from fastapi import FastAPI, File, UploadFile, HTTPException
from fastapi.responses import JSONResponse, FileResponse, HTMLResponse
import logging
import os
from datetime import datetime
import uvicorn# 初始化日志
logging.basicConfig(filename='file_server.log', level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
logger = logging.getLogger(__name__)script_dir = os.path.dirname(os.path.abspath(__file__))
pro_dir = os.path.abspath(os.path.join(script_dir, '..'))
dir_upload = os.path.abspath(os.path.join(pro_dir, 'files'))app = FastAPI()@app.post("/upload_file/")
async def upload_file(file: UploadFile = File(...)):"""接收上传的文件，保存到服务器，并返回文件信息。"""# 验证文件格式if file.content_type != "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet":raise HTTPException(status_code=400, detail="上传文件格式不符合要求")try:# 读取文件的二进制内容file_content = await file.read()# 调用save_upload_file函数保存文件file_info = await save_upload_file(dir_upload, file_content)if file_info is not None:# 如果文件保存成功，则返回文件信息return JSONResponse(content=file_info)else:# 文件保存失败，返回错误信息return JSONResponse(content={"message": "文件保存失败"}, status_code=500)except Exception as e:logger.error("文件上传错误: %s", str(e))return JSONResponse(content={"message": "文件上传失败"}, status_code=500)# 定义并实现文件保存函数
async def save_upload_file(dir_upload, file_content) -> dict:try:# 确保上传目录存在if not os.path.exists(dir_upload):os.makedirs(dir_upload)# 使用当前时间戳生成文件名timestamp = datetime.now().strftime("%Y%m%d%H%M%S")file_name = f"{timestamp}.xlsx"file_path = os.path.join(dir_upload, file_name)# 保存文件到指定路径with open(file_path, "wb") as f:f.write(file_content)file_size = os.path.getsize(file_path)return {"file_name": file_name,"file_path": file_path,"file_size": file_size}except Exception as e:logger.error("文件保存失败: %s", str(e))return None@app.get("/get_file/", summary="get file", tags=['文件'])
async def get_file(file_name: str):"""根据文件名提供文件的 HTTP 服务"""try:file_path = os.path.join(dir_upload, file_name)if not os.path.exists(file_path):return JSONResponse(content={"message": "文件未找到"}, status_code=404)return FileResponse(file_path, media_type="application/octet-stream", filename=file_name)except Exception as e:logger.error("文件下载错误: %s", str(e))return JSONResponse(content={"message": str(e)}, status_code=500)@app.get("/list_files/", response_class=HTMLResponse)
async def list_files():"""提供文件列表的 HTML 页面和文件上传功能"""try:files = sorted((f for f in os.listdir(dir_upload) if os.path.isfile(os.path.join(dir_upload, f))),key=lambda f: os.path.getmtime(os.path.join(dir_upload, f)),reverse=True)if not files:files_html = "<h2>没有可下载的文件</h2>"else:file_links = [f'<li><a href="/get_file/?file_name={file}">{file}</a></li>' for file in files]files_html = f"<ul>{''.join(file_links)}</ul>"html_content = f"""<html><head><title>文件列表和上传</title><script>async function uploadFile(event) {{event.preventDefault();const formData = new FormData();const fileField = document.querySelector('input[type="file"]');formData.append('file', fileField.files[0]);const response = await fetch('/upload_file/', {{method: 'POST',body: formData}});const result = await response.json();alert(result.message || '文件上传成功');window.location.reload();}}</script></head><body><h1>文件列表和上传</h1><form onsubmit="uploadFile(event)"><input type="file" name="file" accept=".xlsx" required><button type="submit">上传文件</button></form><h2>文件列表</h2>{files_html}</body></html>"""return HTMLResponse(content=html_content)except Exception as e:logger.error("文件列表生成错误: %s", str(e))return HTMLResponse(content=f"<h2>错误: {str(e)}</h2>", status_code=500)if __name__ == "__main__":## 线上模式# uvicorn.run("file_server:app", host="0.0.0.0", port=1300)## debug 模式uvicorn.run("file_server:app", host="0.0.0.0", port=1300, reload=True)
运行上述代码，打开http://127.0.0.1:1300/docs#/
接下来配置nginx文件
user _www;
worker_processes auto;
error_log /opt/homebrew/var/log/nginx/error.log;
pid /System/Volumes/Data/opt/homebrew/var/run/nginx.pid;# Events
events {worker_connections 1024;
}http {include /opt/homebrew/etc/nginx/mime.types;default_type application/octet-stream;log_format main '$remote_addr - $remote_user [$time_local] "$request" ''$status $body_bytes_sent "$http_referer" ''"$http_user_agent" "$http_x_forwarded_for"';access_log /opt/homebrew/var/log/nginx/access.log main;sendfile on;keepalive_timeout 65;types_hash_max_size 2048;gzip on;server {listen 81;server_name localhost;location /file/ {proxy_pass http://127.0.0.1:1300/upload_file/;}location /get_file/ {proxy_pass http://127.0.0.1:1300/get_file/;}location /list_files/ {proxy_pass http://127.0.0.1:1300/list_files/;}}
}接下来：
访问http://127.0.0.1:81/list_files/ http://127.0.0.1:1300/list_files/ 均可以打开对应网站
)
)
 线程信息 - 线程控制)
