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本文详细介绍了如何使用Python实现微信JS-SDK签名的生成过程，包括获取access_token、jsapi_ticket，以及生成nonceStr、timestamp等参数，最后通过SHA1算法生成signature。

部署运行你感兴趣的模型镜像

import time
import requests
import hashlib
import random
import string


class wxJdkParmasView(object):
    ''' 1, 此处官方文档明确提到用户需要缓存jsapi_ticket
           因为其api调用次数非常有限,根据文档说明我把获取基础支持的acess_token和ticket写到了一起

        2, 此类是给前端js_JDK构造参数，并得到 nonceStr，signature，timestamp 的类，调用signutareEncryption()即可

        3, signature生成需要一下几个参数noncestr（随机字符串）,
           有效的jsapi_ticket, timestamp（时间戳），
           url（当前网页的URL，不包含#及其后面部分)
    '''

    def __init__(self, url):

        # app_id
        self.app_id = "xxxxxxx"
        # nonceStr
        self.app_secret = "xxxxxxxxxx"
        # 获取access_token链接
        # https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET
        self.base_get_access_token = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={}&secret={}'.format(self.app_id, self.app_secret)
        # 获取ticket链接
        # https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi
        self.get_ticket_url = 'https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={}&type=jsapi'
        # 生成signature的参数
        self.ret = {
            'nonceStr': self.__create_nonce_str(),
            'timestamp': self.__create_timestamp(),
            'jsapi_ticket': self.__get_ticket(),
            'url': url
        }
        self.signutareEncryption()

    def get_access_token(self):
        '''从微信端获取access_token'''
        try:
            access_token = requests.get(self.base_get_access_token).json()['access_token']
            # access_token = "23_oZS_nQaKMC5UjbfzDJ48Jsaz6hPhLjWg3pVDCd2tva1hM19nQTdimLH-Dn-Hy0da2NDFdgM0AvKkkR48WKBUwTQkjRJLl2PAD0ZcKgpvIw9Qn3vWBI6B6YDYnm4T-UnOfn7Hj-x_B_ZCHNnVKLUeACAYZI"
            # 缓存并设置过期时间
            # cache.set(key, access_token, 110 * 60)
            return access_token
        except:
            return "获取access_token异常"

    def __get_ticket(self):
        '''获取tickey'''
        try:
            access_token = self.get_access_token()
            # 获取ticket
            ticket = requests.get(self.get_ticket_url.format(access_token)).json()['ticket']
            print(ticket)
                # print("Redis中保存ticketA正常%s"%cache.get('ticket'))

            return ticket
        except:
            return "获取tickey异常"

    def __create_nonce_str(self):
        '''从a-zA-Z0-9生成指定数量的随机字符'''

        return ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(15))

    def __create_timestamp(self):
        '''生成时间戳'''

        return int(time.time())

    def signutareEncryption(self):
        '''生成签名signature'''

        string = '&'.join(['%s=%s' % (key.lower(), self.ret[key]) for key in sorted(self.ret)]).encode('utf-8')
        signature = hashlib.sha1(string).hexdigest()
        # 返回js_jdk参数
        response = dict()
        response['signature'] = signature
        response['timestamp'] = self.ret.get('timestamp')
        response['nonce']=self.ret.get('nonceStr')
        response['appid'] = self.app_id
        return response

if __name__ == '__main__':
    print(wxJdkParmasView('https://blog.youkuaiyun.com/GodLordGee/article/details/89382886').signutareEncryption())

# -*- coding: utf-8 -*-
from wechatpy import WeChatClient
import time
import requests
import hashlib
import random
import string


class wxJdkParmasView(object):
    ''' 1, 此处官方文档明确提到用户需要缓存jsapi_ticket
           因为其api调用次数非常有限,根据文档说明我把获取基础支持的acess_token和ticket写到了一起

        2, 此类是给前端js_JDK构造参数，并得到 nonceStr，signature，timestamp 的类，调用signutareEncryption()即可

        3, signature生成需要一下几个参数noncestr（随机字符串）,
           有效的jsapi_ticket, timestamp（时间戳），
           url（当前网页的URL，不包含#及其后面部分)
    '''

    def __init__(self, url):

        # app_id
        self.app_id = "xxxxxxxxxx"
        # nonceStr
        self.app_secret = "xxxxxxxxxxxxxxxxx"
        self.client = WeChatClient(self.app_id, self.app_secret)
        # 获取access_token链接
        # https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET
        self.base_get_access_token = self.client.fetch_access_token()
        # 获取ticket链接
        # https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi
        self.get_ticket_url = self.client.jsapi.get_jsapi_card_ticket()
        print(self.get_ticket_url)
        # 生成signature的参数
        self.ret = {
            'nonceStr': self.__create_nonce_str(),
            'timestamp': self.__create_timestamp(),
            # 'jsapi_ticket': self.__get_ticket(),
            'jsapi_ticket': self.get_ticket_url,
            'url': url
        }
        self.signutareEncryption()

    def get_access_token(self):
        '''从微信端获取access_token'''
        try:
            access_token = requests.get(self.base_get_access_token).json()['access_token']
            # access_token = "23_oZS_nQaKMC5UjbfzDJ48Jsaz6hPhLjWg3pVDCd2tva1hM19nQTdimLH-Dn-Hy0da2NDFdgM0AvKkkR48WKBUwTQkjRJLl2PAD0ZcKgpvIw9Qn3vWBI6B6YDYnm4T-UnOfn7Hj-x_B_ZCHNnVKLUeACAYZI"
            # 缓存并设置过期时间
            # cache.set(key, access_token, 110 * 60)
            return access_token
        except:
            return "获取access_token异常"

    def __get_ticket(self):
        '''获取tickey'''
        try:
            access_token = self.get_access_token()
            # 获取ticket
            ticket = requests.get(self.get_ticket_url.format(access_token)).json()['ticket']
            return ticket
        except:
            return "获取tickey异常"

    def __create_nonce_str(self):
        '''从a-zA-Z0-9生成指定数量的随机字符'''

        return ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(15))

    def __create_timestamp(self):
        '''生成时间戳'''

        return int(time.time())

    def signutareEncryption(self):
        '''生成签名signature'''

        string = '&'.join(['%s=%s' % (key.lower(), self.ret[key]) for key in sorted(self.ret)]).encode('utf-8')
        signature = hashlib.sha1(string).hexdigest()
        # 返回js_jdk参数
        response = dict()
        response['signature'] = signature
        response['timestamp'] = self.ret.get('timestamp')
        response['nonce']=self.ret.get('nonceStr')
        response['appid'] = self.app_id
        return response

if __name__ == '__main__':
    print(wxJdkParmasView('https://blog.youkuaiyun.com/GodLordGee/article/details/89382886').signutareEncryption())