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淘金网站建设,b站推广网站入口2023的推广形式,网站建设亿玛酷专注,分销平台软件哪个好拥有向服务器发送登录或注册数据并接收返回数据的功能点赞关注界面源代码 <!DOCTYPE html> <html lang"en"> <head> <meta charset"UTF-8"> <title>Login and Registration Form</title> <style> * …

拥有向服务器发送登录或注册数据并接收返回数据的功能点赞关注

界面

源代码

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Login and Registration Form</title>
<style>
* {
box-sizing: border-box;
}
body {
font-family: Arial, sans-serif;
background-color: #f4f4f9;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.container {
width: 400px;
background: white;
border-radius: 10px;
padding: 20px;
box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
h2 {
color: #e74c3c;
text-align: center;
}
.form-group {
margin-bottom: 20px;
}
label {
display: block;
margin-bottom: 5px;
color: #333;
}
input[type="text"],
input[type="password"] {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
}
button {
width: 100%;
padding: 10px;
background-color: #e74c3c;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
}
button:hover {
background-color: #d93c2c;
}
.switch {
text-align: center;
color: #999;
}
.switch a {
color: #e74c3c;
text-decoration: none;
}
.error {
color: red;
margin-top: 5px;
display: none;
}
</style>
</head>
<body>
<div class="container" id="loginForm">
<h2>登录</h2>
<div class="form-group">
<label for="loginUsername">用户名</label>
<input type="text" id="loginUsername" required>
</div>
<div class="form-group">
<label for="loginPassword">密码</label>
<input type="password" id="loginPassword" required>
<span class="error" id="loginError"></span>
</div>
<button οnclick="validateAndSubmit('login')">登录</button>
<div class="switch">
没有账号? <a href="#" οnclick="switchForm('register')">注册</a>
</div>
</div>

<div class="container" id="registerForm" style="display: none;">
<h2>注册</h2>
<div class="form-group">
<label for="registerUsername">用户名</label>
<input type="text" id="registerUsername" required>
</div>
<div class="form-group">
<label for="registerPassword">密码</label>
<input type="password" id="registerPassword" required>
<span class="error" id="registerError"></span>
</div>
<button οnclick="validateAndSubmit('register')">注册</button>
<div class="switch">
已有账号? <a href="#" οnclick="switchForm('login')">登录</a>
</div>
</div>

function validatePassword(password) {
const regex = /^(?=.*[A-Z])(?=.*[a-z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{6,}$/;
return regex.test(password);
}

function validateAndSubmit(action) {
let username, password, errorElement;
if (action === 'login') {
username = document.getElementById('loginUsername').value;
password = document.getElementById('loginPassword').value;
errorElement = document.getElementById('loginError');
} else {
username = document.getElementById('registerUsername').value;
password = document.getElementById('registerPassword').value;
errorElement = document.getElementById('registerError');
}

if (!username || !password) {
errorElement.textContent = "请填写所有";
errorElement.style.display = "block";
return;
}

if (!validatePassword(password)) {
errorElement.textContent = "密码中必须包含大写小写字母数字特殊符号，且密码长度大于六位";
errorElement.style.display = "block";
return;
}

errorElement.style.display = "none";

const data = new FormData();
data.append('username', username);
data.append('password', password);

fetch('/api/' + action, {
method: 'POST',
body: data
})
.then(response => response.json())
.then(data => {
console.log(data);
alert('正确!');
})
.catch(error => {
console.error(error);
alert('错误失败');
});
}
</script>
</body>
</html>