JS 调用 window.print 实现 CSS 分页打印

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>无标题文档</title> 
<script language="javascript"> 
//打印代码 
 function Print()  
 {  
  var printStr = "<html><head><meta http-equiv='Content-Type' content='text/html; charset=utf-8'></head><body >"; 
  var content = ""; 
  var str = document.getElementById('page1').innerHTML;  //获取需要打印的页面元素 ，page1元素设置样式page-break-after:always，意思是从下一行开始分割。 
  content = content + str; 
  str = document.getElementById('page2').innerHTML;  //获取需要打印的页面元素 
  content = content + str; 
  printStr = printStr+content+"</body></html>";            
  var pwin=window.open("Print.htm","print"); //如果是本地测试，需要先新建Print.htm，如果是在域中使用，则不需要 
  pwin.document.write(printStr); 
  pwin.document.close();     //这句很重要，没有就无法实现 
  pwin.print();  
 } 
</script> 
</head> 
<body > 
<div><input type="button" value="打印" onclick="Print()" /></div> 
<div id="page1"> 
  <table width="100%" border="0" cellpadding="0" cellspacing="0" style="page-break-after:always" > 
  <tr><td>第一页打印内容</td></tr> 
  </table> 
</div> 
<div id="page2"> 
  <table width="100%" border="0" cellpadding="0" cellspacing="0" id="content" > 
  <tr><td>第二页打印内容</td></tr> 
  </table> 
</div> 
</body> 
</html>