session ajax超时问题处理方案

 
if (request.getHeader("x-requested-with") != null    
        && request.getHeader("x-requested-with").equalsIgnoreCase(    //ajax超时处理     
                "XMLHttpRequest")) {     
    response.getWrite.print("timeout");     
}else{//http超时的处理     
  //非异步的请示处理
}    




$.ajaxSetup({ 
 complete:function(XMLHttpRequest, status){ 
 var res=XMLHttpRequest.responseText; 
 if(res==“timeout“){ location.href = “login.jsp“;} 

   } 

  }); 

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