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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