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package com.ye_0809.util;
/**
*session工具类
*@Author 何爽
*@Date 2018-9-20
**/
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
public class SessionUtil {
/**
* 全局删除id标示
*/
public static String GLOB_DELETE_ID_VAL = "globDeleteIdVal";
/**
* 获取request
*
* @return
*/
public static HttpServletRequest getRequest() {
ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder
.getRequestAttributes();
return requestAttributes == null ? null : requestAttributes
.getRequest();
}
/**
* 获取session
*
* @return
*/
public static HttpSession getSession() {
return getRequest().getSession(false);
}
/**
* 获取真实路径
*
* @return
*/
public static String getRealRootPath() {
return getRequest().getServletContext().getRealPath("/");
}
/**
* 获取ip
*
* @return
*/
public static String getIp() {
ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) RequestContextHolder
.getRequestAttributes();
if (servletRequestAttributes != null) {
HttpServletRequest request = servletRequestAttributes.getRequest();
return request.getRemoteAddr();
}
return null;
}
/**
* 获取session中的Attribute
*
* @param name
* @return
*/
public static Object getSessionAttribute(String name) {
HttpServletRequest request = getRequest();
return request == null ? null : request.getSession().getAttribute(name);
}
/**
* 设置session的Attribute
*
* @param name
* @param value
*/
public static void setSessionAttribute(String name, Object value) {
HttpServletRequest request = getRequest();
if (request != null) {
request.getSession().setAttribute(name, value);
}
}
/**
* 获取request中的Attribute
*
* @param name
* @return
*/
public static Object getRequestAttribute(String name) {
HttpServletRequest request = getRequest();
return request == null ? null : request.getAttribute(name);
}
/**
* 设置request的Attribute
*
* @param name
* @param value
*/
public static void setRequestAttribute(String name, Object value) {
HttpServletRequest request = getRequest();
if (request != null) {
request.setAttribute(name, value);
}
}
/**
* 获取上下文path
*
* @return
*/
public static String getContextPath() {
return getRequest().getContextPath();
}
/**
* 删除session中的Attribute
*
* @param name
*/
public static void removeSessionAttribute(String name) {
getRequest().getSession().removeAttribute(name);
}
}