From 89f0ea742f1f46dce0914ebf865b69a888c0692b Mon Sep 17 00:00:00 2001
From: hello <stacks@outlook.com>
Date: Tue, 9 Apr 2024 07:58:42 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=86=E9=A1=B5=E5=AE=9E=E7=8E=B0=E5=92=8C?=
 =?UTF-8?q?=E5=A4=9A=E6=9D=A1=E4=BB=B6=E6=9F=A5=E8=AF=A2?=
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---
 notes/helloshop/{pagging.md => paging.md} | 28 +++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 rename notes/helloshop/{pagging.md => paging.md} (74%)

diff --git a/notes/helloshop/pagging.md b/notes/helloshop/paging.md
similarity index 74%
rename from notes/helloshop/pagging.md
rename to notes/helloshop/paging.md
index c3ce78f..4b6aa88 100644
--- a/notes/helloshop/pagging.md
+++ b/notes/helloshop/paging.md
@@ -103,3 +103,31 @@ public async Task<ActionResult<PagedResponse<UserListItem>>> GetUsers([FromQuery
     return new PagedResponse<UserListItem>(mapper.Map<List<UserListItem>>(await pagedUsers.ToListAsync()), await users.CountAsync());
 }
 ```
+
+## 实现灵活的复杂查询
+
+可以使用 OData 或者 GraphQL 来实现更复杂的查询。
+
+OData 是一种基于 REST 的协议，它使用 URL 来查询和操作数据。OData 通过 URL 查询字符串参数来过滤、排序、分页和选择数据。示例：
+
+```shell
+http://localhost:8080/api/products?$filter=price gt 100&$orderby=price desc&$top=5&$skip=10
+```
+
+关于 OData 的更多信息请参考 [零度 OData 课程](https://www.xcode.me/Training?keyword=odata)
+
+GraphQL 是一种用于 API 的查询语言，它提供了一种更高效、强大和灵活的替代方案。GraphQL 通过一个单一的端点来查询和操作数据。示例：
+
+```shell
+http://localhost:8080/graphql
+```
+
+```graphql
+query {
+  products(filter: {price: {gt: 100}}, orderBy: {price: desc}, top: 5, skip: 10) {
+    id
+    name
+    price
+  }
+}
+```
\ No newline at end of file