在<head></head>里面加下面一句<style>
body{
 margin:0px;
}
</style>

解决方案 »

  1.   

    这样试下.
    <!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> <title> 
    无标题页 
    </title>
    <style type="text/css">
    html, body{
    margin:0px; padding:0px;
    }
    </style>
     </head> 
    <body> 
     <div id="demo" style="overflow: hidden;width:800px;height:232px"> <table cellpadding="0" align="left" border="0" cellspace="0"> <tr> <td id="demo1" valign="top"> <table cellspacing="0" cellpadding="0" bgcolor="#fffbf7" border="0" width="900px"> <tr align="center"> <td> 
    <img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/01.jpg"> </img> </td> <br /> 
    <td> <img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/02.jpg"> </img> </td> <br /> 
    <td> <img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/03.jpg"> </img> </td> <br /> 
    <td> <img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/04.jpg"> </img> </td> <br /> 
    <td> <img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/05.jpg"> </img> </td> <br /> 
    </tr> 
    </table> 
    </td> 
    <td id="demo2" valign="top"> </td> </tr> </table> </div> 
    <script  src="/s/Script/rollleft.js" charset="gb2312"> </script> 
    </body> 
    </html>
      

  2.   

    这个好些,你这个是址接从网页上copy过来的吧,多了一些没用的html
    <!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> 
        <title>无标题页</title>
        <style type="text/css">
        html, body{
            margin:0px; padding:0px;
        }
        </style>
    </head> 
    <body> 
        <div id="demo" style="overflow: hidden;width:800px;height:232px">
            <table cellpadding="0" align="left" border="0" cellspace="0"> <tr> <td id="demo1" valign="top">
                <table cellspacing="0" cellpadding="0" bgcolor="#fffbf7" border="0" width="900px"> 
                <tr align="center"> 
                    <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/01.jpg" /></td>  
                    <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/02.jpg" /></td> 
                    <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/03.jpg" /></td> 
                    <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/04.jpg" /></td> 
                    <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/05.jpg" /></td>
                </tr> 
                </table> 
            </td> 
            <td id="demo2" valign="top"> </td></tr> 
          </table> 
        </div> 
        <script  src="/s/Script/rollleft.js" charset="gb2312"> </script> 
    </body> 
    </html>
      

  3.   

    这个没一点空白了,你有个属性写错了,cellspacing 写成 cellspace了,所以有默认的2px空白...
    <!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> 
        <title>无标题页</title>
        <style type="text/css">
        html, body{
            margin:0px; padding:0px;
        }
        </style>
    </head> 
    <body> 
    <div id="demo" style="overflow: hidden; width:800px; height:232px;">
            <table cellpadding="0" align="left" border="0" cellspacing="0">
              <tr>
                  <td id="demo1" valign="top">
                     <table cellspacing="0" cellpadding="0" bgcolor="#fffbf7" border="0" width="900px"> 
                        <tr align="center">
                            <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/01.jpg" /></td>  
                            <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/02.jpg" /></td> 
                            <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/03.jpg" /></td> 
                            <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/04.jpg" /></td> 
                            <td><img alt="" src="http://www.makewing.com/lanren/jscode/js-0063/images/05.jpg" /></td>
                        </tr> 
                      </table> 
                </td> 
                <td id="demo2" valign="top">&nbsp;</td>
            </tr> 
          </table> 
        </div> 
        <script src="/s/Script/rollleft.js" charset="gb2312"></script> 
    </body> 
    </html>