152 lines
7.2 KiB
C#
152 lines
7.2 KiB
C#
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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 PublicPay : 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.QueryString["code"].String;
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//自己传递的参数被回调回来了，面值、流水号、机构id(例如total_fee:{0},serial:{1},orgid:{2})
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private string state = WeiSha.Common.Request.QueryString["state"].String;
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int total_fee = 0; //充值的钱数
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string serial = string.Empty; //流水号，即商户订单号
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int orgid = 0; //机构id
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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 notify_url = string.Empty; //回调地址
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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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Song.Entities.MoneyAccount moneyAccount = 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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//初始化数据，主要是解析state
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if (!string.IsNullOrWhiteSpace(state)) initData(state);
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//获取token和openid
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if (!string.IsNullOrWhiteSpace(code)) GetOpenidAndAccessTokenFromCode(code);
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//当前登录账号
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if (acc == null) Response.Redirect("/mobile/login.ashx");
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//支付
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JsApiPayPage();
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if (string.IsNullOrWhiteSpace(wxJsApiParam)) wxJsApiParam = "\"\"";
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}
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/// <summary>
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/// 初始化数据
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/// </summary>
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private void initData(string state)
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{
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int pi = 0;
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foreach (string s in state.Split(','))
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{
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string[] arr = s.Split(':');
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if (arr[0] == "serial") serial = arr[1];
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if (arr[0] == "pi") int.TryParse(arr[1], out pi);
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}
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this.payInterface = Business.Do<IPayInterface>().PaySingle(pi);
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this.moneyAccount = Business.Do<IAccounts>().MoneySingle(serial);
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total_fee = (int)(moneyAccount.Ma_Money * 100);
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orgid = moneyAccount.Org_ID;
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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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//回调地址
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notify_url = this.payInterface.Pai_Returl;
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if (string.IsNullOrWhiteSpace(notify_url)) notify_url = "http://" + WeiSha.Common.Server.Domain + "/";
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if (!notify_url.EndsWith("/")) notify_url += "/";
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notify_url += "Pay/Weixin/ResultNotifyPage.aspx";
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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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//构造获取openid及access_token的url
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WxPayAPI.WxPayData data = new WxPayAPI.WxPayData();
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data.SetValue("appid", appid);
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data.SetValue("secret", secret);
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data.SetValue("code", code);
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data.SetValue("grant_type", "authorization_code");
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string url = "https://api.weixin.qq.com/sns/oauth2/access_token?" + data.ToUrl();
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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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//Log.Debug(this.GetType().ToString(), "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.GetType().ToString(), ex.ToString());
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//throw new WxPayAPI.WxPayException(ex.ToString());
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}
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}
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/// <summary>
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/// 生成js调用相关数据
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/// </summary>
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public void JsApiPayPage()
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{
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if (!IsPostBack)
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{
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//检测是否给当前页面传递了相关参数
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if (string.IsNullOrEmpty(openid) || total_fee<=0)
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{
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Response.Write("<span style='color:#FF0000;font-size:20px'>" + "页面传参出错,请返回重试" + "</span>");
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WxPayAPI.Log.Error(this.GetType().ToString(), "This page have not get params, cannot be inited, exit...");
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return;
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}
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//若传递了相关参数，则调统一下单接口，获得后续相关接口的入口参数
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JsApiPay jsApiPay = new JsApiPay(this);
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jsApiPay.openid = openid;
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jsApiPay.total_fee = total_fee;
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//JSAPI支付预处理
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try
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{
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//付款方信息
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string buyer=string.Empty;
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if (acc != null) buyer = string.IsNullOrWhiteSpace(acc.Ac_MobiTel1) ? acc.Ac_AccName : acc.Ac_MobiTel1;
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Song.Entities.Organization org = Business.Do<IOrganization>().OrganSingle(orgid);
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//统一下单
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WxPayData unifiedOrderResult = jsApiPay.GetUnifiedOrderResult("JSAPI", org.Org_PlatformName, serial, appid, mchid, paykey, notify_url, buyer);
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//获取H5调起JS API参数
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wxJsApiParam = jsApiPay.GetJsApiParameters(paykey);// 用于前端js调用
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WxPayAPI.Log.Debug(this.GetType().ToString(), "wxJsApiParam : " + wxJsApiParam);
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//在页面上显示订单信息
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//Response.Write("<span style='color:#00CD00;font-size:20px'>订单详情：</span><br/>");
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//Response.Write("<span style='color:#00CD00;font-size:20px'>" + unifiedOrderResult.ToPrintStr() + "</span>");
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}
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catch (Exception ex)
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{
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Response.Write("<span style='color:#FF0000;font-size:20px;'>" + "下单失败，请返回重试。请情：" + ex.Message + "</span>");
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}
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}
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}
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}
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}
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