Component Party 中文版

<script setup>
import { ref } from "vue";
const name = ref("张三");
</script>

<template>
  <h1>你好 {{ name }}</h1>
</template>

<h1>你好 ${name}</h1>

<script setup>
import { ref } from "vue";
const name = ref("张三");
name.value = "李四";
</script>

<template>
  <h1>你好 {{ name }}</h1>
</template>

<h1>你好 ${name}</h1>

<script setup>
import { ref, computed } from "vue";
const count = ref(10);
const doubleCount = computed(() => count.value * 2);
</script>

<template>
  <div>{{ doubleCount }}</div>
</template>

<div>${doubleCount}</div>

<template>
  <h1>你好，世界</h1>
</template>

<h1>你好，世界</h1>

<template>
  <h1 class="title">我是红色的</h1>
  <button style="font-size: 10rem">我是一个按钮</button>
</template>

<style scoped>
.title {
  color: red;
}
</style>

.title {
  color: red;
}

<script setup>
const colors = ["红", "绿", "蓝"];
</script>

<template>
  <ul>
    <li v-for="color in colors" :key="color">
      {{ color }}
    </li>
  </ul>
</template>

<ul>
  <li repeat.for="color of colors">${color}</li>
</ul>

<script setup>
import { ref } from "vue";
const count = ref(0);

function incrementCount() {
  count.value++;
}
</script>

<template>
  <p>计数器: {{ count }}</p>
  <button @click="incrementCount">+1</button>
</template>

<p>计数器: ${count}</p>
<button click.trigger="incrementCount">+1</button>

<script setup>
import { useTemplateRef, onMounted } from "vue";

const inputElement = useTemplateRef("inputElement");

onMounted(() => {
  inputElement.value.focus();
});
</script>

<template>
  <input ref="inputElement" />
</template>

<input ref="inputElement" />

<script setup>
import { ref, computed } from "vue";
const TRAFFIC_LIGHTS = ["红灯", "黄灯", "绿灯"];
const lightIndex = ref(0);

const light = computed(() => TRAFFIC_LIGHTS[lightIndex.value]);

function nextLight() {
  lightIndex.value = (lightIndex.value + 1) % TRAFFIC_LIGHTS.length;
}
</script>

<template>
  <button @click="nextLight">下一个灯</button>
  <p>现在亮着的是: {{ light }}</p>
  <p>
    你应该
    <span v-if="light === '红灯'">停下</span>
    <span v-else-if="light === '黄灯'">慢行</span>
    <span v-else-if="light === '绿灯'">赶紧走</span>
  </p>
</template>

<button click.trigger="nextLight()">下一个灯</button>
<p>现在亮着的是: ${light}</p>
<p switch.bind="light">
  你应该
  <span case="红灯">停下</span>
  <span case="黄灯">慢行</span>
  <span case="绿灯">赶紧走</span>
</p>

<script setup>
import { ref, onMounted } from "vue";
const pageTitle = ref("");
onMounted(() => {
  pageTitle.value = document.title;
});
</script>

<template>
  <p>页面标题: {{ pageTitle }}</p>
</template>

<p>页面标题: ${pageTitle}</p>

<script setup>
import { ref, onUnmounted } from "vue";

const time = ref(new Date().toLocaleTimeString());

const timer = setInterval(() => {
  time.value = new Date().toLocaleTimeString();
}, 1000);

onUnmounted(() => {
  clearInterval(timer);
});
</script>

<template>
  <p>当前时间: {{ time }}</p>
</template>

<p>当前时间: ${time}</p>

<script setup>
import UserProfile from "./UserProfile.vue";
</script>

<template>
  <UserProfile
    name="张三"
    :age="20"
    :favourite-colors="['green', 'blue', 'red']"
    is-available
  />
</template>

<user-profile
  name.bind
  age.bind
  favourite-colors.bind="colors"
  is-available.bind="available"
></user-profile>

<script setup>
import { ref } from "vue";
import AnswerButton from "./AnswerButton.vue";

let isHappy = ref(true);

function onAnswerNo() {
  isHappy.value = false;
}

function onAnswerYes() {
  isHappy.value = true;
}
</script>

<template>
  <p>你快乐吗?</p>
  <AnswerButton @yes="onAnswerYes" @no="onAnswerNo" />
  <p style="font-size: 50px">
    {{ isHappy ? "😀" : "😥" }}
  </p>
</template>

<p>你快乐吗?</p>
<answer-button action-handler.bind="handleAnswer"></answer-button>
<p style="font-size: 50px">${isHappy ? "😀" : "😥"}</p>

<script setup>
import FunnyButton from "./FunnyButton.vue";
</script>

<template>
  <FunnyButton> 点我! </FunnyButton>
</template>

<funny-button>点我!</funny-button>

<script setup>
import FunnyButton from "./FunnyButton.vue";
</script>

<template>
  <FunnyButton />
  <FunnyButton> 这是传到slot的内容! </FunnyButton>
</template>

<funny-button></funny-button>
<funny-button>这是传到slot的内容!</funny-button>

<script setup>
import { ref, provide } from "vue";
import UserProfile from "./UserProfile.vue";

const user = ref({
  id: 1,
  username: "abcdefg",
  email: "[email protected]",
});

function updateUsername(username) {
  user.value.username = username;
}

provide("user", { user, updateUsername });
</script>

<template>
  <h1>欢迎回来, {{ user.username }}</h1>
  <UserProfile />
</template>

<h1>欢迎回来, {{ user.username }}</h1>
<user-profile />

<script setup>
import { ref } from "vue";
const text = ref("你好世界");
</script>

<template>
  <p>{{ text }}</p>
  <input v-model="text" />
</template>

<p>${text}</p>
<input value.bind />

<script setup>
import { ref } from "vue";

const isAvailable = ref(true);
</script>

<template>
  <input id="is-available" v-model="isAvailable" type="checkbox" />
  <label for="is-available">这是一个checkbox</label>
</template>

<input id="is-available" type="checkbox" checked.bind="isAvailable" />
<label for="is-available">这是一个checkbox</label>: ${isAvailable}

<script setup>
import { ref } from "vue";

const picked = ref("red");
</script>

<template>
  <div>你选择了: {{ picked }}</div>

  <input id="blue-pill" v-model="picked" type="radio" value="blue" />
  <label for="blue-pill">蓝色</label>

  <input id="red-pill" v-model="picked" type="radio" value="red" />
  <label for="red-pill">红色</label>
</template>

<div>你选择了: ${picked}</div>

<input id="blue-pill" checked.bind="picked" type="radio" value="blue" />
<label for="blue-pill">蓝色</label>

<input id="red-pill" checked.bind="picked" type="radio" value="red" />
<label for="red-pill">红色</label>

<script setup>
import { ref } from "vue";

const selectedColorId = ref(2);

const colors = [
  { id: 1, text: "红" },
  { id: 2, text: "蓝" },
  { id: 3, text: "绿" },
  { id: 4, text: "灰", isDisabled: true },
];
</script>

<template>
  <select v-model="selectedColorId">
    <option
      v-for="color in colors"
      :key="color.id"
      :value="color.id"
      :disabled="color.isDisabled"
    >
      {{ color.text }}
    </option>
  </select>
</template>

<select value.bind="selectedColorId">
  <option value="">选择一个颜色</option>
  <option
    repeat.for="color of colors"
    value.bind="color.id"
    disabled.bind="color.isDisabled"
  >
    ${color.text}
  </option>
</select>

<!doctype html>
<html>
  <body>
    <div id="app"></div>
    <script type="module" src="./main.js"></script>
  </body>
</html>

<!doctype html>
<html>
  <head>
    <script type="module" src="./main.ts"></script>
  </head>

  <body>
    <app></app>
  </body>
</html>

<script setup>
import useFetchUsers from "./useFetchUsers";

const { isLoading, error, data: users } = useFetchUsers();
</script>

<template>
  <p v-if="isLoading">正在获取用户信息……</p>
  <p v-else-if="error">获取用户信息出错</p>
  <ul v-else-if="users">
    <li v-for="user in users" :key="user.login.uuid">
      <img :src="user.picture.thumbnail" alt="user" />
      <p>
        {{ user.name.first }}
        {{ user.name.last }}
      </p>
    </li>
  </ul>
</template>

<template promise.bind="useFetchUsers.fetchData()">
  <p pending>正在获取用户信息……</p>
  <p catch>获取用户信息出错</p>
  <ul then.from-view="users">
    <li repeat.for="user of users">
      <img src.bind="user.picture.thumbnail" alt="user" />
      <p>${ user.name.first } ${ user.name.last }</p>
    </li>
  </ul>
</template>