/// <summary>
/// 页面加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(AppId) && !string.IsNullOrEmpty(AppKey) && !string.IsNullOrEmpty(MchId))
{
PayUtil.SaveLog("单次支付开始", "");
PayUtil.SaveLog("传递支付参数", string.Format("OrderSN={0}、Body={1}、TotalFee={2}、Attach={3}、UserOpenId={4}", this.OrderSN, this.Body, this.TotalFee, this.Attach, this.UserOpenId));
#region 基本参数===========================
//设置package订单参数 具体参数列表请参考官方pdf文档，请勿随意设置
Hashtable hsRequest = new Hashtable();
hsRequest.Add("body", this.Body); //商品信息 127字符
hsRequest.Add("appid", AppId);
hsRequest.Add("mch_id", MchId);
hsRequest.Add("nonce_str", NonceStr.ToLower());
hsRequest.Add("notify_url", PayConfig.NotifyUrl);
hsRequest.Add("openid", this.UserOpenId);
hsRequest.Add("out_trade_no", this.OrderSN); //商家订单号
hsRequest.Add("spbill_create_ip", Page.Request.UserHostAddress); //用户的公网ip，不是商户服务器IP
hsRequest.Add("total_fee", this.TotalFee); //商品金额,以分为单位(money * 100).ToString()
hsRequest.Add("trade_type", "JSAPI");
if (!string.IsNullOrEmpty(this.Attach))
{
hsRequest.Add("attach", this.Attach);//自定义参数 127字符
}
#endregion
#region ===========生成签名==========
PayUtil.CreateMd5Sign(hsRequest, AppKey, Request.ContentEncoding.BodyName);
PayUtil.SaveLog("Pay页面Sign：", Sign);
#endregion
#region ===========获取package扩展包==========
hsRequest.Add("sign", Sign);
string data = PayUtil.ParseXML(hsRequest);
PayUtil.SaveLog("Pay页面package（XML）：", data);
string prepayXml = PayUtil.Send(data, "https://api.mch.weixin.qq.com/pay/unifiedorder");
PayUtil.SaveLog("Pay页面package（Back_XML）：", prepayXml);
//获取预支付ID
var xmlDoc = new XmlDocument();
xmlDoc.LoadXml(prepayXml);
XmlNode xn = xmlDoc.SelectSingleNode("xml");
XmlNodeList xnl = xn.ChildNodes;
if (xnl.Count > 7)
{
PrepayId = xnl[7].InnerText;
Package = string.Format("prepay_id={0}", PrepayId);
PayUtil.SaveLog("Pay页面package：", Package);
}
#endregion
#region =======生成【微信支付签名】=======
Hashtable hsPaySign = new Hashtable();
hsPaySign.Add("appId", AppId);
hsPaySign.Add("timeStamp", TimeStamp);
hsPaySign.Add("nonceStr", NonceStr);
hsPaySign.Add("package", Package);
hsPaySign.Add("signType", "MD5");
PaySign = PayUtil.CreateMd5Sign(hsPaySign, AppKey, Request.ContentEncoding.BodyName);
PayUtil.SaveLog("Pay页面paySign：", PaySign);
#endregion
//页面数据显示
BindData();
}
else
{
Response.Write("参数不正确");
Response.End();
}
}