怎么上传本地文件呢？有没有大佬知道 about qwen-free-api HOT 5 CLOSED

response = client.chat.completions.create(
    model="qwen",
    messages = [
        {
            "role": "user",
            "content": [
                {
                    "type": "file",
                    "file_url": {
                        "url": "data:text/plain;base64,aSBhbSBhIGdvb2QgYm95"
                    }
                },
                {
                    "type": "text",
                    "text": "上传的文档说了什么"
                }
            ]
        }
    ],
)