102 lines
4.6 KiB
C#
102 lines
4.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Net.Http;
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using Codeplex.Data;
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namespace Deepleo.Weixin.SDK
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{
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/// <summary>
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/// 对应微信API的 "用户管理"=> "网页授权获取用户基本信息”
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/// http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
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/// </summary>
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public class OAuth2API
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{
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/// <summary>
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/// 第二步：通过code换取网页授权access_token
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/// </summary>
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/// <param name="code">第一步获取的code参数</param>
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/// <param name="appId">公众号的唯一标识</param>
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/// <param name="appSecret">公众号的appsecret</param>
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/// 正确时返回的JSON数据包如下：
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///{
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///"access_token":"ACCESS_TOKEN",
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///"expires_in":7200,
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///"refresh_token":"REFRESH_TOKEN",
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///"openid":"OPENID",
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///"scope":"SCOPE"
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///}
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///错误时微信会返回JSON数据包如下（示例为Code无效错误）:
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///{"errcode":40029,"errmsg":"invalid code"}
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/// <returns></returns>
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public static dynamic GetAccessToken(string code, string appId, string appSecret)
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{
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var client = new HttpClient();
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var result = client.GetAsync(string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", appId, appSecret, code)).Result;
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if (!result.IsSuccessStatusCode) return null;
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return DynamicJson.Parse(result.Content.ReadAsStringAsync().Result);
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}
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/// <summary>
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/// 第三步：刷新access_token（如果需要）
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/// 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。
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/// </summary>
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/// <param name="refreshToken">填写通过access_token获取到的refresh_token参数</param>
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/// <param name="appId">公众号的唯一标识</param>
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/// <returns>
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/// 正确时返回的JSON数据包如下：
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/// {
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/// "access_token":"ACCESS_TOKEN",
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/// "expires_in":7200,
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/// "refresh_token":"REFRESH_TOKEN",
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/// "openid":"OPENID",
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/// "scope":"SCOPE"
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/// }
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///
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/// 错误时微信会返回JSON数据包如下（示例为Code无效错误）:
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///{"errcode":40029,"errmsg":"invalid code"}
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/// </returns>
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public static dynamic RefreshAccess_token(string refreshToken, string appId)
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{
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var client = new HttpClient();
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var result = client.GetAsync(string.Format("https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={0}&grant_type=refresh_token&refresh_token={1}", appId, refreshToken)).Result;
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if (!result.IsSuccessStatusCode) return null;
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return DynamicJson.Parse(result.Content.ReadAsStringAsync().Result);
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}
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/// <summary>
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/// 第四步：拉取用户信息(需scope为 snsapi_userinfo)
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/// </summary>
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/// <param name="accessToekn">网页授权接口调用凭证,注意：此access_token与基础支持的access_token不同</param>
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/// <param name="openId">用户的唯一标识</param>
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/// <param name="lang">返回国家地区语言版本，zh_CN 简体，zh_TW 繁体，en 英语</param>
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/// <returns>
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/// 正确时返回的JSON数据包如下：
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/// {
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/// "openid":" OPENID",
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/// "nickname": NICKNAME,
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/// "sex":"1",
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/// "province":"PROVINCE"
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/// "city":"CITY",
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/// "country":"COUNTRY",
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/// "headimgurl": "http://wx.qlogo.cn/mmopen/g3MonUZtNHkdmzicIlibx6iaFqAc56vxLSUfpb6n5WKSYVY0ChQKkiaJSgQ1dZuTOgvLLrhJbERQQ4eMsv84eavHiaiceqxibJxCfHe/46",
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///"privilege":[
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///"PRIVILEGE1"
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///"PRIVILEGE2"
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/// ]
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///}
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///
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///错误时微信会返回JSON数据包如下（示例为openid无效）:
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///{"errcode":40003,"errmsg":" invalid openid "}
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/// </returns>
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public static dynamic GetUserInfo(string accessToekn, string openId, string lang = "zh_CN")
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{
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var client = new HttpClient();
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var result = client.GetAsync(string.Format("https://api.weixin.qq.com/sns/userinfo?access_token={0}&openid={1}&lang={2}", accessToekn, openId, lang)).Result;
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if (!result.IsSuccessStatusCode) return null;
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return DynamicJson.Parse(result.Content.ReadAsStringAsync().Result);
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}
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}
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}
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