打印网页

打印某个标签内的内容：

 function customPrint( contentContainerId )
{
    var contentContainer=document.getElementById(contentContainerId);
    var winEx = window.open("about:blank","", "height=10,width=10","");
    winEx.document.open("text/html", "replace");
    winEx.document.write(contentContainer.innerHTML);
    winEx.document.close();
    winEx.print();
    winEx.close();
}