update

app/Http/Controllers/Mobile/CourseController.php

@@ -1077,27 +1077,35 @@ class CourseController extends CommonController
         if ($validator->fails()) {
             return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
         }
+        $monthTs = strtotime($all['month'] . '-01');
+        if ($monthTs === false) {
+            return $this->fail([ResponseCode::ERROR_PARAMETER, '月份格式错误']);
+        }
+        $monthStart = date('Y-m-01 00:00:00', $monthTs);
+        $monthEnd = date('Y-m-t 23:59:59', $monthTs);
+
         $list = Calendar::with('course', 'courseContent')
             ->where(function ($query) use ($all) {
                 if (isset($all['type'])) {
                     $query->where('type', $all['type']);
                 }
-            })->where('start_time', 'like', '%' . $all['month'] . '%')
+            })->where(function ($query) use ($monthStart, $monthEnd) {
+                $query->whereBetween('start_time', [$monthStart, $monthEnd])
+                    ->orWhereBetween('end_time', [$monthStart, $monthEnd])
+                    ->orWhere(function ($sub) use ($monthStart, $monthEnd) {
+                        $sub->where('start_time', '<=', $monthStart)
+                            ->where('end_time', '>=', $monthEnd);
+                    });
+            })
             ->where('is_publish', 1)
             ->orderBy('start_time', 'asc')
             ->get();
 
         $list->each(function ($calendar) {
-            if (!empty($calendar->course)) {
-                $calendar->course->start_time = $this->formatDateTimeWithSeconds($calendar->course->start_time ?? null);
-                $calendar->course->end_time = $this->formatDateTimeWithSeconds($calendar->course->end_time ?? null);
-            }
-            if (!empty($calendar->courseContent)) {
-                $calendar->courseContent->each(function ($content) {
-                    $content->start_time = $this->formatDateTimeWithSeconds($content->start_time ?? null);
-                    $content->end_time = $this->formatDateTimeWithSeconds($content->end_time ?? null);
-                });
-            }
+            $rawStartTime = $calendar->start_time ?? null;
+            $rawEndTime = $calendar->end_time ?? null;
+            $calendar->start_time = $this->normalizeCalendarDateTime($rawStartTime, $rawEndTime, true);
+            $calendar->end_time = $this->normalizeCalendarDateTime($rawStartTime, $rawEndTime, false);
         });
 
         return $this->success($list);
@@ -1112,7 +1120,24 @@ class CourseController extends CommonController
         if ($timestamp === false) {
             return $value;
         }
-        return date('Y-m-d 00:00:00', $timestamp);
+        return date('Y-m-d H:i:s', $timestamp);
+    }
+
+    private function normalizeCalendarDateTime($startValue, $endValue, $isStart = true)
+    {
+        $start = $this->formatDateTimeWithSeconds($startValue);
+        $end = $this->formatDateTimeWithSeconds($endValue);
+        $target = $isStart ? $start : $end;
+        if (empty($target)) {
+            return $target;
+        }
+
+        // 跨天事件统一按“日期维度”返回，避免前端以时分秒切段时漏首日
+        if (!empty($start) && !empty($end) && date('Y-m-d', strtotime($start)) !== date('Y-m-d', strtotime($end))) {
+            return date('Y-m-d 00:00:00', strtotime($target));
+        }
+
+        return $target;
     }
 
 }