first commit

cloudfunctions/updateMemberLocation/index.js

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+// 云函数入口文件
+const cloud = require('wx-server-sdk')
+
+cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV })
+const db = cloud.database()
+const _ = db.command
+
+exports.main = async (event, context) => {
+    const { roomId, memberOpenid, location } = event
+
+    if (!roomId || !memberOpenid || !location) {
+        return { success: false, msg: '缺少必要参数' }
+    }
+
+    try {
+        const roomRef = db.collection('rooms').doc(roomId)
+        const room = await roomRef.get()
+
+        if (!room.data) {
+            return { success: false, msg: '房间不存在' }
+        }
+
+        // 查找成员索引
+        const members = room.data.members || []
+        const memberIndex = members.findIndex(m => m.openid === memberOpenid)
+
+        if (memberIndex === -1) {
+            return { success: false, msg: '成员不存在' }
+        }
+
+        // 更新成员位置
+        members[memberIndex].location = location
+
+        await roomRef.update({
+            data: {
+                members: _.set(members)  // 使用 _.set 强制覆写 members 字段
+            }
+        })
+
+        return {
+            success: true,
+            msg: '位置更新成功'
+        }
+
+    } catch (err) {
+        console.error(err)
+        return {
+            success: false,
+            msg: '更新失败',
+            error: err
+        }
+    }
+}

cloudfunctions/updateMemberLocation/package.json

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+{
+  "name": "updateMemberLocation",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {},
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "wx-server-sdk": "3.0.1"
+  }
+}