php 使用php更改页面的背景颜色
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Change background color of a page using php
提问by RSM
I have a standard html page so:
我有一个标准的 html 页面,所以:
<html>
<head>..
.
..
and so on
and i have a php script linked to that html page with:
我有一个链接到该 html 页面的 php 脚本:
if blablabla {
change background color;
}
does anyone know how to change the background color of my page if the conditions in the if statement are met?
如果满足 if 语句中的条件,有人知道如何更改页面的背景颜色吗?
I hope i made this clear, if not, please say which bit is unclear.
我希望我说清楚了,如果没有,请说哪一点不清楚。
Thanks for any help in advance
感谢您提前提供任何帮助
回答by Shakti Singh
put your <body>
tag inside the if else
把你的<body>
标签放在 if else 里面
if blablabla {
echo '<body style="background-color:white">';
}
else {
echo '<body style="background-color:orange">';
}
回答by Kyle Humfeld
It's not necessarily great practice, but it should get the job done:
这不一定是很好的做法,但它应该可以完成工作:
if ( your_conditional ) {
$styleBlock = sprintf('
<style type="text/css">
body {
background-color:%s
}
</style>
', $yourColor);
echo $styleBlock;
}
One good (?) thing about this is that with this technique, you can put your if
statement anywhere - it'll act on the body tag regardless of where you put it.
关于这一点的一个好处(?)是,使用这种技术,您可以将您的if
语句放在任何地方 - 无论您将它放在何处,它都会对 body 标签起作用。
One caution: if you have additional style rules for the body
tag's background color farther down your page, those will take precedence over the one from your if
statement.
一个警告:如果您对body
页面下方的标签背景颜色有其他样式规则,则这些规则将优先于您的if
语句中的规则。
回答by betrice mpalanzi
here is code that i whant to change background of body
这是我想改变身体背景的代码
<body bgcolor="<?php echo $name2; ?>">