>
<div class="hello">
<h1>{{ msg }}</h1>
<p>
For a guide and recipes on how to configure / customize this project,<br>
check out the
<a href="https://cli.vuejs.org" target="_blank" rel="noopener">vue-cli documentation</a>.
</p>
<h3>Installed CLI Plugins</h3>
<ul>
<li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-babel" target="_blank" rel="noopener">babel</a></li>
<li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-eslint" target="_blank" rel="noopener">eslint</a></li>
</ul>
<h3>Essential Links</h3>
<ul>
<li><a href="https://vuejs.org" target="_blank" rel="noopener">Core Docs</a></li>
<li><a href="https://forum.vuejs.org" target="_blank" rel="noopener">Forum</a></li>
<li><a href="https://chat.vuejs.org" target="_blank" rel="noopener">Community Chat</a></li>
<li><a href="https://twitter.com/vuejs" target="_blank" rel="noopener">Twitter</a></li>
<li><a href="https://news.vuejs.org" target="_blank" rel="noopener">News</a></li>
</ul>
<h3>Ecosystem</h3>
<ul>
<li><a href="https://router.vuejs.org" target="_blank" rel="noopener">vue-router</a></li>
<li><a href="https://vuex.vuejs.org" target="_blank" rel="noopener">vuex</a></li>
<li><a href="https://github.com/vuejs/vue-devtools#vue-devtools" target="_blank" rel="noopener">vue-devtools</a></li>
<li><a href="https://vue-loader.vuejs.org" target="_blank" rel="noopener">vue-loader</a></li>
<li><a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">awesome-vue</a></li>
</ul>
</div>
</template>
<script>
export default {
name: 'HelloWorld',
props: {
msg: String
}
}
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h3 {
margin: 40px 0 0;
}
ul {
list-style-type: none;
padding: 0;
}
li {
display: inline-block;
margin: 0 10px;
}
a {
color: #42b983;
}
</style>
根目录下的
app.vue
<template>
<img alt="Vue logo" src="./assets/logo.png">
<HelloWorld msg="Welcome to Your Vue.js App"/>
</template>
<script>
import HelloWorld from './components/HelloWorld.vue'
export default {
name: 'App',
components: {
HelloWorld
}
}
</script>
<style>
#app {
font-family: Avenir, Helvetica, Arial, sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
text-align: center;
color: #2c3e50;
margin-top: 60px;
}
</style>
src下的main.js
import { createApp } from 'vue'
import App from './App.vue'
createApp(App).mount('#app')
src文件夹里除了组建，还有asset，里头装pnglogo等。
