{"id":123139,"date":"2026-11-06T14:41:30","date_gmt":"2026-11-06T06:41:30","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/123139.html"},"modified":"2026-11-06T14:41:30","modified_gmt":"2026-11-06T06:41:30","slug":"%e6%99%ba%e5%ad%a6%e6%96%87%e6%9e%a2%ef%bc%9a%e5%ad%a6%e7%94%9f-%e9%a2%98%e7%9b%ae%e9%80%89%e6%8b%a9%e5%bc%b9%e7%aa%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/123139.html","title":{"rendered":"\u667a\u5b66\u6587\u67a2\uff1a\u5b66\u751f\/\u9898\u76ee\u9009\u62e9\u5f39\u7a97"},"content":{"rendered":"

\/* MD \/ \u5bcc\u6587\u672c\u4e2d\u7684 .toc\uff08\u542b\u535a\u5ba2\u56ed\u642c\u5bb6\u7b49\u5d4c\u5957\u7ed3\u6784\uff09\uff1b.toc-box \u5728\u4fa7\u680f\uff0c\u4e0d\u53d7\u5f71\u54cd *\/
\n #content_views .toc,
\n \/* \u7f16\u8f91\u5668\u5e38\u5728\u76ee\u5f55\u524d\u540e\u63d2\u5165\u7a7a p\uff08:empty \u4ecd\u5360 20px\uff09\uff0c\u4e00\u5e76\u53bb\u6389\u907f\u514d\u9876\u7a7a\u9699 *\/
\n #content_views.markdown_views > p:empty:has(+ .toc),
\n #content_views.markdown_views > .toc + p:empty,
\n \/* \u5bcc\u6587\u672c\u65e7\u7248\u76ee\u5f55\u6807\u8bb0 *\/
\n #content_views.htmledit_views #main-toc,
\n #content_views.htmledit_views #hr-toc,
\n #content_views.htmledit_views p[id*=\\”-toc\\”] {
\n display: none !important;
\n }
\n \/* \u76ee\u5f55\u53bb\u6389\u540e\uff0c\u7d27\u8ddf\u7684\u9996\u4e2a\u6807\u9898\u4e0d\u518d\u591a\u51fa\u4e00\u5757\u4e0a\u8fb9\u8ddd *\/
\n #content_views.markdown_views > .toc + h1,
\n #content_views.markdown_views > .toc + h2,
\n #content_views.markdown_views > .toc + h3,
\n #content_views.markdown_views > .toc + h4,
\n #content_views.markdown_views > .toc + p:empty + h1,
\n #content_views.markdown_views > .toc + p:empty + h2,
\n #content_views.markdown_views > .toc + p:empty + h3,
\n #content_views.markdown_views > .toc + p:empty + h4 {
\n margin-top: 0 !important;
\n }<\/p>\n

\u5b66\u751f\/\u9898\u76ee\u9009\u62e9\u5f39\u7a97：\u4e24\u4e2a\u9009\u62e9\u5668，\u4e00\u5957"\u5217\u8868-\u9009\u62e9-\u56de\u4f20"\u5951\u7ea6<\/h2>\n

\u4e00\u53e5\u8bdd\u6458\u8981：StudentSelectDialog（\u641c\u7d22 + \u73ed\u7ea7\u5206\u7ec4\u6811 + \u53cc\u51fb\u786e\u8ba4）\u4e0e QuestionSelectDialog（\u5b66\u79d1\u7b5b\u9009 + \u53ef\u6392\u5e8f\u8868\u683c + \u53f3\u4fa7 LaTeX \u5b9e\u65f6\u9884\u89c8）\u90fd\u662f"\u6a21\u6001\u5f39\u7a97 + \u5c5e\u6027\u56de\u4f20\u9009\u4e2d id"\u7684\u901a\u7528\u9009\u62e9\u5668，\u4e00\u4e2a\u6309"\u73ed"\u7ec4\u7ec7\u3001\u4e00\u4e2a\u6309"\u5b66\u79d1\/\u96be\u5ea6"\u7b5b\u9009，\u8986\u76d6\u8de8\u9875\u9009\u62e9\u5b9e\u4f53\u7684\u9ad8\u9891\u9700\u6c42\u3002<\/p>\n

\u4e00\u3001\u5f15\u8a00<\/h3>\n

\u4ece\u7b2c\u4e00\u6027\u539f\u7406\u51fa\u53d1，"\u9009\u62e9\u5b9e\u4f53"\u662f\u684c\u9762\u5e94\u7528\u91cc\u6700\u9ad8\u9891\u7684\u8de8\u9875\u64cd\u4f5c：\u770b\u677f\u8981\u9009\u5b66\u751f\u3001\u62a5\u544a\u8981\u9009\u5b66\u751f\u3001\u9898\u76ee\u6d41\u6c34\u7ebf\u8981\u9009\u9898\u76ee\u3001\u53d8\u5f0f\u8981\u5173\u8054\u539f\u9898\u2026\u2026\u5982\u679c\u6bcf\u4e2a\u9875\u9762\u5404\u81ea\u5b9e\u73b0\u4e00\u5957\u9009\u62e9 UI，\u4f1a\u51fa\u73b0 N \u4e2a\u4e92\u4e0d\u517c\u5bb9\u7684\u53d8\u4f53：\u6709\u7684\u6ca1\u641c\u7d22\u3001\u6709\u7684\u6ca1\u5206\u7ec4\u3001\u6709\u7684\u4ea4\u4e92\u4e0d\u4e00\u81f4\u2014\u2014\u7528\u6237\u6bcf\u6b21\u90fd\u8981\u91cd\u65b0\u5b66\u4e60\u3002<\/p>\n

\u516c\u5171\u9009\u62e9\u5f39\u7a97\u7684\u4ef7\u503c\u6b63\u5728\u4e8e\u6b64：\u628a"\u5217\u8868\u5c55\u793a + \u641c\u7d22\u8fc7\u6ee4 + \u786e\u8ba4\u56de\u4f20"\u8fd9\u4e00\u6574\u5957\u4ea4\u4e92\u6536\u655b\u6210\u4e00\u6b21\u5b9e\u73b0，\u6240\u6709\u9875\u9762\u590d\u7528\u3002\u672c\u6587\u7684\u4e24\u4e2a\u4e3b\u89d2\u5c31\u662f\u8fd9\u5957\u6a21\u5f0f\u7684\u4e24\u4e2a\u5b9e\u4f8b，\u5b83\u4eec\u5171\u4eab\u540c\u4e00\u4e2a\u9aa8\u67b6：<\/p>\n

\u6a21\u6001 QDialog
\n \u251c\u2500\u2500 \u641c\u7d22\/\u7b5b\u9009\u533a
\n \u251c\u2500\u2500 \u5217\u8868\u533a（StudentSelectDialog \u7528\u5206\u7ec4\u6811 \/ QuestionSelectDialog \u7528\u5e73\u94fa\u8868\u683c）
\n \u251c\u2500\u2500 \u63d0\u793a + \u53d6\u6d88\/\u786e\u8ba4\u6309\u94ae
\n \u2514\u2500\u2500 \u9009\u4e2d\u7ed3\u679c\u7ecf\u5c5e\u6027\u56de\u4f20：selected_student_id \/ selected_question_id<\/p>\n

\u5dee\u5f02\u53ea\u53d1\u751f\u5728"\u5217\u8868\u533a"\u7684\u5f62\u6001\u4e0a\u2014\u2014\u800c\u5f62\u6001\u5dee\u5f02\u7684\u6839\u6e90\u662f\u5b9e\u4f53\u7684\u7ec4\u7ec7\u7ef4\u5ea6\u4e0d\u540c：\u5b66\u751f\u7684\u5929\u7136\u7ef4\u5ea6\u662f"\u73ed\u7ea7"（\u5206\u7ec4\u6811），\u9898\u76ee\u7684\u5929\u7136\u7ef4\u5ea6\u662f"\u5b66\u79d1\/\u96be\u5ea6\/\u6765\u6e90"（\u53ef\u6392\u5e8f\u8868\u683c）\u3002\u672c\u6587\u5bf9\u6bd4\u62c6\u89e3\u4e24\u4e2a\u5f39\u7a97，\u91cd\u70b9\u770b\u9009\u62e9\u5668\u6a21\u5f0f\u7684\u516c\u5171\u5951\u7ea6\u4e0e\u5404\u81ea\u7279\u8272\u3002<\/p>\n

\u4e8c\u3001\u6838\u5fc3\u539f\u7406<\/h3>\n

2.1 \u516c\u5171\u5951\u7ea6：\u6a21\u6001 + \u5c5e\u6027\u56de\u4f20<\/h4>\n

\u4e24\u4e2a\u5f39\u7a97\u90fd\u9075\u5faa\u540c\u4e00\u5957\u8c03\u7528\u534f\u8bae：<\/p>\n

\u9009\u62e9\u5f39\u7a97\u8c03\u7528\u65b9\u9875\u9762\u9009\u62e9\u5f39\u7a97\u8c03\u7528\u65b9\u9875\u9762#mermaid-svg-3yyonQwwq1hjaCAm{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-3yyonQwwq1hjaCAm .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-3yyonQwwq1hjaCAm .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-3yyonQwwq1hjaCAm .error-icon{fill:#552222;}#mermaid-svg-3yyonQwwq1hjaCAm .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-3yyonQwwq1hjaCAm .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-3yyonQwwq1hjaCAm .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-3yyonQwwq1hjaCAm .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-3yyonQwwq1hjaCAm .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-3yyonQwwq1hjaCAm .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-3yyonQwwq1hjaCAm .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-3yyonQwwq1hjaCAm .marker{fill:#333333;stroke:#333333;}#mermaid-svg-3yyonQwwq1hjaCAm .marker.cross{stroke:#333333;}#mermaid-svg-3yyonQwwq1hjaCAm svg{font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-3yyonQwwq1hjaCAm p{margin:0;}#mermaid-svg-3yyonQwwq1hjaCAm .actor{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-3yyonQwwq1hjaCAm text.actor>tspan{fill:black;stroke:none;}#mermaid-svg-3yyonQwwq1hjaCAm .actor-line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);}#mermaid-svg-3yyonQwwq1hjaCAm .innerArc{stroke-width:1.5;stroke-dasharray:none;}#mermaid-svg-3yyonQwwq1hjaCAm .messageLine0{stroke-width:1.5;stroke-dasharray:none;stroke:#333;}#mermaid-svg-3yyonQwwq1hjaCAm .messageLine1{stroke-width:1.5;stroke-dasharray:2,2;stroke:#333;}#mermaid-svg-3yyonQwwq1hjaCAm #arrowhead path{fill:#333;stroke:#333;}#mermaid-svg-3yyonQwwq1hjaCAm .sequenceNumber{fill:white;}#mermaid-svg-3yyonQwwq1hjaCAm #sequencenumber{fill:#333;}#mermaid-svg-3yyonQwwq1hjaCAm #crosshead path{fill:#333;stroke:#333;}#mermaid-svg-3yyonQwwq1hjaCAm .messageText{fill:#333;stroke:none;}#mermaid-svg-3yyonQwwq1hjaCAm .labelBox{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-3yyonQwwq1hjaCAm .labelText,#mermaid-svg-3yyonQwwq1hjaCAm .labelText>tspan{fill:black;stroke:none;}#mermaid-svg-3yyonQwwq1hjaCAm .loopText,#mermaid-svg-3yyonQwwq1hjaCAm .loopText>tspan{fill:black;stroke:none;}#mermaid-svg-3yyonQwwq1hjaCAm .loopLine{stroke-width:2px;stroke-dasharray:2,2;stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);}#mermaid-svg-3yyonQwwq1hjaCAm .note{stroke:#aaaa33;fill:#fff5ad;}#mermaid-svg-3yyonQwwq1hjaCAm .noteText,#mermaid-svg-3yyonQwwq1hjaCAm .noteText>tspan{fill:black;stroke:none;}#mermaid-svg-3yyonQwwq1hjaCAm .activation0{fill:#f4f4f4;stroke:#666;}#mermaid-svg-3yyonQwwq1hjaCAm .activation1{fill:#f4f4f4;stroke:#666;}#mermaid-svg-3yyonQwwq1hjaCAm .activation2{fill:#f4f4f4;stroke:#666;}#mermaid-svg-3yyonQwwq1hjaCAm .actorPopupMenu{position:absolute;}#mermaid-svg-3yyonQwwq1hjaCAm .actorPopupMenuPanel{position:absolute;fill:#ECECFF;box-shadow:0px 8px 16px 0px rgba(0,0,0,0.2);filter:drop-shadow(3px 5px 2px rgb(0 0 0 \/ 0.4));}#mermaid-svg-3yyonQwwq1hjaCAm .actor-man line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-3yyonQwwq1hjaCAm .actor-man circle,#mermaid-svg-3yyonQwwq1hjaCAm line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;stroke-width:2px;}#mermaid-svg-3yyonQwwq1hjaCAm :root{–mermaid-font-family:\\”trebuchet ms\\”,verdana,arial,sans-serif;}\u7528\u6237\u641c\u7d22\/\u6d4f\u89c8\/\u53cc\u51fb\u6216\u70b9\u786e\u8ba4dialog = XxxSelectDialog(\u5b9e\u4f53\u5217\u8868, parent)if dialog.exec() == QDialog.AcceptedAccepteddialog.selected_student_id \/ selected_question_id\u7528 id \u7ee7\u7eed\u4e1a\u52a1（\u52a0\u8f7d\u6570\u636e\/\u751f\u6210\u62a5\u544a\u2026）<\/p>\n

\u9009\u4e2d\u7684 id \u901a\u8fc7 @property \u5c5e\u6027\u56de\u4f20（selected_student_id\u3001selected_question_id），\u800c\u4e0d\u662f exec() \u7684\u8fd4\u56de\u503c\u2014\u2014\u56e0\u4e3a\u8fd4\u56de\u503c\u7684\u8bed\u4e49\u662f"Accepted\/Rejected"（\u7ed3\u679c\u7801），\u5177\u4f53\u9009\u4e86\u8c01\u5c5e\u4e8e"\u4e1a\u52a1\u6570\u636e"，\u7528\u5c5e\u6027\u8bfb\u53d6\u66f4\u6e05\u6670，\u4e14\u4e0e"\u5148\u63a5\u53d7\u3001\u540e\u53d6\u6570"\u7684\u65f6\u5e8f\u5929\u7136\u5951\u5408\u3002<\/p>\n

2.2 \u5206\u7ec4\u6811 vs \u5e73\u94fa\u8868\u683c：\u5f62\u6001\u7531"\u7ec4\u7ec7\u7ef4\u5ea6"\u51b3\u5b9a<\/h4>\n\n\u7ef4\u5ea6\u5b66\u751f\u9898\u76ee<\/tr>\n\n\n\n\n\n
\u81ea\u7136\u7ec4\u7ec7\u7ef4\u5ea6<\/td>\n\u73ed\u7ea7（\u5c11\u91cf\u5206\u7ec4，\u6bcf\u7ec4\u591a\u4eba）<\/td>\n\u5b66\u79d1\/\u96be\u5ea6\/\u6765\u6e90（\u5927\u91cf\u6761\u76ee）<\/td>\n<\/tr>\n
\u5217\u8868\u5f62\u6001<\/td>\nQTreeWidget \u5206\u7ec4\u6811<\/td>\nQTableWidget \u5e73\u94fa\u8868\u683c<\/td>\n<\/tr>\n
\u8f85\u52a9\u7b5b\u9009<\/td>\n\u5173\u952e\u8bcd（\u59d3\u540d\/\u73ed\u7ea7\/\u5e74\u7ea7\/\u5b66\u6821）<\/td>\n\u5b66\u79d1\u4e0b\u62c9 + \u5173\u952e\u8bcd + \u8868\u5934\u6392\u5e8f<\/td>\n<\/tr>\n
\u989d\u5916\u80fd\u529b<\/td>\n\u2014<\/td>\n\u53f3\u4fa7 LaTeX \u5b9e\u65f6\u9884\u89c8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5b66\u751f\u7684\u7ec4\u7ec7\u5355\u4f4d\u5c0f（\u51e0\u4e2a\u73ed\u3001\u6bcf\u73ed\u82e5\u5e72\u4eba），\u6811\u5f62\u5206\u7ec4 + \u53cc\u51fb\u786e\u8ba4\u5c31\u591f\u4e86；\u9898\u76ee\u7684\u96c6\u5408\u5927（\u51e0\u5341\u4e0a\u767e\u9053）\u4e14\u6bcf\u9053\u9898\u90fd\u662f"\u72ec\u7acb\u4e2a\u4f53"，\u9700\u8981\u53ef\u6392\u5e8f\u8868\u683c + \u9884\u89c8\u6765\u7cbe\u786e\u5b9a\u4f4d\u3002<\/p>\n

2.3 \u8fc7\u6ee4\u7b56\u7565\u5bf9\u6bd4<\/h4>\n
    \n
  • \u5b66\u751f\u5f39\u7a97：textChanged \u2192 \u5173\u952e\u8bcd\u5339\u914d\u56db\u5b57\u6bb5 \u2192 \u6574\u6811\u91cd\u5efa（_populate_tree）\u3002\u56e0\u4e3a\u6811\u8981\u540c\u6b65\u7ef4\u62a4\u5206\u7ec4\u7ed3\u6784，\u91cd\u5efa\u662f\u6700\u76f4\u63a5\u6b63\u786e\u7684\u505a\u6cd5；<\/li>\n
  • \u9898\u76ee\u5f39\u7a97：\u5b66\u79d1 + \u5173\u952e\u8bcd\u53e0\u52a0\u8fc7\u6ee4（AND \u5173\u7cfb）\u2192 _populate_table \u91cd\u5efa\u8868\u683c\u884c\u3002\u7a7a\u5173\u952e\u8bcd\u3001\u7a7a\u5b66\u79d1\u65f6\u9000\u5316\u4e3a\u4e0d\u8fc7\u6ee4\u3002<\/li>\n<\/ul>\n

    2.4 \u53cc\u51fb\u5373\u786e\u8ba4：\u6700\u5c11\u70b9\u51fb\u8def\u5f84<\/h4>\n

    \u4e24\u4e2a\u5f39\u7a97\u90fd\u652f\u6301"\u53cc\u51fb\u5217\u8868\u9879\u76f4\u63a5 accept"\u2014\u2014\u628a"\u9009\u4e2d + \u70b9\u786e\u8ba4"\u4e24\u6b65\u5408\u6210\u4e00\u6b65，\u4e14\u4e0d\u7834\u574f"\u70b9\u786e\u8ba4"\u8def\u5f84（\u517c\u5bb9\u9f20\u6807\u515a）\u3002\u5b66\u751f\u5f39\u7a97\u53cc\u51fb\u5b66\u751f\u884c\u3001\u9898\u76ee\u5f39\u7a97\u53cc\u51fb\u8868\u683c\u884c，\u90fd\u76f4\u63a5 accept()\u3002<\/p>\n

    \u4e09\u3001\u4ee3\u7801\u5b9e\u73b0<\/h3>\n

    3.1 \u5b66\u751f\u5f39\u7a97：\u73ed\u7ea7\u5206\u7ec4\u6784\u5efa<\/h4>\n

    def<\/span> _build_group_items<\/span>(<\/span>self,<\/span> students:<\/span> List[<\/span>Student]<\/span>)<\/span> –<\/span>><\/span> List[<\/span>QTreeWidgetItem]<\/span>:<\/span>
    \n """\u6309\u73ed\u7ea7\u5206\u7ec4\u6784\u5efa\u9876\u5c42\u9879\u548c\u5b66\u751f\u5b50\u9879，\u8fd4\u56de\u6392\u5e8f\u540e\u7684\u9876\u5c42\u9879\u5217\u8868"""<\/span>
    \n groups =<\/span> defaultdict(<\/span>list<\/span>)<\/span>
    \n for<\/span> s in<\/span> students:<\/span>
    \n key =<\/span> s.<\/span>class_name or<\/span> ""<\/span>
    \n groups[<\/span>key]<\/span>.<\/span>append(<\/span>s)<\/span><\/p>\n

    # \u6392\u5e8f：\u6709\u73ed\u7ea7\u540d\u79f0\u7684\u6309\u540d\u79f0\u6392\u5e8f，\u672a\u5206\u914d\u73ed\u7ea7\u7684\u653e\u6700\u540e<\/span>
    \n class_names =<\/span> sorted<\/span>(<\/span>k for<\/span> k in<\/span> groups if<\/span> k)<\/span>
    \n if<\/span> ""<\/span> in<\/span> groups:<\/span>
    \n class_names.<\/span>append(<\/span>""<\/span>)<\/span><\/p>\n

    result =<\/span> [<\/span>]<\/span>
    \n for<\/span> cn in<\/span> class_names:<\/span>
    \n members =<\/span> groups[<\/span>cn]<\/span>
    \n label =<\/span> f"📚 <\/span>{<\/span>cn}<\/span><\/span>（<\/span>{<\/span>len<\/span>(<\/span>members)<\/span>}<\/span><\/span>\u4eba）"<\/span><\/span> if<\/span> cn else<\/span> "（\u672a\u5206\u914d\u73ed\u7ea7）"<\/span>
    \n group_item =<\/span> QTreeWidgetItem(<\/span>)<\/span>
    \n group_item.<\/span>setText(<\/span>self.<\/span>COL_NAME,<\/span> label)<\/span>
    \n group_item.<\/span>setFlags(<\/span>group_item.<\/span>flags(<\/span>)<\/span> &<\/span> ~<\/span>Qt.<\/span>ItemIsSelectable)<\/span>
    \n .<\/span>.<\/span>.<\/span>
    \n # \u5b66\u751f\u5b50\u9879\u6309\u5e74\u7ea7\u2192\u59d3\u540d\u6392\u5e8f<\/span>
    \n members.<\/span>sort(<\/span>key=<\/span>lambda<\/span> x:<\/span> (<\/span>x.<\/span>grade or<\/span> ""<\/span>,<\/span> x.<\/span>name or<\/span> ""<\/span>)<\/span>)<\/span>
    \n for<\/span> idx,<\/span> s in<\/span> enumerate<\/span>(<\/span>members,<\/span> 1<\/span>)<\/span>:<\/span>
    \n child =<\/span> QTreeWidgetItem(<\/span>)<\/span>
    \n child.<\/span>setText(<\/span>self.<\/span>COL_IDX,<\/span> str<\/span>(<\/span>idx)<\/span>)<\/span>
    \n child.<\/span>setText(<\/span>self.<\/span>COL_NAME,<\/span> s.<\/span>name or<\/span> ""<\/span>)<\/span>
    \n child.<\/span>setText(<\/span>self.<\/span>COL_GRADE,<\/span> s.<\/span>grade or<\/span> ""<\/span>)<\/span>
    \n child.<\/span>setText(<\/span>self.<\/span>COL_CLASS,<\/span> s.<\/span>class_name or<\/span> ""<\/span>)<\/span>
    \n child.<\/span>setText(<\/span>self.<\/span>COL_SCHOOL,<\/span> s.<\/span>school or<\/span> ""<\/span>)<\/span>
    \n child.<\/span>setData(<\/span>self.<\/span>COL_NAME,<\/span> Qt.<\/span>UserRole,<\/span> s.<\/span>id<\/span>)<\/span>
    \n group_item.<\/span>addChild(<\/span>child)<\/span>
    \n result.<\/span>append(<\/span>group_item)<\/span>
    \n return<\/span> result<\/p>\n

    \u6e90\u7801\u4f4d\u7f6e：ui\/components\/common\/student_select_dialog.py L128-L172<\/p>\n

    \u7ec6\u8282：<\/p>\n

      \n
    • defaultdict(list)：\u6309 class_name \u805a\u5408\u5b66\u751f，\u201c\u672a\u5206\u914d\u73ed\u7ea7\u201d（\u7a7a\u4e32）\u4e5f\u662f\u5408\u6cd5 key；<\/li>\n
    • \u73ed\u7ea7\u540d\u6392\u5e8f + \u7a7a\u73ed\u7ea7\u57ab\u5e95：sorted(k for k in groups if k) \u540e\u628a "" append \u5230\u6700\u540e，\u4e0e 51 \u7bc7\u7684"\u672a\u5206\u914d\u653e\u6700\u540e"\u7b56\u7565\u4e00\u81f4；<\/li>\n
    • \u5206\u7ec4\u9879\u4e0d\u53ef\u9009：\u53bb\u6389 ItemIsSelectable，\u53cc\u51fb\u5206\u7ec4\u9879\u4e0d\u4f1a\u8bef\u89e6\u9009\u62e9；<\/li>\n
    • \u5b50\u9879\u5e8f\u53f7\u4ece 1 \u5f00\u59cb：\u6bcf\u7ec4\u5185\u5b66\u751f\u6309"\u5e74\u7ea7\u2192\u59d3\u540d"\u6392\u5e8f\u540e\u7f16\u53f7，\u65b9\u4fbf\u53e3\u5934\u4ea4\u6d41（\u201c\u7b2c\u4e09\u4e2a\u201d）\u3002<\/li>\n<\/ul>\n

      3.2 \u5b66\u751f\u5f39\u7a97：\u641c\u7d22\u4e0e\u786e\u8ba4<\/h4>\n

      def<\/span> _on_search<\/span>(<\/span>self)<\/span>:<\/span>
      \n """\u641c\u7d22\u6846\u6587\u672c\u53d8\u5316 \u2192 \u8fc7\u6ee4"""<\/span>
      \n keyword =<\/span> self.<\/span>search_edit.<\/span>text(<\/span>)<\/span>.<\/span>strip(<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
      \n if<\/span> not<\/span> keyword:<\/span>
      \n self.<\/span>_populate_tree(<\/span>self.<\/span>_students)<\/span>
      \n return<\/span><\/p>\n

      filtered =<\/span> [<\/span>
      \n s for<\/span> s in<\/span> self.<\/span>_students
      \n if<\/span> keyword in<\/span> (<\/span>s.<\/span>name or<\/span> ""<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
      \n or<\/span> keyword in<\/span> (<\/span>s.<\/span>grade or<\/span> ""<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
      \n or<\/span> keyword in<\/span> (<\/span>s.<\/span>class_name or<\/span> ""<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
      \n or<\/span> keyword in<\/span> (<\/span>s.<\/span>school or<\/span> ""<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
      \n ]<\/span>
      \n self.<\/span>_populate_tree(<\/span>filtered)<\/span><\/p>\n

      def<\/span> _on_item_double_clicked<\/span>(<\/span>self,<\/span> item:<\/span> QTreeWidgetItem,<\/span> column:<\/span> int<\/span>)<\/span>:<\/span>
      \n """\u53cc\u51fb\u5b66\u751f\u884c \u2192 \u786e\u8ba4\u9009\u62e9"""<\/span>
      \n if<\/span> not<\/span> item.<\/span>parent(<\/span>)<\/span>:<\/span>
      \n return<\/span> # \u5206\u7ec4\u9879\u4e0d\u53ef\u9009<\/span>
      \n sid =<\/span> item.<\/span>data(<\/span>self.<\/span>COL_NAME,<\/span> Qt.<\/span>UserRole)<\/span>
      \n if<\/span> sid:<\/span>
      \n self.<\/span>_selected_student_id =<\/span> sid
      \n self.<\/span>accept(<\/span>)<\/span><\/p>\n

      @property<\/span>
      \ndef<\/span> selected_student_id<\/span>(<\/span>self)<\/span> –<\/span>><\/span> Optional[<\/span>str<\/span>]<\/span>:<\/span>
      \n return<\/span> self.<\/span>_selected_student_id<\/p>\n

      \u6e90\u7801\u4f4d\u7f6e：ui\/components\/common\/student_select_dialog.py L185-L229<\/p>\n

      \u4e09\u4e2a\u5173\u952e\u9632\u5fa1：<\/p>\n

        \n
      • item.parent() \u5224\u65ad：\u53ea\u6709\u5b66\u751f\u5b50\u9879\u6709 parent（\u5206\u7ec4\u9879\u662f\u9876\u5c42），\u53cc\u51fb\u5206\u7ec4\u9879\u76f4\u63a5 return\u2014\u2014\u5206\u7ec4\u6c38\u8fdc\u4e0d\u662f\u5408\u6cd5\u9009\u62e9\u76ee\u6807；<\/li>\n
      • \u5168\u5c0f\u5199\u5339\u914d：keyword.lower() \u4e0e\u56db\u4e2a\u5b57\u6bb5\u7684 lower \u6bd4\u8f83，\u641c\u7d22\u5927\u5c0f\u5199\u4e0d\u654f\u611f；<\/li>\n
      • \u7a7a\u5173\u952e\u8bcd\u6062\u590d\u5168\u91cf：\u641c\u7d22\u6846\u6e05\u7a7a\u65f6 _populate_tree(self._students) \u56de\u5230\u5b8c\u6574\u5217\u8868，\u800c\u4e0d\u662f\u505c\u7559\u5728\u8fc7\u6ee4\u6001\u3002<\/li>\n<\/ul>\n

        3.3 \u9898\u76ee\u5f39\u7a97：\u53e0\u52a0\u8fc7\u6ee4\u4e0e\u8868\u5934\u6392\u5e8f<\/h4>\n

        def<\/span> _apply_filters<\/span>(<\/span>self)<\/span>:<\/span>
        \n """\u5b66\u79d1 + \u5173\u952e\u8bcd \u53e0\u52a0\u8fc7\u6ee4\u8868\u683c\u884c"""<\/span>
        \n keyword =<\/span> self.<\/span>search_edit.<\/span>text(<\/span>)<\/span>.<\/span>strip(<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
        \n subject =<\/span> self.<\/span>subject_combo.<\/span>currentData(<\/span>)<\/span> or<\/span> ""<\/span>
        \n filtered =<\/span> [<\/span>]<\/span>
        \n for<\/span> q in<\/span> self.<\/span>_questions:<\/span>
        \n q_subject =<\/span> q.<\/span>subject or<\/span> ""<\/span>
        \n if<\/span> subject and<\/span> q_subject !=<\/span> subject:<\/span>
        \n continue<\/span>
        \n if<\/span> keyword and<\/span> not<\/span> (<\/span>
        \n keyword in<\/span> (<\/span>q.<\/span>question_text or<\/span> ""<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
        \n or<\/span> keyword in<\/span> q_subject.<\/span>lower(<\/span>)<\/span>
        \n )<\/span>:<\/span>
        \n continue<\/span>
        \n filtered.<\/span>append(<\/span>q)<\/span>
        \n self.<\/span>_populate_table(<\/span>filtered)<\/span><\/p>\n

        _DIFF_RANK =<\/span> {<\/span>"\u6613"<\/span>:<\/span> 0<\/span>,<\/span> "\u4e2d"<\/span>:<\/span> 1<\/span>,<\/span> "\u96be"<\/span>:<\/span> 2<\/span>}<\/span><\/p>\n

        def<\/span> _sort_rows<\/span>(<\/span>self,<\/span> rows:<\/span> List[<\/span>Question]<\/span>)<\/span> –<\/span>><\/span> List[<\/span>Question]<\/span>:<\/span>
        \n """\u6309\u5f53\u524d\u6392\u5e8f\u5217\u7a33\u5b9a\u6392\u5e8f；\u672a\u6392\u5e8f\u65f6\u4fdd\u6301\u539f\u987a\u5e8f"""<\/span>
        \n col =<\/span> self.<\/span>_sort_col
        \n if<\/span> col not<\/span> in<\/span> (<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>,<\/span> 4<\/span>,<\/span> 5<\/span>)<\/span>:<\/span>
        \n return<\/span> list<\/span>(<\/span>rows)<\/span><\/p>\n

        def<\/span> key<\/span>(<\/span>q:<\/span> Question)<\/span>:<\/span>
        \n if<\/span> col ==<\/span> 1<\/span>:<\/span>
        \n return<\/span> (<\/span>q.<\/span>subject or<\/span> ""<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
        \n if<\/span> col ==<\/span> 2<\/span>:<\/span>
        \n return<\/span> self.<\/span>_DIFF_RANK.<\/span>get(<\/span>q.<\/span>difficulty or<\/span> ""<\/span>,<\/span> 99<\/span>)<\/span>
        \n if<\/span> col ==<\/span> 3<\/span>:<\/span>
        \n return<\/span> (<\/span>q.<\/span>source_type or<\/span> ""<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
        \n if<\/span> col ==<\/span> 4<\/span>:<\/span>
        \n return<\/span> (<\/span>q.<\/span>question_text or<\/span> ""<\/span>)<\/span>.<\/span>lower(<\/span>)<\/span>
        \n return<\/span> q.<\/span>recorded_at or<\/span> 0<\/span><\/p>\n

        return<\/span> sorted<\/span>(<\/span>rows,<\/span> key=<\/span>key,<\/span> reverse=<\/span>not<\/span> self.<\/span>_sort_asc)<\/span><\/p>\n

        \u6e90\u7801\u4f4d\u7f6e：ui\/components\/common\/question_select_dialog.py L252-L293<\/p>\n

        \u8981\u70b9：<\/p>\n

          \n
        • AND \u53e0\u52a0：\u5b66\u79d1\u4e0d\u7b26\u76f4\u63a5 continue\u3001\u5173\u952e\u8bcd\u4e0d\u4e2d\u4e5f continue\u2014\u2014\u4e24\u4e2a\u6761\u4ef6\u662f"\u4e14"\u5173\u7cfb；\u4efb\u4e00\u4fa7\u4e3a\u7a7a\u81ea\u52a8\u8df3\u8fc7\u8be5\u7ea6\u675f；<\/li>\n
        • \u96be\u5ea6\u6392\u5e8f\u7528\u679a\u4e3e\u6620\u5c04：{"\u6613":0, "\u4e2d":1, "\u96be":2}\u2014\u2014\u201c\u96be\u201d > \u201c\u4e2d\u201d > \u201c\u6613\u201d \u662f\u4e1a\u52a1\u5b9a\u4e49\u7684\u5e8f，\u5b57\u5178\u5e8f（\u201c\u4e2d\u201d > \u201c\u96be\u201d？）\u662f\u9519\u7684\u3002\u672a\u77e5\u540d\u96be\u5ea6\u6620\u5c04\u5230 99 \u6392\u6700\u540e；<\/li>\n
        • \u7a33\u5b9a\u6392\u5e8f：sorted \u9ed8\u8ba4\u7a33\u5b9a，\u540c key \u7684\u9898\u76ee\u4fdd\u6301\u539f\u59cb\u5f55\u5165\u987a\u5e8f，\u6392\u5e8f\u4e0d\u4ea7\u751f"\u968f\u673a\u6296\u52a8"；<\/li>\n
        • \u8868\u5934\u70b9\u51fb\u5207\u6362\u6392\u5e8f\u65b9\u5411：_on_header_clicked \u91cc\u540c\u5217\u518d\u6b21\u70b9\u51fb\u53cd\u8f6c _sort_asc，\u5e76\u7528 _apply_header_indicator \u5728\u8868\u5934\u6587\u5b57\u8ffd\u52a0 \u201c\u2191\/\u2193\u201d \u7bad\u5934\u2014\u2014\u6392\u5e8f\u72b6\u6001\u53ef\u89c6\u5316\u3002<\/li>\n<\/ul>\n

          3.4 \u9898\u76ee\u5f39\u7a97：\u5b9e\u65f6\u9884\u89c8\u4e0e\u5c45\u4e2d<\/h4>\n

          def<\/span> _on_current_row_changed<\/span>(<\/span>self,<\/span> row:<\/span> int<\/span>,<\/span> prev_row:<\/span> int<\/span>)<\/span>:<\/span>
          \n """\u8868\u683c\u9009\u4e2d\u884c\u53d8\u5316 \u2192 \u5237\u65b0\u53f3\u4fa7\u9884\u89c8"""<\/span>
          \n if<\/span> 0<\/span> <=<\/span> row <<\/span> len<\/span>(<\/span>self.<\/span>_row_questions)<\/span>:<\/span>
          \n self.<\/span>_update_preview(<\/span>self.<\/span>_row_questions[<\/span>row]<\/span>)<\/span>
          \n else<\/span>:<\/span>
          \n self.<\/span>_set_preview_placeholder(<\/span>)<\/span><\/p>\n

          def<\/span> _update_preview<\/span>(<\/span>self,<\/span> q:<\/span> Question)<\/span>:<\/span>
          \n """\u6e32\u67d3\u9009\u4e2d\u4e60\u9898：\u5143\u4fe1\u606f + \u9898\u5e72(LaTeX)"""<\/span>
          \n ts =<\/span> q.<\/span>recorded_at or<\/span> 0<\/span>
          \n date_str =<\/span> time.<\/span>strftime(<\/span>"%Y-%m-%d"<\/span>,<\/span> time.<\/span>localtime(<\/span>ts)<\/span>)<\/span> if<\/span> ts else<\/span> ""<\/span>
          \n mistake =<\/span> "\u662f"<\/span> if<\/span> q.<\/span>is_mistake else<\/span> "\u5426"<\/span>
          \n meta =<\/span> (<\/span>
          \n f"\u5b66\u79d1：<\/span>{<\/span>q.<\/span>subject or<\/span> '-'<\/span>}<\/span><\/span>\u3000|\u3000\u96be\u5ea6：<\/span>{<\/span>q.<\/span>difficulty or<\/span> '-'<\/span>}<\/span><\/span>\u3000|\u3000\u6765\u6e90：<\/span>{<\/span>q.<\/span>source_type or<\/span> '-'<\/span>}<\/span><\/span>\\\\n"<\/span><\/span>
          \n f"\u5f55\u5165\u65f6\u95f4：<\/span>{<\/span>date_str or<\/span> '-'<\/span>}<\/span><\/span>\u3000|\u3000\u9519\u9898：<\/span>{<\/span>mistake}<\/span><\/span>"<\/span><\/span>
          \n )<\/span>
          \n self.<\/span>_meta_label.<\/span>setText(<\/span>meta)<\/span>
          \n self.<\/span>_viewer.<\/span>set_text(<\/span>q.<\/span>question_text or<\/span> "（\u7a7a\u9898）"<\/span>)<\/span><\/p>\n

          \u6e90\u7801\u4f4d\u7f6e：ui\/components\/common\/question_select_dialog.py L326-L343<\/p>\n

          \u8868\u683c\u9009\u4e2d\u884c\u53d8\u5316（currentCellChanged）\u2192 \u53f3\u4fa7\u9884\u89c8\u9762\u677f\u5237\u65b0：\u5143\u4fe1\u606f（\u5b66\u79d1\/\u96be\u5ea6\/\u6765\u6e90\/\u65f6\u95f4\/\u662f\u5426\u9519\u9898）\u8fdb _meta_label，\u9898\u5e72\u6587\u672c\u4ea4\u7ed9 LaTeXViewer（\u7b2c 82 \u7bc7\u8be6\u8ff0\u7684\u516c\u5f0f\u6e32\u67d3\u7ec4\u4ef6）\u6e32\u67d3\u3002**\u201c\u5217\u8868\u5b9a\u4f4d + \u9884\u89c8\u786e\u8ba4\u201d**\u8ba9\u8001\u5e08\u5728\u4e0d\u6253\u5f00\u9898\u76ee\u7684\u60c5\u51b5\u4e0b\u5c31\u80fd\u5224\u65ad"\u662f\u4e0d\u662f\u8fd9\u9053\u9898"\u3002<\/p>\n

          \u53e6\u4e00\u4e2a\u7ec6\u8282\u662f showEvent \u91cc\u7684\u624b\u52a8\u5c45\u4e2d：<\/p>\n

          def<\/span> showEvent<\/span>(<\/span>self,<\/span> event)<\/span>:<\/span>
          \n """\u9996\u6b21\u663e\u793a\u65f6\u5bf9\u7236\u7a97\u53e3\u5c45\u4e2d（QWebEngineView \u4f1a\u8df3\u8fc7\u9ed8\u8ba4\u5c45\u4e2d）；\u53e0\u52a0\u6697\u8272\u6807\u9898\u680f"""<\/span>
          \n super<\/span>(<\/span>)<\/span>.<\/span>showEvent(<\/span>event)<\/span>
          \n if<\/span> not<\/span> self.<\/span>_centered:<\/span>
          \n self.<\/span>_centered =<\/span> True<\/span>
          \n if<\/span> self.<\/span>parent(<\/span>)<\/span>:<\/span>
          \n target =<\/span> self.<\/span>parent(<\/span>)<\/span>.<\/span>window(<\/span>)<\/span>.<\/span>frameGeometry(<\/span>)<\/span>.<\/span>center(<\/span>)<\/span>
          \n else<\/span>:<\/span>
          \n target =<\/span> QGuiApplication.<\/span>primaryScreen(<\/span>)<\/span>.<\/span>availableGeometry(<\/span>)<\/span>.<\/span>center(<\/span>)<\/span>
          \n geo =<\/span> self.<\/span>frameGeometry(<\/span>)<\/span>
          \n geo.<\/span>moveCenter(<\/span>target)<\/span>
          \n self.<\/span>move(<\/span>geo.<\/span>topLeft(<\/span>)<\/span>)<\/span><\/p>\n

          \u6e90\u7801\u4f4d\u7f6e：ui\/components\/common\/question_select_dialog.py L33-L44<\/p>\n

          \u5f39\u7a97\u5185\u542b LaTeXViewer（\u57fa\u4e8e QWebEngineView），\u800c Qt \u5bf9\u542b WebEngine \u7684\u7a97\u53e3\u9ed8\u8ba4\u5c45\u4e2d\u673a\u5236\u4f1a\u88ab\u8df3\u8fc7，\u5f39\u7a97\u53ef\u80fd\u51fa\u73b0\u5728\u5c4f\u5e55\u89d2\u843d\u3002\u8fd9\u91cc\u5728\u9996\u6b21 showEvent \u624b\u52a8\u628a\u7a97\u53e3\u79fb\u5230\u7236\u7a97\u53e3\u4e2d\u5fc3，\u7528 _centered \u6807\u5fd7\u4fdd\u8bc1\u53ea\u6267\u884c\u4e00\u6b21\u3002<\/p>\n

          \u56db\u3001\u8bbe\u8ba1\u6743\u8861 \/ \u8e29\u5751\u8bb0\u5f55<\/h3>\n

          4.1 \u4e3a\u4ec0\u4e48\u7528\u5c5e\u6027\u56de\u4f20\u800c\u4e0d\u662f exec() \u8fd4\u56de\u503c？<\/h4>\n

          exec() \u7684\u8fd4\u56de\u8bed\u4e49\u662f\u7ed3\u679c\u7801（Accepted\/Rejected），\u585e id \u8fdb\u53bb\u4f1a\u6c61\u67d3\u8bed\u4e49；\u5c5e\u6027\u8bfb\u53d6\u5219\u628a"\u9009\u62e9\u7ed3\u679c"\u4f5c\u4e3a\u5bf9\u8bdd\u6846\u7684\u516c\u5f00\u72b6\u6001\u66b4\u9732\u3002\u8c03\u7528\u65b9\u6d41\u7a0b\u662f"\u5148\u5224 Accepted，\u518d\u8bfb\u5c5e\u6027"，\u4e0e Qt \u4e60\u60ef\u4e00\u81f4\u3002\u82e5\u672a\u6765\u9700\u8981"\u591a\u9009"，\u6539\u6210 selected_ids: List[str] \u5c5e\u6027\u5373\u53ef，\u8c03\u7528\u534f\u8bae\u4e0d\u53d8\u2014\u2014\u5c5e\u6027\u7684\u6269\u5c55\u6027\u4f18\u4e8e\u8fd4\u56de\u503c\u3002<\/p>\n

          4.2 \u4e3a\u4ec0\u4e48\u4e24\u4e2a\u5f39\u7a97\u5f62\u6001\u4e0d\u540c\u5374\u5171\u4eab"\u9009\u62e9\u5668"\u5fc3\u667a？<\/h4>\n

          \u867d\u7136\u4e00\u4e2a\u662f\u6811\u3001\u4e00\u4e2a\u662f\u8868\u683c，\u4f46\u4e24\u8005\u5bf9\u5916\u5951\u7ea6\u5b8c\u5168\u4e00\u81f4（\u6784\u9020\u4f20\u5217\u8868 \u2192 exec \u2192 \u5c5e\u6027\u53d6 id），\u9875\u9762\u5c42\u53ef\u4ee5\u65e0\u5dee\u522b\u6d88\u8d39\u3002\u8fd9\u662f"\u5185\u90e8\u5b9e\u73b0\u81ea\u7531\u3001\u5bf9\u5916\u5951\u7ea6\u7a33\u5b9a"\u7684\u5c01\u88c5\u6536\u76ca\u2014\u2014\u672a\u6765\u5b66\u751f\u5f39\u7a97\u60f3\u5347\u7ea7\u6210"\u5e26\u5934\u50cf\u5361\u7247"，\u9898\u76ee\u5f39\u7a97\u60f3\u52a0"\u6309\u9519\u9898\/\u6b63\u786e\u9898\u7b5b\u9009"，\u90fd\u53ea\u6539\u5185\u90e8，\u8c03\u7528\u65b9\u96f6\u6539\u52a8\u3002<\/p>\n

          4.3 \u5751：QWebEngineView \u5f39\u7a97\u4e0d\u5c45\u4e2d<\/h4>\n

          \u542b WebEngine \u7684 QDialog \u9996\u6b21\u663e\u793a\u4f4d\u7f6e\u5f02\u5e38\u662f Qt \u7684\u5df2\u77e5\u73b0\u8c61\u3002\u624b\u52a8 showEvent \u5c45\u4e2d\u65f6\u6ce8\u610f：\u5fc5\u987b\u7528 frameGeometry().center() \u800c\u4e0d\u662f geometry()（frame \u542b\u8fb9\u6846，\u5c45\u4e2d\u624d\u51c6\u786e），\u4e14\u7528 _centered \u6807\u5fd7\u9632\u6b62\u6bcf\u6b21\u663e\u793a\u90fd"\u8df3\u56de\u4e2d\u5fc3"\u3002<\/p>\n

          4.4 \u5751：\u96be\u5ea6\u5b57\u7b26\u4e32\u7684\u5b57\u5178\u5e8f\u9677\u9631<\/h4>\n

          \u9898\u76ee\u96be\u5ea6\u5b58\u7684\u662f \u201c\u6613\/\u4e2d\/\u96be\u201d \u5b57\u7b26\u4e32\u3002\u82e5\u76f4\u63a5\u6309\u5b57\u7b26\u4e32\u6392\u5e8f，\u201c\u4e2d\u201d \u548c \u201c\u96be\u201d \u7684\u987a\u5e8f\u5728 Unicode \u91cc\u662f"\u4e2d < \u96be"（\u6070\u597d\u5bf9），\u4f46"\u6613"\u6392\u5728"\u4e2d"\u4e4b\u524d\u2014\u2014\u5b57\u5178\u5e8f\u4e0e\u4e1a\u52a1\u5e8f\u6beb\u65e0\u5173\u7cfb\u3002_DIFF_RANK \u6620\u5c04\u662f\u552f\u4e00\u6b63\u786e\u505a\u6cd5，\u672a\u77e5\u540d\u96be\u5ea6\u5f52 99 \u515c\u5e95，\u4fdd\u8bc1\u810f\u6570\u636e\u4e0d\u7834\u574f\u6392\u5e8f\u7a33\u5b9a\u6027\u3002<\/p>\n

          4.5 \u53cc\u51fb\u786e\u8ba4\u4e0e\u5355\u9009\u786e\u8ba4\u5e76\u5b58<\/h4>\n

          \u4e24\u6761\u8def\u5f84\u90fd\u6536\u655b\u5230\u540c\u4e00\u4e2a\u7ed3\u679c：\u53cc\u51fb\u8def\u5f84\u76f4\u63a5 accept()；\u786e\u8ba4\u6309\u94ae\u8def\u5f84\u5148\u6821\u9a8c selectedRows() \u975e\u7a7a\u518d accept\u3002\u4e24\u6761\u8def\u5f84\u5171\u7528 _selected_student_id\/_selected_question_id \u5c5e\u6027，\u4e0d\u4f1a\u51fa\u73b0"\u4e00\u4e2a\u8def\u5f84\u6539\u4e86\u72b6\u6001\u53e6\u4e00\u4e2a\u4e0d\u77e5\u9053"\u7684\u5206\u53c9\u3002<\/p>\n

          \u4e94\u3001\u5c0f\u7ed3<\/h3>\n

          \u4e24\u4e2a\u9009\u62e9\u5f39\u7a97\u5408\u8d77\u6765\u6f14\u793a\u4e86"\u9009\u62e9\u5668"\u8fd9\u4e00\u8de8\u9875\u901a\u7528\u80fd\u529b\u7684\u5b8c\u6574\u8bbe\u8ba1：<\/p>\n

        • \u7edf\u4e00\u5951\u7ea6：\u6a21\u6001\u6267\u884c + \u5c5e\u6027\u56de\u4f20\u9009\u4e2d id，\u8c03\u7528\u65b9\u65e0\u5dee\u522b\u6d88\u8d39；<\/li>\n
        • \u5f62\u6001\u968f\u7ef4\u5ea6：\u5b66\u751f\u6309\u73ed\u7ea7\u5206\u7ec4（\u6811）\u3001\u9898\u76ee\u6309\u5b66\u79d1\/\u96be\u5ea6\u7b5b\u9009（\u53ef\u6392\u5e8f\u8868\u683c + LaTeX \u9884\u89c8），\u5f62\u6001\u5dee\u5f02\u6e90\u81ea\u7ec4\u7ec7\u7ef4\u5ea6\u5dee\u5f02；<\/li>\n
        • \u9632\u5446\u7ec6\u8282：\u5206\u7ec4\u9879\u4e0d\u53ef\u9009\u3001\u7a7a\u5173\u952e\u8bcd\u6062\u590d\u5168\u91cf\u3001\u96be\u5ea6\u679a\u4e3e\u6620\u5c04\u3001\u9884\u89c8\u8d8a\u754c\u4fdd\u62a4；<\/li>\n
        • \u517c\u5bb9\u5e73\u53f0\u5751：WebEngine \u5f39\u7a97\u624b\u52a8\u5c45\u4e2d，\u4e00\u6b21\u4fee\u590d\u5168\u5c40\u53d7\u76ca\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"

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