[Improvement] Reorganize demos (#1052)

packages/popup/demo/index.vue

@@ -0,0 +1,137 @@
+<template>
+  <demo-section>
+    <demo-block :title="$t('basicUsage')">
+      <van-button @click="show1 = true">{{ $t('button1') }}</van-button>
+      <van-popup v-model="show1">{{ $t('content') }}</van-popup>
+    </demo-block>
+
+    <demo-block :title="$t('position')">
+      <van-button @click="show2 = true;">{{ $t('button2') }}</van-button>
+
+      <van-popup v-model="show2" position="bottom">
+        <van-picker
+          show-toolbar
+          :columns="$t('columns')"
+          @confirm="show2 = false"
+          @cancel="show2 = false"
+        />
+      </van-popup>
+
+      <van-button @click="show3 = true">{{ $t('button4') }}</van-button>
+      <van-popup v-model="show3" position="top" :overlay="false">
+        {{ $t('content') }}
+      </van-popup>
+
+      <van-button @click="show4 = true">{{ $t('button5') }}</van-button>
+      <van-popup v-model="show4" position="right">
+        <van-button @click="show4 = false">{{ $t('button6') }}</van-button>
+        <van-button @click="show5 = true">{{ $t('button5') }}</van-button>
+        <van-popup v-model="show5" position="right">
+          <van-button @click="show5 = false">{{ $t('button6') }}</van-button>
+        </van-popup>
+      </van-popup>
+    </demo-block>
+  </demo-section>
+</template>
+
+<script>
+export default {
+  i18n: {
+    'zh-CN': {
+      position: '弹出位置',
+      button1: '弹出 Popup',
+      button2: '底部弹出',
+      button3: '弹出 Dialog',
+      button4: '顶部弹出',
+      button5: '右侧弹出',
+      button6: '关闭弹层',
+      columns: ['杭州', '宁波', '温州', '嘉兴', '湖州']
+    },
+    'en-US': {
+      position: 'Position',
+      button1: 'Show Popup',
+      button2: 'From Bottom',
+      button3: 'Show Dialog',
+      button4: 'From Top',
+      button5: 'From Right',
+      button6: 'Close Popup',
+      columns: ['Delaware', 'Florida', 'Georqia', 'Indiana', 'Maine']
+    }
+  },
+
+  data() {
+    return {
+      show1: false,
+      show2: false,
+      show3: false,
+      show4: false,
+      show5: false
+    };
+  },
+
+  watch: {
+    show3(val) {
+      if (val) {
+        setTimeout(() => {
+          this.show3 = false;
+        }, 2000);
+      }
+    }
+  },
+
+  methods: {
+    showDialog() {
+      Dialog.confirm({
+        title: 'confirm标题',
+        message: '弹窗提示文字，左右始终距离边20PX，上下距离20PX，文字左对齐。弹窗提示文字，左右始终距离边20PX，上下距离20PX，文字左对齐。'
+      });
+    }
+  }
+};
+</script>
+
+<style lang="postcss">
+.demo-popup {
+  .van-button {
+    margin: 10px 0 10px 15px;
+  }
+
+  .van-popup {
+    width: 60%;
+    padding: 20px;
+    box-sizing: border-box;
+
+    &--bottom {
+      width: 100%;
+      padding: 0;
+      border-radius: 0;
+    }
+
+    .van-tabs__content {
+      height: 156px;
+      overflow-y: scroll;
+      -webkit-overflow-scrolling: touch;
+    }
+
+    .van-tab__pane:not(:first-child) {
+      padding: 10px;
+      line-height: 1.4;
+      color: #666;
+    }
+
+    &--top {
+      color: #fff;
+      width: 100%;
+      border-radius: 0;
+      line-height: 20px;
+      background-color: rgba(0, 0, 0, 0.8);
+    }
+
+    &--left,
+    &--right {
+      width: 100%;
+      height: 100%;
+    }
+  }
+}
+</style>