function do_print(id_str)//id-str 打印区域的id
{
var el = document.getElementById(id_str);
var iframe = document.createElement('IFRAME');
var doc = null;
iframe.setAttribute('style', 'position:absolute;width:0px;height:0px;left:-500px;top:-500px;');
document.body.appendChild(iframe);
doc = iframe.contentWindow.document;
// 引入打印的专有CSS样式，www.111Cn.net根据实际修改
doc.write("
");
doc.write('
' + el.innerHTML + '
');
doc.close();
iframe.contentWindow.focus();
iframe.contentWindow.print();
if (navigator.userAgent.indexOf("MSIE") > 0)
{
document.body.removeChild(iframe);
}
}
3. 测试
