类-post方法
public static string Post_biaotou_1(string xml, string url, bool isUseCert, int timeout, Dictionary<string, string> dic = null)
{
System.GC.Collect();
byte[] imageBuffer = null;
HttpWebRequest request = null;
HttpWebResponse response = null;
Stream reqStream = null;
string fileName = Guid.NewGuid() + ".jpg";
try
{
ServicePointManager.DefaultConnectionLimit = 200;
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.ServerCertificateValidationCallback =
new RemoteCertificateValidationCallback(CheckValidationResult);
}
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.Timeout = timeout * 1000;
request.ContentType = "application/json";
if (dic != null && dic.Count != 0)
{
foreach (var item in dic)
{
request.Headers.Add(item.Key, item.Value);
}
}
byte[] data = System.Text.Encoding.UTF8.GetBytes(xml);
request.ContentLength = data.Length;
if (isUseCert)
{
X509Certificate2 cer = new X509Certificate2(WxPayConfig.SSLCERT_PATH,
WxPayConfig.SSLCERT_PASSWORD,
X509KeyStorageFlags.MachineKeySet |
X509KeyStorageFlags.PersistKeySet |
X509KeyStorageFlags.Exportable);
request.ClientCertificates.Add(cer);
}
reqStream = request.GetRequestStream();
reqStream.Write(data, 0, data.Length);
reqStream.Close();
response = (HttpWebResponse)request.GetResponse();
using (MemoryStream ms = new MemoryStream())
{
response.GetResponseStream().CopyTo(ms);
imageBuffer = ms.ToArray();
}
// 新增：保存图片到update文件夹
if (imageBuffer != null && imageBuffer.Length > 0)
{
string saveDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Upload");
// Log.Info("HttpService", "saveDir: " + saveDir);
if (!Directory.Exists(saveDir))
{
Directory.CreateDirectory(saveDir);
}
string filePath = Path.Combine(saveDir, fileName);
File.WriteAllBytes(filePath, imageBuffer);
return fileName;
}
}
catch (System.Threading.ThreadAbortException e)
{
Log.Error("HttpService", "Thread - caught ThreadAbortException - resetting.");
Log.Error("Exception message: {0}", e.Message);
System.Threading.Thread.ResetAbort();
throw;
}
catch (WebException e)
{
Log.Error("HttpService", e.ToString());
if (e.Status == WebExceptionStatus.ProtocolError)
{
Log.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
Log.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
}
throw new WxPayException(e.ToString());
}
catch (Exception e)
{
Log.Error("HttpService", e.ToString());
throw new WxPayException(e.ToString());
}
finally
{
if (response != null) response.Close();
if (request != null) request.Abort();
}
return fileName;
}
ashx调用
private void panduan(HttpContext context)
{
try
{
string openId = SqlZhuRu.InputTextSql(context.Request.Form["openid"]);
// 方法1：正则表达式去除非字母数字字符
string cleaned = Regex.Replace(openId, @"[^\w-]", "");
// 方法2：验证长度（可选）
if (cleaned.Length != 28)
{
SendResponse(context, new { code = 400, message = "处理后的openid长度异常，请检查原始数据" });
return;
}
string fanhui = "";
try
{
BLL.UserManager User_bll = new BLL.UserManager();
Model.User Users = new Model.User();
Users = User_bll.Query_User(" and username='" + openId + "'", "");
WebClient client = new WebClient();
string pd = (string)HttpRuntime.Cache["access_token"];
if (pd == null)
{
string AccessTokenURL = string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", WxPayConfig.APPID, WxPayConfig.APPSECRET);
client.Encoding = System.Text.Encoding.UTF8;
var result2 = client.DownloadString(AccessTokenURL);
JsonData jd2 = JsonMapper.ToObject(result2);
Log.Info("生成小程序码access_token1", jd2.ToJson());
string access_token = (string)jd2["access_token"];
HttpRuntime.Cache.Insert("access_token", access_token, null, DateTime.Now.AddHours(2), System.Web.Caching.Cache.NoSlidingExpiration);
pd = (string)HttpRuntime.Cache["access_token"];
}
string json = "{\"page\":\"pages/Identity/Identity\",\"scene\": \"yqm=" + Users.remark + "\",\"check_path\": false,\"env_version\": \"develop\"}";
//env_version正式版为 "release"，体验版为 "trial"，开发版为 "develop"。默认是正式版。
string erweima_fanhui = HttpService.Post_biaotou_1(json, "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + pd, false, 10);
Log.Info("生成小程序码", erweima_fanhui);
BLL.LinkManager bll_Link = new BLL.LinkManager();
int jishu = bll_Link.Query_Link(" and content='签到' and title='" + openId + "' and link='" + DateTime.Now.ToString("yyyy-MM-dd") + "'");
fanhui = JsonConvert.SerializeObject(new { code = 0, photo = Users.photo, erweima ="https://************/Upload/"+erweima_fanhui, truename = Users.truename, recommend = Users.recommend, remark = Users.remark, qiandao = jishu > 0 ? true : false });
}
catch (Exception ex)
{
fanhui = JsonConvert.SerializeObject(new { code = 0, message = ex.Message });
}
context.Response.ContentType = "application/x-www-form-urlencoded";
context.Response.Write(fanhui);
}
catch (Exception ex)
{
SendResponse(context, new { code = 500, message = ex.Message });
}
}