1 <?php 2 $color = ""; 3 echo "变色列表"; 4 echo "<ul>"; 5 6 for ($i = 0; $i <=5; $i++) { 7 if ($i%2 == 0) { 8 $color = "red"; 9 }else{ 10 $color = "yellow"; 11 } 12 echo "<li style= ‘background:{$color}; width:200‘>第{$i}行内容</li>"; 13 } 14 15 echo"</ul>";
原文：http://www.cnblogs.com/yuge790615/p/4785697.html