杂项：20190624

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;

public static String getTemplateMessageSend(RestTemplate restTemplate) {

    String accessTokenUrl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential";
    String appID = "wx";
    String secret = "90f";

    String path = String.format("%s&appid=%s&secret=%s", accessTokenUrl, appID, secret);
    ResponseEntity<String> entity = restTemplate.getForEntity(path, String.class);
    JSONObject responseObj = JSON.parseObject(entity.getBody());
    String access_token = responseObj.getString("access_token");

    return access_token;
}