{% extends 'base.html' %}
{% block content %}
<div class="page-header"><h2>学生列表</h2></div>

<div class="content-card">
    <div class="search-box">
        <form action="/search" method="get" style="display:flex;align-items:center;gap:8px;">
            <input type="text" name="keyword" placeholder="输入学号或姓名搜索" value="{{ keyword if keyword else '' }}">
            <button type="submit">搜索</button>
            {% if keyword %}
                <a href="/students" class="btn">返回全部</a>
            {% endif %}
        </form>
    </div>

    {% if students %}
    <table>
        <tr>
            <th>序号</th>
            <th>学号</th>
            <th>姓名</th>
            <th>班级</th>
            <th>操作</th>
        </tr>
        {% for s in students %}
        <tr>
            <td>{{ loop.index }}</td>
            <td>{{ s.student_id }}</td>
            <td>{{ s.name }}</td>
            <td>{{ s.class_name }}</td>
            <td>
                <a href="/grades/{{ s.id }}" class="btn btn-primary">查看成绩</a>
                <a href="/edit/{{ s.id }}" class="btn">编辑</a>
                <a href="/delete/{{ s.id }}" class="btn btn-danger" onclick="return confirm('确定要删除该学生吗？删除后该学生的成绩也会被删除！')">删除</a>
            </td>
        </tr>
        {% endfor %}
    </table>
    {% else %}
    <p>暂无学生数据。</p>
    {% endif %}

    <br>
    <a href="/add" class="btn btn-success">+ 添加学生</a>
</div>
{% endblock %}