studentManageSystem_JSP/web/studentForm.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ page import="space.anyi.studentManageSystem_JSP.model.Student" %>
<%
    Student student = (Student) request.getAttribute("student");
    boolean isEdit = student != null;
    String pageTitle = isEdit ? "编辑学生信息" : "添加学生信息";
    String action = isEdit ? "edit" : "add";
%>
<html>
<head>
    <title>学生管理系统 - <%= pageTitle %></title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f5f5f5;
        }
        .header {
            background-color: #007bff;
            color: white;
            padding: 20px;
            text-align: center;
        }
        .container {
            max-width: 600px;
            margin: 20px auto;
            padding: 30px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
            color: #333;
        }
        .form-group input, .form-group select {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
            font-size: 14px;
        }
        .form-group input:focus, .form-group select:focus {
            outline: none;
            border-color: #007bff;
            box-shadow: 0 0 5px rgba(0,123,255,0.3);
        }
        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            text-align: center;
            font-size: 14px;
        }
        .btn-primary {
            background-color: #007bff;
            color: white;
        }
        .btn-secondary {
            background-color: #6c757d;
            color: white;
        }
        .btn:hover {
            opacity: 0.8;
        }
        .form-actions {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-top: 30px;
        }
        .required {
            color: red;
        }
        .message {
            padding: 10px;
            margin-bottom: 20px;
            border-radius: 4px;
            text-align: center;
        }
        .error {
            background-color: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
    </style>
</head>
<body>
    <div class="header">
        <h1>学生管理系统 - <%= pageTitle %></h1>
    </div>

    <div class="container">
        <% if (request.getAttribute("message") != null) { %>
            <div class="message error">
                <%= request.getAttribute("message") %>
            </div>
        <% } %>

        <form action="${pageContext.request.contextPath}/student" method="post">
            <input type="hidden" name="action" value="<%= action %>">
            <% if (isEdit) { %>
                <input type="hidden" name="id" value="<%= student.getId() %>">
            <% } %>

            <div class="form-group">
                <label for="name">姓名 <span class="required">*</span></label>
                <input type="text" id="name" name="name"
                       value="<%= isEdit ? student.getName() : "" %>"
                       required maxlength="50">
            </div>

            <div class="form-group">
                <label for="studentId">学号 <span class="required">*</span></label>
                <input type="text" id="studentId" name="studentId"
                       value="<%= isEdit ? student.getStudentId() : "" %>"
                       required pattern="[0-9]{11}"
                       title="学号格式：252612000xx（11位数字）" maxlength="12">
                <small style="color: #666;">格式：252612000xx（11位数字）</small>
            </div>

            <div class="form-group">
                <label for="className">班级 <span class="required">*</span></label>
                <input type="text" id="className" name="className"
                       value="<%= isEdit ? student.getClassName() : "" %>"
                       required maxlength="50">
            </div>

            <div class="form-group">
                <label for="dormitoryNumber">宿舍号</label>
                <input type="text" id="dormitoryNumber" name="dormitoryNumber"
                       value="<%= isEdit && student.getDormitoryNumber() != null ? student.getDormitoryNumber() : "" %>"
                       maxlength="10">
            </div>

            <div class="form-group">
                <label for="contact">联系方式</label>
                <input type="text" id="contact" name="contact"
                       value="<%= isEdit && student.getContact() != null ? student.getContact() : "" %>"
                       maxlength="20">
            </div>

            <div class="form-actions">
                <button type="submit" class="btn btn-primary">
                    <%= isEdit ? "更新信息" : "添加学生" %>
                </button>
                <a href="${pageContext.request.contextPath}/student?action=list" class="btn btn-secondary">返回列表</a>
            </div>
        </form>
    </div>

    <script>
        // 表单验证
        document.querySelector('form').addEventListener('submit', function(e) {
            const studentId = document.getElementById('studentId').value;
            const name = document.getElementById('name').value;
            const className = document.getElementById('className').value;

            // 验证学号格式
            if (studentId.length !== 11) {
                console.log(studentId.length)
                e.preventDefault();
                alert('学号格式不正确！请使用252612000xx格式');
                return;
            }

            // 验证必填字段
            if (!name.trim() || !className.trim()) {
                e.preventDefault();
                alert('请填写所有必填字段！');
                return;
            }
        });
    </script>
</body>
</html>