js window.print实现打印特定控件或内容

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我是靠谱客的博主斯文夕阳，最近开发中收集的这篇文章主要介绍js window.print实现打印特定控件或内容，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

window.print可以打印网页，但有时候我们只希望打印特定控件或内容，怎么办呢？

window.print打印指定div
首先我们可以把要打印的内容放在div中，然后用下面的代码进行打印。

复制代码代码如下:

 
<html> 
<head> 
<script language="javascript"> 
function printdiv(printpage) 
{ 
var headstr = "<html><head><title></title></head><body>"; 
var footstr = "</body>"; 
var newstr = document.all.item(printpage).innerHTML; 
var oldstr = document.body.innerHTML; 
document.body.innerHTML = headstr+newstr+footstr; 
window.print(); 
document.body.innerHTML = oldstr; 
return false; 
} 
</script> 
<title>div print</title> 
</head> 

<body> 
//HTML Page 
//Other content you wouldn't like to print 
<input name="b_print" type="button" class="ipt" onClick="printdiv('div_print');" value=" Print "> 

<div id="div_print"> 

<h1 style="Color:Red">The Div content which you want to print</h1> 

</div> 
//Other content you wouldn't like to print 
//Other content you wouldn't like to print 
</body> 
</html> 