在网页中用JavaScript控制DIV进行预览打印

function doPrint(){
    var article;
    var css;
    var strAdBegin="";
    var strAdEnd="";
    var strTmp;
    var str="<html>
<meta http-equiv='content-type' content='text/html; charset=gb2312'>";
    css="<style>"+"td,.f12{font-size:12px}";
    css +="body{font-family:宋体;border:1px #6f6f6f solid;}";
    css +=".f24 {font-size:24px;}";
    css +=".f14 {font-size:14px;}";
    css +=".content_text{97%;margin-left:3%;}";
    css +=".title14 {font-size:14px;line-height:130%}";
    css +=".l17 {line-height:170%;}";
    css +=".x14 {font-size:14px;line-height:130%}";
    css +="a.zwy:link,a.zwy:active,a.zwy:visited,a.zwy:hover{text-decoration:none;color: #311bad;}";
    css +="a.htt:link,a.htt:active,a.htt:visited{text-decoration:none;color: #7b4109;}";
    css +="</style>";

    str +=  css;
    str +="<link href='/css/com_article.css' rel='stylesheet' type='text/css' />";
    str +=  '<meta http-equiv="content-type" content="text/html; charset=gb2312">';
    str +=  '<title>'+document.title+'</title>';
    str +=  "<body bgcolor=#ffffff topmargin=5 leftmargin=5 marginheight=5 marginwidth=5 >";
    str +=  "<center><table width=650  border=0 cellpadding=0 cellspacing=0 ><tr>";
    str +=  "<td align=left valign=bottom style='padding-top:12px;'>View</td>";
    str +=  "<td align=right valign=bottom style='padding-top:12px;'><a href='javascript:window.print()'><strong>Print</strong></a> <a href='javascript:history.back()'><strong>Back</strong></a></td></tr></table>";
    str +=  "<table  style='650px;border:#8EDDE6 1px solid;'><tr><td>";
    str +=document.getElementById('print_nav').innerHTML+"</td></tr><tr><td>";
    article=document.getElementById('divContext').innerHTML;
    var nv  =  document.getElementById('div_multipagenav');
    if (nv!=null)
    {    
       var nav =document.getElementById('div_multipagenav').innerHTML;
       article=article.replace(nav,"");
    }
    var hzh=document.getElementById('TomHZH');
    if (hzh !=null)
    {
      var oldhzh=document.getElementById('TomHZH').innerHTML;
      article=article.replace(oldhzh,"");
    }
    if(article.indexOf(strAdBegin)!=-1)
    {
      str +=article.substr(0,article.indexOf(strAdBegin));
      strTmp=article.substr(article.indexOf(strAdEnd)+strAdEnd.length, article.length);
    }
    else
    {
        strTmp=article
    }
    str +=strTmp
    str +=  "</td></tr></table></center><div style='height:25px;'></div>";
    str +=  "</body></html>";
    document.write(str);
    window.print();
    document.close();
}

    str +=document.getElementById('print_nav').innerHTML+"</td></tr><tr><td>";
    article=document.getElementById('divContext').innerHTML; //这是获取要打印内容的地方
    var nv = document.getElementById('div_multipagenav');

这三个ID必须有！DIV标记的ID

HTML页面内的使用方法：

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1 <html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />、
<title>Print</title>
<script type="text/javascript" language="javascript" src="doPrint.js"></script>
</head>
<body>
<form id="form1">
   <div id="print_nav"></div>
   <div id="divContext">
      <img src="images/edm_01.jpg" alt="" />
   </div>
   <div id="div_multipagenav"></div>
   <input type="button" value="print" onclick="doPrint();" />
</form>
</body>
</html>