/// <summary>
/// 第四步：拉取用户信息(需scope为 snsapi_userinfo)
/// </summary>
/// <param name="accessToken"></param>
/// <param name="openId">要获取用信息的用户OpenId</param>
/// <returns></returns>
public static OAuthUserInfo GetUserInfo(string accessToken, string openId)
{
var url = string.Format("https://api.weixin.qq.com/sns/userinfo?access_token={0}&openid={1}", accessToken, openId);
string result = RequestUtility.HttpGet(url, null);
return(ApiHelper.GetResult <OAuthUserInfo>(result));
}
/// <summary>
/// 从微信公众平台API获取信息的公共方法
/// </summary>
/// <param name="urlFormat">API接口地址格式</param>
/// <param name="accessToken">微信公众号访问授权AccessToken</param>
/// <param name="querys">除了AccessToken还需要传递的其他参数</param>
/// <returns></returns>
public static T Get <T>(string accessToken, string urlFormat, params string[] querys)
{
var url = GetApiUrl(urlFormat, accessToken, querys);
string result = RequestUtility.HttpGet(url, null);
return(GetResult <T>(result));
}
/// <summary>
/// 获取当前菜单，如果菜单不存在，将返回null
/// </summary>
/// <param name="accessToken"></param>
/// <returns></returns>
public static GetMenuResult GetMenu(string accessToken)
{
//微信公众平台获取自定义菜单接口地址
var url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/get?access_token={0}", accessToken);
var jsonString = RequestUtility.HttpGet(url, Encoding.UTF8);
GetMenuResult finalResult;
//JavaScriptSerializer js = new JavaScriptSerializer();
try
{
//获取自定义菜单Json结构
var jsonResult = JsonConvert.DeserializeObject <GetMenuResultJson>(jsonString);
if (jsonResult.menu == null || jsonResult.menu.button.Count == 0)
{
throw new WeiXinException(jsonResult.errmsg);
}
//将Json结构自定义菜单转换为自定义菜单实体
finalResult = GetMenuFromJsonResult(jsonResult);
}
catch (WeiXinException)
{
finalResult = null;
}
return(finalResult);
}
/// <summary>
/// 第三步：刷新access_token（如果需要）
/// 由于access_token拥有较短的有效期，当access_token超时后，可以使用refresh_token进行刷新，
/// refresh_token拥有较长的有效期（7天、30天、60天、90天），当refresh_token失效的后，需要用户重新授权。
/// </summary>
/// <param name="appId">公众号的appid</param>
/// <param name="refreshToken">填写通过第二步获取到的refresh_token参数</param>
/// <param name="grantType"></param>
/// <returns></returns>
public static OAuthAccessTokenResult RefreshToken(string appId, string refreshToken, string grantType = "refresh_token")
{
var url =
string.Format("https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={0}&grant_type={1}&refresh_token={2}",
appId, grantType, refreshToken);
string result = RequestUtility.HttpGet(url, null);
return(ApiHelper.GetResult <OAuthAccessTokenResult>(result));
}
/// <summary>
/// 第二步：获取AccessToken
/// 用户访问第一步网页授权页面后，无论同意或拒绝，都会返回redirectUrl页面。
/// 如果用户同意授权，页面将跳转至 redirect_uri/?code=CODE&state=STATE。
/// 若用户禁止授权，则重定向后不会带上code参数，仅会带上state参数redirect_uri?state=STATE
/// </summary>
/// <param name="appId">公众号的appid</param>
/// <param name="secret">公众号的appsecret</param>
/// <param name="code">code作为换取access_token的票据，每次用户授权带上的code将不一样，
/// code只能使用一次，5分钟未被使用自动过期。</param>
/// <param name="grantType">目前只有authorization_code一种</param>
/// <returns></returns>
public static OAuthAccessTokenResult GetAccessToken(string appId, string secret, string code, string grantType = "authorization_code")
{
var url =
string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type={3}",
appId, secret, code, grantType);
string result = RequestUtility.HttpGet(url, null);
return(ApiHelper.GetResult <OAuthAccessTokenResult>(result));
}
/// <summary>
/// 获取凭证接口
/// </summary>
/// <param name="grant_type">获取access_token填写client_credential</param>
/// <param name="appid">第三方用户唯一凭证</param>
/// <param name="secret">第三方用户唯一凭证密钥，既appsecret</param>
/// <returns></returns>
public static AccessTokenResult GetToken(string appid, string secret, string grant_type = "client_credential")
{
//微信公众平台获取access_token接口地址
string url = string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type={0}&appid={1}&secret={2}",
grant_type, appid, secret);
string result = RequestUtility.HttpGet(url, null);
return(ApiHelper.GetResult <AccessTokenResult>(result));
}
/// <summary>
/// 获取小程序的授权信息
/// </summary>
/// <param name="appId">小程序appid</param>
/// <param name="secret">小程序秘钥</param>
/// <param name="jsCode">登录code</param>
/// <param name="grantType">授权类型</param>
/// <returns></returns>
public static OAuthResult GetOAuthResult(string appId, string secret, string jsCode, string grantType = "authorization_code")
{
var url =
string.Format("https://api.weixin.qq.com/sns/jscode2session?appid={0}&secret={1}&js_code={2}&grant_type=authorization_code",
appId, secret, jsCode, grantType);
string result = RequestUtility.HttpGet(url, null);
return(ApiHelper.GetResult <OAuthResult>(result));
}