增加对pdf预览支持，统计分析对时间范围的限定要求

yxh

6 天以前 4afb944c92aed7287cc4691fc9019f3b9faea1c0

 src/App.vue

@@ -3,12 +3,16 @@
    <keep-alive>
    <router-view />
    </keep-alive>
    <file-preview ref="filePreview" />
  </div>
</template>

<script>
import FilePreview from "@/components/FilePreview/index.vue";

export default  {
  name:  'App',
  components: { FilePreview },
    metaInfo() {
        return {
            title: this.$store.state.settings.dynamicTitle && this.$store.state.settings.title,