调用网页打印

<!--startprint-->
打印区域
<!--endprint-->
<script type="text/javascript">
	function preview() {
		bdhtml = window.document.body.innerHTML; //获取当前页的html代码
		sprnstr = "<!--startprint-->"; //设置打印开始区域
		eprnstr = "<!--endprint-->"; //设置打印结束区域
		prnhtml = bdhtml.substring(bdhtml.indexOf(sprnstr) + 18); //从开始代码向后取html
		prnhtml = prnhtml.substring(0, prnhtml.indexOf(eprnstr)); //从结束代码向前取html
		window.document.body.innerHTML = prnhtml;
		window.print();
		window.document.body.innerHTML = bdhtml;
	}
</script>

<div id="div_print">
	打印区域
</div>
<script type="text/javascript">
	function printdoc() {
		var printpage = document.getElementById("div_print");
		var newcont = printpage.innerHTML;
		var oldcont = document.body.innerHTML;
		document.body.innerHTML = newcont;
		window.print();
		document.body.innerHTML = oldcont;
		return false;
	}
</script>

head中添加
<style type="text/css"  media="print">
	@page { margin: 0; }
</style>

<input type="button" value="清空页码" onclick="PageSetup_Null()" > 
<input type="button" value="恢复页吗" onclick="PageSetup_Default()">
<script type="text/javascript">
	var HKEY_Root, HKEY_Path, HKEY_Key;
	HKEY_Root = "HKEY_CURRENT_USER";
	HKEY_Path = "\\Software\\Microsoft\\Internet Explorer\\PageSetup\\";
	//设置网页打印的页眉页脚为空
	function PageSetup_Null() {
		try {
			var Wsh = new ActiveXObject("WScript.Shell");
			HKEY_Key = "header";
			Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "");
			HKEY_Key = "footer";
			Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "");
		} catch (e) {

		}
	}
	//设置网页打印的页眉页脚为默认值
	function PageSetup_Default() {
		try {
			var Wsh = new ActiveXObject("WScript.Shell");
			HKEY_Key = "header";
			Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "&w&b页码,&p/&P");
			HKEY_Key = "footer";
			Wsh.RegWrite(HKEY_Root + HKEY_Path + HKEY_Key, "&u&b&d");
		} catch (e) {}
	}
</script>