jquery登录界面
时间: 2023-12-18 15:04:59 浏览: 25
以下是一个使用jQuery实现的登录界面的示例代码:
```html
<!DOCTYPE html>
<html>
<head>
<title>Login Page</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
type="text/css">
body {
background-color: #f2f2f2;
font-family: Arial, sans-serif;
}
.container {
margin: 100px auto;
width: 400px;
background-color: #fff;
padding: 20px;
border-radius: 5px;
box-shadow: 0px 0px 10px #999;
}
h2 {
text-align: center;
margin-bottom: 30px;
}
input[type="text"], input[type="password"] {
width: 100%;
padding: 10px;
margin-bottom: 20px;
border-radius: 5px;
border: none;
box-shadow: 0px 0px 5px #999;
}
input[type="submit"] {
background-color: #4CAF50;
color: #fff;
padding: 10px;
border: none;
border-radius: 5px;
cursor: pointer;
width: 100%;
}
input[type="submit"]:hover {
background-color: #3e8e41;
}
.error {
color: red;
margin-bottom: 10px;
}
</style>
<script type="text/javascript">
$(document).ready(function() {
$("#login-form").submit(function(event) {
event.preventDefault();
var username = $("#username").val();
var password = $("#password").val();
if (username == "" || password == "") {
$(".error").html("Please enter both username and password.");
} else {
$(".error").html("");
$.ajax({
url: "login.php",
type: "POST",
data: {username: username, password: password},
success: function(response) {
if (response == "success") {
window.location.href = "home.php";
} else {
$(".error").html("Invalid username or password.");
}
}
});
}
});
});
</script>
</head>
<body>
<div class="container">
<h2>Login</h2>
<form id="login-form">
<label>Username:</label>
<input type="text" id="username" name="username">
<label>Password:</label>
<input type="password" id="password" name="password">
<input type="submit" value="Login">
<div class="error"></div>
</form>
</div>
</body>
</html>
```
这个示例代码包含一个登录表单,当用户点击“登录”按钮时,使用jQuery的ajax方法向服务器发送POST请求,将用户名和密码作为数据发送。服务器返回“success”表示登录成功,此时页面跳转到home.php页面;否则,显示错误信息“Invalid username or password.”。