ADD file via upload

cloud index.js

@@ -0,0 +1,52 @@
+const cloud = require('wx-server-sdk');
+cloud.init();
+
+// 引入 xlsx 库用于解析 Excel 文件
+const XLSX = require('xlsx');
+
+exports.main = async (event, context) => {
+  const { fileID } = event;
+  const db = cloud.database();
+  const _ = db.command;
+
+  try {
+    console.log('Starting to import students...');
+
+    // 下载文件
+    const downloadResult = await cloud.downloadFile({ fileID });
+    const fileBuffer = downloadResult.fileContent;
+    console.log('File content:', fileBuffer.toString());
+
+    // 使用 xlsx 库解析 Excel 文件
+    const workbook = XLSX.read(fileBuffer, { type: 'buffer' });
+    const sheetName = workbook.SheetNames[0];
+    const worksheet = workbook.Sheets[sheetName];
+
+    // 手动跳过第一行（标题行）
+    const rows = XLSX.utils.sheet_to_json(worksheet, { header: 1 });
+    console.log('All rows:', rows);
+    const students = rows.slice(1).map(row => ({
+      id: row[0],
+      name: row[1],
+      points: parseFloat(row[2]) || 0
+    }));
+
+    console.log('Parsed students:', students);
+
+    // 插入数据到数据库
+    const result = await db.collection('students').add({
+      data: students
+    });
+
+    console.log('Students inserted into database:', result);
+
+    // 立即查询数据库，确保数据已经正确插入
+    const queryResult = await db.collection('students').get();
+    console.log('Query result after insertion:', queryResult);
+
+    return { success: true, message: 'Students imported successfully' };
+  } catch (error) {
+    console.error('Error importing students:', error);
+    return { success: false, message: 'Error importing students' };
+  }
+};