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//用AccessToken换取二维码
public String getQr(String accessToken, String jsonMsg){
String result = null;
net.sf.json.JSONObject jsonObject=null;
try {
requesttoken = requesttoken.replace("TOKEN", accessToken);
//就是这一步,请求API的时候,JSON未能正常返回,导致解析空指针了
jsonObject = WeixinUtil.httpRequest(requesttoken, "POST", jsonMsg);
LoggerFactoryUtil.info("ShopManagerServiceImpl|getQr|获取微信返回的JSON"+jsonObject);
if(null != jsonObject){
String tt = jsonObject.getString("ticket");
result = tt;
}
} catch (Exception e) {
LoggerFactoryUtil.error("ShopManagerServiceImpl|getQr|获取微信二维码失败"+jsonObject);
e.printStackTrace();
}
return result;
}