import java.util.ArrayList;
import java.util.List;

import org.apache.commons.jxpath.ri.Compiler;
import org.apache.commons.jxpath.ri.compiler.NodeNameTest;
import org.apache.commons.jxpath.ri.compiler.NodeTest;
import org.apache.commons.jxpath.ri.compiler.NodeTypeTest;
import org.apache.commons.jxpath.ri.model.NodeIterator;
import org.apache.commons.jxpath.ri.model.NodePointer;
import org.apache.maven.api.xml.XmlNode;

):
    return {"q": q, "skip": skip, "limit": limit}


@app.get("/items/")
async def read_items(commons: dict = Depends(common_parameters)):
    return {"message": "Hello Items!", "params": commons}


@app.get("/users/")
async def read_users(commons: dict = Depends(common_parameters)):
    return {"message": "Hello Users!", "params": commons}


client = TestClient(app)


async def override_dependency(q: Union[str, None] = None):

在本例中，第一个 `CommonQueryParams` ：

```Python
commons: CommonQueryParams ...
```

...对于 **FastAPI** 没有任何特殊的意义。FastAPI 不会使用它进行数据转换、验证等 (因为对于这，它使用 `= Depends(CommonQueryParams)`)。

你实际上可以只这样编写:

```Python
commons = Depends(CommonQueryParams)
```

..就像:

{* ../../docs_src/dependencies/tutorial003_py310.py hl[17] *}

但是声明类型是被鼓励的，因为那样你的编辑器就会知道将传递什么作为参数 `commons` ，然后它可以帮助你完成代码，类型检查，等等：

    return {"q": q, "skip": skip, "limit": limit}


@app.get("/items/")
async def read_items(commons: dict = Depends(common_parameters)):
    return commons


@app.get("/users/")
async def read_users(commons: dict = Depends(common_parameters)):

    return {"q": q, "skip": skip, "limit": limit}


@app.get("/items/")
async def read_items(commons: Annotated[dict, Depends(common_parameters)]):
    return commons


@app.get("/users/")
async def read_users(commons: Annotated[dict, Depends(common_parameters)]):

 * under the License.
 */
package org.apache.maven.lifecycle;

import java.io.IOException;
import java.util.Iterator;

import org.apache.commons.jxpath.JXPathContext;
import org.apache.commons.jxpath.JXPathNotFoundException;
import org.apache.commons.jxpath.ri.JXPathContextReferenceImpl;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.project.harness.Xpp3DomPointerFactory;

reative-commons:before{content:"\f25e"}.fa-creative-commons-by:before{content:"\f4e7"}.fa-creative-commons-nc:before{content:"\f4e8"}.fa-creative-commons-nc-eu:before{content:"\f4e9"}.fa-creative-commons-nc-jp:before{content:"\f4ea"}.fa-creative-commons-nd:before{content:"\f4eb"}.fa-creative-commons-pd:before{content:"\f4ec"}.fa-creative-commons-pd-alt:before{content:"\f4ed"}.fa-creative-commons-remix:before{content:"\f4ee"}.fa-creative-commons-sa:before{content:"\f4ef"}.fa-creative-commons-samp...

{* ../../docs_src/dependencies/tutorial002.py hl[19] *}

**FastAPI**는 `CommonQueryParams` 클래스를 호출합니다. 이것은 해당 클래스의 "인스턴스"를 생성하고 그 인스턴스는 함수의 매개변수 `commons`로 전달됩니다.

## 타입 힌팅 vs `Depends`

위 코드에서 `CommonQueryParams`를 두 번 작성한 방식에 주목하십시오:

```Python
commons: CommonQueryParams = Depends(CommonQueryParams)
```

마지막 `CommonQueryParams` 변수를 보면:

```Python
... = Depends(CommonQueryParams)
```

import java.util.regex.Pattern;

import org.apache.commons.io.ByteOrderMark;
import org.apache.commons.io.input.BOMInputStream;
import org.apache.commons.text.translate.AggregateTranslator;
import org.apache.commons.text.translate.CharSequenceTranslator;
import org.apache.commons.text.translate.EntityArrays;
import org.apache.commons.text.translate.LookupTranslator;
import org.apache.commons.text.translate.NumericEntityUnescaper;

@app.get("/items/")
async def read_items(commons: Annotated[dict, Depends(common_parameters)]):
    return {"message": "Hello Items!", "params": commons}


@app.get("/users/")
async def read_users(commons: Annotated[dict, Depends(common_parameters)]):
    return {"message": "Hello Users!", "params": commons}


client = TestClient(app)