59 lines
2.5 KiB
C#
59 lines
2.5 KiB
C#
using System;
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using System.Collections.Generic;
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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 System.Net;
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using System.IO;
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using System.Threading;
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using LitJson;
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using System.Web.Security;
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namespace WxPayAPI
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{
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public partial class JsApiPayPage : System.Web.UI.Page
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{
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public static string wxJsApiParam {get;set;} //H5调起JS API参数
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protected void Page_Load(object sender, EventArgs e)
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{
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Log.Info(this.GetType().ToString(), "page load");
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if (!IsPostBack)
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{
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string openid = Request.QueryString["openid"];
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string total_fee = Request.QueryString["total_fee"];
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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) || string.IsNullOrEmpty(total_fee))
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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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Log.Error(this.GetType().ToString(), "This page have not get params, cannot be inited, exit...");
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submit.Visible = false;
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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 = int.Parse(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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//统一下单
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WxPayData unifiedOrderResult = jsApiPay.GetUnifiedOrderResult(WxPayApi.GenerateOutTradeNo());
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//获取H5调起JS API参数
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wxJsApiParam = jsApiPay.GetJsApiParameters(WxPayConfig.KEY);// 用于前端js调用
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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" + "</span>");
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submit.Visible = false;
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}
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}
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}
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}
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} |