{"id":1931,"date":"2025-02-15T16:24:05","date_gmt":"2025-02-15T08:24:05","guid":{"rendered":"https:\/\/www.fanyamin.com\/wordpress\/?p=1931"},"modified":"2025-02-15T16:24:05","modified_gmt":"2025-02-15T08:24:05","slug":"vue-js-%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.fanyamin.com\/wordpress\/?p=1931","title":{"rendered":"Vue.js \u793a\u4f8b"},"content":{"rendered":"<h3>1. <strong>\u8ba1\u6570\u5668\u7ec4\u4ef6<\/strong>\uff08\u57fa\u7840\u54cd\u5e94\u5f0f\uff09<\/h3>\n<pre><code class=\"language-vue\">&lt;template&gt;\n  &lt;div&gt;\n    &lt;p&gt;Count: {{ count }}&lt;\/p&gt;\n    &lt;button @click=&quot;increment&quot;&gt;+1&lt;\/button&gt;\n    &lt;button @click=&quot;reset&quot;&gt;Reset&lt;\/button&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n\n&lt;script setup&gt;\nimport { ref } from &#039;vue&#039;;\n\n\/\/ \u54cd\u5e94\u5f0f\u53d8\u91cf\nconst count = ref(0);\n\n\/\/ \u65b9\u6cd5\nconst increment = () =&gt; count.value++;\nconst reset = () =&gt; count.value = 0;\n&lt;\/script&gt;<\/code><\/pre>\n<p><strong>\u6838\u5fc3\u6982\u5ff5<\/strong>\uff1a  <\/p>\n<ul>\n<li><code>ref<\/code> \u521b\u5efa\u54cd\u5e94\u5f0f\u53d8\u91cf  <\/li>\n<li><code>@click<\/code> \u4e8b\u4ef6\u7ed1\u5b9a  <\/li>\n<li>\u6a21\u677f\u4e2d\u76f4\u63a5\u4f7f\u7528\u53d8\u91cf  <\/li>\n<\/ul>\n<hr \/>\n<h3>2. <strong>Todo List<\/strong>\uff08\u5217\u8868\u6e32\u67d3 &amp; \u8868\u5355\u7ed1\u5b9a\uff09<\/h3>\n<pre><code class=\"language-vue\">&lt;template&gt;\n  &lt;div&gt;\n    &lt;input v-model=&quot;newTodo&quot; @keyup.enter=&quot;addTodo&quot; placeholder=&quot;Add a task&quot;&gt;\n    &lt;ul&gt;\n      &lt;li v-for=&quot;(todo, index) in todos&quot; :key=&quot;index&quot;&gt;\n        {{ todo.text }}\n        &lt;button @click=&quot;removeTodo(index)&quot;&gt;\u00d7&lt;\/button&gt;\n      &lt;\/li&gt;\n    &lt;\/ul&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n\n&lt;script setup&gt;\nimport { ref } from &#039;vue&#039;;\n\nconst todos = ref([{ text: &#039;Learn Vue&#039; }]);\nconst newTodo = ref(&#039;&#039;);\n\nconst addTodo = () =&gt; {\n  if (newTodo.value.trim()) {\n    todos.value.push({ text: newTodo.value });\n    newTodo.value = &#039;&#039;;\n  }\n};\n\nconst removeTodo = (index) =&gt; {\n  todos.value.splice(index, 1);\n};\n&lt;\/script&gt;<\/code><\/pre>\n<p><strong>\u6838\u5fc3\u6982\u5ff5<\/strong>\uff1a  <\/p>\n<ul>\n<li><code>v-model<\/code> \u53cc\u5411\u7ed1\u5b9a\u8868\u5355\u8f93\u5165  <\/li>\n<li><code>v-for<\/code> \u5217\u8868\u6e32\u67d3  <\/li>\n<li>\u6570\u7ec4\u64cd\u4f5c\uff08push\/splice\uff09  <\/li>\n<\/ul>\n<hr \/>\n<h3>3. <strong>\u7236\u5b50\u7ec4\u4ef6\u901a\u4fe1<\/strong>\uff08Props &amp; Emit\uff09<\/h3>\n<pre><code class=\"language-vue\">&lt;!-- ParentComponent.vue --&gt;\n&lt;template&gt;\n  &lt;ChildComponent \n    :message=&quot;parentMessage&quot; \n    @update-message=&quot;handleUpdate&quot;\n  \/&gt;\n&lt;\/template&gt;\n\n&lt;script setup&gt;\nimport { ref } from &#039;vue&#039;;\nimport ChildComponent from &#039;.\/ChildComponent.vue&#039;;\n\nconst parentMessage = ref(&#039;Hello from parent&#039;);\nconst handleUpdate = (newMsg) =&gt; {\n  parentMessage.value = newMsg;\n};\n&lt;\/script&gt;\n\n&lt;!-- ChildComponent.vue --&gt;\n&lt;template&gt;\n  &lt;div&gt;\n    &lt;p&gt;{{ message }}&lt;\/p&gt;\n    &lt;button @click=&quot;sendMessage&quot;&gt;Change Message&lt;\/button&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n\n&lt;script setup&gt;\nconst props = defineProps([&#039;message&#039;]);\nconst emit = defineEmits([&#039;update-message&#039;]);\n\nconst sendMessage = () =&gt; {\n  emit(&#039;update-message&#039;, &#039;New message from child&#039;);\n};\n&lt;\/script&gt;<\/code><\/pre>\n<p><strong>\u6838\u5fc3\u6982\u5ff5<\/strong>\uff1a  <\/p>\n<ul>\n<li><code>defineProps<\/code> \u63a5\u6536\u7236\u7ec4\u4ef6\u6570\u636e  <\/li>\n<li><code>defineEmits<\/code> \u5b9a\u4e49\u81ea\u5b9a\u4e49\u4e8b\u4ef6  <\/li>\n<li>\u7236\u5b50\u7ec4\u4ef6\u6570\u636e\u6d41  <\/li>\n<\/ul>\n<hr \/>\n<h3>4. <strong>API \u6570\u636e\u8bf7\u6c42<\/strong>\uff08axios \u96c6\u6210\uff09<\/h3>\n<pre><code class=\"language-vue\">&lt;template&gt;\n  &lt;div v-if=&quot;loading&quot;&gt;Loading...&lt;\/div&gt;\n  &lt;div v-else&gt;\n    &lt;ul&gt;\n      &lt;li v-for=&quot;user in users&quot; :key=&quot;user.id&quot;&gt;{{ user.name }}&lt;\/li&gt;\n    &lt;\/ul&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n\n&lt;script setup&gt;\nimport { ref, onMounted } from &#039;vue&#039;;\nimport axios from &#039;axios&#039;;\n\nconst users = ref([]);\nconst loading = ref(true);\n\nonMounted(async () =&gt; {\n  try {\n    const response = await axios.get(&#039;https:\/\/jsonplaceholder.typicode.com\/users&#039;);\n    users.value = response.data;\n  } catch (error) {\n    console.error(&#039;API Error:&#039;, error);\n  } finally {\n    loading.value = false;\n  }\n});\n&lt;\/script&gt;<\/code><\/pre>\n<p><strong>\u6838\u5fc3\u6982\u5ff5<\/strong>\uff1a  <\/p>\n<ul>\n<li><code>onMounted<\/code> \u751f\u547d\u5468\u671f\u94a9\u5b50  <\/li>\n<li>\u5f02\u6b65\u6570\u636e\u8bf7\u6c42  <\/li>\n<li>\u6761\u4ef6\u6e32\u67d3\uff08v-if \/ v-else\uff09  <\/li>\n<\/ul>\n<hr \/>\n<h3>5. <strong>\u8ba1\u7b97\u5c5e\u6027<\/strong>\uff08\u52a8\u6001\u8fc7\u6ee4\uff09<\/h3>\n<pre><code class=\"language-vue\">&lt;template&gt;\n  &lt;input v-model=&quot;searchText&quot; placeholder=&quot;Search...&quot;&gt;\n  &lt;ul&gt;\n    &lt;li v-for=&quot;item in filteredItems&quot; :key=&quot;item&quot;&gt;{{ item }}&lt;\/li&gt;\n  &lt;\/ul&gt;\n&lt;\/template&gt;\n\n&lt;script setup&gt;\nimport { ref, computed } from &#039;vue&#039;;\n\nconst items = ref([&#039;Apple&#039;, &#039;Banana&#039;, &#039;Orange&#039;, &#039;Grape&#039;]);\nconst searchText = ref(&#039;&#039;);\n\nconst filteredItems = computed(() =&gt; {\n  return items.value.filter(item =&gt; \n    item.toLowerCase().includes(searchText.value.toLowerCase())\n  );\n});\n&lt;\/script&gt;<\/code><\/pre>\n<p><strong>\u6838\u5fc3\u6982\u5ff5<\/strong>\uff1a  <\/p>\n<ul>\n<li><code>computed<\/code> \u8ba1\u7b97\u5c5e\u6027  <\/li>\n<li>\u5b9e\u65f6\u8fc7\u6ee4\u903b\u8f91  <\/li>\n<\/ul>\n<hr \/>\n<h3>6. <strong>\u7ec4\u4ef6\u72b6\u6001\u7ba1\u7406<\/strong>\uff08Pinia \u793a\u4f8b\uff09<\/h3>\n<pre><code class=\"language-javascript\">\/\/ store\/counter.js\nimport { defineStore } from &#039;pinia&#039;;\n\nexport const useCounterStore = defineStore(&#039;counter&#039;, {\n  state: () =&gt; ({ count: 0 }),\n  actions: {\n    increment() { this.count++ }\n  }\n});<\/code><\/pre>\n<pre><code class=\"language-vue\">&lt;!-- Component.vue --&gt;\n&lt;template&gt;\n  &lt;button @click=&quot;counterStore.increment&quot;&gt;{{ counterStore.count }}&lt;\/button&gt;\n&lt;\/template&gt;\n\n&lt;script setup&gt;\nimport { useCounterStore } from &#039;@\/store\/counter&#039;;\nconst counterStore = useCounterStore();\n&lt;\/script&gt;<\/code><\/pre>\n<p><strong>\u6838\u5fc3\u6982\u5ff5<\/strong>\uff1a  <\/p>\n<ul>\n<li>Pinia \u72b6\u6001\u7ba1\u7406  <\/li>\n<li>\u8de8\u7ec4\u4ef6\u5171\u4eab\u72b6\u6001  <\/li>\n<\/ul>\n<hr \/>\n<h3>\u63a8\u8350\u5b66\u4e60\u8d44\u6e90\uff1a<\/h3>\n<ol>\n<li>\n<p><strong>\u5b98\u65b9\u793a\u4f8b<\/strong>\uff1a  <\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/vuejs\/examples\">Vue3 Examples GitHub<\/a>\uff08\u5b98\u65b9\u4ed3\u5e93\uff0c\u5305\u542b\u5404\u79cd\u573a\u666f\uff09  <\/li>\n<li><a href=\"https:\/\/cn-vuejs-challenges.netlify.app\/\">Vue.js \u6311\u6218<\/a>\uff08\u4ea4\u4e92\u5f0f\u7f16\u7801\u7ec3\u4e60\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u5b9e\u6218\u9879\u76ee<\/strong>\uff1a  <\/p>\n<ul>\n<li>\u7b80\u6613\u535a\u5ba2\u7cfb\u7edf\uff08\u6587\u7ae0\u5217\u8868 + \u8be6\u60c5\u9875\uff09  <\/li>\n<li>\u7535\u5546\u5546\u54c1\u8fc7\u6ee4\u5668\uff08\u4ef7\u683c\/\u5206\u7c7b\u7b5b\u9009\uff09  <\/li>\n<li>\u5b9e\u65f6\u804a\u5929\u754c\u9762\uff08WebSocket \u96c6\u6210\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u89c6\u9891\u6559\u7a0b<\/strong>\uff1a  <\/p>\n<ul>\n<li><a href=\"https:\/\/vueschool.io\/courses\">Vue School \u514d\u8d39\u8bfe\u7a0b<\/a>\uff08\u82f1\u6587\uff09  <\/li>\n<li>\u6280\u672f\u86cb Vue3 \u5feb\u901f\u5165\u95e8\uff08B\u7ad9\u4e2d\u6587\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<p><strong>\u5b66\u4e60\u5efa\u8bae<\/strong>\uff1a  <\/p>\n<ol>\n<li>\u5148\u901a\u8fc7 <code>Codepen<\/code> \u6216 <code>StackBlitz<\/code> \u5728\u7ebf\u7f16\u8f91\u5668\u5feb\u901f\u5c1d\u8bd5  <\/li>\n<li>\u4ece\u6700\u7b80\u4ee3\u7801\u5f00\u59cb\uff0c\u9010\u6b65\u6dfb\u52a0\u529f\u80fd  <\/li>\n<li>\u4f7f\u7528 Chrome \u7684 Vue Devtools \u8c03\u8bd5\u54cd\u5e94\u5f0f\u6570\u636e<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>1. \u8ba1\u6570\u5668\u7ec4\u4ef6\uff08\u57fa\u7840\u54cd\u5e94\u5f0f\uff09 &lt;template&gt; &lt;div&gt; &lt;p&gt;Count: {{ count }}&lt;\/p&gt; &lt;button @click=&quot;increment&quot;&gt;+1&lt;\/button&gt; &lt;button @click=&quot;reset&quot;&gt;Reset&lt;\/button&gt; &lt;\/div&gt; &lt;\/template&gt; &lt;script setup&gt; import { ref } from &#039;vue&#039;; \/\/ \u54cd\u5e94\u5f0f\u53d8\u91cf const count = ref(0); \/\/ \u65b9\u6cd5 const increment = () =&gt; count.value++; const reset = () =&gt; count.value = 0; &lt;\/script&gt; \u6838\u5fc3\u6982\u5ff5\uff1a ref \u521b\u5efa\u54cd\u5e94\u5f0f\u53d8\u91cf @click \u4e8b\u4ef6\u7ed1\u5b9a \u6a21\u677f\u4e2d\u76f4\u63a5\u4f7f\u7528\u53d8\u91cf 2. Todo List\uff08\u5217\u8868\u6e32\u67d3 &amp; [&hellip;] <a class=\"read-more\" href=\"https:\/\/www.fanyamin.com\/wordpress\/?p=1931\" title=\"Permanent Link to: Vue.js \u793a\u4f8b\">&rarr;Read&nbsp;more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1931","post","type-post","status-publish","format-standard","hentry","category-5"],"_links":{"self":[{"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1931"}],"collection":[{"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1931"}],"version-history":[{"count":1,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1931\/revisions"}],"predecessor-version":[{"id":1932,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1931\/revisions\/1932"}],"wp:attachment":[{"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fanyamin.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}