/// <summary>
/// 立即购买 -> 确认收货地址 -> 确认支付
/// </summary>
/// <returns></returns>
public ActionResult PayApply()
{
//Init
bool flag = true;
string redirectUrl = "/WeShop/OrderList";
//Request
string openid = Request.QueryString["openid"];
string total_fee = Request.QueryString["total_fee"];
string orderNum = Request.QueryString["ordernum"];
string commTitle = Request.QueryString["title"];
string strContent = Request.QueryString["content"];
ViewBag.Content = strContent;
//检测是否给当前页面传递了相关参数
if (string.IsNullOrEmpty(openid) || string.IsNullOrEmpty(total_fee))
{
//Response.Write("<span style='color:#FF0000;font-size:20px'>" + "页面传参出错,请返回重试" + "</span>");
Log.Error(this.GetType().ToString(), "This page have not get params, cannot be inited, exit...");
flag = false;
ViewBag.CanSubmit = flag;
ViewBag.RedirectUrl = redirectUrl;
ViewBag.Msg = "页面传参出错,请返回重试！";
return View();
}
//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
JsApiPayCNa jsApiPay = new JsApiPayCNa(this.HttpContext);
jsApiPay.openid = openid;
jsApiPay.total_fee = int.Parse(total_fee) * 100;
//JSAPI支付预处理
try
{
//定制化具体参数
JsPayApiParam par = new JsPayApiParam();
par.out_trade_no = orderNum;
par.body = commTitle;
par.attach = strContent;
par.goods_tag = string.Empty;
WxPayData unifiedOrderResult = jsApiPay.GetUnifiedOrderResult(par);
string wxJsApiParam = jsApiPay.GetJsApiParameters();//获取H5调起JS API参数
Session["wxJsApiParam"] = wxJsApiParam;
Log.Debug(this.GetType().ToString(), "wxJsApiParam : " + wxJsApiParam);
////在页面上显示订单信息
//Response.Write("<span style='color:#00CD00;font-size:20px'>订单详情：</span><br/>");
//Response.Write("<span style='color:#00CD00;font-size:20px'>" + unifiedOrderResult.ToPrintStr() + "</span>");
}
catch (Exception ex)
{
//LogFileHelper.WriteLogByTxt("/WeToken/PayApply页面下单异常：" + ex.Message);
//Response.Write("<span style='color:#FF0000;font-size:20px'>" + "下单失败，请返回重试" + "</span>");
flag = false;
ViewBag.RedirectUrl = redirectUrl;
ViewBag.Msg = "下单失败，请返回重试！";
ViewBag.CanSubmit = flag;
LogFileHelper.WriteLogByTxt("PayApply页面生成 wxJsApiParam 异常信息：" + ex.Message);
return View();
}
ViewBag.CanSubmit = flag;
ViewBag.RedirectUrl = string.Empty;
ViewBag.Msg = string.Empty;
return View();
}
//重写
/**
* 调用统一下单，获得下单结果
* @return 统一下单结果
* @失败时抛异常WxPayException
*/
public WxPayData GetUnifiedOrderResult(JsPayApiParam par)
{
//统一下单
WxPayData data = new WxPayData();
data.SetValue("body", par.body);
data.SetValue("attach", par.attach);
data.SetValue("out_trade_no", par.out_trade_no);
data.SetValue("total_fee", total_fee);
data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
data.SetValue("time_expire", DateTime.Now.AddMinutes(par.ValidMinute).ToString("yyyyMMddHHmmss"));
data.SetValue("goods_tag", par.goods_tag);
data.SetValue("trade_type", "JSAPI");
if (string.IsNullOrEmpty(openid)) { openid = page.Session["openid"].ToString(); }
data.SetValue("openid", openid);
WxPayData result = WxPayApi.UnifiedOrder(data);
if (!result.IsSet("appid") || !result.IsSet("prepay_id") || result.GetValue("prepay_id").ToString() == "")
{
Log.Error(this.GetType().ToString(), "UnifiedOrder response error!");
throw new WxPayException("UnifiedOrder response error!");
}
unifiedOrderResult = result;
return result;
}
