zhaoruhui
2 months ago
3 changed files with 494 additions and 7 deletions
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<!DOCTYPE html> |
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<html lang="zh-CN"> |
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|
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<head> |
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<meta charset="UTF-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
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<title>系统登录</title> |
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<style> |
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* { |
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margin: 0; |
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padding: 0; |
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box-sizing: border-box; |
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font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif; |
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} |
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|
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body { |
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background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%); |
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display: flex; |
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justify-content: center; |
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align-items: center; |
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min-height: 100vh; |
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padding: 20px; |
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} |
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.login-container { |
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background-color: white; |
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border-radius: 12px; |
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); |
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width: 100%; |
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max-width: 420px; |
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padding: 40px 30px; |
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transition: transform 0.3s ease; |
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} |
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.login-container:hover { |
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transform: translateY(-5px); |
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} |
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.login-header { |
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text-align: center; |
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margin-bottom: 30px; |
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} |
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.login-header h1 { |
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color: #333; |
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font-size: 28px; |
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margin-bottom: 8px; |
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} |
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.login-header p { |
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color: #666; |
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font-size: 16px; |
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} |
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.form-group { |
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margin-bottom: 20px; |
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} |
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label { |
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display: block; |
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margin-bottom: 8px; |
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color: #555; |
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font-weight: 500; |
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} |
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input { |
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width: 100%; |
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padding: 14px 16px; |
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border: 1px solid #ddd; |
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border-radius: 8px; |
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font-size: 16px; |
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transition: all 0.3s; |
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} |
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input:focus { |
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border-color: #4a90e2; |
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box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2); |
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outline: none; |
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} |
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.error-message { |
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color: #e74c3c; |
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font-size: 14px; |
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margin-top: 5px; |
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display: none; |
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} |
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|
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.login-button { |
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background: linear-gradient(to right, #6a11cb, #2575fc); |
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color: white; |
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border: none; |
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border-radius: 8px; |
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padding: 14px; |
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font-size: 16px; |
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font-weight: 600; |
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cursor: pointer; |
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width: 100%; |
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transition: all 0.3s; |
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margin-top: 10px; |
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} |
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.login-button:hover { |
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background: linear-gradient(to right, #5a0db5, #1c68e8); |
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box-shadow: 0 5px 15px rgba(37, 117, 252, 0.4); |
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} |
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.login-button:active { |
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transform: scale(0.98); |
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} |
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.login-footer { |
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text-align: center; |
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margin-top: 25px; |
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color: #777; |
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font-size: 14px; |
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} |
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.alert { |
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padding: 12px 16px; |
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border-radius: 8px; |
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margin-bottom: 20px; |
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display: none; |
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} |
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.alert-error { |
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background-color: #ffebee; |
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color: #c62828; |
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border: 1px solid #ffcdd2; |
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} |
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.alert-success { |
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background-color: #e8f5e9; |
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color: #2e7d32; |
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border: 1px solid #c8e6c9; |
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} |
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.password-requirements { |
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font-size: 12px; |
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color: #777; |
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margin-top: 5px; |
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} |
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.input-error { |
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border-color: #e74c3c; |
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box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2); |
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} |
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</style> |
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</head> |
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<body> |
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<div class="login-container"> |
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<div class="login-header"> |
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<h1>系统登录</h1> |
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<p>请输入您的账号和密码</p> |
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</div> |
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<div id="usernameAlert" class="alert alert-error"> |
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账号不存在，请检查后重试！ |
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</div> |
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<div id="passwordAlert" class="alert alert-error"> |
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密码错误，请检查后重试！ |
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</div> |
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<form id="loginForm"> |
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<div class="form-group"> |
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<label for="username">账号</label> |
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<input type="text" id="username" name="username" placeholder="请输入账号" required> |
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<div class="error-message" id="usernameError">账号不能为空</div> |
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</div> |
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<div class="form-group"> |
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<label for="password">密码</label> |
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<input type="password" id="password" name="password" placeholder="请输入密码" required> |
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<div class="error-message" id="passwordError">密码不能为空</div> |
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<div class="password-requirements">密码必须为8位数字</div> |
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</div> |
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<button type="submit" class="login-button">登录</button> |
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</form> |
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</div> |
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<script> |
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document.addEventListener('DOMContentLoaded', function () { |
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const loginForm = document.getElementById('loginForm'); |
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const usernameInput = document.getElementById('username'); |
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const passwordInput = document.getElementById('password'); |
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const usernameError = document.getElementById('usernameError'); |
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const passwordError = document.getElementById('passwordError'); |
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const usernameAlert = document.getElementById('usernameAlert'); |
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const passwordAlert = document.getElementById('passwordAlert'); |
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// 正确的账号和密码 |
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const CORRECT_USERNAME = 'admin'; |
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const CORRECT_PASSWORD = '20251107'; |
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// 表单提交事件 |
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loginForm.addEventListener('submit', function (e) { |
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e.preventDefault(); |
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// 重置错误状态 |
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resetErrors(); |
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// 获取表单数据 |
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const username = usernameInput.value.trim(); |
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const password = passwordInput.value.trim(); |
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// 表单验证 |
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let isValid = true; |
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if (!username) { |
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showError(usernameError, '账号不能为空'); |
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usernameInput.classList.add('input-error'); |
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isValid = false; |
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} |
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if (!password) { |
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showError(passwordError, '密码不能为空'); |
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passwordInput.classList.add('input-error'); |
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isValid = false; |
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} else if (!/^\d{8}$/.test(password)) { |
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showError(passwordError, '密码必须为8位数字'); |
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passwordInput.classList.add('input-error'); |
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isValid = false; |
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} |
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// 如果验证通过，尝试登录 |
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if (isValid) { |
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// 验证账号密码 |
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if (username === CORRECT_USERNAME && password === CORRECT_PASSWORD) { |
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// 登录成功，保存登录状态 |
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localStorage.setItem('isLoggedIn', 'true'); |
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localStorage.setItem('loginTime', new Date().getTime()); |
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// 显示成功消息（短暂显示后跳转） |
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showSuccessMessage(); |
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// 延迟跳转，让用户看到成功消息 |
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setTimeout(function () { |
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window.location.href = 'hcdbqb-management.html'; |
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}, 1000); |
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} else { |
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// 登录失败，明确提示是账号还是密码错误 |
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if (username !== CORRECT_USERNAME) { |
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usernameAlert.style.display = 'block'; |
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usernameInput.classList.add('input-error'); |
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usernameInput.focus(); |
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} else { |
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passwordAlert.style.display = 'block'; |
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passwordInput.classList.add('input-error'); |
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passwordInput.value = ''; |
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passwordInput.focus(); |
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} |
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} |
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} |
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}); |
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|
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// 实时验证 |
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usernameInput.addEventListener('blur', function () { |
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if (!this.value.trim()) { |
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showError(usernameError, '账号不能为空'); |
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this.classList.add('input-error'); |
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} else { |
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hideError(usernameError); |
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this.classList.remove('input-error'); |
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} |
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}); |
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|
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passwordInput.addEventListener('blur', function () { |
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const password = this.value.trim(); |
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if (!password) { |
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showError(passwordError, '密码不能为空'); |
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this.classList.add('input-error'); |
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} else if (!/^\d{8}$/.test(password)) { |
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showError(passwordError, '密码必须为8位数字'); |
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this.classList.add('input-error'); |
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} else { |
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hideError(passwordError); |
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this.classList.remove('input-error'); |
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} |
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}); |
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|
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// 输入时隐藏错误提示 |
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usernameInput.addEventListener('input', function () { |
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hideError(usernameError); |
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hideAlert(usernameAlert); |
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this.classList.remove('input-error'); |
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}); |
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|
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passwordInput.addEventListener('input', function () { |
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hideError(passwordError); |
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hideAlert(passwordAlert); |
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this.classList.remove('input-error'); |
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}); |
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|
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// 辅助函数 |
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function showError(element, message) { |
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element.textContent = message; |
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element.style.display = 'block'; |
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} |
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|
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function hideError(element) { |
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element.style.display = 'none'; |
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} |
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|
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function hideAlert(alertElement) { |
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alertElement.style.display = 'none'; |
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} |
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|
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function resetErrors() { |
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hideError(usernameError); |
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hideError(passwordError); |
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hideAlert(usernameAlert); |
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hideAlert(passwordAlert); |
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usernameInput.classList.remove('input-error'); |
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passwordInput.classList.remove('input-error'); |
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} |
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|
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function showSuccessMessage() { |
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// 临时创建一个成功提示 |
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const successAlert = document.createElement('div'); |
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successAlert.className = 'alert alert-success'; |
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successAlert.textContent = '登录成功，正在跳转...'; |
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usernameAlert.parentNode.insertBefore(successAlert, usernameAlert); |
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successAlert.style.display = 'block'; |
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// 移除错误提示（如果有） |
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hideAlert(usernameAlert); |
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hideAlert(passwordAlert); |
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} |
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|
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// 检查是否已经登录（如果已经登录，直接跳转） |
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if (localStorage.getItem('isLoggedIn') === 'true') { |
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// 检查登录时间，如果超过24小时需要重新登录 |
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const loginTime = parseInt(localStorage.getItem('loginTime')); |
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const currentTime = new Date().getTime(); |
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const hoursDiff = (currentTime - loginTime) / (1000 * 60 * 60); |
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|
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if (hoursDiff < 24) { |
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window.location.href = 'hcdbqb-management.html'; |
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} else { |
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// 超过24小时，清除登录状态 |
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localStorage.removeItem('isLoggedIn'); |
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localStorage.removeItem('loginTime'); |
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} |
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} |
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}); |
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</script> |
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</body> |
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</html> |
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