/**
*
* 获取收货地址js函数入口参数,详情请参考收货地址共享接口：http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_9
* @return string 共享收货地址js函数需要的参数，json格式可以直接做参数使用
*/
public string GetEditAddressParameters()
{
string parameter = "";
try
{
string host = HttpContext.Current.Request.Url.Host;
string path = HttpContext.Current.Request.Path;
string queryString = HttpContext.Current.Request.Url.Query;
//这个地方要注意，参与签名的是网页授权获取用户信息时微信后台回传的完整url
string url = "http://" + host + path + queryString;
//构造需要用SHA1算法加密的数据
WxPayData signData = new WxPayData();
signData.SetValue("appid", jsApiConfig.AppId);
signData.SetValue("url", url);
signData.SetValue("timestamp", WxPayApi.GenerateTimeStamp());
signData.SetValue("noncestr", WxPayApi.GenerateNonceStr());
signData.SetValue("accesstoken", access_token);
string param = signData.ToUrl();
//SHA1加密
string addrSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");
//获取收货地址js函数入口参数
WxPayData afterData = new WxPayData();
afterData.SetValue("appId", jsApiConfig.AppId);
afterData.SetValue("scope", "jsapi_address");
afterData.SetValue("signType", "sha1");
afterData.SetValue("addrSign", addrSign);
afterData.SetValue("timeStamp", signData.GetValue("timestamp"));
afterData.SetValue("nonceStr", signData.GetValue("noncestr"));
//转为json格式
parameter = afterData.ToJson();
}
catch (Exception ex)
{
throw new WxPayException(ex.ToString());
}
return(parameter);
}
/**
* 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(Enroll enroll, Course course)
{
//统一下单
WxPayData data = new WxPayData();
data.SetValue("body", "优杰学车-在线报名");
data.SetValue("detail", $"客户于{enroll.UpdateTime.ToString("yyyy-MM-dd HH:mm:ss")}在线报名{course.Name}{enroll.Amount}元."); //商品详情
data.SetValue("out_trade_no", enroll.OrderNo);
data.SetValue("total_fee", (Math.Round(enroll.Amount * 100, 0)).ToString()); //微信支付提交的金额是不能带小数点的，且是以分为单位，所以我们系统如果是以元为单位要处理下金额，即先乘以100，再去小数点
data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
data.SetValue("trade_type", "JSAPI");
data.SetValue("openid", openid);
WxPayData result = WxPayApi.UnifiedOrder(data);
if (!result.IsSet("appid") || !result.IsSet("prepay_id") || result.GetValue("prepay_id").ToString() == "")
{
throw new WxPayException("UnifiedOrder response error!");
}
unifiedOrderResult = result;
return(result);
}
public static async Task <WxPayData> GetJSSDKConfig()
{
JsApiConfig jsApiConfig = new JsApiConfig();
string appid = jsApiConfig.AppId;
string secret = jsApiConfig.AppSecret;
string timestamp = WxPayApi.GenerateTimeStamp();
string noncestr = WxPayApi.GenerateNonceStr();
string signature = "";
//签名算法 https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141115
//1. 获取AccessToken（有效期7200秒，开发者必须在自己的服务全局缓存access_token）
WxTicketHelper helper = new WxTicketHelper();
WxTicket wxticket = await helper.GetWxTicketAsync(WxTicketType.ACCESS_TOKEN);
string access_token = string.Empty;
if (wxticket == null || wxticket.ExpireTime < ConvertDateTimeInt(DateTime.Now))
{
string url1 = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid + "&secret=" + secret;
string result = HttpService.Get(url1);
JsonData jd = JsonMapper.ToObject(result);
if (!((System.Collections.IDictionary)jd).Contains("access_token"))
{
LogHelper.Error("access_token is null：" + result);
return(null);
}
access_token = (string)jd["access_token"];
await helper.SaveAsync(WxTicketType.ACCESS_TOKEN, new WxTicket
{
Ticket = access_token,
ExpireTime = ConvertDateTimeInt(DateTime.Now) + 7180
});
}
else
{
access_token = wxticket.Ticket;
}
//2. 用第一步拿到的access_token 采用http GET方式请求获得jsapi_ticket（有效期7200秒，开发者必须在自己的服务全局缓存jsapi_ticket）
wxticket = await helper.GetWxTicketAsync(WxTicketType.TICKET);
string ticket = string.Empty;
if (wxticket == null || wxticket.ExpireTime < ConvertDateTimeInt(DateTime.Now))
{
string url2 = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + access_token + "&type=jsapi";
string result2 = HttpService.Get(url2);
JsonData jd2 = JsonMapper.ToObject(result2);
if (!((System.Collections.IDictionary)jd2).Contains("ticket"))
{
return(null);
}
ticket = (string)jd2["ticket"];
await helper.SaveAsync(WxTicketType.TICKET, new WxTicket
{
Ticket = ticket,
ExpireTime = ConvertDateTimeInt(DateTime.Now) + 7180
});
}
else
{
ticket = wxticket.Ticket;
}
//3. 开始签名
Uri uri = HttpContext.Current.Request.Url;
string now_url = (uri.Scheme + "://" + uri.Host + HttpContext.Current.Request.RawUrl).Split('#')[0];
string no_jiami = $"jsapi_ticket={ticket}&noncestr={noncestr}×tamp={timestamp}&url={now_url}";
//SHA1加密
signature = SHA1_Hash(no_jiami);
WxPayData data = new WxPayData();
data.SetValue("appId", appid);
data.SetValue("timestamp", timestamp);
data.SetValue("nonceStr", noncestr);
data.SetValue("signature", signature);
return(data);
}