암초보

<table border="1" style="width:200px;"><tr><td>
ABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCD
</td></tr></table><p>

<table border="1" style="width:200px;"><tr><td style="word-break:break-all;">
ABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCD
</td></tr></table><p>

<table border="1" style="width:200px;"><tr><td>
홍길동 홍길동 홍길동 홍길동 홍길동 홍길동 홍길동 
</td></tr></table><p>

<table border="1"  style="width:200px;"><tr><td style="word-break:keep-all;">
홍길동 홍길동 홍길동 홍길동 홍길동 홍길동 홍길동
</td></tr></table>

<table border="1" style="width:200px;"><tr><td>
홍길동 홍길동 홍길동 홍길동 홍길동 홍길동 홍길동
</td></tr></table><p>

<table border="1"  style="width:200px;"><tr><td style="white-space:nowrap;">
홍길동 홍길동 홍길동 홍길동 홍길동 홍길동 홍길동
</td></tr></table>

결과 :

javascript:function r(d){d.oncontextmenu=null;d.onselectstart=null;d.ondragstart=null;d.onkeydown=null;d.onmousedown=null; d.body.oncontextmenu=null;d.body.onselectstart=null;d.body.ondragstart=null;d.body.onkeydown=null; d.body.onmousedown=null;};function unify(w){r(w.document);if(w.frames.length>0){for(var i=0;i<w.frames.length;i++){try{unify(w.frames[i].window);}catch(e){}};};};unify(self);alert("ok");

var str = "';

str.replace(/(^\s*)|(\s*$)/g,"");//공백제거됨

 /* =================================================================
  앞/뒤 공백 제거
 ================================================================= */

 String.prototype.trim = function() {
  return this.replace(/\s/g, "");
 }

 /* =================================================================
  앞 공백 제거
 ================================================================= */

 String.prototype.ltrim = function() {

  var i, j = 0;
  var objstr

  for (i = 0; i < this.length; i++) {

   if (this.charAt(i) == ' ') j = j + 1;
   else break;
  }

  return this.substr(j, this.length - j + 1) 
 }

 /* =================================================================
  뒤 공백 제거
 ================================================================= */

 String.prototype.rtrim = function() {

  var i, j = 0;

  for (i = this.length - 1; i >= 0; i--) {

   if (this.charAt(i) == ' ') j = j + 1;
   else break;
  }

  return this.substr(0, this.length - j);
 }

1) 스크립트 코드

<script type="text/javascript">

             var xmlHttp;

             //서버 연동을 위한 객체를 만드는 함수

             function createHttp(){

                           if(window.ActiveXObject){

                                        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");                                      

                           }else{

                                        xmlHttp=new XMLHttpRequest();

                           }

             }

             function startRequest(){

                           createHttp(); // 통신을 위한 객체 생성

                           // 서버가 응답하면 수행할 callback함수를 등록한다.

                           xmlHttp.onreadystatechange=callback;

                           // Get방식일 경우, 다음과 같이 요청.

                           var str=document.f1.login.value;

                           // 한글 처리를 위해 사용

                           var url="/ajax1/login?login="+escape(encodeURIComponent(str));

                           xmlHttp.open("GET",url,true);

                           xmlHttp.send(null);

             }

             // 서버가 응답하면 수행할 함수

             function callback(){

                           // readystate 요청 상태 - 4 : complete

                           if(xmlHttp.readyState==4){

                                        // 서버로부터 응답 상태 - 200 : ok 

                                        if(xmlHttp.status==200){

                                                     // responseText - 서버에서 응답한 데이터가 저장

                                                     alert(xmlHttp.responseText);

                                                     document.f1.login.value="";

                                                     document.f1.login.focus();                                                                            

                                        }

                           }

             }

</script>

----------------------------------------------------------------------------------------------------------

2) 서블릿 코드

public void doGet(HttpServletRequest request, HttpServletResponse response)

                                        throws ServletException, IOException {

                           response.setContentType("text/html;charset=euc-kr"); // response 한글처리

                           /**

                            * 헤더에 노캐쉬를 지정하는 이유는 캐쉬된 문서를 사용하지 않고,

                            * 요청 때마다 업데이트 되도록 지정하기 위해서이다.

                            */

                           response.setHeader("Cache-Control", "no-cache");

                           PrintWriter out = response.getWriter();

                           String param=request.getParameter("login");

                           param=URLDecoder.decode(param,"UTF-8"); // 파라미터값 한글처리

                           if(param!=null && param!=""){

                                        if(param.equals("자바")){

                                                                  out.print("login success~~~~^^");

                                        }else{

                                        out.print("login fail~~~~T.T");

                                        }

                           }else{

                                        out.println("null.....");

                           }

                           out.flush();

                           out.close();

             }

 Cookie cook1 = new Cookie("name", "kalzas");  //쿠키객체생성

 cook1.setPath="/";  //쿠키가 적용될 웹서버의 url 경로

 cook1.setMaxAge(60*60*24*365); //쿠키가 유지되는 시간(1년) -1일경우 페이지 닫으면 삭제

 cook1.setDomain = "url"; //응답해 줄 도메인 명

 response.addCookie(cook1);  //쿠키를 클라이언트에 세팅

 -가져오기

 try(

   Cookie[] cookies = request.getCookies();

   for(int i = 0; i < cookies.length; i++){

     out.println(cookies[i].getName() + "은" + cookies[i].getValue() + "입니다.);

   }

 }catch (Exception e){

   out.println(e);

 }

 -삭제하기

 try{

   Cookie[] cookies = request.getCookies();

   for(int i=0; i< cookies.length; i++){

     cookies[i].setMaxAge(0);

     cookies[i].setPath("/");              // 처음 설정한 Path 로 해줘야 쿠키가 삭제된다!

     response.addCookie(cookies[i]);

   }

   out.println("쿠키가 삭제되었습니다.");

 }catch(Exception e){

   out.println(e);

 }

특정 도메인과 연결된 경우에는 그 도메인의 요청에 의해서만 삭제해야 한다.

try{

   Cookie[] cookies = request.getCookies();

    for(int i=0; i< cookies.length; i++){

        Cookie cook = cookies[i];

        if(cook.getName().equals("ucc_login")) {

           cook.setPath = "/";

           cook.setDomain = "url"; 

           cook.setMaxAge(0);

           response.addCookie(cook);
        }

     }

} catch(Exception e) {

   out.println(e);

 }