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一个颜色轮换的简单例子_php基础

WBOY
WBOYOriginal
2016-05-17 09:45:47928browse

一个颜色轮换的简单例子,使用三元运算子,使程序简练。
我们曾经在网站上看过一些表格单元格的背景颜色是隔行变化的,其实用下面一段很小的一段代码就可以实现: $color=(($coloralter++ %2)? "e0e0e0":"e8e8e8") ,即通过将变量累加和2取余,运用三元运算子来取得两个不同得颜色值。
示例如下:


test






         for ($i=0;$i    $color = (($coloralternator++ %2) ? "e0e0e0" : "ff6666");
    echo "
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