点击运行
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> img { width: 100%; height: auto; } </style> </head> <body> <img src="/zy/i/photo/shanghai.jpg" width="460" height="306"> <p>调整浏览器窗口的大小，来查看图像如何缩放。</p> </body> </html>
运行结果
