/// <summary>
/// 统一下单信息
/// </summary>
/// <param name="tradeNo">订单号</param>
/// <param name="totalFee">订单金额</param>
/// <param name="title">标题</param>
/// <param name="notifyUrl">回调Url</param>
/// <param name="openId">OpenId</param>
/// <param name="deviceIp">设备Ip</param>
/// <param name="tradeType">交易类型</param>
/// <param name="signType">签名类型</param>
public UnifiedOrderInfo(string tradeNo, decimal totalFee, string title, string notifyUrl, string openId, string deviceIp, TradeType tradeType = TradeType.JSAPI, WxPaySignType signType = WxPaySignType.MD5)
{
TradeNo = tradeNo;
TotalFee = totalFee;
Body = title;
NotifyUrl = notifyUrl;
OpenId = openId;
DeviceIp = deviceIp;
TradeType = tradeType;
SignType = signType;
}
/// <summary>
/// 创建微信支付签名
/// </summary>
/// <param name="dic"></param>
/// <param name="apiKey"></param>
/// <param name="signType"></param>
/// <returns></returns>
public static string GenerateWxPaySignature(Dictionary <string, string> dic, string apiKey, WxPaySignType signType)
{
var arr = dic.OrderBy(z => z.Key).ToArray();
string stringSign = string.Empty;
foreach (var item in arr)
{
if (!string.IsNullOrEmpty(item.Value))
{
stringSign += $"{item.Key}={item.Value}&";
}
}
stringSign += $"key={apiKey}";
string sign = string.Empty;
switch (signType)
{
case WxPaySignType.MD5:
sign = UtilityHelper.MD5Encrypt(stringSign).ToUpper();
break;
case WxPaySignType.SHA256:
sign = UtilityHelper.SHA256Encrypt(stringSign, apiKey).ToUpper();
break;
default:
throw new SignTypeNotSupportException($"{signType.ToString()}不受支持");
}
return(sign);
}
/// <summary>
/// 创建chooseWxPay配置
/// </summary>
/// <param name="unifiedOrder"></param>
/// <param name="signType"></param>
/// <returns></returns>
public ChooseWxPayConfig GenerateChooseWxPayConfig(UnifiedOrder unifiedOrder, WxPaySignType signType = WxPaySignType.MD5)
{
//转换字典
var dic = UtilityHelper.Obj2Dictionary(unifiedOrder);
//生成签名
unifiedOrder.sign = SignatureGenerater.GenerateWxPaySignature(dic, _baseSettings.ApiKey, signType);
//统一下单
var unifiedOrderResult = _wxPayInterfaceCaller.UnifiedOrder(unifiedOrder);
var nonceStr = UtilityHelper.GenerateNonce();
var timeStamp = UtilityHelper.GetTimeStamp();
var chooseWxPayConfig = new ChooseWxPayConfig()
{
nonceStr = nonceStr,
timestamp = timeStamp,
package = unifiedOrderResult.prepay_id,
signType = signType.GetDescription()
};
var paySign = SignatureGenerater.GenerateWxPaySignature(new Dictionary <string, string>()
{
{ "appId", _baseSettings.AppId },
{ "timeStamp", chooseWxPayConfig.timestamp.ToString() },
{ "nonceStr", chooseWxPayConfig.nonceStr },
{ "package", chooseWxPayConfig.package },
{ "signType", chooseWxPayConfig.signType }
}, _baseSettings.ApiKey, signType);
chooseWxPayConfig.paySign = paySign;
return(chooseWxPayConfig);
}
