<div style=\"display:none\"> 
<div id=\"to_print\"></div> 
<input type=\"button\" id=\"print_button\" value=\"Print\" onclick=\"document.getElementById(\'FILEtoPrint\').focus(); document.getElementById(\'FILEtoPrint\').contentWindow.print();\" /> 
</div> 

<script> 
function printSome(path){ //传入文件路径 
$(\"#to_print\").html(\'<iframe src=\'+path+\' id=\"FILEtoPrint\"></iframe>\'); 
setTimeout(function(){$(\"#print_button\").click();}, 500); 
} 
</script>