From 1de0a28ba763285004a0725986779fc79646de0f Mon Sep 17 00:00:00 2001
From: suwings <suwings@outlook.com>
Date: Sun, 22 Apr 2018 23:23:17 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20-=20=E7=A6=81=E6=AD=A2?=
 =?UTF-8?q?=E8=A6=86=E7=9B=96=E6=88=96=E9=87=8D=E5=A4=8D=E7=99=BB=E5=BD=95?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 public/common/js/login.js | 11 +++++++++++
 route/user.js             |  6 ++++++
 2 files changed, 17 insertions(+)

diff --git a/public/common/js/login.js b/public/common/js/login.js
index 8416304e..1f362697 100644
--- a/public/common/js/login.js
+++ b/public/common/js/login.js
@@ -30,11 +30,22 @@ MCSERVER.login = function (username, password, rand, loginSuccess, loginError, e
 			},
 			success: function (data, textStatus) {
 				var obj = JSON.parse(data);
+				//后端指令操作
+				if (typeof obj['ResponseValue'] == 'number') {
+					var commande = Number.parseInt(obj['ResponseValue']);
+					if (commande == 302) {
+						alert("您已登录,不可重复或覆盖原先登录,我们将为你跳转网页....");
+						window.location.href = '../';
+					}
+					return;
+				}
+				//后端警告操作
 				if (typeof obj['ResponseValue'] == 'string') {
 					alert(obj['ResponseValue']);
 					loginError && loginError();
 					return;
 				}
+				//后端正常操作,判断密码与账户
 				if (obj['ResponseValue']) {
 					loginSuccess && loginSuccess();
 				} else {
diff --git a/route/user.js b/route/user.js
index 99f5feac..9189072f 100644
--- a/route/user.js
+++ b/route/user.js
@@ -76,6 +76,12 @@ router.post('/login', function (req, res) {
         return;
     }
 
+    //如果已经登录,则直接跳转
+    if (req.session['login'] || req.session['username']) {
+        response.returnMsg(res, 'login/check', 302);
+        return;
+    }
+
     //登陆次数加一
     counter.plus('login');