fix : 修复文件预览弹窗适配

src/components/filePreview/index.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="file-preview">
-    <el-dialog id="dialog" :border="false" width="1500" :style="{height: fullscreen?'':'750px;'}" top="10vh"
+    <el-dialog id="dialog" :border="false" width="1200" :style="{height: fullscreen?'':'650px;'}" top="10vh"
                :fullscreen="fullscreen"
                :title="fileName" :show-close="true" :visible.sync="showPreview" v-model="showPreview"
                :append-to-body="false"
@@ -54,7 +54,7 @@ if(props.fileType!=='pdf'&&props.fileType!=='docx'&&!checkImgType(props.fileType
 }
 </script>
 
-<style lang="scss">
+<style lang="scss" scoped>
 .file-preview {
   .el-overlay-dialog {
     left: 0 !important;
@@ -69,6 +69,8 @@ if(props.fileType!=='pdf'&&props.fileType!=='docx'&&!checkImgType(props.fileType
   }
 
   .el-dialog__body {
+    overflow: hidden;
+
     padding: 0 !important;
   }
 }