jQuery打印图片pdf、txt示例代码

<div> 
<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>
<div> 
<div id="