Create index.js

index.js

@@ -0,0 +1,45 @@
+const express = require('express');
+const fetch = require('node-fetch');
+const sharp = require('sharp');
+
+const app = express();
+
+app.get('/resize', async (req, res) => {
+  const imageUrl = req.query.q;
+
+  if (!imageUrl) {
+    console.error('没有提供图像 URL');
+    return res.status(400).send('没有提供图像 URL');
+  }
+
+  try {
+    const response = await fetch(imageUrl);
+    if (!response.ok) {
+      throw new Error(`获取图像失败: ${response.statusText}`);
+    }
+    const imageBuffer = await response.buffer();
+    console.log('原始图像大小:', imageBuffer.byteLength);
+
+    // 使用 sharp 库来调整图像大小
+    const resizedImageBuffer = await sharp(imageBuffer).resize(100).toBuffer();
+    console.log('压缩后的图像大小:', resizedImageBuffer.byteLength);
+
+    // 将压缩后的图像转换为 Base64 编码的数据
+    const base64Image = resizedImageBuffer.toString('base64');
+
+    res.setHeader('Content-Type', 'text/plain');
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
+    res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
+    res.setHeader('Access-Control-Max-Age', '86400');
+    res.send(base64Image);
+  } catch (error) {
+    console.error('压缩图像时出错:', error);
+    res.status(500).send('压缩图像时出错');
+  }
+});
+
+const PORT = process.env.PORT || 7860;
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});