- 以下是整合了所有功能的完整
main.py(在ESP32 007 MicroPython 适用于 Python 和 MicroPython 的小型 Web 框架库 Microdot基础上)，实现了： - Wi‑Fi 自动连接（支持静态 IP）；
- SD 卡挂载；
- 从
/sd/www/ 读取 HTML 和静态文件 - 浏览器浏览
/files 自动列出 SD 卡根目录文件并提供下载链接 - 通过
/download/ 路由下载文件 - 通过
/upload/ 路由上传文件
from microdot import Microdot, Response , redirect
from wifi import connect_wifi
from scard import SDCard
from machine import SPI, Pin
import os
def is_file(path):try:return not (os.stat(path)[0] & 0x4000) except:return False
def mount_sd():try:spi = SPI(2, baudrate=1_000_000,sck=Pin(5),mosi=Pin(6),miso=Pin(7))cs = Pin(4, Pin.OUT)sd = SDCard(spi, cs)os.mount(sd, '/sd')print("✅ SD 卡挂载成功:", os.listdir('/sd'))return Trueexcept Exception as e:print("❌ SD 卡挂载失败:", e)return False
connect_wifi()
mount_sd()Response.default_content_type = 'text/html'
app = Microdot()
@app.route('/')
def index(req):try:with open('/sd/www/index.html') as f:return f.read()except Exception as e:return f"<h1>无法加载主页</h1><p>{e}</p>", 500
@app.route('/files')
def list_sd_files(req):msg = req.args.get('msg', '')try:files = os.listdir('/sd')html = """<!DOCTYPE html><html><head><meta charset='utf-8'><title>SD 文件列表</title></head><body>"""html += "<h1>📁 SD 卡文件列表</h1>"if msg:html += f"<p style='color: green;'>{msg}</p>"html += """<form method="POST" action="/upload" enctype="multipart/form-data"><input type="file" name="file"><button type="submit">上传文件</button></form><hr><ul>"""for name in files:full_path = '/sd/' + nameif is_file(full_path):html += f"""<li><a href="/download/{name}">{name}</a><form style="display:inline" method="POST" action="/delete"><input type="hidden" name="filename" value="{name}"><button type="submit" onclick="return confirm('确定删除文件 {name} 吗？');">删除</button></form></li>"""html += "</ul></body></html>"return htmlexcept Exception as e:return f"<h1>无法读取 SD 卡文件</h1><p>{e}</p>", 500
@app.route('/delete', methods=['POST'])
def delete_file(req):filename = req.form.get('filename')if not filename:return "未指定文件名", 400filepath = '/sd/' + filenameif not is_file(filepath):return "文件不存在", 404try:os.remove(filepath)return redirect(f"/files?msg=文件 {filename} 删除成功！")except Exception as e:return f"删除文件失败: {e}", 500
@app.route('/upload', methods=['POST'])
def upload_file(req):try:content_type = req.headers.get('Content-Type', '')if 'multipart/form-data' not in content_type:return "请求类型错误", 400boundary = content_type.split("boundary=")[-1]body = req.bodyparts = body.split(b'--' + boundary.encode())for part in parts:if b'Content-Disposition' in part and b'filename=' in part:header, file_data = part.split(b'\r\n\r\n', 1)header_str = header.decode()filename = header_str.split('filename="')[-1].split('"')[0]file_data = file_data.rsplit(b'\r\n', 1)[0] with open('/sd/' + filename, 'wb') as f:f.write(file_data)return redirect(f"/files?msg=文件 {filename} 上传成功！")return "未找到上传文件", 400except Exception as e:return f"上传失败: {e}", 500
@app.route('/download/<filename>')
def download_file(req, filename):filepath = '/sd/' + filenameif not is_file(filepath):return '文件不存在', 404try:f = open(filepath, 'rb')return Response(f,headers={'Content-Type': 'application/octet-stream','Content-Disposition': 'attachment; filename="{}"'.format(filename)})except Exception as e:return f"读取文件失败: {e}", 500@app.route('/<path:path>')
def serve_static(req, path):full_path_www = '/sd/www/' + pathif is_file(full_path_www):try:return open(full_path_www).read()except:return '读取失败', 500return '404 Not Found', 404
app.run(host='0.0.0.0', port=80)
