public async Task <(bool, GetH5PaymentBeforeResponseDto)> GetH5PaymentBeforeAsync(GetH5PaymentBeforeResquestDto requstDto)
{
//微信下单
//随机字符串参数
string nonceStr = WeChatUtils.GetRandomString(16, false, true, true, false, string.Empty);
var unifiedOrderRequestDto = new UnifiedOrderRequestDto
{
AppId = PlatformSettings.CDClientAppId,
MerchantId = requstDto.MerchantId,
Body = requstDto.Body,
OutTradeNo = requstDto.OutTradeNo,
TotalFee = requstDto.TotalFee, //支付金额，单位分
NotifyUrl = requstDto.NotifyUrl, //支付通知回调
OpenId = requstDto.OpenId,
MerchantSecret = requstDto.MerchantSecret,
NonceStr = nonceStr
};
var unifiedRes = await UnifiedOrderAsync(unifiedOrderRequestDto);
if (!unifiedRes.IsReturnCodeSuccess() || !unifiedRes.IsResultCodeSuccess())
{
var errMsg = new StringBuilder();
errMsg.Append($"微信支付下单失败：return_msg-{unifiedRes.return_msg}|err_code-{unifiedRes.err_code}|err_code_des-{unifiedRes.err_code_des}");
errMsg.Append($"{Environment.NewLine}at SenparcPayBiz.GetH5PaymentBeforeAsync({JsonConvert.SerializeObject(requstDto)})");
Logger.Error(errMsg.ToString());
return(false, null);
}
var result = new GetH5PaymentBeforeResponseDto
{
AppId = unifiedOrderRequestDto.AppId,
TimeStamp = WeChatUtils.GetTimestamp(),
NonceStr = unifiedOrderRequestDto.NonceStr,
Package = $"prepay_id={unifiedRes.prepay_id}",
SignType = "MD5"
};
result.Sign = TenPayV3.GetJsPaySign(
unifiedOrderRequestDto.AppId,
result.TimeStamp, result.NonceStr,
result.Package,
unifiedOrderRequestDto.MerchantSecret,
"MD5");
return(true, result);
}
/// <summary>
/// 获取JS-SDK权限验证的签名Signature
/// </summary>
/// <param name="appId"></param>
/// <param name="appSecret"></param>
/// <param name="url">当前网页的URL，不包含#及其后面部分</param>
/// <returns></returns>
public static async Task <WeChatJsSDKSignatureResponse> GetSignatureAsync(string appId, string appSecret, string url)
{
var ticketResponse = await WeChartApi.GetJsAPITicket(appId, appSecret);
string ticket = ticketResponse.Ticket;
string noncestr = WeChatUtils.GetNoncestr();
string timestamp = WeChatUtils.GetTimestamp();
Hashtable val = new Hashtable();
val.Add("jsapi_ticket", ticket);
val.Add("noncestr", noncestr);
val.Add("timestamp", timestamp);
val.Add("url", url);
return(new WeChatJsSDKSignatureResponse
{
AppId = appId,
NonceStr = noncestr,
Timestamp = timestamp,
Signature = CreateSha1(val)
});
}
