开始

app/utils/pagination.py

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+class Pagination:
+    def __init__(self, items, page, per_page, total):
+        self.items = items
+        self.page = page
+        self.per_page = per_page
+        self.total = total
+        self.pages = (total + per_page - 1) // per_page
+        self.has_prev = page > 1
+        self.has_next = page < self.pages
+        self.prev_num = page - 1
+        self.next_num = page + 1