表格的常用属性

基本属性有：width（宽度）、height（高度）、border（边框值）、cellspacing（表格的内宽，即表格与tr之间的间隔）、 cellpadding（表格内元素的间隔，即tr与tr之间的间隔）、bordercolorlight（表格的亮边框颜色）、 bordercolordark（表格的暗边框颜色）、bgcolor（表格的背景色）、background（表格的背景图片）、 bordercolor（表格边框的颜色）

表格边线实现方法

<!-- td边框方式 -->  
css:
table{border-collapse:collapse;}  
td{border:1px blue solid;}  

table: 
    <table width="50%" align="center">  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
    </table>  
</body>  
</html>  
  
<!-- table与tr背景色反色方式 -->  
css:
table{background:#0000FF;}  
tr{background:#FFFFFF;}  

table:
    <table width="50%" align="center" cellspacing="1">  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
        <tr>  
            <td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td><td>asdf</td>  
        </tr>  
    </table>