Package com.jeecms.cms.web

Source Code of com.jeecms.cms.web.CmsUtils

package com.jeecms.cms.web;

import javax.servlet.http.HttpServletRequest;

import com.jeecms.cms.entity.main.CmsSite;
import com.jeecms.cms.entity.main.CmsUser;

/**
* 提供一些CMS系统中使用到的共用方法
*
* 比如获得会员信息,获得后台站点信息
*
* @author liufang
*
*/
public class CmsUtils {
  /**
   * 用户KEY
   */
  public static final String USER_KEY = "_user_key";
  /**
   * 站点KEY
   */
  public static final String SITE_KEY = "_site_key";

  /**
   * 获得用户
   * @param request
   * @return
   */
 
  public static CmsUser getUser(HttpServletRequest request) {
    return (CmsUser) request.getAttribute(USER_KEY);
  }

  /**
   * 获得用户ID   *
   * @param request
   * @return
   */
  public static Integer getUserId(HttpServletRequest request) {
    CmsUser user = getUser(request);
    if (user != null) {
      return user.getId();
    } else {
      return null;
    }
  }

  /**
   * 设置用户
   * @param request
   * @param user
   */
  public static void setUser(HttpServletRequest request, CmsUser user) {
    request.setAttribute(USER_KEY, user);
  }

  /**
   * 获得站点
   * @param request
   * @return
   */
  public static CmsSite getSite(HttpServletRequest request) {
    return (CmsSite) request.getAttribute(SITE_KEY);
  }

  /**
   * 设置站点
   *
   * @param request
   * @param site
   */
  public static void setSite(HttpServletRequest request, CmsSite site) {
    request.setAttribute(SITE_KEY, site);
  }

  /**
   * 获得站点ID
   * @param request
   * @return
   */
  public static Integer getSiteId(HttpServletRequest request) {
    return getSite(request).getId();
  }
}
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