<!doctype html> <html> <head> <meta charset=utf-8> <title>测试</title> </head> <body><center> <h3>视频测试</h3></center> <br><hr> <center> <video class="kg" autoplay loop> <source src="video/welcome.mp4" type="video/mp4" controls=""> </video> </center> </body> </html>