微信公眾號獲取帶引數的二維碼
public void publicQR(
HttpServletResponse response,HttpServletRequest request,@RequestBody String dataid) {
ResultMap map = new ResultMap();
try {
JSONObject jsondata = JSONObject.fromObject(dataid);
String udid = jsondata.getString("引數");
if(MyUtil.isEmpty(“”引數“”)) {
map.setState(ResultMap.ERROR);
map.setMsg("引數不能為空");
return map;
}
String url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+appid+"&secret="+secret;
String resultStr = HttpHelper.httpGet(url,null);
System.out.println("resultStr"+resultStr);
JSONObject json = JSONObject.fromObject(resultStr);
String token = json.getString("access_token");
System.out.println("access_token"+token);
String qrUrl = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token="+token;
Map<String,String> idMap = new HashMap<String,String>();
idMap.put("scene_str", "引數");
Map<String,Object> scenMap = new HashMap<String,Object>();
scenMap.put("scene", idMap);
Map<String,Object> param = new HashMap<String,Object>();
String expire_seconds ="10000";
String action_name = "QR_STR_SCENE";
param.put("expire_seconds", expire_seconds);
param.put("action_name", action_name);
param.put("action_info", scenMap);
String data = new Gson().toJson(param);
String qrResult = HttpHelper.httpPost(qrUrl, data, null);
System.out.println("qrResult"+qrResult);
JSONObject qrJson = JSONObject.fromObject(qrResult);
String qrCode = qrJson.getString("url");
String ticket = qrJson.getString("ticket");
System.out.println("ticket"+ticket);
String qrsUrl = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket="+ticket;
response.getWriter().print(qrsUrl );
} catch (Exception e) {
}
}