From a6725218d0a23786e98bb06e4b956ead66e59834 Mon Sep 17 00:00:00 2001
From: cocoli_bk <cocoli_bk@devide>
Date: Thu, 29 Aug 2024 14:55:24 +0800
Subject: [PATCH] Thu Aug 29 14:55:24 CST 2024 inscode

---
 package.json                   |  2 +
 src/App.vue                    | 37 ++++-----------
 src/components/HelloWorld.vue  | 43 -----------------
 src/components/TheWelcome.vue  | 84 ---------------------------------
 src/components/WelcomeItem.vue | 86 ----------------------------------
 src/components/textScroll.vue  | 85 +++++++++++++++++++++++++++++++++
 6 files changed, 95 insertions(+), 242 deletions(-)
 delete mode 100644 src/components/HelloWorld.vue
 delete mode 100644 src/components/TheWelcome.vue
 delete mode 100644 src/components/WelcomeItem.vue
 create mode 100644 src/components/textScroll.vue

diff --git a/package.json b/package.json
index ee9648b..0c31520 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,8 @@
   },
   "dependencies": {
     "guess": "^1.0.2",
+    "less": "^4.2.0",
+    "less-loader": "^12.2.0",
     "vue": "^3.2.37"
   },
   "devDependencies": {
diff --git a/src/App.vue b/src/App.vue
index 633a5df..89e355a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,6 +1,7 @@
 <script setup>
-import HelloWorld from './components/HelloWorld.vue'
-import TheWelcome from './components/TheWelcome.vue'
+import {ref} from 'vue'
+import textScroll from './components/textScroll.vue'
+const title = ref('我是很长的标题，可以滚动的标题！我是很长的标题，可以滚动的标题')
 </script>
 
 <template>
@@ -8,40 +9,18 @@ import TheWelcome from './components/TheWelcome.vue'
     <img alt="Vue logo" class="logo" src="./assets/logo.svg" width="125" height="125" />
 
     <div class="wrapper">
-      <HelloWorld msg="You did it!" />
+      <textScroll :parWidth="300" :text="title" :parColor="'#fff'"></textScroll>
     </div>
   </header>
-
-  <main>
-    <TheWelcome />
-  </main>
 </template>
 
 <style scoped>
-header {
-  line-height: 1.5;
-}
-
-.logo {
-  display: block;
-  margin: 0 auto 2rem;
-}
-
-@media (min-width: 1024px) {
-  header {
-    display: flex;
-    place-items: center;
-    padding-right: calc(var(--section-gap) / 2);
-  }
-
-  .logo {
-    margin: 0 2rem 0 0;
-  }
-
   header .wrapper {
     display: flex;
-    place-items: flex-start;
-    flex-wrap: wrap;
+    justify-content: center;
   }
+.logo {
+  display: block;
+  margin: 0 auto 2rem;
 }
 </style>
diff --git a/src/components/HelloWorld.vue b/src/components/HelloWorld.vue
deleted file mode 100644
index 1b8faac..0000000
--- a/src/components/HelloWorld.vue
+++ /dev/null
@@ -1,43 +0,0 @@
-<script setup>
-defineProps({
-  msg: {
-    type: String,
-    required: true
-  }
-})
-</script>
-
-<template>
-  <div class="greetings">
-    <h1 class="green">{{ msg }}</h1>
-    <h3>
-      You’ve successfully created a project with
-      <a target="_blank" href="https://vitejs.dev/">Vite</a> +
-      <a target="_blank" href="https://vuejs.org/">Vue 3</a>.
-    </h3>
-  </div>
-</template>
-
-<style scoped>
-h1 {
-  font-weight: 500;
-  font-size: 2.6rem;
-  top: -10px;
-}
-
-h3 {
-  font-size: 1.2rem;
-}
-
-.greetings h1,
-.greetings h3 {
-  text-align: center;
-}
-
-@media (min-width: 1024px) {
-  .greetings h1,
-  .greetings h3 {
-    text-align: left;
-  }
-}
-</style>
diff --git a/src/components/TheWelcome.vue b/src/components/TheWelcome.vue
deleted file mode 100644
index d3d2e7a..0000000
--- a/src/components/TheWelcome.vue
+++ /dev/null
@@ -1,84 +0,0 @@
-<script setup>
-import WelcomeItem from './WelcomeItem.vue'
-import DocumentationIcon from './icons/IconDocumentation.vue'
-import ToolingIcon from './icons/IconTooling.vue'
-import EcosystemIcon from './icons/IconEcosystem.vue'
-import CommunityIcon from './icons/IconCommunity.vue'
-import SupportIcon from './icons/IconSupport.vue'
-</script>
-
-<template>
-  <WelcomeItem>
-    <template #icon>
-      <DocumentationIcon />
-    </template>
-    <template #heading>Documentation</template>
-
-    Vue’s
-    <a target="_blank" href="https://vuejs.org/">official documentation</a>
-    provides you with all information you need to get started.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <ToolingIcon />
-    </template>
-    <template #heading>Tooling</template>
-
-    This project is served and bundled with
-    <a href="https://vitejs.dev/guide/features.html" target="_blank">Vite</a>. The recommended IDE
-    setup is <a href="https://code.visualstudio.com/" target="_blank">VSCode</a> +
-    <a href="https://github.com/johnsoncodehk/volar" target="_blank">Volar</a>. If you need to test
-    your components and web pages, check out
-    <a href="https://www.cypress.io/" target="_blank">Cypress</a> and
-    <a href="https://on.cypress.io/component" target="_blank"
-      >Cypress Component Testing</a
-    >.
-
-    <br />
-
-    More instructions are available in <code>README.md</code>.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <EcosystemIcon />
-    </template>
-    <template #heading>Ecosystem</template>
-
-    Get official tools and libraries for your project:
-    <a target="_blank" href="https://pinia.vuejs.org/">Pinia</a>,
-    <a target="_blank" href="https://router.vuejs.org/">Vue Router</a>,
-    <a target="_blank" href="https://test-utils.vuejs.org/">Vue Test Utils</a>, and
-    <a target="_blank" href="https://github.com/vuejs/devtools">Vue Dev Tools</a>. If you need more
-    resources, we suggest paying
-    <a target="_blank" href="https://github.com/vuejs/awesome-vue">Awesome Vue</a>
-    a visit.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <CommunityIcon />
-    </template>
-    <template #heading>Community</template>
-
-    Got stuck? Ask your question on
-    <a target="_blank" href="https://chat.vuejs.org">Vue Land</a>, our official Discord server, or
-    <a target="_blank" href="https://stackoverflow.com/questions/tagged/vue.js">StackOverflow</a>.
-    You should also subscribe to
-    <a target="_blank" href="https://news.vuejs.org">our mailing list</a> and follow the official
-    <a target="_blank" href="https://twitter.com/vuejs">@vuejs</a>
-    twitter account for latest news in the Vue world.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <SupportIcon />
-    </template>
-    <template #heading>Support Vue</template>
-
-    As an independent project, Vue relies on community backing for its sustainability. You can help
-    us by
-    <a target="_blank" href="https://vuejs.org/sponsor/">becoming a sponsor</a>.
-  </WelcomeItem>
-</template>
diff --git a/src/components/WelcomeItem.vue b/src/components/WelcomeItem.vue
deleted file mode 100644
index ba0def3..0000000
--- a/src/components/WelcomeItem.vue
+++ /dev/null
@@ -1,86 +0,0 @@
-<template>
-  <div class="item">
-    <i>
-      <slot name="icon"></slot>
-    </i>
-    <div class="details">
-      <h3>
-        <slot name="heading"></slot>
-      </h3>
-      <slot></slot>
-    </div>
-  </div>
-</template>
-
-<style scoped>
-.item {
-  margin-top: 2rem;
-  display: flex;
-}
-
-.details {
-  flex: 1;
-  margin-left: 1rem;
-}
-
-i {
-  display: flex;
-  place-items: center;
-  place-content: center;
-  width: 32px;
-  height: 32px;
-
-  color: var(--color-text);
-}
-
-h3 {
-  font-size: 1.2rem;
-  font-weight: 500;
-  margin-bottom: 0.4rem;
-  color: var(--color-heading);
-}
-
-@media (min-width: 1024px) {
-  .item {
-    margin-top: 0;
-    padding: 0.4rem 0 1rem calc(var(--section-gap) / 2);
-  }
-
-  i {
-    top: calc(50% - 25px);
-    left: -26px;
-    position: absolute;
-    border: 1px solid var(--color-border);
-    background: var(--color-background);
-    border-radius: 8px;
-    width: 50px;
-    height: 50px;
-  }
-
-  .item:before {
-    content: ' ';
-    border-left: 1px solid var(--color-border);
-    position: absolute;
-    left: 0;
-    bottom: calc(50% + 25px);
-    height: calc(50% - 25px);
-  }
-
-  .item:after {
-    content: ' ';
-    border-left: 1px solid var(--color-border);
-    position: absolute;
-    left: 0;
-    top: calc(50% + 25px);
-    height: calc(50% - 25px);
-  }
-
-  .item:first-of-type:before {
-    display: none;
-  }
-
-  .item:last-of-type:after {
-    display: none;
-  }
-}
-</style>
diff --git a/src/components/textScroll.vue b/src/components/textScroll.vue
new file mode 100644
index 0000000..a78e1d9
--- /dev/null
+++ b/src/components/textScroll.vue
@@ -0,0 +1,85 @@
+<template>
+    <div class="marquee-wrap" :style="{width:`${parWidth}px`}">
+        <!-- 滚动内容 -->
+        <div class="scroll">
+            <p class="marquee Bold_14_body" :style="{color: parColor}">{{ text }}</p>
+            <!-- 文字副本 -->
+            <p class="copy" :style="{color: parColor}"></p>
+        </div>
+        <!-- 为了计算总文本宽度，通过css在页面中隐藏 -->
+        <p class="getWidth">{{ text }}</p>
+    </div>
+</template>
+
+<script setup>
+import { defineProps, onMounted, onUnmounted, ref, watchEffect } from 'vue'
+const props = defineProps({ text: {type: String, default:''}, parWidth: [String, Number], parColor: {type: String, default: '#333'} })
+const timer = ref(null)
+
+watchEffect(() => {
+    console.log('watchEffect', props)
+})
+
+onMounted(() => {
+    const move = () => {
+        let maxWidth = document.querySelector('.marquee-wrap').clientWidth
+        // 获取文字text 的计算后宽度 （由于overflow的存在，直接获取不到，需要独立的node计算）
+        let width = document.querySelector('.getWidth').scrollWidth
+        // 如果文本内容的宽度小于页面宽度，则表示文字小于等于一行，则不需要滚动
+        if (width <= maxWidth) return
+        let scroll = document.querySelector('.scroll')
+        let copy = document.querySelector('.copy')
+        copy.innerText = props.text // 文字副本填充
+        let distance = 0 // 位移距离
+        // 设置位移
+        timer.value = setInterval(() => {
+            distance -= 1
+            // 如果位移超过文字宽度，则回到起点
+            if (-distance >= width) {
+                distance = 16 // 距离必须与marquee的margin宽度相同
+            }
+            scroll.style.transform = 'translateX(' + distance + 'px)'
+        }, 20)
+    }
+    const time2 = setTimeout(() => {
+        move()
+        clearTimeout(time2)
+    }, 1000)
+})
+onUnmounted(() => {
+    clearInterval(timer.value)
+})
+</script>
+<style scoped lang="less">
+    .marquee-wrap {
+        width: 100%;
+        height: 100%;
+        overflow: hidden;
+        position: relative;
+
+        .scroll {
+            display: flex;
+            align-items: center;
+            height: 100%;
+
+            p {
+                word-break: keep-all; // 不换行
+                white-space: nowrap;
+
+                /* 设置前后间隔 */
+                &.marquee {
+                    margin-right: 16px;
+                }
+            }
+        }
+
+        /* 仅为了获取宽度，故隐藏掉 */
+        .getWidth {
+            word-break: keep-all; // 不换行
+            white-space: nowrap;
+            position: absolute;
+            opacity: 0;
+            top: 0;
+        }
+    }
+</style>
\ No newline at end of file
-- 
GitLab