js 打印功能

function printInfo() {var printId = document.getElementById("print");var mStr = window.document.body.innerHTML ;           window.document.body.innerHTML =printId.innerHTML; window.print(); window.document.body.innerHTML = mStr; }function printView() {//打印预览var wb = document.getElementById('wb');wb.ExecWB(7,1);}

<OBJECT classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2" height="0" id="wb" name="wb" width="0"></OBJECT> <div id="printDiv">需要打印的内容</div>