数据查询优化

app.js

@@ -620,6 +620,15 @@ document.addEventListener('click', async event => {
     if (action === 'result-exam-filter') {
       state.resultExamFilter = target.dataset.id;
       state.resultSubjectFilter = '';
+      ['resultEntryTable', 'featureScoreTable', 'resultTable'].forEach(key => {
+        if (state.tablePages[key]) state.tablePages[key].page = 1;
+      });
+      return renderRoute();
+    }
+    if (action === 'table-page') {
+      const key = target.dataset.tableKey;
+      const current = state.tablePages[key] || { page: 1, pageSize: 50 };
+      state.tablePages[key] = { ...current, page: Math.max(1, Number(target.dataset.page) || 1) };
       return renderRoute();
     }
     if (action === 'cancel-result-import') {
@@ -699,6 +708,12 @@ document.addEventListener('input', event => {
 });
 
 document.addEventListener('change', event => {
+  if (event.target.matches('[data-action="table-page-size"]')) {
+    const key = event.target.dataset.tableKey;
+    state.tablePages[key] = { page: 1, pageSize: Number(event.target.value) || 50 };
+    renderRoute();
+    return;
+  }
   if (event.target.matches('[data-placement-select]')) updatePlacementSelection();
   if (event.target.matches('[data-placement-select-all]')) {
     const table = document.getElementById(event.target.dataset.target);
@@ -710,10 +725,14 @@ document.addEventListener('change', event => {
   if (event.target.matches('[data-action="result-bulk-exam"]')) {
     state.resultExamFilter = event.target.value;
     state.resultSubjectFilter = '';
+    ['resultEntryTable', 'featureScoreTable', 'resultTable'].forEach(key => {
+      if (state.tablePages[key]) state.tablePages[key].page = 1;
+    });
     renderRoute();
   }
   if (event.target.matches('[data-action="result-bulk-subject"]')) {
     state.resultSubjectFilter = event.target.value;
+    if (state.tablePages.resultEntryTable) state.tablePages.resultEntryTable.page = 1;
     renderRoute();
   }
   if (event.target.matches('[data-qualification-select]')) updateQualificationSelection(event.target.closest('.qualification-ledger'));