/// <summary>
/// 获取个人小程序码图片
/// </summary>
/// <param name="path">小程序码跳转的路径</param>
/// <param name="session">用户session</param>
/// <returns></returns>
public string GetUserQRCode(string path, string session)
{
HF.Cloud.BLL.Common.Logger.Error("GetUserQRCode方法,参数path：" + path + "------session:" + session);
string imgPath = "";
//判断数据库中是否有值
SB_UserEL userEL = GetUserELBySession(session);
//如果QRCode有值，则返回数据库中QRCode的值
if (!string.IsNullOrEmpty(userEL.QRCode) && userEL.QRCode != "")
{
//获取图片名称
string qrCodeImageName = userEL.QRCode;
//获取图片路径
string qrCodeImagePath = System.Configuration.ConfigurationManager.AppSettings["QRCodeGet_User"];
imgPath = qrCodeImagePath + qrCodeImageName;
}
//数据库中QRCode没有数据，则需要获取小程序码图片保存图片，并把图片名称保存到数据库中
else
{
//获取token
WX_TokenBLL tokenBLL = new WX_TokenBLL();
string token = tokenBLL.GetToken();
//获取小程序码接口
string url = "https://api.weixin.qq.com/wxa/getwxacode?access_token=" + token;
Dictionary <string, object> dic = new Dictionary <string, object>();
dic.Add("path", path);
JavaScriptSerializer js = new JavaScriptSerializer();
js.MaxJsonLength = int.MaxValue;
string json = js.Serialize(dic);
HF.Cloud.BLL.Common.Logger.Error("GetUserQRCode方法,获取小程序码的json：" + json);
HF.Cloud.BLL.Common.Logger.Error("GetUserQRCode方法,url：" + url + "-----Path:" + path);
//post返回的小程序码流
Stream QRCodeStream = WeChatAppDecrypt.Post(url, json);
//将图片流转换成图片
Bitmap tp = new Bitmap(QRCodeStream);
string QRCodeSave_User = System.Configuration.ConfigurationManager.AppSettings["QRCodeSave_User"];
string image_userName = Guid.NewGuid().ToString();
string qrCodeImageName = image_userName + ".jpg";
HF.Cloud.BLL.Common.Logger.Error("GetUserQRCode方法,保存小程序图片路径名称：" + QRCodeSave_User + qrCodeImageName);
tp.Save(QRCodeSave_User + qrCodeImageName);
//把小程序码图片名称保存到数据库中
userEL.QRCode = qrCodeImageName;
int ra;
long returnValue = userEL.ExecNonQuery(27, out ra);
HF.Cloud.BLL.Common.Logger.Error("GetUserQRCode方法,保存小程序图片名称结果：" + ra);
if (ra > 0)
{
string QRCodeGet_User = System.Configuration.ConfigurationManager.AppSettings["QRCodeGet_User"];
imgPath = QRCodeGet_User + qrCodeImageName;
}
else
{
imgPath = "error";
}
}
HF.Cloud.BLL.Common.Logger.Error("GetUserQRCode方法,返回的结果：" + imgPath);
return(imgPath);
}
/// <summary>
/// 通过code获取session
/// </summary>
/// <param name="code">小程序login获取的Code</param>
/// <returns></returns>
public string GetSessionByCode(string code)
{
string strJson = "";
BLL.Common.Logger.Error("GetSessionByCode方法接受到的参数code：" + code);
JavaScriptSerializer js = new JavaScriptSerializer();
Dictionary <string, object> dic = new Dictionary <string, object>();
string str_OpenidAndSessinKey = "";
if (!string.IsNullOrEmpty(code))
{
//获取openid和Session_Key
WeChatAppDecrypt Wechat = new WeChatAppDecrypt();
str_OpenidAndSessinKey = Wechat.GetOpenIdAndSessionKeyString(code);
BLL.Common.Logger.Error("GetSessionByCode方法获取到openid和Sessionkey：" + str_OpenidAndSessinKey);
var openidAndSessionKey = js.Deserialize <Dictionary <string, object> >(str_OpenidAndSessinKey);
string strOpenID = openidAndSessionKey["openid"].ToString();
string strSession_Key = openidAndSessionKey["session_key"].ToString();
//通过openID获取用户记录
SB_UserEL userEL = new SB_UserEL();
userEL.OpenID = strOpenID;
DataTable dt = userEL.ExecDT(43);
string sessionResult = "";
string isHadRegister = "";
if (dt != null && dt.Rows.Count > 0)
{
sessionResult = dt.Rows[0]["Session_True"].ToString();
isHadRegister = "1";
}
else
{
//生成session
//生成6位随机数
string strRandom = new Random().Next(100000, 1000000).ToString();
//session_Key格式：q/jk63En5ojUGqgi6vLHmA==（24个字符）
//openID格式：oFQX10O9zkRnsNYefrc48KfQWi9o（28个字符）
//strSession_true=strSession_Key+strOpenID+strRandom
//session等于sesion_key去掉后两位的“=”号(22位),加openid(28位)，加六位随机数(6位)
//sessionResult=q/jk63En5ojUGqgi6vLHmAoFQX10O9zkRnsNYefrc48KfQWi9o654321
string strSession_true = strSession_Key.Substring(0, strSession_Key.Length - 2) + strOpenID + strRandom;
sessionResult = strSession_true;
isHadRegister = "0";
}
dic.Add("Session", sessionResult);
dic.Add("IsHadRegister", isHadRegister);
strJson = js.Serialize(dic);
HF.Cloud.BLL.Common.Logger.Error("GetSessionByCode方法返回的数据为：" + strJson);
}
else
{
strJson = "error";
}
return(strJson);
}
/// <summary>
/// 获取小程序的token
/// </summary>
/// <returns></returns>
public string GetToken()
{
string token = string.Empty;
//1,查看数据库中是否有未过期的token，有的话就用此token
WX_TokenEL wx_TokenEL = new WX_TokenEL();
DataTable dt = wx_TokenEL.ExecDT(3);
HF.Cloud.BLL.Common.Logger.Error("GetToken方法查询表结果：" + dt.Rows.Count);
if (dt.Rows.Count > 0)
{
string tokenStr = dt.Rows[0]["Token"].ToString();
HF.Cloud.BLL.Common.Logger.Error("GetToken方法,表中获取的token：" + tokenStr);
Dictionary <string, object> json_Token = new Dictionary <string, object>();
JavaScriptSerializer js_Token = new JavaScriptSerializer();
js_Token.MaxJsonLength = int.MaxValue;
json_Token = js_Token.Deserialize <Dictionary <string, object> >(tokenStr);
if (json_Token.Keys.Contains <string>("access_token"))
{
token = json_Token["access_token"].ToString();
}
}
//2,数据库中没有未过期的token，则从新请求小程序服务器获取最新token
else
{
string appId = System.Configuration.ConfigurationManager.AppSettings["AppId"];
string appSecret = System.Configuration.ConfigurationManager.AppSettings["AppSecret"];
string url_Str = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential" +
"&appid=" + appId +
"&secret=" + appSecret;
WeChatAppDecrypt wcad = new WeChatAppDecrypt();
string tokenStr = wcad.GetResponse(url_Str);
HF.Cloud.BLL.Common.Logger.Error("GetToken方法,接口中获取的token：" + tokenStr);
token = GetValueByKey(tokenStr, "access_token");
//2.1，把当前的token表记录设置为无效
int ra;
long returnValue_Up = wx_TokenEL.ExecNonQuery(2, out ra);
//2.2，把最新的token添加到数据库中
wx_TokenEL.Token = tokenStr;
wx_TokenEL.CreateTime = DateTime.Now.ToString();
wx_TokenEL.Valid = 1;
long returnValue_Add = wx_TokenEL.ExecNonQuery(1, out ra);
}
HF.Cloud.BLL.Common.Logger.Error("GetToken方法获取token值：" + token);
return(token);
}
/// <summary>
/// 获取群组小程序码图片路径
/// </summary>
/// <param name="path">小程序码跳转路径</param>
/// <param name="groupID">群组ID</param>
/// <returns></returns>
public string GetQRCode_Group(string path, string groupID)
{
HF.Cloud.BLL.Common.Logger.Error("GetQRCode_Group方法,获取的参数path：" + path + "------groupID:" + groupID);
string imgPath = "";
//判断数据库中是否有值
GroupEL groupEL = new GroupEL();
groupEL.ID = long.Parse(groupID);
DataTable dt = groupEL.ExecDT(3);
HF.Cloud.BLL.Common.Logger.Error("GetQRCode_Group方法,查找群组记录：" + dt.Rows.Count);
if (dt != null && dt.Rows.Count > 0)
{
//如果数据库中"QRCode"有值，则从数据库中取值
if (!string.IsNullOrEmpty(dt.Rows[0]["QRCode"].ToString()) && dt.Rows[0]["QRCode"].ToString() != "")
{
//获取图片名称
string qrCodeImageName = dt.Rows[0]["QRCode"].ToString();
//获取图片路径
string qrCodeImagePath = System.Configuration.ConfigurationManager.AppSettings["QRCodeGet_Group"];
imgPath = qrCodeImagePath + qrCodeImageName;
}
//如果没有值则请求小程序服务器获取小程序码图片，并把图片名称保存到数据库中
else
{
//获取token
WX_TokenBLL tokenBLL = new WX_TokenBLL();
string token = tokenBLL.GetToken();
//获取小程序码接口
string url = "https://api.weixin.qq.com/wxa/getwxacode?access_token=" + token;
Dictionary <string, object> dic = new Dictionary <string, object>();
dic.Add("path", path);
JavaScriptSerializer js = new JavaScriptSerializer();
js.MaxJsonLength = int.MaxValue;
string json = js.Serialize(dic);
HF.Cloud.BLL.Common.Logger.Error("GetQRCode_Group方法,url：" + url + "-----Path:" + path);
//post返回的小程序码流
Stream QRCodeStream = WeChatAppDecrypt.Post(url, json);
//将图片流转换成图片
Bitmap tp = new Bitmap(QRCodeStream);
string QRCodeSave_Group = System.Configuration.ConfigurationManager.AppSettings["QRCodeSave_Group"];
string image_userName = Guid.NewGuid().ToString();
string qrCodeImageName = image_userName + ".jpg";
tp.Save(QRCodeSave_Group + qrCodeImageName);
//把小程序码图片名称保存到数据库中
groupEL.QRCode = qrCodeImageName;
int ra;
long returnValue = groupEL.ExecNonQuery(21, out ra);
HF.Cloud.BLL.Common.Logger.Error("GetQRCode_Group方法,保存小程序图片名称结果：" + ra);
if (ra > 0)
{
string QRCodeGet_Group = System.Configuration.ConfigurationManager.AppSettings["QRCodeGet_Group"];
imgPath = QRCodeGet_Group + qrCodeImageName;
}
else
{
imgPath = "error";
}
}
}
else
{
imgPath = "error";
}
HF.Cloud.BLL.Common.Logger.Error("GetQRCode_Group方法,小程序码图片路径：" + imgPath);
return(imgPath);
}