add write to file

eda/gray_stat/ffm_get_data.py

@@ -49,6 +49,14 @@ def ctr(date):
     if exp != 0:
         print("点击率："+str(click/exp))
 
+    return click,exp,click/exp
+
+def rate2file():
+    output_path = DIRECTORY_PATH + "rate.csv"
+    with open(output_path,'a+') as f:
+        line = get_yesterday_date().replace('-', '')+','+str(ctr(date)[0])+','+str(ctr(date)[1])+','+str(ctr(date)[2])+'\n'
+        f.write(line)
+
 if __name__ == "__main__":
     date = get_yesterday_date()
     ctr(date)