工具方法 

  1 import base64, time, os, configparser, uuid, datetime
  2 from hashlib import md5
  3 
  4 
  5 def get_img_base64(path):
  6     """
  7     图片转base64
  8     :param path: 图片路径
  9     :return: str(base64)
 10     """
 11     with open(path, 'rb') as f:
 12         str = base64.b64encode(f.read())
 13     return str
 14 
 15 def save_img(response, path):
 16     """
 17     将response的图片保存
 18     :param response:
 19     :param path: 图片路径
 20     """
 21     with open(path, 'wb') as f:
 22         f.write(response.read())
 23 
 24 def get_hash_md5(str, salt=''):
 25     """
 26     md5加密
 27     :param str: 密码
 28     :param salt: 加盐
 29     :return: md5
 30     """
 31     if salt:
 32         str = str + salt
 33     hash_md5 = md5()
 34     hash_md5.update(str.encode('utf-8'))
 35     return hash_md5.hexdigest()
 36 
 37 def get_time_stamp_s():
 38     """
 39     获取时间戳(秒)
 40     :return: str(秒时间戳)
 41     """
 42     t = time.time()  # int
 43     return str(int(t))
 44 
 45 def get_time_stamp_ms():
 46     """
 47     获取时间戳(毫秒)
 48     :return: str(毫秒时间戳)
 49     """
 50     t = time.time()
 51     nowTime = lambda:int(round(t * 1000))  # int
 52     return str(nowTime())
 53 
 54 def get_now():
 55     """
 56     获取当前时间
 57     :return: yyyy-MM-dd HH:mm:ss.SSS
 58     """
 59     return datetime.datetime.now()
 60 
 61 def read_config():
 62     """
 63     读取配置文件
 64     :return:
 65     """
 66     dir_now = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 67     conf = configparser.ConfigParser()
 68     conf.read(dir_now+'/config.ini')
 69     return conf
 70 
 71 def querySet_to_json(querySet):
 72     """
 73     querySet转json
 74     :param querySet:
 75     :return:
 76     """
 77     from django.core import serializers
 78     return serializers.serialize('json',querySet)
 79 
 80 def executeQuery(sql):
 81     """
 82     将sql转化为dict
 83     :param sql:
 84     :return:dict
 85     """
 86     from django.db import connection
 87     cursor = connection.cursor()  # 获得一个游标(cursor)对象
 88     cursor.execute(sql)
 89     rawData = cursor.fetchall()
 90 
 91     col_names = [desc[0] for desc in cursor.description]
 92 
 93     result = []
 94     for row in rawData:
 95         objDict = {}
 96         # 把每一行的数据遍历出来放到Dict中
 97         for index, value in enumerate(row):
 98             objDict[col_names[index]] = value
 99 
100         result.append(objDict)
101 
102     return result
103 
104 
105 def get_uuid():
106     """
107     获取uuid
108     :return:uuid
109     """
110     return str(uuid.uuid4()).replace('-', '')

 

posted @ 2018-11-29 15:34  面向bug编程  阅读(136)  评论(0)    收藏  举报