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WebWork/frontend/html/grade_entry.html
2025-12-21 21:50:37 +08:00

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>成绩录入 - XX学校成绩管理系统</title>
<link rel="stylesheet" href="../css/style.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
</head>
<body>
<!-- 导航栏 -->
<nav class="navbar">
<div class="navbar-brand">
<a href="index.html"><i class="fas fa-graduation-cap"></i> XX学校成绩管理系统</a>
</div>
<div class="navbar-menu">
<a href="teacher_dashboard.html" class="navbar-item"><i class="fas fa-tachometer-alt"></i> 教师仪表板</a>
<a href="grade_entry.html" class="navbar-item active"><i class="fas fa-edit"></i> 成绩录入</a>
<a href="grade_management.html" class="navbar-item"><i class="fas fa-list"></i> 成绩管理</a>
<div class="user-info">
<span class="user-name">李老师</span>
<span class="user-role">教师</span>
<a href="login.html" class="btn btn-outline btn-small"><i class="fas fa-sign-out-alt"></i> 退出</a>
</div>
</div>
</nav>
<!-- 面包屑导航 -->
<div class="container">
<div class="breadcrumb">
<a href="index.html">主页</a>
<i class="fas fa-chevron-right"></i>
<a href="teacher_dashboard.html">教师仪表板</a>
<i class="fas fa-chevron-right"></i>
<span>成绩录入</span>
</div>
</div>
<!-- 主内容区 -->
<div class="grade-entry-container">
<div class="entry-header">
<h1><i class="fas fa-edit"></i> 成绩录入</h1>
<p>请选择班级和课程,然后为每个学生录入成绩</p>
</div>
<div class="entry-form">
<div class="form-row">
<div class="form-group">
<label for="class-select"><i class="fas fa-users"></i> 选择班级</label>
<select id="class-select" class="form-control">
<option value="">请选择班级</option>
<option value="class1">计算机科学与技术2021级1班</option>
<option value="class2">计算机科学与技术2021级2班</option>
<option value="class3">软件工程2021级1班</option>
<option value="class4">软件工程2021级2班</option>
<option value="class5">网络工程2021级1班</option>
</select>
</div>
<div class="form-group">
<label for="course-name"><i class="fas fa-book"></i> 课程名称</label>
<input type="text" id="course-name" placeholder="请输入课程名称,如:数据结构、操作系统等">
</div>
</div>
<div class="form-group">
<label for="exam-date"><i class="fas fa-calendar-alt"></i> 考试日期</label>
<input type="date" id="exam-date">
</div>
<div class="form-group">
<label><i class="fas fa-info-circle"></i> 备注说明(可选)</label>
<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>
</div>
<div class="students-table-container">
<h3><i class="fas fa-user-graduate"></i> 学生成绩录入</h3>
<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>
<div id="students-loading" class="loading" style="display: none;">
<i class="fas fa-spinner"></i>
<p>正在加载学生列表...</p>
</div>
<div id="no-students" class="no-students" style="display: none;">
<i class="fas fa-user-slash"></i>
<p>该班级暂无学生数据,请先添加学生信息</p>
</div>
<table id="students-table" class="students-table" style="display: none;">
<thead>
<tr>
<th>学号</th>
<th>姓名</th>
<th>平时成绩</th>
<th>期中成绩</th>
<th>期末成绩</th>
<th>总评成绩</th>
</tr>
</thead>
<tbody id="students-tbody">
<!-- 学生数据将通过JavaScript动态加载 -->
</tbody>
</table>
</div>
<div class="form-actions">
<button id="cancel-btn" class="btn btn-secondary btn-large">
<i class="fas fa-times"></i> 取消
</button>
<button id="submit-btn" class="btn btn-primary btn-large" disabled>
<i class="fas fa-check"></i> 提交成绩
</button>
</div>
</div>
<div class="card">
<h3><i class="fas fa-lightbulb"></i> 使用说明</h3>
<ul class="text-muted">
<li>首先选择要录入成绩的班级和课程</li>
<li>系统会自动加载该班级的学生列表</li>
<li>为每个学生输入平时成绩、期中成绩和期末成绩</li>
<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>
<li>确认无误后点击“提交成绩”按钮保存数据</li>
<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>
</ul>
</div>
</div>
<!-- JavaScript -->
<script>
// 模拟学生数据
const mockStudents = [
{ id: '2021001', name: '张三', usual: '', midterm: '', final: '', total: '' },
{ id: '2021002', name: '李四', usual: '', midterm: '', final: '', total: '' },
{ id: '2021003', name: '王五', usual: '', midterm: '', final: '', total: '' },
{ id: '2021004', name: '赵六', usual: '', midterm: '', final: '', total: '' },
{ id: '2021005', name: '钱七', usual: '', midterm: '', final: '', total: '' },
{ id: '2021006', name: '孙八', usual: '', midterm: '', final: '', total: '' },
{ id: '2021007', name: '周九', usual: '', midterm: '', final: '', total: '' },
{ id: '2021008', name: '吴十', usual: '', midterm: '', final: '', total: '' }
];
// DOM元素
const classSelect = document.getElementById('class-select');
const courseNameInput = document.getElementById('course-name');
const examDateInput = document.getElementById('exam-date');
const remarksInput = document.getElementById('remarks');
const studentsLoading = document.getElementById('students-loading');
const noStudents = document.getElementById('no-students');
const studentsTable = document.getElementById('students-table');
const studentsTbody = document.getElementById('students-tbody');
const cancelBtn = document.getElementById('cancel-btn');
const submitBtn = document.getElementById('submit-btn');
// 设置默认考试日期为今天
const today = new Date().toISOString().split('T')[0];
examDateInput.value = today;
// 班级选择变化事件
classSelect.addEventListener('change', function() {
const selectedClass = this.value;
if (!selectedClass) {
hideStudentsTable();
submitBtn.disabled = true;
return;
}
// 显示加载状态
showLoading();
// 模拟API调用延迟
setTimeout(() => {
loadStudentsForClass(selectedClass);
}, 1000);
});
// 加载学生数据
function loadStudentsForClass(className) {
// 模拟API响应
if (mockStudents.length > 0) {
renderStudentsTable(mockStudents);
} else {
showNoStudents();
}
}
// 渲染学生表格
function renderStudentsTable(students) {
hideLoading();
// 清空表格
studentsTbody.innerHTML = '';
// 添加学生行
students.forEach((student, index) => {
const row = document.createElement('tr');
row.innerHTML = `
<td>${student.id}</td>
<td>${student.name}</td>
<td>
<input type="number" class="grade-input usual-grade"
data-index="${index}" min="0" max="100"
placeholder="0-100" value="${student.usual}">
</td>
<td>
<input type="number" class="grade-input midterm-grade"
data-index="${index}" min="0" max="100"
placeholder="0-100" value="${student.midterm}">
</td>
<td>
<input type="number" class="grade-input final-grade"
data-index="${index}" min="0" max="100"
placeholder="0-100" value="${student.final}">
</td>
<td>
<span class="total-grade" data-index="${index}">${student.total || ''}</span>
</td>
`;
studentsTbody.appendChild(row);
});
// 显示表格
studentsTable.style.display = 'table';
noStudents.style.display = 'none';
// 启用提交按钮
submitBtn.disabled = false;
// 添加成绩输入事件监听
addGradeInputListeners();
}
// 显示加载状态
function showLoading() {
studentsLoading.style.display = 'block';
studentsTable.style.display = 'none';
noStudents.style.display = 'none';
}
// 隐藏加载状态
function hideLoading() {
studentsLoading.style.display = 'none';
}
// 显示无学生数据
function showNoStudents() {
hideLoading();
studentsTable.style.display = 'none';
noStudents.style.display = 'block';
}
// 隐藏学生表格
function hideStudentsTable() {
studentsTable.style.display = 'none';
noStudents.style.display = 'none';
}
// 添加成绩输入事件监听
function addGradeInputListeners() {
const usualGrades = document.querySelectorAll('.usual-grade');
const midtermGrades = document.querySelectorAll('.midterm-grade');
const finalGrades = document.querySelectorAll('.final-grade');
usualGrades.forEach(input => {
input.addEventListener('input', calculateTotalGrade);
});
midtermGrades.forEach(input => {
input.addEventListener('input', calculateTotalGrade);
});
finalGrades.forEach(input => {
input.addEventListener('input', calculateTotalGrade);
});
}
// 计算总评成绩
function calculateTotalGrade(event) {
const input = event.target;
const index = input.getAttribute('data-index');
// 获取三个成绩
const usualInput = document.querySelector(`.usual-grade[data-index="${index}"]`);
const midtermInput = document.querySelector(`.midterm-grade[data-index="${index}"]`);
const finalInput = document.querySelector(`.final-grade[data-index="${index}"]`);
const totalSpan = document.querySelector(`.total-grade[data-index="${index}"]`);
const usual = parseFloat(usualInput.value) || 0;
const midterm = parseFloat(midtermInput.value) || 0;
const final = parseFloat(finalInput.value) || 0;
// 计算总评成绩权重平时20%期中30%期末50%
const total = (usual * 0.2) + (midterm * 0.3) + (final * 0.5);
// 显示总评成绩(四舍五入到整数)
totalSpan.textContent = Math.round(total);
// 根据成绩范围设置颜色
if (total >= 90) {
totalSpan.style.color = '#38a169';
totalSpan.style.fontWeight = 'bold';
} else if (total >= 60) {
totalSpan.style.color = '#d69e2e';
totalSpan.style.fontWeight = 'normal';
} else {
totalSpan.style.color = '#e53e3e';
totalSpan.style.fontWeight = 'bold';
}
}
// 表单验证
function validateForm() {
const className = classSelect.value;
const courseName = courseNameInput.value.trim();
if (!className) {
alert('请选择班级');
return false;
}
if (!courseName) {
alert('请输入课程名称');
courseNameInput.focus();
return false;
}
// 检查是否有学生成绩未填写
const usualGrades = document.querySelectorAll('.usual-grade');
const midtermGrades = document.querySelectorAll('.midterm-grade');
const finalGrades = document.querySelectorAll('.final-grade');
for (let i = 0; i < usualGrades.length; i++) {
const usual = usualGrades[i].value.trim();
const midterm = midtermGrades[i].value.trim();
const final = finalGrades[i].value.trim();
if (!usual || !midterm || !final) {
alert(`请填写第${i + 1}行学生的所有成绩`);
return false;
}
const usualNum = parseFloat(usual);
const midtermNum = parseFloat(midterm);
const finalNum = parseFloat(final);
if (usualNum < 0 || usualNum > 100 ||
midtermNum < 0 || midtermNum > 100 ||
finalNum < 0 || finalNum > 100) {
alert(`${i + 1}行学生的成绩必须在0-100之间`);
return false;
}
}
return true;
}
// 收集表单数据
function collectFormData() {
const className = classSelect.options[classSelect.selectedIndex].text;
const courseName = courseNameInput.value.trim();
const examDate = examDateInput.value;
const remarks = remarksInput.value.trim();
const grades = [];
const rows = studentsTbody.querySelectorAll('tr');
rows.forEach((row, index) => {
const studentId = row.cells[0].textContent;
const studentName = row.cells[1].textContent;
const usual = row.cells[2].querySelector('input').value;
const midterm = row.cells[3].querySelector('input').value;
const final = row.cells[4].querySelector('input').value;
const total = row.cells[5].querySelector('span').textContent;
grades.push({
studentId,
studentName,
usual: parseFloat(usual),
midterm: parseFloat(midterm),
final: parseFloat(final),
total: parseFloat(total)
});
});
return {
className,
courseName,
examDate,
remarks,
grades
};
}
// 提交表单
function submitForm() {
if (!validateForm()) {
return;
}
const formData = collectFormData();
// 显示提交中状态
submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 提交中...';
submitBtn.disabled = true;
// 模拟API调用
setTimeout(() => {
// 模拟成功响应
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`);
// 重置按钮状态
submitBtn.innerHTML = '<i class="fas fa-check"></i> 提交成绩';
submitBtn.disabled = false;
// 重置表单
resetForm();
}, 1500);
}
// 重置表单
function resetForm() {
classSelect.value = '';
courseNameInput.value = '';
examDateInput.value = today;
remarksInput.value = '';
// 清空学生表格
studentsTbody.innerHTML = '';
studentsTable.style.display = 'none';
noStudents.style.display = 'none';
// 禁用提交按钮
submitBtn.disabled = true;
}
// 取消按钮事件
cancelBtn.addEventListener('click', function() {
if (confirm('确定要取消吗?所有未保存的更改将会丢失。')) {
resetForm();
}
});
// 提交按钮事件
submitBtn.addEventListener('click', submitForm);
// 页面加载时初始化
document.addEventListener('DOMContentLoaded', function() {
// 检查是否有必要的数据
if (!classSelect.value) {
submitBtn.disabled = true;
}
});
</script>
</body>
</html>