From e60fd9dd0c668b945f8e6461b4756403b3350982 Mon Sep 17 00:00:00 2001
From: gricn <gricn666@gmail.com>
Date: Wed, 6 May 2020 12:00:14 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=89=8D=E7=AB=AF=E7=94=A8?=
 =?UTF-8?q?=E6=88=B7=E6=B3=A8=E5=86=8C=E6=97=B6=E5=8F=91=E9=80=81=E9=87=8D?=
 =?UTF-8?q?=E5=A4=8Dopenid=E5=AF=BC=E8=87=B4=E6=8A=A5=E9=94=99=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 node/routes/register.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/node/routes/register.js b/node/routes/register.js
index 3dabe1b..e7e8247 100644
--- a/node/routes/register.js
+++ b/node/routes/register.js
@@ -7,8 +7,15 @@ const db = require('../db')
 register.post('/', async (req, res) => {
     try {
         const reqBody = req.body
-        await db.query('insert into userinfo(openid, gender,age,province_id)\
+        const numQuery = await db.query('select count(openid) from userinfo where openid = $1',[reqBody.openid])
+        const openidnum = numQuery.rows[0].count
+
+        if(openidnum == 0){
+            await db.query('insert into userinfo(openid, gender,age,province_id)\
          values ($1,$2,$3,$4)',[reqBody.openid, reqBody.gender, reqBody.age, reqBody.location])
+        }
+        res.send('receive register message successfully.')
+        
     } catch (e) {
         console.log(e)
     }