php学习笔记之动态生成一组单选button

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>动态生成一组单选button</title>
</head> <body>
<table width="550" border="1" align="center" cellpadding="0" cellspacing="0">
<?php
function GenerateRadioGroup($name, $options, $col, $default="")
{
$name = htmlentities($name);
$len = count($options);
$s = 1; //累计项目数量
$i = 0;
foreach ($options as $value => $label)
{
if ($i == $col) //一行结束
{
$html .= '</tr>';
$i = 0;
}
if ( $i % $col == 0) //一行開始
{
$html .= '<tr>';
} if ($s == $len && $i < $col-1)
{
$colspan = $col - $i;
$html .= '<td colspan="' . $colspan . '" >';
}
else
{
$html .= '<td>';
} $value = htmlentities($value);
$html .= '<input type="radio" ';
if ($value == $default)
{
$html .= 'checked ';
}
$html .= 'name="' . $name . '" ';
$html .= 'id="' . $name . '_' . $value . '" ';
$html .= 'value="' . $label . '" />';
$html .= $label;
$html .= '</td>';
++$i;
++$s;
}
return $html;
} $options = array("100", "400m", "1500m", "跳高", "立定跳远", "三级跳远", "铅球", "实心球", "三项全能", "接力赛");
$default = "2";
$col = 3; //表格的列数
$html = GenerateRadioGroup("RadioEvent", $options, $col, $default);
echo $html; ? >
</table>
</body>
</html>
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