From b4f74c0733300af30ca507ce80828c78f3dc8b52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=B9=E8=AF=9A=E8=AF=9A?= <ycc@hainatravel.com>
Date: Tue, 15 Jun 2021 11:26:48 +0800
Subject: [PATCH 1/2] =?UTF-8?q?=E8=B0=83=E8=AF=95=E4=BF=A1=E6=81=AF?=
 =?UTF-8?q?=E6=8E=A8=E8=8D=90?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 application/controllers/information.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/application/controllers/information.php b/application/controllers/information.php
index 77bd21f7..e9e9f843 100644
--- a/application/controllers/information.php
+++ b/application/controllers/information.php
@@ -1174,7 +1174,6 @@ class Information extends CI_Controller
             }
         }
 
-
         foreach ($group_recommands as $item) {
             if (empty($data[$item->ir_name])) {
                 $result = $this->recommand_information_rule($information, $root_detail, $item, $exclude_ids);
@@ -1184,6 +1183,7 @@ class Information extends CI_Controller
             }
         }
         //print_r($data);
+		log_message('error',  'exclude_ids: '.$information->ic_url.' '.implode(',',$exclude_ids));
         return $data;
     }
 

From 758cfc864c13082842ed99838adcdbf01a631709 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=B9=E8=AF=9A=E8=AF=9A?= <ycc@hainatravel.com>
Date: Tue, 15 Jun 2021 13:44:15 +0800
Subject: [PATCH 2/2] =?UTF-8?q?=E6=8E=A8=E8=8D=90=E4=BF=A1=E6=81=AF?=
 =?UTF-8?q?=E7=9A=84=E8=8C=83=E5=9B=B4=E5=86=85=E9=9A=8F=E6=9C=BA=E4=B8=8D?=
 =?UTF-8?q?=E9=87=8D=E5=A4=8D=E5=A4=84=E7=90=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 application/controllers/information.php  |  6 ++++--
 application/models/information_model.php | 15 +++++++++++++++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/application/controllers/information.php b/application/controllers/information.php
index e9e9f843..ab42515a 100644
--- a/application/controllers/information.php
+++ b/application/controllers/information.php
@@ -1142,8 +1142,10 @@ class Information extends CI_Controller
         }
         //读取备用节点
         if (empty($data) && !empty($recommand->ir_urls)) {//查不到信息并且备选urls不为空，则随机选一条
+//            $url_array = explode("\n", $recommand->ir_urls);
+//            $data = $this->Information_model->Detail(trim($url_array[rand(0, count($url_array) - 1)]));
             $url_array = explode("\n", $recommand->ir_urls);
-            $data = $this->Information_model->Detail(trim($url_array[rand(0, count($url_array) - 1)]));
+            $data = $this->Information_model->random_range(1,$url_array, $exclude_ids);
         }
         if (!empty($data)) {
             $exclude_ids[] = $data->is_id;
@@ -1183,7 +1185,7 @@ class Information extends CI_Controller
             }
         }
         //print_r($data);
-		log_message('error',  'exclude_ids: '.$information->ic_url.' '.implode(',',$exclude_ids));
+		//log_message('error',  'exclude_ids: '.$information->ic_url.' '.implode(',',$exclude_ids));
         return $data;
     }
 
diff --git a/application/models/information_model.php b/application/models/information_model.php
index 32d59ffb..31706317 100644
--- a/application/models/information_model.php
+++ b/application/models/information_model.php
@@ -105,6 +105,21 @@ class Information_model extends CI_Model {
         return $this->GetList();
     }
 
+    //在urls列表里面，随机获取N条数据，并且排除某些id
+    function random_range($topnum,array $url_array,array $exclude_ids){
+        $this->init();
+        $this->topNum = $topnum;
+        $this->search =' AND ( 1=2 ';
+        foreach ($url_array as $item){
+            $this->search .= ' OR ic_url= '.$this->HT->escape(trim($item));
+        }
+        $this->search .=' )';
+        $exclude_ids_string=implode(',',$exclude_ids);
+        $this->search .= " AND ic_status=1  AND is_id NOT in ($exclude_ids_string,0)";
+        $this->orderBy = " ORDER BY  NewID()  ";
+        return $this->GetList();
+    }
+
     //根据url搜索信息
     function search_url($url) {
         $this->init();