From b201a64d8b7343f41d89e6242d9ca4bfd9bb9060 Mon Sep 17 00:00:00 2001
From: pzrxqba79 <1994211138@qq.com>
Date: Fri, 11 Oct 2024 14:28:12 +0800
Subject: [PATCH] Add out.py

---
 out.py | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 out.py

diff --git a/out.py b/out.py
new file mode 100644
index 0000000..a869b48
--- /dev/null
+++ b/out.py
@@ -0,0 +1,75 @@
+const express = require('express');
+const multer = require('multer');
+const path = require('path');
+const fs = require('fs');
+const fsPromises = fs.promises;
+const morgan = require('morgan');
+
+// 创建 Express 应用实例
+const app = express();
+const PORT = 3000; // 可以根据需要修改端口
+
+// 设置文件存储配置
+const storage = multer.diskStorage({
+    destination: async (req, file, cb) => {
+        const uploadDir = 'uploads/';
+        try {
+            // 检查 uploads 目录是否存在，如果不存在，则创建它
+            await fsPromises.mkdir(uploadDir, { recursive: true });
+            cb(null, uploadDir); // 指定文件上传目录
+        } catch (error) {
+            cb(error);
+        }
+    },
+    filename: (req, file, cb) => {
+        cb(null, Date.now() + path.extname(file.originalname));
+    }
+});
+
+// 创建上传实例，设置文件大小和类型限制
+const upload = multer({ 
+    storage,
+    limits: { fileSize: 5 * 1024 * 1024 }, // 限制文件大小为5MB
+    fileFilter: (req, file, cb) => {
+        const filetypes = /jpeg|jpg|png|gif|pdf/; // 允许的文件类型
+        const extname = filetypes.test(path.extname(file.originalname).toLowerCase());
+        const mimetype = filetypes.test(file.mimetype);
+        
+        if (mimetype && extname) {
+            return cb(null, true);
+        }
+        cb(new Error('只允许上传 JPEG, PNG, GIF 和 PDF 文件'));
+    }
+});
+
+// 中间件用于解析 JSON 和 URL 编码的数据
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(morgan('combined')); // 记录请求日志
+
+// 设置静态文件服务以提供前端页面
+app.use(express.static(path.join(__dirname, 'public')));
+
+// 定义文件上传接口
+app.post('/api/upload', upload.single('file'), (req, res) => {
+    if (!req.file) {
+        return res.status(400).json({ message: '没有文件上传' });
+    }
+    res.status(200).json({ message: '文件上传成功', filename: req.file.filename });
+});
+
+// 错误处理
+app.use((err, req, res, next) => {
+    if (err instanceof multer.MulterError) {
+        return res.status(400).json({ message: err.message });
+    } else if (err) {
+        console.error(err.stack);
+        return res.status(500).json({ message: '服务器内部错误' });
+    }
+    next();
+});
+
+// 启动服务器
+app.listen(PORT, () => {
+    console.log(`Server is running on http://localhost:${PORT}`);
+});
\ No newline at end of file