企业微信接口文档
1. 构造授权网页链接
2.回调获取到 Code 通过code+access_token去 请求用户信息
调试准备工作 -->内网穿透+域名 推荐向日葵有免费的,免费的开发测试够用了
域名的配置成可信用
上代码 Demo下载
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[ApiController]
[Route("api/[controller]")]
public class Auth2Controller : ControllerBase
{
private readonly string _agentId = "1000002";
private readonly string _secret = "Y3f8ESBIBJoC8M_FPHOlpvmghS_Nn2ceFePRVZjw9_E";
private readonly string _corpId = "wwbf72a7a059eac0f8";
/// <summary>
/// 授权地址
/// </summary>
private readonly string _auth2url = "https://open.weixin.qq.com/connect/oauth2/authorize";
/// <summary>
/// 授权回调地址
/// </summary>
private readonly string _callbackurl = "http://******.zicp.vip/auth2callback/api/Auth2/Callback";
/// <summary>
/// 获取access_token地址
/// </summary>
private readonly string _gettokenurl = "https://qyapi.weixin.qq.com/cgi-bin/gettoken";
/// <summary>
/// 获取访问用户身份地址
/// </summary>
private readonly string _getuserurl = "https://qyapi.weixin.qq.com/cgi-bin/user/getuserinfo";
private readonly ILogger<Auth2Controller> _logger;
private readonly IHttpClientFactory _clientFactory;
private readonly IMemoryCache _memoryCache;
public Auth2Controller(ILogger<Auth2Controller> logger, IHttpClientFactory clientFactory, IMemoryCache memoryCache)
{
_logger = logger;
_clientFactory = clientFactory;
_memoryCache = memoryCache;
}
[HttpGet]
public IActionResult Auth2(string redirecturi)
{
string strurl = $"{_auth2url}?" +
$"&appid={_corpId}" +
$"&redirect_uri={System.Web.HttpUtility.UrlEncode(_callbackurl)}" +
$"&response_type=code" +
$"&scope={_secret}" +
$"&agentid={_agentId}" +
$"&state={System.Web.HttpUtility.UrlEncode(redirecturi)}#wechat_redirect";
return Redirect(strurl);
}
[HttpGet("Callback")]
public async Task<IActionResult> Callback(string code, string state)
{
/**
1）code只能消费一次，不能重复消费。比如说，是否存在多个服务器同时消费同一code情况。
2）code需要在有效期间消费（5分钟），过期会自动失效。
*/
string access_token = await GetAccessToken();
string url = $"{_getuserurl}?access_token={access_token}&code=[code]";
HttpResponseMessage response = await _clientFactory.CreateClient().GetAsync(url);
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
using (var responseStream = await response.Content.ReadAsStreamAsync())
{
var userinfo = JsonConvert.DeserializeObject<dynamic>(new StreamReader(responseStream).ReadToEnd());
int errcode = userinfo.errcode;
if (errcode == 0)
{
//企业成员
string UserId = userinfo.UserId;
//外部成员
string OpenId = userinfo.OpenId;
/**
userid是系统生成的可以修改一次;
所以后面的业务逻辑如果遇到错误就要重新授权一下;
*/
if (UserId==null)
{
_memoryCache.Set<string>("UserId", OpenId);
}
else
{
_memoryCache.Set<string>("UserId", UserId);
}
}
else
{
_logger.LogError($"getuserinfo请求错误:{userinfo.errmsg}");
return Ok();
}
}
}
return Redirect($"{System.Web.HttpUtility.UrlDecode(state)}?UserId={_memoryCache.Get<string>("UserId")}");
}
public async Task<string> GetAccessToken()
{
if (_memoryCache.Get<string>("AccessToken") == null)
{
string url = $"{_gettokenurl}?corpid={_corpId}&corpsecret={_secret}";
HttpResponseMessage response = await _clientFactory.CreateClient().GetAsync(url);
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
using (var responseStream = await response.Content.ReadAsStreamAsync())
{
var access_token_result = JsonConvert.DeserializeObject<dynamic>(new StreamReader(responseStream).ReadToEnd());
int errcode = access_token_result.errcode;
if (errcode == 0)
{
string access_token = access_token_result.access_token;
int expires_in = access_token_result.expires_in;
_memoryCache.Set<string>("AccessToken", access_token, DateTimeOffset.Now.AddSeconds(expires_in - 10));
}
else
{
_logger.LogError($"access_token请求错误:{access_token_result.errmsg }");
}
}
}
}
return _memoryCache.Get<string>("AccessToken");
}
}
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原文链接：https://www.cnblogs.com/SuperDust/p/13769975.html