package com.tgb.util; 
 
import java.util.regex.Matcher; 
import java.util.regex.Pattern; 
 
/** 
 * 檢測(cè)是否為移動(dòng)端設(shè)備訪問(wèn) 
 * 
 * @author  : 
 * @group  : 
 * @Version  : 
 * @Date  : 
 */ 
public class CheckMobile { 
  
 // \b 是單詞邊界(連著的兩個(gè)(字母字符 與 非字母字符) 之間的邏輯上的間隔), 
 // 字符串在編譯時(shí)會(huì)被轉(zhuǎn)碼一次,所以是 "\\b" 
 // \B 是單詞內(nèi)部邏輯間隔(連著的兩個(gè)字母字符之間的邏輯上的間隔) 
 static String phoneReg = "\\b(ip(hone|od)|android|opera m(ob|in)i" 
   +"|windows (phone|ce)|blackberry" 
   +"|s(ymbian|eries60|amsung)|p(laybook|alm|rofile/midp" 
   +"|laystation portable)|nokia|fennec|htc[-_]" 
   +"|mobile|up.browser|[1-4][0-9]{2}x[1-4][0-9]{2})\\b"; 
 static String tableReg = "\\b(ipad|tablet|(Nexus 7)|up.browser" 
   +"|[1-4][0-9]{2}x[1-4][0-9]{2})\\b"; 
  
 //移動(dòng)設(shè)備正則匹配：手機(jī)端、平板 
 static Pattern phonePat = Pattern.compile(phoneReg, Pattern.CASE_INSENSITIVE); 
 static Pattern tablePat = Pattern.compile(tableReg, Pattern.CASE_INSENSITIVE); 
  
 /** 
  * 檢測(cè)是否是移動(dòng)設(shè)備訪問(wèn) 
  * 
  * @Title: check 
  * @Date : 
  * @param userAgent 瀏覽器標(biāo)識(shí) 
  * @return true:移動(dòng)設(shè)備接入，false:pc端接入 
  */ 
 public static boolean check(String userAgent){ 
  if(null == userAgent){ 
   userAgent = ""; 
  } 
  // 匹配 
  Matcher matcherPhone = phonePat.matcher(userAgent); 
  Matcher matcherTable = tablePat.matcher(userAgent); 
  if(matcherPhone.find() || matcherTable.find()){ 
   return true; 
  } else { 
   return false; 
  } 
 } 
} 

 /** 
 * 檢查訪問(wèn)方式是否為移動(dòng)端 
 * 
 * @Title: check 
 * @Date : 
 * @param request 
 * @throws IOException 
 */ 
public boolean check(HttpServletRequest request,HttpServletResponse response) throws IOException{ 
 boolean isFromMobile=false; 
  
 HttpSession session= request.getSession(); 
 //檢查是否已經(jīng)記錄訪問(wèn)方式（移動(dòng)端或pc端） 
 if(null==session.getAttribute("ua")){ 
  try{ 
   //獲取ua，用來(lái)判斷是否為移動(dòng)端訪問(wèn) 
   String userAgent = request.getHeader( "USER-AGENT" ).toLowerCase(); 
   if(null == userAgent){ 
    userAgent = ""; 
   } 
   isFromMobile=CheckMobile.check(userAgent); 
   //判斷是否為移動(dòng)端訪問(wèn) 
   if(isFromMobile){ 
    System.out.println("移動(dòng)端訪問(wèn)"); 
    session.setAttribute("ua","mobile"); 
   } else { 
    System.out.println("pc端訪問(wèn)"); 
    session.setAttribute("ua","pc"); 
   } 
  }catch(Exception e){} 
 }else{ 
  isFromMobile=session.getAttribute("ua").equals("mobile"); 
 } 
  
 return isFromMobile; 
}