我使用下面的代码通过 WordPress Customizer 的设置将一些 CSS 添加到页面的头部:
public static function header_output() {
?>
<!--Customizer CSS-->
<style type="text/css">
<?php self::generate_css('#site-title a', 'color', 'header_textcolor', '#'); ?>
<?php self::generate_css('body', 'background-color', 'background_color', '#'); ?>
<?php self::generate_css('a', 'color', 'link_textcolor'); ?>
<?php self::generate_css('#wrapper-1', 'background-color', 'section_1_background_color'); ?>
<?php self::generate_css('#wrapper-1', 'background-image', 'section_1_background_image'); ?>
</style>
<!--/Customizer CSS-->
<?php
}
除了背景图像外一切正常,因为它输出:
#wrapper-1 { background-image:filename.jpg; }
代替:
#wrapper-1 { background-image: url("filename.jpg"); }
有谁知道修改下面的 php 行以在图像周围包含 url("") 的正确方法?
<?php self::generate_css('#wrapper-1', 'background-image', 'section_1_background_image'); ?>
最佳答案
引用 https://codex.wordpress.org/Theme_Customization_API#Sample_Theme_Customization_Class ...
像这样使用 generate_css 函数扩展主题自定义类:
/**
* This will generate a line of CSS for use in header output. If the setting
* ($mod_name) has no defined value, the CSS will not be output.
*
* @uses get_theme_mod()
* @param string $selector CSS selector
* @param string $style The name of the CSS *property* to modify
* @param string $mod_name The name of the 'theme_mod' option to fetch
* @param string $prefix Optional. Anything that needs to be output before the CSS property
* @param string $postfix Optional. Anything that needs to be output after the CSS property
* @param bool $echo Optional. Whether to print directly to the page (default: true).
* @return string Returns a single line of CSS with selectors and a property.
* @since MyTheme 1.0
*/
public static function generate_css( $selector, $style, $mod_name, $prefix='', $postfix='', $echo=true ) {
$return = '';
$mod = get_theme_mod($mod_name);
// fix the issue here:
if ($style=='background-image' && !empty($mod)) {
$mod = 'url("'.$mod.'")';
}
if ( ! empty( $mod ) ) {
$return = sprintf('%s { %s:%s; }',
$selector,
$style,
$prefix.$mod.$postfix
);
if ( $echo ) {
echo $return;
}
}
return $return;
}
关于php - 用于背景图像的 WordPress 定制器 CSS,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40773977/