<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<body>
</body>
</html>
echo 'hhh';
$a=123;
$b=666;
echo $a+$b;
正常文本SELECT 1 AS ID, '张三' AS NAME, '2019-01-01' AS birthday FROM dual UNION ALL
SELECT 2 AS ID, '李四' AS NAME, '2019-02-01' AS birthday FROM dual UNION ALL
SELECT 3 AS ID, '王五' AS NAME, '2019-03-01' AS birthday FROM dual
ORDER BY id