<HTML>
<HEAD>
<TITLE>Listing 14-4</TITLE>
</HEAD>
<BODY>
<DIV>This is the 1 DIV.</DIV>
<DIV STYLE="page-break-before:always">This is the 2 DIV.</DIV>
<DIV STYLE="page-break-before:always">This is the 3 DIV.</DIV>
<button onclick="window.print()">打印</button>
</BODY>
</HTML>
原文：https://www.cnblogs.com/xufeng-moxuan/p/9815637.html