springboot封装JsonUtil,CookieUtil工具类代码实例

这篇文章主要介绍了springboot封装JsonUtil,CookieUtil工具类过程解析,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下

JsonUtil

public class JsonUtil {
  private static ObjectMapper objectMapper = new ObjectMapper();

  public static String objectToString(Object object) throws JsonProcessingException {
    return objectMapper.writeValueAsString(object);
  }

  public static  T stringToObject(String json,Class object) throws IOException {
    return objectMapper.readValue(json,object);
  }
}

CookieUtil

public class CookieUtil {
  public static String getCookie(HttpServletRequest request, String cookieName){

    Cookie[] cookies = request.getCookies();
    if(cookies != null){
      for(Cookie cookie : cookies){
        if(cookie.getName().equals(cookieName)){
          return cookie.getValue();
        }
      }
    }

    return null;
  }

  public static void setCookie(HttpServletResponse response, String cookieName, String value,int cookieMaxAge){
    Cookie cookie = new Cookie(cookieName,value);
    cookie.setPath("/");
    cookie.setMaxAge(cookieMaxAge);
    response.addCookie(cookie);
  }

  public static void deleteCookie(HttpServletResponse response, String cookieName){
    setCookie(response,cookieName,null,0);
  }
}

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