修改模型训练文件

prepareData.py

@@ -27,6 +27,8 @@ def fetch_data(start_date, end_date):
     sql = "select cid,device_id,time,stat_date from data_feed_exposure2 " \
           "where stat_date >= '{0}' and stat_date <= '{1}'".format(start_date, end_date)
     start = time.time()
+    # 因为上面的db已经关了，索引需要在写一遍
+    db = pymysql.connect(host='10.66.157.22', port=4000, user='root', passwd='3SYz54LS9#^9sBvC', db='jerry_test')
     exposure = con_sql(db,sql)
     end = time.time()
     print("获取曝光表耗时{}分".format((end-start)/60))