PHP函数里面写JQ CSS HTML的写法案例

/*** @description: 返回顶部* @param {*}* @return {*}*/

public function gotop()
{global $_L, $COMCFG;$plugin = $COMCFG['plugin']['gotop'] ?: [];$plugin = array_merge(["right"   => 30,"bottom"  => 80,"color"   => "rgba(255, 255, 255, 1)","bgcolor" => "rgba(96, 98, 102, 1)",], $plugin);if ($plugin['style'] == "1" && $plugin['image']) {$css  = '<style>.lcms-gotop-Box{display:none;position:fixed;width:50px;height:auto;right:' . $plugin['right'] . 'px;bottom:' . $plugin['bottom'] . 'px;cursor:pointer;z-index:999}.lcms-gotop-Box img{display:block;width:100%;vertical-align:middle}</style>';$html = '<div class="lcms-gotop-Box"><img src="' . oss($plugin['image']) . '" alt="GOTOP" title="GOTOP"/></div>';} else {$css  = '<style>.lcms-gotop-Box{display:none;position:fixed;width:40px;height:40px;line-height:40px;right:' . $plugin['right'] . 'px;bottom:' . $plugin['bottom'] . 'px;text-align:center;color:' . $plugin['color'] . ';background:' . $plugin['bgcolor'] . ';cursor:pointer;box-shadow:0 0 1px 1px #fff;z-index:999}.lcms-gotop-Box i{font-size:20px;vertical-align:middle}</style>';$html = '<div class="lcms-gotop-Box"><i class="fas fa-chevron-up"></i></div>';}echo "LCMSJQ('body').append('{$css}').append('{$html}');";echo 'if(LCMSJQ(".lcms-gotop-Box").length>0){LCMSJQ(window).scroll(function(){if(LCMSJQ(this).scrollTop()>100){LCMSJQ(".lcms-gotop-Box").fadeIn()}else{LCMSJQ(".lcms-gotop-Box").fadeOut()}});LCMSJQ(".lcms-gotop-Box").click(function(){LCMSJQ("html ,body").animate({scrollTop:0},300);return false});}';
}