private void Initialize(HttpContext context)
{
//定义统一消息体
Core.Data.Entity.SystemEntity.MessageModel message = new Core.Data.Entity.SystemEntity.MessageModel();
//定义重定向URL
string redirect_url1 = HttpUtility.UrlEncode("https://i.tax360.com.cn/auth.aspx");
var jsCode = Q("code", context);
if (string.IsNullOrEmpty(jsCode))
{
#region 第一步，调起授权
//如果用户同意授权，页面将跳转至 redirect_uri/?code=CODE&state=STATE。
//code作为换取access_token的票据，每次用户授权带上的code将不一样，code只能使用一次，5分钟未被使用自动过期。
string url1 = $"https://open.weixin.qq.com/connect/oauth2/authorize?appid={WechatJSAPIConfig.appid}&redirect_uri={redirect_url1}&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect";
message.msg = "200";
message.data = url1;
context.Response.Write(JsonConvert.SerializeObject(message));
#endregion
}
else
{
message.msg = "0";
message.data = string.Empty;
context.Response.Write(JsonConvert.SerializeObject(message));
}
}
private void GetPaySign(HttpContext context)
{
//定义统一消息体
Core.Data.Entity.SystemEntity.MessageModel message = new Core.Data.Entity.SystemEntity.MessageModel();
//定义请求工具
HttpGetOrPost httpHelper = new HttpGetOrPost();
//定义重定向URL
string redirect_url1 = HttpUtility.UrlEncode("https://www.yuming.com.cn/auth.aspx");
string redirect_url2 = HttpUtility.UrlEncode("https://www.yuming.com.cn/success.html");
var jsCode = Q("code", context);
if (string.IsNullOrEmpty(jsCode))
{
message.msg = "0";
message.data = "";
context.Response.Write(JsonConvert.SerializeObject(message));
return;
}
#region 第二步，获取openid
string url2 = $"https://api.weixin.qq.com/sns/oauth2/access_token?appid={WechatJSAPIConfig.appid}&secret={WechatJSAPIConfig.appSecret}&code={jsCode}&grant_type=authorization_code";
/* 正确的json
* {
* "access_token":"ACCESS_TOKEN",
* "expires_in":7200,
* "refresh_token":"REFRESH_TOKEN",
* "openid":"OPENID",
* "scope":"SCOPE"
* }
*/
string response2 = httpHelper.HttpGet(url2);
WechatOAuthResponse oauth = JsonConvert.DeserializeObject <WechatOAuthResponse>(response2);
if (oauth == null || !string.IsNullOrEmpty(oauth.errcode))
{
message.msg = "0";
message.data = "";
context.Response.Write(JsonConvert.SerializeObject(message));
}
//拿到OPENID
var openid = oauth.openid;
context.Session["openid"] = oauth.openid;
#endregion
#region 第三步获取access_token
//注意该access_token与授权access_token不一样
string url3 = $"https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={WechatJSAPIConfig.appid}&secret={WechatJSAPIConfig.appSecret}";
string response3 = httpHelper.HttpGet(url3);
WechatAccessResponse access = JsonConvert.DeserializeObject <WechatAccessResponse>(response3);
if (access == null || access.errcode != 0)
{
message.msg = "0";
message.data = "";
context.Response.Write(JsonConvert.SerializeObject(message));
}
//拿到OPENID
string access_token = access.access_token;
#endregion
#region 第四步，获取jsapi_ticket
string url4 = $"https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={access_token}&type=jsapi";
/* 正确的json
* {
* "errcode":0,
* "errmsg":"ok",
* "ticket":"bxLdikRXVbTPdHSM05e5u5sUoXNKd8-41ZO3MhKoyN5OfkWITDGgnr2fwJ0m9E8NYzWKVZvdVtaUgWvsdshFKA",
* "expires_in":7200
* }*/
string response4 = httpHelper.HttpGet(url4);
WechatTicketResponse ticket = JsonConvert.DeserializeObject <WechatTicketResponse>(response4);
if (ticket == null || ticket.errcode != 0)
{
message.msg = "0";
message.data = "";
context.Response.Write(JsonConvert.SerializeObject(message));
}
//记录ticket
string jsapi_ticket = ticket.ticket;
#endregion
string timestamp = WxPayApi.GenerateTimeStamp();
string nonceStr = WxPayApi.GenerateNonceStr();
context.Session["timestamp"] = timestamp;
context.Session["nonceStr"] = nonceStr;
WxPayData configData = new WxPayData();
configData.SetValue("jsapi_ticket", jsapi_ticket);
configData.SetValue("noncestr", nonceStr);
configData.SetValue("timestamp", timestamp);
configData.SetValue("url", $"https://www.yuming.com.cn/auth.aspx?code={jsCode}&state=STATE");
string sha1sign = configData.SHA1Sign();
var jsBridge = new
{
msg = "200",
appId = WechatJSAPIConfig.appid,
timeStamp = timestamp,
nonceStr = nonceStr,
sha1sign = sha1sign
};
string jsApiData = JsonConvert.SerializeObject(jsBridge);
context.Response.Write(jsApiData);
}
/// <summary>
/// 第一步：用户同意授权，获取code
/// 第二步：通过code换取网页授权access_token
/// 第三步：刷新access_token（如果需要）
/// 第四步：拉取用户信息(需scope为 snsapi_userinfo)
/// 第五步：获取openid
/// 第六步：调用微信统一下单
/// 第七步：拿到prepay_id
/// 第八步：构造请求URL
/// 第九步：唤起微信支付
/// 第十步：支付成功跳转
/// </summary>
/// <param name="context"></param>
private void UnifiedOrder(HttpContext context)
{
//定义统一消息体
Core.Data.Entity.SystemEntity.MessageModel message = new Core.Data.Entity.SystemEntity.MessageModel();
//定义请求工具
HttpGetOrPost httpHelper = new HttpGetOrPost();
//定义重定向URL
string redirect_url1 = HttpUtility.UrlEncode("https://www.yuming.com.cn/auth.aspx");
string redirect_url2 = HttpUtility.UrlEncode("https://www.yuming.com.cn/success.html");
string ip = context.Request.ServerVariables.Get("Remote_Addr").ToString();
var jsCode = Q("code", context);
var mobile = Q("mobile", context);
if (string.IsNullOrEmpty(jsCode) || string.IsNullOrEmpty(mobile))
{
message.msg = "0";
message.data = "";
context.Response.Write(JsonConvert.SerializeObject(message));
return;
}
try
{
BillRepository service = new BillRepository();
var bill = service.CreateBill("id", mobile);
if (!string.IsNullOrEmpty(bill))
{
//logger.Error("创建订单结果：");
//logger.Error(bill);
BillAddResponse billData = JsonConvert.DeserializeObject <BillAddResponse>(bill);
if (billData != null)
{
#region 第二步，发起预支付统一下单
string timestamp = context.Session["timestamp"].ToString();
string nonceStr = context.Session["nonceStr"].ToString();
string openid = context.Session["openid"].ToString();
//logger.Error("支付步骤timestamp：" + timestamp);
//logger.Error("支付步骤nonceStr：" + nonceStr);
//logger.Error("支付步骤openid：" + openid);
WxPayData data = new WxPayData();
data.SetValue("body", billData.ProductName); //商品描述
data.SetValue("out_trade_no", billData.BillNumber); //订单号
data.SetValue("total_fee", (int)(billData.BillAmount * 100)); //总金额,微信是以分为单位
data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss")); //交易起始时间
data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss")); //交易结束时间
data.SetValue("goods_tag", ""); //商品标记
data.SetValue("trade_type", "JSAPI"); //交易类型
data.SetValue("openid", openid); //用户OPENID
data.SetValue("product_id", billData.ProductID); //商品ID
data.SetValue("spbill_create_ip", ip); //中端IP
data.SetValue("sign_type", "MD5"); //中端IP
data.SetValue("notify_url", WechatJSAPIConfig.notify_url);
data.SetValue("nonce_str", nonceStr);
WxPayData result = WxPayApi.UnifiedOrder(data);//调用统一下单接口
if (result == null)
{
message.msg = "0";
message.data = "";
context.Response.Write(JsonConvert.SerializeObject(message));
}
string prepay_id = result.GetValue("prepay_id").ToString();//获得统一下单接口返回的二维码链接
#endregion
//logger.Error("支付步骤订单结构：" + result.ToXml());
#region 第三步，生成支付签名
WxPayData payData = new WxPayData();
payData.SetValue("appId", WechatJSAPIConfig.appid);
payData.SetValue("timeStamp", timestamp);
payData.SetValue("nonceStr", nonceStr);
payData.SetValue("package", $"prepay_id={prepay_id}");
payData.SetValue("signType", "MD5");
string md5sign = payData.MakeSign();
//logger.Error("支付步骤签名：" + md5sign);
var jsBridge = new
{
msg = "200",
appId = WechatJSAPIConfig.appid,
timeStamp = timestamp,
nonceStr = nonceStr,
mypackage = $"prepay_id={prepay_id}",
md5sign = md5sign
};
string jsApiData = JsonConvert.SerializeObject(jsBridge);
//logger.Error("支付步骤json：" + jsApiData);
context.Response.Write(jsApiData);
#endregion
}
else
{
message.msg = "0";
message.data = "";
context.Response.Write(JsonConvert.SerializeObject(message));
}
}
}
catch (Exception ex)
{
message.msg = "0";
message.data = "";
context.Response.Write(JsonConvert.SerializeObject(message));
}
}