<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <title>preview_demo</title> </head> <style> html, body { padding: 0; margin: 0; } </style> <body> <!--预览界面--> <!--视频窗口展示--> <div id="playWnd" class="playWnd" style="left: 0px; top: 0px;width:0;height:0"></div> </body> </html>
