From fd73c62d85e0758ff3b3c37e1032eec104032d76 Mon Sep 17 00:00:00 2001 From: sit002 Date: Tue, 2 Dec 2025 13:55:29 +0800 Subject: [PATCH] feat: add student info and watermark to PDF report - Auto-fill student name/class from .student_info.json - Add anti-cheating watermark with student ID and unique hash - Pass commit SHA for watermark generation - Read student info from workflow environment --- .autograde/generate_pdf_report.py | 349 ++++++++++++++++++------------ .gitea/workflows/autograde.yml | 25 ++- 2 files changed, 240 insertions(+), 134 deletions(-) diff --git a/.autograde/generate_pdf_report.py b/.autograde/generate_pdf_report.py index e58ee3b..4b8ab97 100644 --- a/.autograde/generate_pdf_report.py +++ b/.autograde/generate_pdf_report.py @@ -7,9 +7,11 @@ - 后端开发反思报告 - 前端开发反思报告 - 评分详情页 +- 防伪水印 """ import argparse +import hashlib import json import os import re @@ -72,11 +74,23 @@ def markdown_to_html(md_content): return markdown.markdown(md_content, extensions=extensions) -def generate_cover_page(student_id, assignment_name="VibeVault 期末大作业"): +def generate_watermark_id(student_id, commit_sha): + """生成唯一的水印标识""" + raw = f"{student_id}-{commit_sha}-{datetime.now().isoformat()}" + return hashlib.sha256(raw.encode()).hexdigest()[:16].upper() + + +def generate_cover_page(student_id, student_name="", class_name="", + assignment_name="VibeVault 期末大作业"): """生成封面页 HTML""" current_date = datetime.now().strftime('%Y年%m月%d日') current_semester = "2025年秋季学期" + # 如果有学生姓名，直接显示；否则留空供手写 + name_value = student_name if student_name else ' ' * 8 + class_value = class_name if class_name else ' ' * 8 + id_value = student_id if student_id else ' ' * 8 + return f'''
@@ -93,15 +107,15 @@ def generate_cover_page(student_id, assignment_name="VibeVault 期末大作业") - + - + - + @@ -155,7 +169,7 @@ def generate_grade_page(final_grade): ''' # LLM 评分详情 - def format_llm_details(section_data, section_name): + def format_llm_details(section_data): criteria = section_data.get("criteria", []) if not criteria: return f'

无详细评分

' @@ -245,12 +259,12 @@ def generate_grade_page(final_grade):

后端反思报告评分

- {format_llm_details(report, 'report')} + {format_llm_details(report)}

前端反思报告评分

- {format_llm_details(frontend, 'frontend')} + {format_llm_details(frontend)}
@@ -261,49 +275,85 @@ def generate_grade_page(final_grade): ''' -def get_css_styles(): - """获取 PDF 样式""" - return ''' - @page { +def get_css_styles(watermark_text=""): + """获取 PDF 样式，包含水印""" + + # 水印样式 + watermark_css = "" + if watermark_text: + watermark_css = f''' + /* 水印 */ + body::after {{ + content: "{watermark_text}"; + position: fixed; + top: 50%; + left: 50%; + transform: translate(-50%, -50%) rotate(-45deg); + font-size: 60pt; + color: rgba(200, 200, 200, 0.15); + white-space: nowrap; + pointer-events: none; + z-index: 9999; + }} + + .report-section::before, + .grade-page::before {{ + content: "{watermark_text}"; + position: absolute; + top: 50%; + left: 50%; + transform: translate(-50%, -50%) rotate(-45deg); + font-size: 48pt; + color: rgba(200, 200, 200, 0.12); + white-space: nowrap; + pointer-events: none; + z-index: -1; + }} + ''' + + return f''' + @page {{ size: A4; margin: 2cm 2.5cm; - @bottom-center { + @bottom-center {{ content: counter(page); font-size: 10pt; color: #666; - } - } + }} + }} - @page cover { + @page cover {{ margin: 0; - @bottom-center { content: none; } - } + @bottom-center {{ content: none; }} + }} - @font-face { + @font-face {{ font-family: 'Noto Sans CJK SC'; src: local('Noto Sans CJK SC'), local('Noto Sans SC'), local('Source Han Sans SC'), local('Source Han Sans CN'), local('PingFang SC'), local('Microsoft YaHei'), local('SimHei'), local('WenQuanYi Micro Hei'); - } + }} - * { + * {{ margin: 0; padding: 0; box-sizing: border-box; - } + }} - body { + body {{ font-family: 'Noto Sans CJK SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'SimHei', 'WenQuanYi Micro Hei', sans-serif; font-size: 11pt; line-height: 1.8; color: #333; - } + }} + + {watermark_css} /* 封面页样式 */ - .cover-page { + .cover-page {{ page: cover; height: 100vh; display: flex; @@ -313,202 +363,204 @@ def get_css_styles(): text-align: center; padding: 3cm; page-break-after: always; - } + }} - .cover-header { + .cover-header {{ margin-bottom: 4cm; - } + }} - .university-name { + .university-name {{ font-size: 18pt; color: #1a5490; letter-spacing: 0.5em; font-weight: bold; - } + }} - .cover-title h1 { + .cover-title h1 {{ font-size: 26pt; color: #1a5490; margin-bottom: 0.5cm; font-weight: bold; - } + }} - .cover-title h2 { + .cover-title h2 {{ font-size: 20pt; color: #333; margin-bottom: 0.3cm; font-weight: normal; - } + }} - .cover-title h3 { + .cover-title h3 {{ font-size: 14pt; color: #666; font-weight: normal; - } + }} - .cover-info { + .cover-info {{ margin-top: 3cm; - } + }} - .info-table { + .info-table {{ margin: 0 auto; border-collapse: collapse; - } + }} - .info-table td { + .info-table td {{ padding: 0.4cm 0.5cm; font-size: 12pt; - } + }} - .info-table .label { + .info-table .label {{ text-align: right; color: #333; - } + }} - .info-table .value { + .info-table .value {{ text-align: left; min-width: 6cm; - } + }} - .info-table .underline { + .info-table .underline {{ border-bottom: 1px solid #333; - } + }} - .cover-footer { + .cover-footer {{ margin-top: 4cm; color: #666; font-size: 11pt; - } + }} /* 报告章节样式 */ - .report-section { + .report-section {{ page-break-before: always; - } + position: relative; + }} - .section-title { + .section-title {{ font-size: 18pt; color: #1a5490; border-bottom: 2px solid #1a5490; padding-bottom: 0.3cm; margin-bottom: 0.8cm; - } + }} - .section-content { + .section-content {{ text-align: justify; - } + }} - .section-content h1 { + .section-content h1 {{ font-size: 16pt; color: #1a5490; margin: 1cm 0 0.5cm 0; - } + }} - .section-content h2 { + .section-content h2 {{ font-size: 14pt; color: #333; margin: 0.8cm 0 0.4cm 0; - } + }} - .section-content h3 { + .section-content h3 {{ font-size: 12pt; color: #555; margin: 0.6cm 0 0.3cm 0; - } + }} - .section-content p { + .section-content p {{ margin: 0.4cm 0; text-indent: 2em; - } + }} - .section-content ul, .section-content ol { + .section-content ul, .section-content ol {{ margin: 0.4cm 0 0.4cm 1.5cm; - } + }} - .section-content li { + .section-content li {{ margin: 0.2cm 0; - } + }} - .section-content img { + .section-content img {{ max-width: 100%; height: auto; margin: 0.5cm auto; display: block; border: 1px solid #ddd; - } + }} - .section-content code { + .section-content code {{ font-family: 'Consolas', 'Monaco', monospace; background: #f5f5f5; padding: 0.1cm 0.2cm; border-radius: 3px; font-size: 10pt; - } + }} - .section-content pre { + .section-content pre {{ background: #f5f5f5; padding: 0.5cm; border-radius: 5px; overflow-x: auto; font-size: 9pt; margin: 0.5cm 0; - } + }} - .section-content blockquote { + .section-content blockquote {{ border-left: 4px solid #1a5490; padding-left: 0.5cm; margin: 0.5cm 0; color: #555; background: #f9f9f9; padding: 0.3cm 0.5cm; - } + }} - .section-content table { + .section-content table {{ width: 100%; border-collapse: collapse; margin: 0.5cm 0; font-size: 10pt; - } + }} - .section-content th, .section-content td { + .section-content th, .section-content td {{ border: 1px solid #ddd; padding: 0.3cm; text-align: left; - } + }} - .section-content th { + .section-content th {{ background: #1a5490; color: white; - } + }} - .section-content tr:nth-child(even) { + .section-content tr:nth-child(even) {{ background: #f9f9f9; - } + }} - .empty-notice { + .empty-notice {{ color: #999; font-style: italic; text-align: center; padding: 2cm; - } + }} /* 评分页样式 */ - .grade-page { + .grade-page {{ page-break-before: always; - } + position: relative; + }} - .page-title { + .page-title {{ font-size: 18pt; color: #1a5490; text-align: center; margin-bottom: 1cm; - } + }} - .total-score { + .total-score {{ text-align: center; margin: 1cm 0; - } + }} - .score-circle { + .score-circle {{ display: inline-block; width: 4cm; height: 4cm; @@ -516,111 +568,111 @@ def get_css_styles(): border-radius: 50%; line-height: 4cm; text-align: center; - } + }} - .score-value { + .score-value {{ font-size: 28pt; font-weight: bold; color: #1a5490; - } + }} - .score-max { + .score-max {{ font-size: 14pt; color: #666; - } + }} - .score-label { + .score-label {{ font-size: 12pt; color: #666; margin-top: 0.3cm; - } + }} - .grade-summary, .grade-details { + .grade-summary, .grade-details {{ margin: 0.8cm 0; - } + }} - .grade-summary h2, .grade-details h2 { + .grade-summary h2, .grade-details h2 {{ font-size: 14pt; color: #333; border-bottom: 1px solid #ddd; padding-bottom: 0.2cm; margin-bottom: 0.4cm; - } + }} - .summary-table, .detail-table { + .summary-table, .detail-table {{ width: 100%; border-collapse: collapse; font-size: 10pt; - } + }} .summary-table th, .summary-table td, - .detail-table th, .detail-table td { + .detail-table th, .detail-table td {{ border: 1px solid #ddd; padding: 0.25cm 0.4cm; text-align: left; - } + }} - .summary-table th, .detail-table th { + .summary-table th, .detail-table th {{ background: #1a5490; color: white; font-weight: normal; - } + }} .summary-table tr:nth-child(even), - .detail-table tr:nth-child(even) { + .detail-table tr:nth-child(even) {{ background: #f9f9f9; - } + }} - .score-cell { + .score-cell {{ text-align: center; font-weight: bold; color: #1a5490; - } + }} - .reason-cell { + .reason-cell {{ font-size: 9pt; color: #555; max-width: 10cm; - } + }} - .detail-footer { + .detail-footer {{ font-size: 9pt; color: #666; margin-top: 0.2cm; - } + }} - .detail-footer .confidence { + .detail-footer .confidence {{ margin-right: 1cm; - } + }} - .detail-footer .flags { + .detail-footer .flags {{ color: #c00; - } + }} - .no-detail { + .no-detail {{ color: #999; font-style: italic; padding: 0.5cm; text-align: center; - } + }} - .grade-footer { + .grade-footer {{ margin-top: 1cm; padding-top: 0.5cm; border-top: 1px solid #ddd; font-size: 9pt; color: #999; text-align: center; - } + }} - .grade-footer p { + .grade-footer p {{ margin: 0.1cm 0; text-indent: 0; - } + }} ''' -def create_full_html(args, final_grade, student_id): +def create_full_html(args, final_grade, student_info): """创建完整的 HTML 文档""" # 读取报告内容 @@ -634,16 +686,28 @@ def create_full_html(args, final_grade, student_id): report_content = re.sub(r'^#\s*后端开发反思报告.*\n', '', report_content, flags=re.MULTILINE) frontend_content = re.sub(r'^#\s*前端开发反思报告.*\n', '', frontend_content, flags=re.MULTILINE) + # 提取学生信息 + student_id = student_info.get("student_id", "") + student_name = student_info.get("name", "") + class_name = student_info.get("class_name", "") + commit_sha = student_info.get("commit_sha", "") + + # 生成水印文本 + watermark_text = "" + if student_id: + watermark_id = generate_watermark_id(student_id, commit_sha) + watermark_text = f"{student_id} · {watermark_id}" + # 构建 HTML html = f''' Java程序设计 - 期末大作业报告 - + - {generate_cover_page(student_id)} + {generate_cover_page(student_id, student_name, class_name)} {generate_report_section("后端开发反思报告", report_content)} {generate_report_section("前端开发反思报告", frontend_content, "🎨")} {generate_grade_page(final_grade)} @@ -681,21 +745,40 @@ def main(): parser.add_argument("--images", default="images", help="Images directory") parser.add_argument("--out", default="grade_report.pdf", help="Output PDF file") parser.add_argument("--student-id", default="", help="Student ID") + parser.add_argument("--student-name", default="", help="Student name") + parser.add_argument("--class-name", default="", help="Class name") + parser.add_argument("--commit-sha", default="", help="Commit SHA for watermark") args = parser.parse_args() - # 从环境变量获取学生 ID + # 从环境变量获取学生信息 student_id = args.student_id or os.getenv("STUDENT_ID", "") + student_name = args.student_name or os.getenv("STUDENT_NAME", "") + class_name = args.class_name or os.getenv("CLASS_NAME", "") + commit_sha = args.commit_sha or os.getenv("COMMIT_SHA", "") + + # 从仓库名提取学生 ID if not student_id: repo = os.getenv("REPO", "") - match = re.search(r'-stu[_-]([a-zA-Z0-9_]+)$', repo) + match = re.search(r'-stu[_-]?st?(\d+)$', repo) if match: student_id = match.group(1) + else: + match = re.search(r'-stu[_-]([a-zA-Z0-9_]+)$', repo) + if match: + student_id = match.group(1) + + student_info = { + "student_id": student_id, + "name": student_name, + "class_name": class_name, + "commit_sha": commit_sha + } # 加载成绩 final_grade = load_json(args.grade, {"total_score": 0, "max_score": 100, "breakdown": {}}) # 创建 HTML - html_content = create_full_html(args, final_grade, student_id) + html_content = create_full_html(args, final_grade, student_info) # 保存 HTML（调试用） html_out = args.out.replace(".pdf", ".html") diff --git a/.gitea/workflows/autograde.yml b/.gitea/workflows/autograde.yml index fb4b63c..69b6ce3 100644 --- a/.gitea/workflows/autograde.yml +++ b/.gitea/workflows/autograde.yml @@ -205,14 +205,37 @@ jobs: - name: Generate PDF report working-directory: ${{ github.workspace }} + env: + REPO: ${{ github.repository }} + COMMIT_SHA: ${{ github.sha }} run: | if [ -f final_grade.json ]; then + # 读取学生信息文件（如果存在） + STUDENT_ID="" + STUDENT_NAME="" + CLASS_NAME="" + + if [ -f .student_info.json ]; then + STUDENT_ID=$(python3 -c "import json; d=json.load(open('.student_info.json')); print(d.get('student_id',''))" 2>/dev/null || echo "") + STUDENT_NAME=$(python3 -c "import json; d=json.load(open('.student_info.json')); print(d.get('name',''))" 2>/dev/null || echo "") + CLASS_NAME=$(python3 -c "import json; d=json.load(open('.student_info.json')); print(d.get('class_name',''))" 2>/dev/null || echo "") + fi + + # 如果没有学生信息文件，从仓库名提取学号 + if [ -z "$STUDENT_ID" ]; then + STUDENT_ID=$(echo "$REPO" | sed -n 's/.*-stu[_-]\?\(st\)\?\([0-9]*\)$/\2/p') + fi + python3 ./.autograde/generate_pdf_report.py \ --report REPORT.md \ --frontend FRONTEND.md \ --grade final_grade.json \ --images images \ - --out grade_report.pdf + --out grade_report.pdf \ + --student-id "$STUDENT_ID" \ + --student-name "$STUDENT_NAME" \ + --class-name "$CLASS_NAME" \ + --commit-sha "$COMMIT_SHA" fi - name: Upload report to student repo
学  号：{student_id or ' ' * 12}{id_value}
姓  名： {name_value}
班  级： {class_value}
提交日期：