<html><head><style> div { background-color: lightgrey; border: 30px solid transparent; border-image: url('/upload/love/border.png'); border-image-slice: 30 30 30 30; border-image-width: 1 1 1 1; border-image-outset: 0; border-image-repeat: stretch;}</style></head><body><div id="main"><p> DIV 使用图像边框。</p></div><p>点击 “点我” 按钮来设置 borderImageRepeat 属性的值为 "round"。</p><button onclick="myFunction()">点我</button><script>function myFunction() { document.getElementById("main").style.borderImageRepeat = "round";}</script><p><b>注意: </b>Internet Explorer 10, Opera 12, 和 Safari 5 不支持 border-image-repeat 属性。</p></body></html>