WxPayHelper类库下的Utils类:
namespace WxPayHelper
{
public class Utils
{
public static string GetUnifyUrlXml<T>(T t,string key,out string url,out string _sign)
{
Type type = typeof (T);
Dictionary<string,string> dic = new Dictionary<string, string>();
PropertyInfo[] pis = type.GetProperties();
#region 组合url参数到字典里
foreach (PropertyInfo pi in pis)
{
object val = pi.GetValue(t, null);
if (val != null)
{
dic.Add(pi.Name, val.ToString());
}
}
#endregion
//字典排序
var dictemp = dic.OrderBy(d => d.Key);
#region 生成url字符串
StringBuilder str = new StringBuilder();
foreach (var item in dictemp)
{
str.AppendFormat("{0}={1}&", item.Key, item.Value);
}
#endregion
var ourl= str.ToString().Trim('&');
//加上key
string tempsign = ourl + "&key="+key;
//md5加密后，转换成大写
string sign = MD5(tempsign).ToUpper();
//将签名添加到字典中
dic.Add("sign", sign);
_sign = sign;
url = str.AppendFormat("sign={0}",sign).ToString();
LogHelper.WriteFile(url);
//生成请求的内容，并返回
return parseRequestXML(dic);
}
public static string GetUnifyRequestXml<T>(T t, string key, out string url, out string _sign)
{
Type type = typeof(T);
Dictionary<string, string> dic = new Dictionary<string, string>();
PropertyInfo[] pis = type.GetProperties();
#region 组合url参数到字典里
foreach (PropertyInfo pi in pis)
{
object val = pi.GetValue(t, null);
if (val != null)
{
dic.Add(pi.Name, val.ToString());
}
}
#endregion
//字典排序
var dictemp = dic.OrderBy(d => d.Key);
#region 生成url字符串
StringBuilder str = new StringBuilder();
foreach (var item in dictemp)
{
str.AppendFormat("{0}={1}&", item.Key, item.Value);
}
#endregion
var ourl = str.ToString().Trim('&');
//加上key
string tempsign = ourl + "&key=" + key;
//md5加密后，转换成大写
string sign = MD5(tempsign).ToUpper();
//将签名添加到字典中
dic.Add("sign", sign);
_sign = sign;
url = str.AppendFormat("sign={0}", sign).ToString();
LogHelper.WriteFile(url);
//生成请求的内容，并返回
return parseRequestXML(dic);
}
public static string parseRequestXML(Dictionary<string, string> parameters)
{
StringBuilder sb = new StringBuilder();
sb.Append("<xml>");
foreach (KeyValuePair<string, string> k in parameters)
{
if (k.Key == "detail")
{
sb.Append("<" + k.Key + "><![CDATA[" + k.Value + "]]></" + k.Key + ">");
}
else
{
sb.Append("<" + k.Key + ">" + k.Value + "</" + k.Key + ">");
}
}
sb.Append("</xml>");
LogHelper.WriteFile(sb.ToString());
return sb.ToString();
}
public static string parseXML(Dictionary<string, string> parameters)
{
StringBuilder sb = new StringBuilder();
sb.Append("<xml>");
foreach (string k in parameters.Keys)
{
string v = (string)parameters[k];
if (Regex.IsMatch(v, @"^[0-9.]$"))
{
sb.Append("<" + k + ">" + v + "</" + k + ">");
}
else
{
sb.Append("<" + k + "><![CDATA[" + v + "]]></" + k + ">");
}
}
//foreach (KeyValuePair<string, string> k in parameters)
//{
// if (k.Key == "detail")
// {
// sb.Append("<" + k.Key + "><![CDATA[" + k.Value + "]]></" + k.Key + ">");
// }
// else
// {
// sb.Append("<" + k.Key + ">" + k.Value + "</" + k.Key + ">");
// }
//}
sb.Append("</xml>");
LogHelper.WriteFile(sb.ToString());
return sb.ToString();
}
/// <summary>
/// 获取32位随机数（GUID）
/// </summary>
/// <returns></returns>
public static string GetRandom()
{
return Guid.NewGuid().ToString("N");
}
/// <summary>
/// 获取微信版本
/// </summary>
/// <param name="ua"></param>
/// <returns></returns>
public static string GetWeiXinVersion(string ua)
{
int Last = ua.LastIndexOf("MicroMessenger");
string[] wxversion = ua.Remove(0, Last).Split(' ');
return wxversion[0].Split('/')[1].Substring(0, 3);
}
#region MD5加密
public static string MD5(string pwd)
{
MD5 md5 = new MD5CryptoServiceProvider();
byte[] data = System.Text.Encoding.UTF8.GetBytes(pwd);
byte[] md5data = md5.ComputeHash(data);
md5.Clear();
string str = "";
for (int i = 0; i < md5data.Length; i++)
{
str += md5data[i].ToString("x").PadLeft(2, '0');
}
return str;
}
#endregion
public static string HttpPost(string url, string param)
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.Accept = "*/*";
request.Timeout = 15000;
request.AllowAutoRedirect = false;
StreamWriter requestStream = null;
WebResponse response = null;
string responseStr = null;
try
{
requestStream = new StreamWriter(request.GetRequestStream());
requestStream.Write(param);
requestStream.Close();
response = request.GetResponse();
if (response != null)
{
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
responseStr = reader.ReadToEnd();
reader.Close();
}
}
catch (Exception)
{
throw;
}
finally
{
request = null;
requestStream = null;
response = null;
}
return responseStr;
}
/// <summary>
/// datetime转换为unixtime
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
public static int ConvertDateTimeInt(System.DateTime time)
{
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
return (int)(time - startTime).TotalSeconds;
}
public static bool WriteTxt(string str)
{
try
{
FileStream fs = new FileStream(HttpContext.Current.Request.MapPath("/bugLog.txt"), FileMode.Append);
StreamWriter sw = new StreamWriter(fs);
//开始写入
sw.WriteLine(str);
//清空缓冲区
sw.Flush();
//关闭流
sw.Close();
fs.Close();
}
catch (Exception)
{
return false;
}
return true;
}
/// <summary>
/// 生成二维码流
/// </summary>
/// <param name="qrcontent"></param>
/// <returns></returns>
public static MemoryStream GetQrCodeStream(string qrcontent)
{
//误差校正水平
ErrorCorrectionLevel ecLevel = ErrorCorrectionLevel.M;
//空白区域
QuietZoneModules quietZone = QuietZoneModules.Zero;
int ModuleSize = 120;//大小
QrCode qrCode;
var encoder = new QrEncoder(ecLevel);
//对内容进行编码，并保存生成的矩阵
if (encoder.TryEncode(qrcontent,out qrCode))
{
var render = new GraphicsRenderer(new FixedCodeSize(ModuleSize, quietZone));
MemoryStream stream = new MemoryStream();
render.WriteToStream(qrCode.Matrix, ImageFormat.Jpeg,stream);
return stream;
}
return null;
}
public static void GetQrCode(string qrcontent)
{
MemoryStream ms = GetQrCodeStream(qrcontent);
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.ContentType = "image/Png";
HttpContext.Current.Response.BinaryWrite(ms.ToArray());
}
}
}
