static public string MakeQueryString(Dictionary <string, string> param)
{
if (param.Count == 0)
{
return("");
}
string query_string = "";
foreach (string key in param.Keys)
{
query_string = query_string + SnsSigCheck.UrlEncode(key, Encoding.UTF8) + "=" + SnsSigCheck.UrlEncode(param[key], Encoding.UTF8) + "&";
}
query_string = query_string.Substring(0, query_string.Length - 1);
return(query_string);
}
/// <summary>
/// 执行API调用，返回结果数组
/// </summary>
/// <param name="script_name">调用的API方法，比如/v3/user/get_info， 参考 http://wiki.open.qq.com/wiki/API_V3.0%E6%96%87%E6%A1%A3 </param>
/// <param name="param">调用API时带的参数</param>
/// <param name="method">请求方法 post / get</param>
/// <param name="protocol">协议类型 http / https </param>
/// <returns>返回结果数组</returns>
public RstArray Api(string script_name, Dictionary <string, string> param, string method, string protocol)
{
RstArray result_array = new RstArray();
// 检查 openid 是否为空
if (string.IsNullOrEmpty(param["openid"]))
{
result_array.Msg = "openid is empty";
result_array.Ret = OPENAPI_ERROR_REQUIRED_PARAMETER_EMPTY;
return(result_array);
}
// 检查 openid 是否合法
if (!IsOpenId(param["openid"]))
{
result_array.Msg = "openid is invalid";
result_array.Ret = OPENAPI_ERROR_REQUIRED_PARAMETER_INVALID;
return(result_array);
}
// 无需传sig, 会自动生成
if (param.ContainsKey("sig"))
{
param.Remove("sig");
}
// 添加一些参数
param["appid"] = appid.ToString();
param["format"] = format;
// 生成签名
string secret = appkey + "&";
string sig = SnsSigCheck.MakeSig(method, script_name, param, secret);
param.Add("sig", sig);
string url = protocol + "://" + server_name + script_name;
// 增加cookie
Dictionary <string, string> cookie = new Dictionary <string, string>();
//记录接口调用开始时间
long start_time = SnsStat.GetTime();
//通过调用以下方法，可以打印出最终发送到openapi服务器的请求参数以及url，不打印可以注释
PrintRequest(url, param, method);
// 发起请求
result_array = SnsNetWork.MakeRequest(url, param, cookie, method, protocol);
if (result_array.Ret != 0)
{
result_array.Ret += OPENAPI_ERROR_HTPP;
return(result_array);
}
//解析返回结果的返回码
string stat_ret = "";
try
{
if (this.format == "xml")
{
XmlDocument xml = new XmlDocument();
xml.LoadXml(result_array.Msg);
stat_ret = xml.LastChild["ret"].InnerText.ToString();
}
else
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
RstArray json_obj = new RstArray();
json_obj = serializer.Deserialize <RstArray>(result_array.Msg);
stat_ret = json_obj.Ret.ToString();
}
}
catch (Exception e)
{
result_array.Msg = e.Message;
// 远程返回的不是 json或者xml 格式, 说明返回包有问题
result_array.Ret += OPENAPI_ERROR_RESPONSE_DATA_INVALID;
return(result_array);
}
// 统计上报
if (is_stat)
{
Dictionary <string, string> stat_params = new Dictionary <string, string>();
stat_params["appid"] = appid.ToString();
stat_params["pf"] = param["pf"];
stat_params["rc"] = stat_ret;
stat_params["svr_name"] = server_name;
stat_params["interface"] = script_name;
stat_params["protocol"] = protocol;
stat_params["method"] = method;
SnsStat.StatReport(stat_url, start_time, stat_params);
}
//通过调用以下方法，可以打印出调用openapi请求的返回码以及错误信息,不打印可以注释
///PrintRespond(result_array);
return(result_array);
}