缩放图片代码

 

按比例缩放图片

<img src=" http://img.blog.163.com/photo/TaGbr28v0eXAnGt07H9ePQ==/4504725527277833480.jpg" alt="自动缩放后的效果" width="300" height="300" onload="javascript:DrawImage(this,200,200);" />

 

让图片自动按比例缩放

<img width=400 height=300 src=http://img./gallery/nikoncp2500_samples/originals/020307-0639-56.jpg>
<button >+</button><button onclick="kk.width-=10;kk.height-=10;">-</button>