-5
我怎麼可以連接數據庫通過使用此代碼，我如何登錄學生和重定向到學生面板請寫下 PHP登錄代碼如何我可以連接和登錄在PHP本地主機在PHP使用此代碼
body {
\t background: #DCDDDF url(http://cssdeck.com/uploads/media/items/7/7AF2Qzt.png);
\t color: #000;
\t font: 14px Arial;
\t margin: 0 auto;
\t padding: 0;
\t position: relative;
}
h1{ font-size:28px;}
h2{ font-size:26px;}
h3{ font-size:18px;}
h4{ font-size:16px;}
h5{ font-size:14px;}
h6{ font-size:12px;}
h1,h2,h3,h4,h5,h6{ color:#563D64;}
small{ font-size:10px;}
b, strong{ font-weight:bold;}
a{ text-decoration: none; }
a:hover{ text-decoration: underline; }
.left { float:left; }
.right { float:right; }
.alignleft { float: left; margin-right: 15px; }
.alignright { float: right; margin-left: 15px; }
.clearfix:after,
form:after {
\t content: ".";
\t display: block;
\t height: 0;
\t clear: both;
\t visibility: hidden;
}
.container { margin: 25px auto; position: relative; width: 900px; }
#content {
\t background: #f9f9f9;
\t background: -moz-linear-gradient(top, rgba(248,248,248,1) 0%, rgba(249,249,249,1) 100%);
\t background: -webkit-linear-gradient(top, rgba(248,248,248,1) 0%,rgba(249,249,249,1) 100%);
\t background: -o-linear-gradient(top, rgba(248,248,248,1) 0%,rgba(249,249,249,1) 100%);
\t background: -ms-linear-gradient(top, rgba(248,248,248,1) 0%,rgba(249,249,249,1) 100%);
\t background: linear-gradient(top, rgba(248,248,248,1) 0%,rgba(249,249,249,1) 100%);
\t filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f8f8f8', endColorstr='#f9f9f9',GradientType=0);
\t -webkit-box-shadow: 0 1px 0 #fff inset;
\t -moz-box-shadow: 0 1px 0 #fff inset;
\t -ms-box-shadow: 0 1px 0 #fff inset;
\t -o-box-shadow: 0 1px 0 #fff inset;
\t box-shadow: 0 1px 0 #fff inset;
\t border: 1px solid #c4c6ca;
\t margin: 0 auto;
\t padding: 25px 0 0;
\t position: relative;
\t text-align: center;
\t text-shadow: 0 1px 0 #fff;
\t width: 400px;
}
#content h1 {
\t color: #7E7E7E;
\t font: bold 25px Helvetica, Arial, sans-serif;
\t letter-spacing: -0.05em;
\t line-height: 20px;
\t margin: 10px 0 30px;
}
#content h1:before,
#content h1:after {
\t content: "";
\t height: 1px;
\t position: absolute;
\t top: 10px;
\t width: 27%;
}
#content h1:after {
\t background: rgb(126,126,126);
\t background: -moz-linear-gradient(left, rgba(126,126,126,1) 0%, rgba(255,255,255,1) 100%);
\t background: -webkit-linear-gradient(left, rgba(126,126,126,1) 0%,rgba(255,255,255,1) 100%);
\t background: -o-linear-gradient(left, rgba(126,126,126,1) 0%,rgba(255,255,255,1) 100%);
\t background: -ms-linear-gradient(left, rgba(126,126,126,1) 0%,rgba(255,255,255,1) 100%);
\t background: linear-gradient(left, rgba(126,126,126,1) 0%,rgba(255,255,255,1) 100%);
right: 0;
}
#content h1:before {
\t background: rgb(126,126,126);
\t background: -moz-linear-gradient(right, rgba(126,126,126,1) 0%, rgba(255,255,255,1) 100%);
\t background: -webkit-linear-gradient(right, rgba(126,126,126,1) 0%,rgba(255,255,255,1) 100%);
\t background: -o-linear-gradient(right, rgba(126,126,126,1) 0%,rgba(255,255,255,1) 100%);
\t background: -ms-linear-gradient(right, rgba(126,126,126,1) 0%,rgba(255,255,255,1) 100%);
\t background: linear-gradient(right, rgba(126,126,126,1) 0%,rgba(255,255,255,1) 100%);
left: 0;
}
#content:after,
#content:before {
\t background: #f9f9f9;
\t background: -moz-linear-gradient(top, rgba(248,248,248,1) 0%, rgba(249,249,249,1) 100%);
\t background: -webkit-linear-gradient(top, rgba(248,248,248,1) 0%,rgba(249,249,249,1) 100%);
\t background: -o-linear-gradient(top, rgba(248,248,248,1) 0%,rgba(249,249,249,1) 100%);
\t background: -ms-linear-gradient(top, rgba(248,248,248,1) 0%,rgba(249,249,249,1) 100%);
\t background: linear-gradient(top, rgba(248,248,248,1) 0%,rgba(249,249,249,1) 100%);
\t filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f8f8f8', endColorstr='#f9f9f9',GradientType=0);
\t border: 1px solid #c4c6ca;
\t content: "";
\t display: block;
\t height: 100%;
\t left: -1px;
\t position: absolute;
\t width: 100%;
}
#content:after {
\t -webkit-transform: rotate(2deg);
\t -moz-transform: rotate(2deg);
\t -ms-transform: rotate(2deg);
\t -o-transform: rotate(2deg);
\t transform: rotate(2deg);
\t top: 0;
\t z-index: -1;
}
#content:before {
\t -webkit-transform: rotate(-3deg);
\t -moz-transform: rotate(-3deg);
\t -ms-transform: rotate(-3deg);
\t -o-transform: rotate(-3deg);
\t transform: rotate(-3deg);
\t top: 0;
\t z-index: -2;
}
#content form { margin: 0 20px; position: relative }
#content form input[type="text"],
#content form input[type="password"] {
\t -webkit-border-radius: 3px;
\t -moz-border-radius: 3px;
\t -ms-border-radius: 3px;
\t -o-border-radius: 3px;
\t border-radius: 3px;
\t -webkit-box-shadow: 0 1px 0 #fff, 0 -2px 5px rgba(0,0,0,0.08) inset;
\t -moz-box-shadow: 0 1px 0 #fff, 0 -2px 5px rgba(0,0,0,0.08) inset;
\t -ms-box-shadow: 0 1px 0 #fff, 0 -2px 5px rgba(0,0,0,0.08) inset;
\t -o-box-shadow: 0 1px 0 #fff, 0 -2px 5px rgba(0,0,0,0.08) inset;
\t box-shadow: 0 1px 0 #fff, 0 -2px 5px rgba(0,0,0,0.08) inset;
\t -webkit-transition: all 0.5s ease;
\t -moz-transition: all 0.5s ease;
\t -ms-transition: all 0.5s ease;
\t -o-transition: all 0.5s ease;
\t transition: all 0.5s ease;
\t background: #eae7e7 url(http://cssdeck.com/uploads/media/items/8/8bcLQqF.png) no-repeat;
\t border: 1px solid #c8c8c8;
\t color: #777;
\t font: 13px Helvetica, Arial, sans-serif;
\t margin: 0 0 10px;
\t padding: 15px 10px 15px 40px;
\t width: 80%;
}
#content form input[type="text"]:focus,
#content form input[type="password"]:focus {
\t -webkit-box-shadow: 0 0 2px #ed1c24 inset;
\t -moz-box-shadow: 0 0 2px #ed1c24 inset;
\t -ms-box-shadow: 0 0 2px #ed1c24 inset;
\t -o-box-shadow: 0 0 2px #ed1c24 inset;
\t box-shadow: 0 0 2px #ed1c24 inset;
\t background-color: #fff;
\t border: 1px solid #ed1c24;
\t outline: none;
}
#username { background-position: 10px 10px !important }
#password { background-position: 10px -53px !important }
#content form input[type="submit"] {
\t background: rgb(254,231,154);
\t background: -moz-linear-gradient(top, rgba(254,231,154,1) 0%, rgba(254,193,81,1) 100%);
\t background: -webkit-linear-gradient(top, rgba(254,231,154,1) 0%,rgba(254,193,81,1) 100%);
\t background: -o-linear-gradient(top, rgba(254,231,154,1) 0%,rgba(254,193,81,1) 100%);
\t background: -ms-linear-gradient(top, rgba(254,231,154,1) 0%,rgba(254,193,81,1) 100%);
\t background: linear-gradient(top, rgba(254,231,154,1) 0%,rgba(254,193,81,1) 100%);
\t filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fee79a', endColorstr='#fec151',GradientType=0);
\t -webkit-border-radius: 30px;
\t -moz-border-radius: 30px;
\t -ms-border-radius: 30px;
\t -o-border-radius: 30px;
\t border-radius: 30px;
\t -webkit-box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset;
\t -moz-box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset;
\t -ms-box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset;
\t -o-box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset;
\t box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset;
\t border: 1px solid #D69E31;
\t color: #85592e;
\t cursor: pointer;
\t float: left;
\t font: bold 15px Helvetica, Arial, sans-serif;
\t height: 35px;
\t margin: 20px 0 35px 15px;
\t position: relative;
\t text-shadow: 0 1px 0 rgba(255,255,255,0.5);
\t width: 120px;
}
#content form input[type="submit"]:hover {
\t background: rgb(254,193,81);
\t background: -moz-linear-gradient(top, rgba(254,193,81,1) 0%, rgba(254,231,154,1) 100%);
\t background: -webkit-linear-gradient(top, rgba(254,193,81,1) 0%,rgba(254,231,154,1) 100%);
\t background: -o-linear-gradient(top, rgba(254,193,81,1) 0%,rgba(254,231,154,1) 100%);
\t background: -ms-linear-gradient(top, rgba(254,193,81,1) 0%,rgba(254,231,154,1) 100%);
\t background: linear-gradient(top, rgba(254,193,81,1) 0%,rgba(254,231,154,1) 100%);
\t filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fec151', endColorstr='#fee79a',GradientType=0);
}
#content form div a {
\t color: #004a80;
float: right;
font-size: 12px;
margin: 30px 15px 0 0;
text-decoration: underline;
}
.button {
\t background: rgb(247,249,250);
\t background: -moz-linear-gradient(top, rgba(247,249,250,1) 0%, rgba(240,240,240,1) 100%);
\t background: -webkit-linear-gradient(top, rgba(247,249,250,1) 0%,rgba(240,240,240,1) 100%);
\t background: -o-linear-gradient(top, rgba(247,249,250,1) 0%,rgba(240,240,240,1) 100%);
\t background: -ms-linear-gradient(top, rgba(247,249,250,1) 0%,rgba(240,240,240,1) 100%);
\t background: linear-gradient(top, rgba(247,249,250,1) 0%,rgba(240,240,240,1) 100%);
\t filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f7f9fa', endColorstr='#f0f0f0',GradientType=0);
\t -webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.1) inset;
\t -moz-box-shadow: 0 1px 2px rgba(0,0,0,0.1) inset;
\t -ms-box-shadow: 0 1px 2px rgba(0,0,0,0.1) inset;
\t -o-box-shadow: 0 1px 2px rgba(0,0,0,0.1) inset;
\t box-shadow: 0 1px 2px rgba(0,0,0,0.1) inset;
\t -webkit-border-radius: 0 0 5px 5px;
\t -moz-border-radius: 0 0 5px 5px;
\t -o-border-radius: 0 0 5px 5px;
\t -ms-border-radius: 0 0 5px 5px;
\t border-radius: 0 0 5px 5px;
\t border-top: 1px solid #CFD5D9;
\t padding: 15px 0;
}
.button a {
\t background: url(http://cssdeck.com/uploads/media/items/8/8bcLQqF.png) 0 -112px no-repeat;
\t color: #7E7E7E;
\t font-size: 17px;
\t padding: 2px 0 2px 40px;
\t text-decoration: none;
\t -webkit-transition: all 0.3s ease;
\t -moz-transition: all 0.3s ease;
\t -ms-transition: all 0.3s ease;
\t -o-transition: all 0.3s ease;
\t transition: all 0.3s ease;
}
.button a:hover {
\t background-position: 0 -135px;
\t color: #00aeef;
}<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>Online Student Service Center</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<body>
<div class="container">
\t <section id="content">
\t \t <form action="php/login.php" method="POST" >
\t \t \t <h1>Login Form</h1>
\t \t \t <div>
\t \t \t \t <input type="text" placeholder="Student ID" required="" id="username" />
\t \t \t </div>
\t \t \t <div>
\t \t \t \t <input type="password" placeholder="Password" required="" id="password" />
\t \t \t </div>
\t \t \t <div>
\t \t \t \t <input type="submit" value="Log in" />
\t \t \t \t <a href="#">Lost your password?</a>
\t \t \t \t <a href="#">Register</a>
\t \t \t </div>
\t \t </form><!-- form -->
\t \t <div class="button">
\t \t \t <a href="admin.html">Admin</a>
\t \t </div><!-- button -->
<div class="button">
<a href="teacher.html">Teacher</a>
</div><!-- button -->
\t </section><!-- content -->
</div><!-- container -->
</body>
</body>
</html>也請您告訴我，我怎麼可以從數據庫
歡迎堆棧溢出。請檢查這個[鏈接]（http://stackoverflow.com/help/how-to-ask） –
請記住，SO是爲了調試，而不是爲您編寫代碼的服務。 –
okayhttp：//stackoverflow.com/users/6773269/patrick-mlr –