From a26bd4629e348908f4066f54ebbcec4f6236c19e Mon Sep 17 00:00:00 2001
From: cleverqin <705597001@qq.com>
Date: Thu, 11 Jun 2020 10:43:18 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E7=94=A8=E6=88=B7=E6=98=AF?=
 =?UTF-8?q?=E5=90=A6=E5=90=88=E6=B3=95=E7=9A=84=E5=88=A4=E6=96=AD?=
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---
 app.js | 33 ++++++++++++++++++++++++++-------
 1 file changed, 26 insertions(+), 7 deletions(-)

diff --git a/app.js b/app.js
index a8ad417..e89d91d 100644
--- a/app.js
+++ b/app.js
@@ -39,6 +39,21 @@ let kit = {
     } else {
       return "pc";
     }
+  },
+  addUser(user){
+    if(!user.id){
+      return
+    }
+    let id=user.id;
+    let index=-1;
+    users.forEach((item,i)=>{
+      if(item.id==id){
+        index=i;
+      }
+    })
+    if(index==-1){
+      users.push(user);
+    }
   }
 }
 //设置静态资源
@@ -112,13 +127,17 @@ io.sockets.on('connection',(socket)=>{
   //判断用户重新连接
   if(socket.handshake.query.User){
     let user=JSON.parse(socket.handshake.query.User);
-    socket.user = user;
-    user.roomId = socket.id;
-    user.address = socket.handshake.address.replace(/::ffff:/,"");
-    console.log("用户<"+user.name+">重新连接成功！")
-    socket.emit('loginSuccess', user, users);
-    users.push(user)
-    socket.broadcast.emit('system', user, 'join');
+    if(user.id){
+      socket.user = user;
+      user.roomId = socket.id;
+      user.address = socket.handshake.address.replace(/::ffff:/,"");
+      console.log("用户<"+user.name+">重新连接成功！")
+      socket.emit('loginSuccess', user, users);
+      kit.addUser(user)
+      socket.broadcast.emit('system', user, 'join');
+    }else {
+      console.log("非法链接用户")
+    }
   }
 });
 //启动服务器