大屏应用位置整合

project/dvui/layout/AiDvBackground.vue

@@ -0,0 +1,32 @@
+<template>
+  <section class="AiDvBackground" :style="{opacity:alpha}">
+    <img class="bgImage" :src="src"/>
+  </section>
+</template>
+
+<script>
+export default {
+  name: "AiDvBackground",
+  props: {
+    src: String,
+    alpha: {default: 1}
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.AiDvBackground {
+  top: 0;
+  left: 0;
+  bottom: 0;
+  right: 0;
+  position: absolute;
+  pointer-events: none;
+  //z-index: -1;
+
+  .bgImage {
+    width: 100%;
+    height: 100%;
+  }
+}
+</style>