使用CSS3或带图像的圆角？

-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
behavior: url(border-radius.htc);

borer-radius

#myAwesomeElement {
    border: 1px solid #999;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    behavior: url(path/to/PIE.htc);
}

$("#image").lc_roundz({  
radius: 20,  // corner-radius  
newDadSelector: "", // jQuery style selector string to allow attachment anywhere in the DOM. empty string will inject the canvas next to the original  
newid: "%oid_after_lc_roundz",      // the new ID for the canvas object. %oid will be replaced with the id of the original object  
width: -1,                                                           // -1 uses the original image's width  
height: -1,                    // -1 uses the original image's width  
replace: false,                                          // boolean to decide whether the original should be removed from the DOM  
corner_color: [0,0,0,0]                     // this means TRANSPARENT ... R,G,B,alpha [0-255] each  
});