微信公共服务平台开发(.Net 的实现)2-------获得ACCESSTOKEN
程序员文章站
2022-05-28 19:33:52
成为了开发者之后微信平台会给您appid和secret,在订阅号中是没有的,所以因该申请一下服务号
有了accesstoken才能做添加菜单,上传/下载图片等功能
private string g...
成为了开发者之后微信平台会给您appid和secret,在订阅号中是没有的,所以因该申请一下服务号
有了accesstoken才能做添加菜单,上传/下载图片等功能
private string gettoken() { // 也可以这样写: //return getpage("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=你的appid&secret=你的secret", ""); string res = ""; httpwebrequest req = (httpwebrequest)httpwebrequest.create("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential &appid=你的appid&secret=你的secret"); req.method = "get"; using (webresponse wr = req.getresponse()) { httpwebresponse myresponse = (httpwebresponse)req.getresponse(); streamreader reader = new streamreader(myresponse.getresponsestream(), encoding.utf8); string content = reader.readtoend(); list myaccesstoken = json.jsonstringtolist(content); res = myaccesstoken[0].access_token; } return res; } public string getpage(string posturl, string postdata) { stream outstream = null; stream instream = null; streamreader sr = null; httpwebresponse response = null; httpwebrequest request = null; encoding encoding = encoding.utf8; byte[] data = encoding.getbytes(postdata); // 准备请求... try { // 设置参数 request = webrequest.create(posturl) as httpwebrequest; cookiecontainer cookiecontainer = new cookiecontainer(); request.cookiecontainer = cookiecontainer; request.allowautoredirect = true; request.method = "post"; request.contenttype = "application/x-www-form-urlencoded"; request.contentlength = data.length; outstream = request.getrequeststream(); outstream.write(data, 0, data.length); outstream.close(); //发送请求并获取相应回应数据 response = request.getresponse() as httpwebresponse; //直到request.getresponse()程序才开始向目标网页发送post请求 instream = response.getresponsestream(); sr = new streamreader(instream, encoding); //返回结果网页(html)代码 string content = sr.readtoend(); string err = string.empty; return content; } catch (exception ex) { string err = ex.message; response.write(err); return string.empty; } }
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