/// <summary>
/// 获取签名包
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static SignPackage FetchSignPackage(String url)
{
JSTicket jsticket = FetchJSTicket();
SignPackage signPackage = FetchSignPackage(url, jsticket);
return(signPackage);
}
/// <summary>
/// 获取签名包
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static SignPackage FetchSignPackage(String url, JSTicket jsticket)
{
string timestamp = SignPackageHelper.ConvertToUnixTimeStamp(DateTime.Now);
string nonceStr = SignPackageHelper.CreateNonceStr();
if (jsticket == null)
{
return(null);
}
// 这里参数的顺序要按照 key 值 ASCII 码升序排序
string rawstring = Keys.jsapi_ticket + "=" + jsticket.ticket;
rawstring += "&" + Keys.noncestr + "=" + nonceStr;
rawstring += "&" + Keys.timestamp + "=" + timestamp;
rawstring += "&" + Keys.url + "=" + url;
string signature = SignPackageHelper.Sha1Hex(rawstring).ToLower();
var signPackage = new SignPackage()
{
agentId = BP.Sys.SystemConfig.Ding_AgentID,
corpId = BP.Sys.SystemConfig.Ding_CorpID,
timeStamp = timestamp,
nonceStr = nonceStr,
signature = signature,
url = url,
rawstring = rawstring,
jsticket = jsticket.ticket
};
return(signPackage);
}
/// <summary>
/// 获取JS票据
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static JSTicket FetchJSTicket()
{
SimpleCacheProvider cache = SimpleCacheProvider.GetInstance();
JSTicket jsTicket = cache.GetCache <JSTicket>(ConstVars.CACHE_JS_TICKET_KEY);
if (jsTicket == null || DataType.IsNullOrEmpty(jsTicket.ticket))
{
String apiurl = FormatApiUrlWithToken(Urls.get_jsapi_ticket);
jsTicket = Analyze.Get <JSTicket>(apiurl);
cache.SetCache(ConstVars.CACHE_JS_TICKET_KEY, jsTicket, ConstVars.CACHE_TIME);
}
return(jsTicket);
}
//得到ticket 如果文件里时间 超时则重新获取
private string getJsApiTicket()
{
// jsapi_ticket 应该全局存储与更新，以下代码以写入到文件中做示例
string path = HttpContext.Current.Server.MapPath(@"/jssdk/jsapi_ticket.json");
//读取文件
FileStream file = new FileStream(path, FileMode.Open);
var serializer = new DataContractJsonSerializer(typeof(JSTicket));
JSTicket readJSTicket = (JSTicket)serializer.ReadObject(file);
file.Close();
string ticket = "";
if (readJSTicket.expire_time < ConvertDateTimeInt(DateTime.Now))
{
string accessToken = getAccessToken();
string url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=" + accessToken + "";
Jsapi api = Desrialize <Jsapi>(new Jsapi(), httpGet(url));
ticket = api.ticket;
if (ticket != "")
{
readJSTicket.expire_time = ConvertDateTimeInt(DateTime.Now) + 7000;
readJSTicket.jsapi_ticket = ticket;
string json = Serialize <JSTicket>(readJSTicket);
StreamWriterMetod(json, path);
}
}
else
{
ticket = readJSTicket.jsapi_ticket;
}
return(ticket);
}
