js实现局部打印功能

版权声明:茅坑的石头 https://blog.csdn.net/lishuoboy/article/details/85049599
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>局部打印案例</title>
<script type="text/javascript">     
    function doPrint() {      
        bdhtml=window.document.body.innerHTML;      
        sprnstr="<!--startprint-->";      
        eprnstr="<!--endprint-->";      
        prnhtml=bdhtml.substr(bdhtml.indexOf(sprnstr)+17);      
        prnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));      
        window.document.body.innerHTML=prnhtml;   
        window.print();
		window.document.body.innerHTML = bdhtml;
}      
</script>
</head>

<body>
	<p>1不需要打印的地方</p>
	<p>2这里不要打印啊</p>
	<!--startprint-->
	<!--注意要加上html里star和end的这两个标记-->
	<h1>打印标题</h1>
	<p>打印内容~~</p>
	<!--endprint-->
	<button type="button" onclick="doPrint()">打印</button>
	<p>不打印的地方啊哈哈哈哈</p>
	<p>2</p>
</body>
</html>

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转载自blog.csdn.net/lishuoboy/article/details/85049599
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