/// <summary>
/// 微信认证
/// https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx24e47efa56c2e554&redirect_uri=http%3a%2f%2fmap.lywenkai.cn%2fWeChatManage%2fWeiXinHome%2fRedirect&response_type=code&scope=snsapi_userinfo&state=http%3a%2f%2fmap.lywenkai.cn%2fWeChatManage%2fLogin%2fIndex#wechat_redirect
/// </summary>
/// <param name="code">snsapi_userinfo</param>
/// <param name="state">回调url</param>
/// <returns></returns>
public ActionResult Redirect(string code, string state)
{
//若用户禁止授权，则重定向后不会带上code参数
if (string.IsNullOrEmpty(code))
{
return(Redirect(state));
}
else
{
WeixinToken token = new WeixinToken();
WeixinTokenBase tokenBase = new WeixinTokenBase();
//判断是否保存微信token
if (Session[WebSiteConfig.WXTOKEN_SESSION_NAME] != null)
{
token = Session[WebSiteConfig.WXTOKEN_SESSION_NAME] as WeixinToken;
}
else
{
string tokenUrl = string.Format(WeixinConfig.GetTokenUrl, code);
token = AnalyzeHelper.Get <WeixinToken>(tokenUrl);
if (token.errcode != null)
{
return(Content(token.errcode + ":" + token.errmsg));
}
Session[WebSiteConfig.WXTOKEN_SESSION_NAME] = token;
}
//判断是否保存微信token基础
if (Session[WebSiteConfig.WXTOKEN_SESSION_NAME_BASE] != null)
{
tokenBase = Session[WebSiteConfig.WXTOKEN_SESSION_NAME_BASE] as WeixinTokenBase;
}
else
{
string tokenBaseUrl = string.Format(WeixinConfig.GetTokenBaseUrl, code);
tokenBase = AnalyzeHelper.Get <WeixinTokenBase>(tokenBaseUrl);
if (tokenBase.errcode != null)
{
return(Content(tokenBase.errcode + ":" + tokenBase.errmsg));
}
Session[WebSiteConfig.WXTOKEN_SESSION_NAME_BASE] = tokenBase;
}
//查询用户是否存在
var userEntity = wechatUserBll.GetEntity(token.openid);
if (userEntity == null)
{
string userInfoUrl = string.Format(WeixinConfig.GetUserInfoUrl, token.access_token, token.openid);
var userInfo = AnalyzeHelper.Get <WeixinUserInfo>(userInfoUrl);
if (userInfo.errcode != null)
{
Response.Write(userInfo.errcode + ":" + userInfo.errmsg);
Response.End();
}
else
{
userEntity = new WeChat_UsersEntity()
{
City = userInfo.city,
Country = userInfo.country,
HeadimgUrl = userInfo.headimgurl,
NickName = userInfo.nickname,
OpenId = userInfo.openid,
Province = userInfo.province,
Sex = userInfo.sex
};
wechatUserBll.SaveForm("", userEntity);
}
}
Session[WebSiteConfig.WXUSER_SESSION_NAME] = userEntity;
return(Redirect(state));
}
}
public ActionResult GetWxPic(string media_id, string callback, string folder)
{
WeixinTokenBase tokenBase = new WeixinTokenBase();
//判断是否保存微信token
if (Session[WebSiteConfig.WXTOKEN_SESSION_NAME_BASE] != null)
{
tokenBase = Session[WebSiteConfig.WXTOKEN_SESSION_NAME_BASE] as WeixinTokenBase;
}
else
{
string returnUrl = Url.Action(callback);
return(RedirectToAction("Index", "WeiXinHome", new { urlstr = returnUrl }));
}
string fileGuid = Guid.NewGuid().ToString();
string uploadDate = DateTime.Now.ToString("yyyyMMdd");
string dir = String.Format("/Resource/Pet/{0}/{1}/", folder, uploadDate);
if (Directory.Exists(Server.MapPath(dir)) == false)//如果不存在就创建file文件夹
{
Directory.CreateDirectory(Server.MapPath(dir));
}
string newfileName = Guid.NewGuid().ToString();
//原图
string fullDir1 = dir + newfileName + ".jpg";
string imgFilePath = Request.MapPath(fullDir1);
HttpWebResponse myResponse = null;
try
{
//token.access_token = "5_MZsxQs1ztodyRCDw0wvDQddW9OpzYxLZyNpzloD-jsUFRN3MDhXWzcOEjdq5jk1L5_z1IoCKbti_j5AMuNtRo78eML4l3CKJS7JyC0A5BXJ5a9qEZr7Rt1xxhFkdGGbEXiCTDMv-J2jfSTgIYZZcAEAPQQ";
var url = string.Format("https://api.weixin.qq.com/cgi-bin/media/get?access_token={0}&media_id={1}", tokenBase.access_token, media_id);
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "GET";
myResponse = (HttpWebResponse)req.GetResponse();
StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
Stream stream = myResponse.GetResponseStream();
#region 保存下载图片
FileStream fileStream = new FileStream(imgFilePath, FileMode.Create, FileAccess.Write);
byte[] bytes = new byte[4096];
int readSize = 0;
while ((readSize = stream.Read(bytes, 0, 4096)) > 0)
{
fileStream.Write(bytes, 0, readSize);
fileStream.Flush();
}
#endregion
myResponse.Close();
stream.Close();
fileStream.Close();
}
//异常请求
catch (WebException ex)
{
fullDir1 = "";
}
finally
{
}
return(Content(fullDir1));
}
public ActionResult GetWxPic(string media_id, string callback, string folder)
{
WeixinTokenBase tokenBase = new WeixinTokenBase();
//判断是否保存微信token
if (Session[WebSiteConfig.WXTOKEN_SESSION_NAME_BASE] != null)
{
tokenBase = Session[WebSiteConfig.WXTOKEN_SESSION_NAME_BASE] as WeixinTokenBase;
}
else
{
string returnUrl = Url.Action(callback);
return(RedirectToAction("Index", "Agent", new { urlstr = returnUrl }));
}
string dir = "/Resource/DocumentFile/Agent/";
if (Directory.Exists(Server.MapPath(dir)) == false)//如果不存在就创建file文件夹
{
Directory.CreateDirectory(Server.MapPath(dir));
}
string newfileName = Guid.NewGuid().ToString();
//原图
string fullDir1 = dir + newfileName + ".jpg";
string imgFilePath = Request.MapPath(fullDir1);
HttpWebResponse myResponse = null;
try
{
var url = string.Format("https://api.weixin.qq.com/cgi-bin/media/get?access_token={0}&media_id={1}", tokenBase.access_token, media_id);
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "GET";
myResponse = (HttpWebResponse)req.GetResponse();
StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
Stream stream = myResponse.GetResponseStream();
#region 保存下载图片
FileStream fileStream = new FileStream(imgFilePath, FileMode.Create, FileAccess.Write);
byte[] bytes = new byte[4096];
int readSize = 0;
while ((readSize = stream.Read(bytes, 0, 4096)) > 0)
{
fileStream.Write(bytes, 0, readSize);
fileStream.Flush();
}
#endregion
myResponse.Close();
stream.Close();
fileStream.Close();
}
//异常请求
catch (WebException ex)
{
fullDir1 = "";
}
finally
{
}
return(Content(fullDir1));
}
