public static final String wxGetJsapiTicket() {
Cache cache = Cache.getInstance();
long now = new Date().getTime() / 1000;
if (!cache.exist("wxJsapiTicket")
|| now - (long) cache.get("wxJsapiTicketTime") > Constant.W_EXPIRE_IN) {
String accessToken = Constant.wxGetAccessToken();
if (accessToken == null) {
return null;
}
String url = Constant.W_GET_JSAPI_TICKET + "?access_token=" + accessToken + "&type=jsapi";
String ret = Web.sendGet(url);
JSONObject json = JSONObject.fromObject(ret);
if (json.containsKey("errcode") && json.getInt("errcode") != 0) {
return null;
}
cache.set("wxJsapiTicket", json.getString("ticket"));
cache.set("wxJsapiTicketTime", now);
Constant.W_EXPIRE_IN = json.getInt("expires_in") - 200;
}
return (String) cache.get("wxJsapiTicket");
}
// 获取微信accessToken和JsapiTicket缓存
public static final String wxGetAccessToken() {
Cache cache = Cache.getInstance();
long now = new Date().getTime() / 1000;
if (!cache.exist("wxAccessToken")
|| now - (long) cache.get("wxAccessTokenTime") > Constant.W_EXPIRE_IN) {
String url =
Constant.W_GET_ACCESS_TOKEN_URL
+ "?grant_type=client_credential&appid="
+ Constant.W_APP_ID
+ "&secret="
+ Constant.W_APP_SECRET;
String ret = Web.sendGet(url);
JSONObject json = JSONObject.fromObject(ret);
if (json.containsKey("errcode") && json.getInt("errcode") != 0) {
return null;
}
cache.set("wxAccessToken", json.getString("access_token"));
cache.set("wxAccessTokenTime", now);
Constant.W_EXPIRE_IN = json.getInt("expires_in") - 200;
}
return (String) cache.get("wxAccessToken");
}