public bool GenQRInvite(string openId, string phone, string headerUrl)
{
var qr = _dbContext.DBQRInvite.Where(a => a.UserOpenId == openId &&
a.InviteQRType == InviteQRType.UserInvite).FirstOrDefault();
if (qr != null)
{
throw new EduException("不能重复创建邀请码");
}
string qrDownFilePath = EduEnviroment.GetQRInviteUserFilePath($"OrigUserInvite_{phone}.png");
string qrWithLogoFilePath = EduEnviroment.GetQRInviteUserFilePath($"UserInviteWithLogo_{phone}.png");
string bkFilePath = EduEnviroment.GetQRFilePath("InviteBK.png");
string finalFilePath = EduEnviroment.GetQRInviteUserFilePath($"FinalUserInvite_{phone}.png");
AccessToken accessToken = WXApi.getAccessToken();
WXQRResult result = WXApi.getQR(WxConfig.QR_Invite_User + "_" + openId, accessToken.access_token);
WXApi.DownLoadWXQR(result.ticket, qrDownFilePath);
//添加Logo ,且添加文字
List <string> text = new List <string>();
text.Add("您的朋友邀请您加入云艺书院");
QRHelper.AddLogoForQR(headerUrl, new Bitmap(qrDownFilePath), qrWithLogoFilePath, text);
//添加背景
QRHelper.AddBKForQR(bkFilePath, qrWithLogoFilePath, finalFilePath);
qr = new EQRInvite()
{
OrigFilePath = EduEnviroment.VirPath_QRInviteUser + $"OrigUserInvite_{phone}.png",
FileWithLogoPath = EduEnviroment.VirPath_QRInviteUser + $"UserInviteWithLogo_{phone}.png",
FinalFilePath = EduEnviroment.VirPath_QRInviteUser + $"FinalUserInvite_{phone}.png",
InviteQRType = InviteQRType.UserInvite,
RecordStatus = RecordStatus.Normal,
TargetUrl = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=" + result.ticket + "",
CreateDateTime = DateTime.Now,
UserOpenId = openId
};
_dbContext.DBQRInvite.Add(qr);
_dbContext.SaveChanges();
return(true);
}
/// <summary>
/// 生成微信二维码
/// </summary>
/// <param name="scene_str"></param>
/// <param name="access_token"></param>
/// <param name="scene_id"></param>
/// <param name="isTemp"></param>
/// <returns></returns>
public static WXQRResult getQR(string scene_str, string access_token, string scene_id = "0", bool isTemp = false)
{
WXQRResult resObj = null;
try
{
//获取数据的地址（微信提供）
String url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=" + access_token;
//发送给微信服务器的数据
String jsonStr = "{\"action_name\": \"QR_LIMIT_SCENE\", \"action_info\":{\"scene\": {\"scene_id\":" + scene_id + "}}}";
if (!string.IsNullOrEmpty(scene_str))
{
if (isTemp)
{
jsonStr = "{\"expire_seconds\": \"180\",\"action_name\": \"QR_STR_SCENE\", \"action_info\":{\"scene\": {\"scene_str\":\"" + scene_str + "\"}}}";
}
else
{
jsonStr = "{\"action_name\": \"QR_LIMIT_STR_SCENE\", \"action_info\":{\"scene\": {\"scene_str\":\"" + scene_str + "\"}}}";
}
}
//post请求得到返回数据（这里是封装过的，就是普通的java post请求）
String response = HttpHelper.RequestUrlSendMsg(url, HttpHelper.HttpMethod.Post, jsonStr);
resObj = JsonConvert.DeserializeObject <WXQRResult>(response);
/*
* HTTP GET请求（请使用https协议）https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=TICKET
* 提醒：TICKET记得进行UrlEncode
*/
resObj.ticket = Uri.EscapeDataString(resObj.ticket);
}
catch (Exception ex)
{
NLogHelper.ErrorTxt("[getQR]:" + ex.Message);
}
return(resObj);
}
public void OnPostCreateTecQR()
{
Msg = "创建成功！";
string qrDownFilePath = EduEnviroment.GetQRInviteTecFilePath("WXInvite.png");
string bkFilePath = EduEnviroment.GetQRFilePath("InviteBK.png");
string finalFilePath = EduEnviroment.GetQRInviteTecFilePath("EduTecInvite.png");
try
{
AccessToken accessToken = WXApi.getAccessToken();
WXQRResult result = WXApi.getQR(WxConfig.QR_Invite_TecPre, accessToken.access_token);
WXApi.DownLoadWXQR(result.ticket, qrDownFilePath);
QRHelper.AddBKForQR(bkFilePath, qrDownFilePath, finalFilePath);
}
catch (Exception ex)
{
Msg = ex.Message;
}
}