我是第一个尝试bootstrap的人.我想要实现的是让标签和输入相同的线条干净整洁.
任何人都可以解释为什么在下面的示例标签仍然高于输入?难道我做错了什么?
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<meta application-name="Test-System">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap Latest compiled and minified CSS -->
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
<!-- Bootstrap Latest compiled and minified JavaScript -->
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<!-- jQuery UI from Google CDN -->
<link rel="stylesheet" href="//ajax.googleapis.com/ajax/libs/jqueryui/1.10.4/themes/smoothness/jquery-ui.css" />
<title></title>
</head>
<body>
<form class="form-horizontal">
<div class="control-group">
<label for="input1" class="control-label">Label</label>
<div class="controls">
<input id="input1" type="text">
</div>
</div>
<div class="control-group">
<label for="input2" class="control-label">Label</label>
<div class="controls">
<input id="input2" type="text">
</div>
</div>
</form>
<!-- jQuery from …Run Code Online (Sandbox Code Playgroud) 我想知道我怎么能说MYSQL中的空字符串与正则表达式.
我的想法 :
SELECT * FROM `table` WHERE `column` <> '^$'
Run Code Online (Sandbox Code Playgroud)
就正则表达而言,我完全是新手.在MySQL中根本不是专业人士.