摘要：
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <style> span~p{ background: green; } </style> </head> <body> <div> <p>d 阅读全文
摘要：
<head> <!-- 链接外部css样式文件 --> <link rel="stylesheet" href="css/style.css"/> <style> <!-- HTML标记定义 --> p{color:yellow;} <!-- Class定义 --> .p1{color:yellow 阅读全文
摘要：
报错内容 : 04-response.html:48 Failed to load file:///C:/Soft/directory/AppServ/www/04.php: Cross origin requests are only supported for protocol schemes: 阅读全文