初始版本，目前线上可用

backEnd/src/lib/pagination/pagination.ts

@@ -0,0 +1,83 @@
+import { getConnection, Between } from "typeorm";
+import { Request } from "express";
+
+type paginationType<T> = {
+  list: T[] | any[];
+  total: number;
+  pageSize: number;
+  pageNumber: number;
+};
+
+const filterKeys = ["pwd"];
+const DATE_REGEX = /^\d{4}-\d{2}-\d{2}$/;
+
+/**
+ * 处理日期查询参数
+ */
+function processDateParams(params: { [key: string]: any }): {
+  [key: string]: any;
+} {
+  const processed = {} as Record<string, any>;
+
+  for (const [key, value] of Object.entries(params)) {
+    if (typeof value === "string" && DATE_REGEX.test(value)) {
+      // 处理日期范围
+      const start = new Date(`${value}T00:00:00`);
+      const end = new Date(`${value}T23:59:59`);
+      processed[key] = Between(start, end);
+    } else {
+      processed[key] = value;
+    }
+  }
+
+  return processed;
+}
+
+/**
+ * 获取分页参数
+ */
+function getPaginationParams(req: Request): {
+  pageSize: number;
+  pageNumber: number;
+} {
+  const { pageSize = 10, pageNumber = 1 } =
+    req.method === "GET" ? req.query : req.body;
+
+  return {
+    pageSize: Math.max(1, parseInt(pageSize as string, 10)),
+    pageNumber: Math.max(1, parseInt(pageNumber as string, 10)),
+  };
+}
+
+/**
+ * 分页查询封装
+ */
+export default async function getPagination<T>(
+  entity: Function,
+  req: Request,
+  queryParams?: { [key: string]: any }
+): Promise<paginationType<T>> {
+  try {
+    const { pageSize, pageNumber } = getPaginationParams(req);
+    const repository = getConnection().manager.getRepository(entity);
+
+    // 处理日期查询参数
+    const processedWhere = queryParams ? processDateParams(queryParams) : {};
+
+    const [list, total] = await repository.findAndCount({
+      where: processedWhere,
+      order: { createDate: "DESC" },
+      skip: (pageNumber - 1) * pageSize,
+      take: pageSize,
+    });
+
+    // 过滤敏感字段
+    list.forEach((item) => {
+      filterKeys.forEach((key) => delete item[key]);
+    });
+
+    return { list, total, pageSize, pageNumber };
+  } catch (err) {
+    throw new Error(`分页查询出错: ${err.message}`);
+  }
+}