popup component

docs/examples/popup.md

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+<script>
+export default {
+  data() {
+    return {
+      popupShow1: false,
+      popupShow2: false,
+      popupShow3: false,
+      popupShow4: false
+    }
+  },
+
+  watch: {
+    popupShow2(val) {
+      if (val) {
+        setTimeout(() => {
+          this.popupShow2 = false;
+        }, 2000);
+      }
+    }
+  }
+};
+</script>
+
+<style>
+.o2-popup-1 {
+  width: 100%;
+  height: 200px;
+}
+
+.o2-popup-2 {
+  width: 100%;
+  line-height: 44px;
+  background-color: rgba(0, 0, 0, 0.701961);
+  text-align: center;
+  color: #fff;
+}
+
+.o2-popup-3 {
+  width: 100%;
+  height: 100%;
+  background-color: #fff;
+}
+
+.o2-popup-4 {
+  width: 50%;
+  height: 200px;
+  background: #fff;
+  border-radius: 10px;
+}
+</style>
+
+## Popup组件
+
+### 基础用法
+
+:::demo
+```html
+<o2-button @click="popupShow1 = true">从下方弹出popup</o2-button>
+<o2-popup v-model="popupShow1" position="bottom" class="o2-popup-1">
+  xxxx
+</o2-popup>
+
+<o2-button @click="popupShow2 = true">从上方方弹出popup</o2-button>
+<o2-popup v-model="popupShow2" position="top" class="o2-popup-2" :overlay="false">
+  更新成功
+</o2-popup>
+
+<o2-button @click="popupShow3 = true">从右方弹出popup</o2-button>
+<o2-popup v-model="popupShow3" position="right" class="o2-popup-3" :overlay="false">
+  <o2-button @click.native="popupShow3 = false">关闭 popup</o2-button>
+</o2-popup>
+
+<o2-button @click="popupShow4 = true">从中间弹出popup</o2-button>
+<o2-popup v-model="popupShow4" transition="popup-fade" class="o2-popup-4">
+  一些内容
+</o2-popup>
+```
+:::
+
+### API
+
+| 参数       | 说明      | 类型       | 默认值       | 可选值       |
+|-----------|-----------|-----------|-------------|-------------|
+| value | 利用`v-model`绑定当前组件是否显示 | Boolean  | '' |   |