/*private string ToUnicodeString(this string str)
* {
* StringBuilder strResult = new StringBuilder();
* if (!string.IsNullOrEmpty(str))
* {
* for (int i = 0; i < str.Length; i++)
* {
* strResult.Append("\\u");
* strResult.Append(((int)str[i]).ToString("x"));
* }
* }
* return strResult.ToString();
* }*/
private string SignMD5(string content)
{
StringBuilder enValue = new StringBuilder();
//前后加上secret
enValue.Append(appsecret);
enValue.Append(content);
enValue.Append(appsecret);
//使用MD5加密(32位小写)
return(CommonUtilities.encrypt_MD5(enValue.ToString()).ToLower());
}
public static string createPaySign(List <QueryParameter> parameters)
{
string query = QueryParameter.NormalizeRequestParameters(parameters);
StringBuilder enValue = new StringBuilder();
enValue.Append(query);
enValue.Append("&key=" + WeChatUtilities.getConfigValue(WeChatUtilities.PAYAPI_KEY));
string sign = CommonUtilities.encrypt_MD5(enValue.ToString()).ToUpper();
return(sign);
}
//private static int LineWordCount = 16; //小票每行最多打印汉字数
//private static Dictionary<string, string> parameters = new Dictionary<string, string>();//加密参数列表
/// <summary>
/// 发送打印内容
/// </summary>
/// <param name="Content"></param>
/// <returns></returns>
public static string SendGprsPrintContent(string Content)
{
string partner = "2713"; //用户id
string machine_code = "4004503380"; //终端号
string mkey = "ywqfp4w6bp6t"; //终端密钥
string apikey = "c3219c32691ff4bba24894efe8cc1eca45ae95a4"; //API 密钥
List <QueryParameter> parameters = new List <QueryParameter>();
parameters.Add(new QueryParameter("partner", partner));
parameters.Add(new QueryParameter("machine_code", machine_code));
string timestamp = CommonUtilities.generateTimeStamp().ToString();
parameters.Add(new QueryParameter("time", timestamp));
parameters.Add(new QueryParameter("content", Content));
string source = apikey + "machine_code" + machine_code + "partner" + partner + "time" + timestamp + mkey;
string sign = CommonUtilities.encrypt_MD5(source).ToUpper();
parameters.Add(new QueryParameter("sign", sign));
string post_url = "http://open.10ss.net:8888";
var request = WebRequest.Create(post_url) as HttpWebRequest;
request.Method = "POST";
string postdata = QueryParameter.NormalizeRequestParameters(parameters);
byte[] bytes = Encoding.UTF8.GetBytes(postdata);
Stream sendStream = request.GetRequestStream();
sendStream.Write(bytes, 0, bytes.Length);
sendStream.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
string result = "";
using (var reader = new StreamReader(response.GetResponseStream()))
{
result = reader.ReadToEnd();
}
return(result);
}
