104 lines
4.1 KiB
C#
104 lines
4.1 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.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using WeiSha.Common;
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using Song.ServiceInterfaces;
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using Song.Entities;
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using LitJson;
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using WxPayAPI;
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namespace Song.Site.Pay.Weixin
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{
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public partial class miniProgramOpenid : System.Web.UI.Page
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{
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//微信授权code，通过它获取access_token和openid
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private string code = WeiSha.Common.Request.Form["scode"].String;
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string mchid = string.Empty; //商户ID（微信支付中心的商户ID)
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string paykey = string.Empty; //商户支付密钥
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string appid = string.Empty; //公众号appid
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string secret = string.Empty; //公众号secret
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string token = string.Empty;
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string openid = string.Empty;
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//支付接口id
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Song.Entities.PayInterface payInterface = null;
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//当前账号
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protected Song.Entities.Accounts acc = Extend.LoginState.Accounts.CurrentUser;
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protected string path = WeiSha.Common.Upload.Get["Accounts"].Virtual;
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//H5调起JS API参数
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public static string wxJsApiParam { get; set; }
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protected void Page_Load(object sender, EventArgs e)
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{
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initData();
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//调试
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string msg = string.Format("小程序支付，第三步（获取Openid）：\r\n微信授权（来自小程序）Code：{0}", code);
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WxPayAPI.Log.Info(this.GetType().FullName, msg);
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if (!string.IsNullOrWhiteSpace(code)) GetOpenidAndAccessTokenFromCode(code);
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WxPayAPI.Log.Info(this, "小程序获取OpenID : " + openid);
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if (string.IsNullOrWhiteSpace(openid))
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{
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WxPayAPI.Log.Error(this, "小程序获取OpenID获取异常 : " + openid);
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}
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Response.Write(openid);
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Response.End();
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}
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/// <summary>
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/// 初始化接口
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/// </summary>
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private void initData()
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{
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Song.Entities.PayInterface[] pis = Business.Do<IPayInterface>().PayAll(-1, null, true);
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foreach (Song.Entities.PayInterface p in pis)
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{
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if (p.Pai_Pattern == "微信小程序支付")
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{
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this.payInterface = p;
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break;
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}
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}
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if (this.payInterface == null)
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{
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WxPayAPI.Log.Error(this, "小程序支付接口不存在！");
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}
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if (this.payInterface != null)
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{
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appid = payInterface.Pai_ParterID; //绑定支付的APPID（必须配置）
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secret = payInterface.Pai_Key; //公众帐号secert（仅JSAPI支付的时候需要配置）
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WeiSha.Common.CustomConfig config = CustomConfig.Load(payInterface.Pai_Config);
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mchid = config["MCHID"].Value.String; //商户id
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paykey = config["Paykey"].Value.String; //支付密钥
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}
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}
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/// <summary>
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/// 获取token和openid
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/// </summary>
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/// <param name="code"></param>
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public void GetOpenidAndAccessTokenFromCode(string code)
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{
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try
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{
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string url = "https://api.weixin.qq.com/sns/jscode2session?appid={0}&secret={1}&js_code={2}&grant_type=authorization_code";
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url = string.Format(url, appid, secret, code);
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//请求url以获取数据
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string result = WxPayAPI.HttpService.Get(url);
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WxPayAPI.Log.Debug(this, "GetOpenidAndAccessTokenFromCode response : " + result);
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//保存access_token，用于收货地址获取
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LitJson.JsonData jd = JsonMapper.ToObject(result);
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//token = (string)jd["access_token"];
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//获取用户openid
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openid = (string)jd["openid"];
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}
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catch (Exception ex)
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{
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WxPayAPI.Log.Error(this, ex.ToString());
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//throw new WxPayAPI.WxPayException(ex.ToString());
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}
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}
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}
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} |