Update templates/index.html

templates/index.html

@@ -322,18 +322,27 @@
     </div>
 
     <script>
-        let currentWeek = 1;
+        let currentWeek = getCurrentWeek(); // 使用 getCurrentWeek() 函数获取当前周次
 
         function initializeWeeks() {
-            const weekSelect = document.getElementById("week-select");
-            for (let i = 1; i <= 18; i++) {
-                const option = document.createElement("option");
-                option.value = i;
-                option.textContent = `第${i}周`;
-                weekSelect.appendChild(option);
+        const weekSelect = document.getElementById("week-select");
+        for (let i = 1; i <= 18; i++) {
+            const option = document.createElement("option");
+            option.value = i;
+            option.textContent = `第${i}周`;
+            if (i === currentWeek) {
+                option.selected = true; // 默认选中当前周次
             }
+            weekSelect.appendChild(option);
+        }
+        }
+        function getCurrentWeek() {
+            const firstWeekStartDate = new Date("2024-09-02"); // 假设第一周从2024年9月2日（周一）开始
+            const today = new Date();
+            const timeDifference = today - firstWeekStartDate;
+            const daysDifference = Math.floor(timeDifference / (1000 * 60 * 60 * 24));
+            return Math.floor(daysDifference / 7) + 1; // 根据天数计算当前周次
         }
-
         function loadTeachers() {
             fetch(`/api/teachers`)  // 请求教师列表的API
                 .then(response => response.json())