蒙板是两个div，其中popWindow样式的div用于遮住整个页面，并半透明。maskLayer 在popWindow上面，用于显示蒙板的信息，比如“载入中……“ 复制代码 代码如下: <BR>.popWindow { <BR>background-color:#9D9D9D; <BR>width: 100%; <BR>height: 100%; <BR>left: 0; <BR>top: 0; <BR>filter: alpha(opacity=50); <BR>opacity: 0.5; <BR>z-index: 1; <BR>position: absolute; <br><br>} <BR>.maskLayer { <BR>background-color:#000; <BR>width: 200px; <BR>height: 30px; <BR>line-height: 30px; <BR>left: 50%; <BR>top: 50%; <BR>color:#fff; <BR>z-index: 2; <BR>position: absolute; <BR>text-align:center; <BR>} <BR> <BR>function showDiv() { <BR>document.getElementById('popWindow').style.display = 'block'; <BR>document.getElementById('maskLayer').style.display = 'block'; <BR>} <BR>function closeDiv() { <BR>document.getElementById('popWindow').style.display = 'none'; <BR>document.getElementById('maskLayer').style.display = 'none'; <BR>} <BR> 弹出蒙板 关闭蒙板
