459 lines
19 KiB
HTML
459 lines
19 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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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>成绩录入 - XX学校成绩管理系统</title>
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<link rel="stylesheet" href="../css/style.css">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
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</head>
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<body>
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<!-- 导航栏 -->
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<nav class="navbar">
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<div class="navbar-brand">
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<a href="index.html"><i class="fas fa-graduation-cap"></i> XX学校成绩管理系统</a>
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</div>
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<div class="navbar-menu">
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<a href="teacher_dashboard.html" class="navbar-item"><i class="fas fa-tachometer-alt"></i> 教师仪表板</a>
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<a href="grade_entry.html" class="navbar-item active"><i class="fas fa-edit"></i> 成绩录入</a>
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<a href="grade_management.html" class="navbar-item"><i class="fas fa-list"></i> 成绩管理</a>
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<div class="user-info">
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<span class="user-name">李老师</span>
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<span class="user-role">教师</span>
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<a href="login.html" class="btn btn-outline btn-small"><i class="fas fa-sign-out-alt"></i> 退出</a>
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</div>
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</div>
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</nav>
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<!-- 面包屑导航 -->
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<div class="container">
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<div class="breadcrumb">
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<a href="index.html">主页</a>
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<i class="fas fa-chevron-right"></i>
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<a href="teacher_dashboard.html">教师仪表板</a>
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<i class="fas fa-chevron-right"></i>
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<span>成绩录入</span>
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</div>
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</div>
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<!-- 主内容区 -->
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<div class="grade-entry-container">
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<div class="entry-header">
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<h1><i class="fas fa-edit"></i> 成绩录入</h1>
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<p>请选择班级和课程，然后为每个学生录入成绩</p>
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</div>
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<div class="entry-form">
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<div class="form-row">
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<div class="form-group">
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<label for="class-select"><i class="fas fa-users"></i> 选择班级</label>
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<select id="class-select" class="form-control">
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<option value="">请选择班级</option>
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<option value="class1">计算机科学与技术2021级1班</option>
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<option value="class2">计算机科学与技术2021级2班</option>
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<option value="class3">软件工程2021级1班</option>
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<option value="class4">软件工程2021级2班</option>
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<option value="class5">网络工程2021级1班</option>
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</select>
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</div>
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<div class="form-group">
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<label for="course-name"><i class="fas fa-book"></i> 课程名称</label>
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<input type="text" id="course-name" placeholder="请输入课程名称，如：数据结构、操作系统等">
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</div>
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</div>
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<div class="form-group">
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<label for="exam-date"><i class="fas fa-calendar-alt"></i> 考试日期</label>
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<input type="date" id="exam-date">
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</div>
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<div class="form-group">
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<label><i class="fas fa-info-circle"></i> 备注说明（可选）</label>
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<textarea id="remarks" rows="3" placeholder="可输入本次考试的说明信息，如：期中考试、期末考试等"></textarea>
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</div>
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<div class="students-table-container">
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<h3><i class="fas fa-user-graduate"></i> 学生成绩录入</h3>
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<p class="text-muted">选择班级后，系统将自动加载该班级的学生列表</p>
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<div id="students-loading" class="loading" style="display: none;">
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<i class="fas fa-spinner"></i>
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<p>正在加载学生列表...</p>
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</div>
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<div id="no-students" class="no-students" style="display: none;">
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<i class="fas fa-user-slash"></i>
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<p>该班级暂无学生数据，请先添加学生信息</p>
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</div>
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<table id="students-table" class="students-table" style="display: none;">
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<thead>
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<tr>
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<th>学号</th>
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<th>姓名</th>
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<th>平时成绩</th>
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<th>期中成绩</th>
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<th>期末成绩</th>
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<th>总评成绩</th>
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</tr>
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</thead>
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<tbody id="students-tbody">
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<!-- 学生数据将通过JavaScript动态加载 -->
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</tbody>
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</table>
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</div>
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<div class="form-actions">
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<button id="cancel-btn" class="btn btn-secondary btn-large">
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<i class="fas fa-times"></i> 取消
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</button>
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<button id="submit-btn" class="btn btn-primary btn-large" disabled>
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<i class="fas fa-check"></i> 提交成绩
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</button>
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</div>
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</div>
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<div class="card">
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<h3><i class="fas fa-lightbulb"></i> 使用说明</h3>
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<ul class="text-muted">
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<li>首先选择要录入成绩的班级和课程</li>
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<li>系统会自动加载该班级的学生列表</li>
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<li>为每个学生输入平时成绩、期中成绩和期末成绩</li>
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<li>总评成绩将根据权重自动计算（默认权重：平时20%，期中30%，期末50%）</li>
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<li>确认无误后点击“提交成绩”按钮保存数据</li>
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<li>提交后可以在“成绩管理”页面查看和修改已录入的成绩</li>
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</ul>
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</div>
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</div>
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<!-- JavaScript -->
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<script>
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// 模拟学生数据
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const mockStudents = [
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{ id: '2021001', name: '张三', usual: '', midterm: '', final: '', total: '' },
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{ id: '2021002', name: '李四', usual: '', midterm: '', final: '', total: '' },
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{ id: '2021003', name: '王五', usual: '', midterm: '', final: '', total: '' },
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{ id: '2021004', name: '赵六', usual: '', midterm: '', final: '', total: '' },
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{ id: '2021005', name: '钱七', usual: '', midterm: '', final: '', total: '' },
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{ id: '2021006', name: '孙八', usual: '', midterm: '', final: '', total: '' },
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{ id: '2021007', name: '周九', usual: '', midterm: '', final: '', total: '' },
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{ id: '2021008', name: '吴十', usual: '', midterm: '', final: '', total: '' }
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];
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// DOM元素
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const classSelect = document.getElementById('class-select');
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const courseNameInput = document.getElementById('course-name');
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const examDateInput = document.getElementById('exam-date');
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const remarksInput = document.getElementById('remarks');
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const studentsLoading = document.getElementById('students-loading');
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const noStudents = document.getElementById('no-students');
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const studentsTable = document.getElementById('students-table');
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const studentsTbody = document.getElementById('students-tbody');
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const cancelBtn = document.getElementById('cancel-btn');
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const submitBtn = document.getElementById('submit-btn');
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// 设置默认考试日期为今天
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const today = new Date().toISOString().split('T')[0];
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examDateInput.value = today;
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// 班级选择变化事件
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classSelect.addEventListener('change', function() {
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const selectedClass = this.value;
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if (!selectedClass) {
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hideStudentsTable();
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submitBtn.disabled = true;
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return;
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}
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// 显示加载状态
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showLoading();
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// 模拟API调用延迟
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setTimeout(() => {
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loadStudentsForClass(selectedClass);
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}, 1000);
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});
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// 加载学生数据
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function loadStudentsForClass(className) {
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// 模拟API响应
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if (mockStudents.length > 0) {
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renderStudentsTable(mockStudents);
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} else {
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showNoStudents();
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}
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}
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// 渲染学生表格
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function renderStudentsTable(students) {
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hideLoading();
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// 清空表格
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studentsTbody.innerHTML = '';
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// 添加学生行
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students.forEach((student, index) => {
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const row = document.createElement('tr');
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row.innerHTML = `
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<td>${student.id}</td>
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<td>${student.name}</td>
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<td>
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<input type="number" class="grade-input usual-grade"
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data-index="${index}" min="0" max="100"
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placeholder="0-100" value="${student.usual}">
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</td>
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<td>
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<input type="number" class="grade-input midterm-grade"
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data-index="${index}" min="0" max="100"
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placeholder="0-100" value="${student.midterm}">
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</td>
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<td>
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<input type="number" class="grade-input final-grade"
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data-index="${index}" min="0" max="100"
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placeholder="0-100" value="${student.final}">
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</td>
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<td>
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<span class="total-grade" data-index="${index}">${student.total || ''}</span>
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</td>
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`;
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studentsTbody.appendChild(row);
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});
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// 显示表格
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studentsTable.style.display = 'table';
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noStudents.style.display = 'none';
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// 启用提交按钮
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submitBtn.disabled = false;
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// 添加成绩输入事件监听
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addGradeInputListeners();
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}
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// 显示加载状态
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function showLoading() {
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studentsLoading.style.display = 'block';
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studentsTable.style.display = 'none';
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noStudents.style.display = 'none';
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}
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// 隐藏加载状态
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function hideLoading() {
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studentsLoading.style.display = 'none';
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}
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// 显示无学生数据
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function showNoStudents() {
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hideLoading();
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studentsTable.style.display = 'none';
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noStudents.style.display = 'block';
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}
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// 隐藏学生表格
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function hideStudentsTable() {
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studentsTable.style.display = 'none';
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noStudents.style.display = 'none';
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}
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// 添加成绩输入事件监听
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function addGradeInputListeners() {
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const usualGrades = document.querySelectorAll('.usual-grade');
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const midtermGrades = document.querySelectorAll('.midterm-grade');
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const finalGrades = document.querySelectorAll('.final-grade');
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usualGrades.forEach(input => {
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input.addEventListener('input', calculateTotalGrade);
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});
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midtermGrades.forEach(input => {
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input.addEventListener('input', calculateTotalGrade);
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});
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finalGrades.forEach(input => {
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input.addEventListener('input', calculateTotalGrade);
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});
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}
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// 计算总评成绩
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function calculateTotalGrade(event) {
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const input = event.target;
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const index = input.getAttribute('data-index');
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// 获取三个成绩
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const usualInput = document.querySelector(`.usual-grade[data-index="${index}"]`);
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const midtermInput = document.querySelector(`.midterm-grade[data-index="${index}"]`);
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const finalInput = document.querySelector(`.final-grade[data-index="${index}"]`);
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const totalSpan = document.querySelector(`.total-grade[data-index="${index}"]`);
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const usual = parseFloat(usualInput.value) || 0;
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const midterm = parseFloat(midtermInput.value) || 0;
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const final = parseFloat(finalInput.value) || 0;
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// 计算总评成绩（权重：平时20%，期中30%，期末50%）
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const total = (usual * 0.2) + (midterm * 0.3) + (final * 0.5);
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// 显示总评成绩（四舍五入到整数）
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totalSpan.textContent = Math.round(total);
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// 根据成绩范围设置颜色
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if (total >= 90) {
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totalSpan.style.color = '#38a169';
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totalSpan.style.fontWeight = 'bold';
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} else if (total >= 60) {
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totalSpan.style.color = '#d69e2e';
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totalSpan.style.fontWeight = 'normal';
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} else {
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totalSpan.style.color = '#e53e3e';
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totalSpan.style.fontWeight = 'bold';
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}
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}
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// 表单验证
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function validateForm() {
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const className = classSelect.value;
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const courseName = courseNameInput.value.trim();
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if (!className) {
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alert('请选择班级');
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return false;
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}
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if (!courseName) {
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alert('请输入课程名称');
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courseNameInput.focus();
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return false;
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}
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// 检查是否有学生成绩未填写
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const usualGrades = document.querySelectorAll('.usual-grade');
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const midtermGrades = document.querySelectorAll('.midterm-grade');
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const finalGrades = document.querySelectorAll('.final-grade');
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for (let i = 0; i < usualGrades.length; i++) {
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const usual = usualGrades[i].value.trim();
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const midterm = midtermGrades[i].value.trim();
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const final = finalGrades[i].value.trim();
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if (!usual || !midterm || !final) {
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alert(`请填写第${i + 1}行学生的所有成绩`);
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return false;
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}
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const usualNum = parseFloat(usual);
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const midtermNum = parseFloat(midterm);
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const finalNum = parseFloat(final);
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if (usualNum < 0 || usualNum > 100 ||
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midtermNum < 0 || midtermNum > 100 ||
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finalNum < 0 || finalNum > 100) {
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alert(`第${i + 1}行学生的成绩必须在0-100之间`);
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return false;
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}
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}
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return true;
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}
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// 收集表单数据
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function collectFormData() {
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const className = classSelect.options[classSelect.selectedIndex].text;
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const courseName = courseNameInput.value.trim();
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const examDate = examDateInput.value;
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const remarks = remarksInput.value.trim();
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const grades = [];
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const rows = studentsTbody.querySelectorAll('tr');
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rows.forEach((row, index) => {
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const studentId = row.cells[0].textContent;
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const studentName = row.cells[1].textContent;
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const usual = row.cells[2].querySelector('input').value;
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const midterm = row.cells[3].querySelector('input').value;
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const final = row.cells[4].querySelector('input').value;
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const total = row.cells[5].querySelector('span').textContent;
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grades.push({
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studentId,
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studentName,
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usual: parseFloat(usual),
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midterm: parseFloat(midterm),
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final: parseFloat(final),
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total: parseFloat(total)
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});
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});
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return {
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className,
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courseName,
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examDate,
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remarks,
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grades
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};
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}
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// 提交表单
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function submitForm() {
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if (!validateForm()) {
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return;
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}
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const formData = collectFormData();
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// 显示提交中状态
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submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 提交中...';
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submitBtn.disabled = true;
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// 模拟API调用
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setTimeout(() => {
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// 模拟成功响应
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alert(`成绩提交成功！\n班级：${formData.className}\n课程：${formData.courseName}\n共录入${formData.grades.length}名学生成绩`);
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// 重置按钮状态
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submitBtn.innerHTML = '<i class="fas fa-check"></i> 提交成绩';
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submitBtn.disabled = false;
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// 重置表单
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resetForm();
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}, 1500);
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}
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// 重置表单
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function resetForm() {
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classSelect.value = '';
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courseNameInput.value = '';
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examDateInput.value = today;
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remarksInput.value = '';
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// 清空学生表格
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studentsTbody.innerHTML = '';
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studentsTable.style.display = 'none';
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noStudents.style.display = 'none';
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// 禁用提交按钮
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submitBtn.disabled = true;
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}
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// 取消按钮事件
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cancelBtn.addEventListener('click', function() {
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if (confirm('确定要取消吗？所有未保存的更改将会丢失。')) {
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resetForm();
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}
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});
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// 提交按钮事件
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submitBtn.addEventListener('click', submitForm);
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// 页面加载时初始化
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document.addEventListener('DOMContentLoaded', function() {
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// 检查是否有必要的数据
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if (!classSelect.value) {
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submitBtn.disabled = true;
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}
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});
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</script>
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</body>
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</html> |