今天学习了数据库的链接，配置了Maven环境
<head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial - scale=1.0"> <title>MES系统</title> <style> body { font-family: Arial, sans - serif; } nav {
background-color: #333;
overflow: hidden;
}
nav a {
float: left;
display: block;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
nav a:hover {
background-color: #ddd;
color: black;
}
.page {
display: none;
}
form {
margin: 20px;
}
label {
display: block;
margin-bottom: 5px;
}
input {
margin-bottom: 10px;
}
button {
margin-top: 10px;
}
</style>