table中的colspan和rowspan

 

< table width = "500" border = "0" cellpadding = "0" cellspacing = "1" >

  < tr >

    < td rowspan = "3" >日期</ td >

    < td rowspan = "3" >名称</ td >

    < td colspan = "4" >专业</ td >

  </ tr >

  < tr >

    < td colspan = "2" >语文</ td >

    < td colspan = "2" >数学</ td >

  </ tr >

  < tr >

    < td >上学期</ td >

    < td >下学期</ td >

    < td >上学期</ td >

    < td >下学期</ td >

  </ tr >

</ table >