/// <summary>
/// 统一下单, 获取预付单号
/// </summary>
/// <param name="trade_sheet">交易订单</param>
/// <param name="pay_notify_url">交易通知回调URL</param>
/// <param name="app_id">公众号appid</param>
/// <param name="mch_id">公众号mch_id</param>
/// <param name="mch_secret">公众号mch_secret</param>
/// <returns></returns>
public static WXTradeResUnifiedOrder unifiedOrder(TradeSheetBase trade_sheet, string pay_notify_url, string app_id, string mch_id, string mch_secret)
{
if (trade_sheet == null || trade_sheet.sheet_no.isNull())
{
return(new WXTradeResUnifiedOrder("传入订单信息有误"));
}
//将支付金额转换为分
if (trade_sheet.PayAmountCent <= 0)
{
return(new WXTradeResUnifiedOrder("传入金额有误"));
}
var post = new WXTradePostUnifiedOrder();
post.device_info = trade_sheet.device_info;
if (post.device_info.isNull())
{
post.device_info = "WEB";
}
post.body = trade_sheet.product_name;
post.out_trade_no = trade_sheet.sheet_no;
post.total_fee = trade_sheet.PayAmountCent.ToString();
post.spbill_create_ip = trade_sheet.client_ip;
post.trade_type = "JSAPI";
post.openid = trade_sheet.customer_open_id;
post.notify_url = pay_notify_url;
Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(post.getContent(app_id, mch_id, mch_secret)));
string response = HttpUtil.postStream(WXUrls.UNIFIED_ORDER, null, stream);
var result = new WXTradeResUnifiedOrder();
result.setContentString(response);
return(result);
}
/// <summary>
/// 统一下单, 获取预付单号
/// </summary>
/// <param name="trade_sheet">交易订单</param>
/// <returns></returns>
public WXTradeResUnifiedOrder unifiedOrder(TradeSheetBase trade_sheet)
{
return(WXUtil.unifiedOrder(trade_sheet, PAY_NOTIFY_URL, APP_ID, MCH_ID, MCH_SECRET));
}