[improvement] rename packages dir to src (#3659)

src/notice-bar/demo/index.vue

@@ -0,0 +1,78 @@
+<template>
+  <demo-section>
+    <demo-block :title="$t('basicUsage')">
+      <van-notice-bar
+        :text="$t('text')"
+        left-icon="volume-o"
+      />
+    </demo-block>
+
+    <demo-block :title="$t('unscrollable')">
+      <van-notice-bar
+        :scrollable="false"
+        :text="$t('text')"
+      />
+    </demo-block>
+
+    <demo-block :title="$t('wrapable')">
+      <van-notice-bar
+        wrapable
+        :scrollable="false"
+        :text="$t('text')"
+      />
+    </demo-block>
+
+    <demo-block :title="$t('mode')">
+      <van-notice-bar
+        mode="closeable"
+        :text="$t('text')"
+      />
+      <van-notice-bar
+        mode="link"
+        :text="$t('text')"
+      />
+    </demo-block>
+
+    <demo-block :title="$t('customStyle')">
+      <van-notice-bar
+        :text="$t('text')"
+        color="#1989fa"
+        background="#ecf9ff"
+        left-icon="info-o"
+      />
+    </demo-block>
+  </demo-section>
+</template>
+
+<script>
+export default {
+  i18n: {
+    'zh-CN': {
+      unscrollable: '禁用滚动',
+      mode: '通知栏模式',
+      wrapable: '多行展示',
+      text: '足协杯战线连续第2年上演广州德比战，上赛季半决赛上恒大以两回合5-3的总比分淘汰富力。',
+      customStyle: '自定义样式'
+    },
+    'en-US': {
+      mode: 'Mode',
+      wrapable: 'Wrapable',
+      unscrollable: 'Disable scroll',
+      text: 'Only those who have the patience to do simple things perfectly ever acquire the skill to do difficult things easily.',
+      customStyle: 'Custom Style'
+    }
+  }
+};
+</script>
+
+<style lang="less">
+.demo-notice-bar {
+  .van-notice-bar:not(:first-of-type) {
+    margin-top: 5px;
+  }
+
+  .van-doc-demo-block__title {
+    padding-top: 25px;
+  }
+}
+</style>