# -*- coding: utf-8 -*-#!/usr/bin/python# filename: login_admin.py# codedtime: 2014-9-7 11:26:11import bottleimport mysql.connector  # 導入mysql數據庫連接器def check_userinfo():  a_list = []  # 創建一個空列表  username = bottle.request.GET.get('loginname','').strip() # 用戶名  password = bottle.request.GET.get('password','').strip()  # 密碼  if username is not None or password is not None:    try:      # 連接數據庫       conn = mysql.connector.connect(user='root', password='123456', database='myblog')         cursor = conn.cursor() # 創建數據游標            # 執行查詢      query = ("SELECT username, password FROM mb_users "           "WHERE username=%s and password=%s")      cursor.execute(query, (username, password))      a_list = cursor.fetchall() # fetchone獲取一個元組      #count = int(cursor.rowcount) # 獲取元組個數       return a_list    except mysql.connector.Error as err:      print("Something went wrong: {}".format(err))      exit()          finally:      conn.commit() # 提交修改      cursor.close() # 關閉數據庫      conn.close()  else:    return a_listdef login_admin():  if bottle.request.GET.get('bs-submit','').strip(): #點擊登錄按鈕    a_list = check_userinfo()    if a_list:      a_name = a_list[0][0] # 獲得用戶名      return bottle.template('templates/index_user.tpl', username = a_name)    else:      return bottle.template('templates/login_admin.tpl', action='/login_admin',               error_info='請輸入正確的用戶名或密碼！')  else:    return bottle.template('templates/login_admin.tpl', action='', error_info=' ')