微信公衆號開發（3）相關微信tickets補充

@Component("weiXinService")
@Transactional(value = "transactionManager")
public class WeiXinServiceImpl implements WeiXinService {
 public static final Logger log = Logger.getLogger(WeiXinServiceImpl.class);
 private static final String ACCESS_TOKEN="ACCESS_TOKEN";
 
 @Override
 public AccessToken getAccessToken() throws Exception {
  Map<String, AccessToken> weixinTokenMap = AccessToken.getWeixinTokenMap();
  AccessToken weixinTokenVo = null;
  if(null!=weixinTokenMap){
   weixinTokenVo = weixinTokenMap.get(ACCESS_TOKEN);
  }else{
   weixinTokenMap=new HashMap<String, AccessToken>();
  }
  String accessToken="";
  //判斷是否在有效期內
  if(null!=weixinTokenVo&&(System.currentTimeMillis()-weixinTokenVo.getTokenTime())<weixinTokenVo.getTokenExpires()*1000){
   accessToken=weixinTokenVo.getAccessToken();
  }
  //判斷accessToken爲空 從新獲取
  if(!StringUtils.checkStr(accessToken)){
   if(null==weixinTokenVo){
    weixinTokenVo=new AccessToken();
   }
   AccessToken at = CommonUtil.getAccessToken();
   accessToken = at.getAccessToken();
   weixinTokenVo.setAccessToken(accessToken);
   weixinTokenVo.setTokenTime(System.currentTimeMillis());
   weixinTokenVo.setTokenExpires(6500);
  }
  weixinTokenMap.put(ACCESS_TOKEN, weixinTokenVo);
  AccessToken.setWeixinTokenMap(weixinTokenMap);
  return weixinTokenVo;
 }
 
 /**獲取微信JS接口的臨時票據
  * @return
  * @throws Exception
  */
 public AccessToken getJsapiTicket() throws Exception {
  Map<String, AccessToken> weixinTokenMap = AccessToken.getWeixinTokenMap();
  AccessToken weixinTokenVo = null;
  if(null!=weixinTokenMap){
   weixinTokenVo = weixinTokenMap.get(ACCESS_TOKEN);
  }else{
   weixinTokenMap=new HashMap<String, AccessToken>();
  }
  String jsapi_ticket="";
  //判斷是否在有效期內
  if(null!=weixinTokenVo&&(System.currentTimeMillis()-weixinTokenVo.getTicketTime())<weixinTokenVo.getTicketExpires()*1000){
   jsapi_ticket=weixinTokenVo.getJsapiTicket();
  }
  //判斷jsapi_ticket爲空 從新獲取
  if(!StringUtils.checkStr(jsapi_ticket)){
   SslUtil.ignoreSsl();
   weixinTokenVo=this.getAccessToken();
   String ticket=this.getJSTicket(weixinTokenVo.getAccessToken());
   log.info("accessToken爲:----"+weixinTokenVo.getAccessToken());
   weixinTokenVo.setJsapiTicket(ticket);
   weixinTokenVo.setTicketTime(System.currentTimeMillis());
   weixinTokenVo.setTicketExpires(6500);
  }
  weixinTokenMap.put(ACCESS_TOKEN, weixinTokenVo);
  AccessToken.setWeixinTokenMap(weixinTokenMap);
  return weixinTokenVo;
 }
 
 private String getJSTicket(String accessToken){
  String urlStr = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token="+accessToken;
  JSONObject obj=CommonUtil.httpsRequest(urlStr, "GET", null);
  String ticket=obj.getString("ticket");
  return ticket;
 }
}

 

後臺調用代碼

WeiXinConfigVo weiXinConfigVo = new WeiXinConfigVo();
  AccessToken accessTokenVo = weiXinService.getJsapiTicket();
  weiXinConfigVo =  WeiXinJsConfigUtil.sign(accessTokenVo.getJsapiTicket(), request);
  weiXinConfigVo.setAppId(WeiXinConstant.APPID);

 

頁面中寫入隱藏域

<input type="hidden" id="appId" value="$!weiXinConfigVo.appId">
<input type="hidden" id="timestamp" value="$!weiXinConfigVo.timestamp">
<input type="hidden" id="nonceStr" value="$!weiXinConfigVo.nonceStr">
<input type="hidden" id="signature" value="$!weiXinConfigVo.signature">