????????ò???úü???????????B/S???????ε?????????????????????????÷???鷳?????????????????????????????????д?????????????ɡ????????????????????????????????????????
????????????Java????????????Java????????????Google??????“Java??????”??“Java????????”??“JavaPost???”????????????????????????????????????д??????????????????????????Щ?????????jsp???????л?????c/s???????????С?????Щ?????????á?
???????????????′???
????URLurl=newURL(surl);
????URLConnectionconn=url.openConnection();
????conn.setDoOutput(true); ????
????OutputStreamWriterout=newOutputStreamWriter(conn.getOutputStream()); ????
????Stringstr="username=yourname&password=123456"; ????
????out.write(str); ????
????out.flush(); ????
????out.close();
???????????????C/S???У?????????????????????????????oa?????????????????????????????????????????????System.out.println()??????
????Stringsling=""; ??
????Stringscontent=""; ??
????BufferedReaderin=newBufferedReader(newInputStreamReader(conn.getInputStream()??"UTF-8")); ????
    while((sling=in.readLine())!=null) ??
????scontent+=in+" "; ??
????System.out.println(scontent);
??????C/S???￡??????????????????????????????????????????????????????????????????????????????????????μ??????????е???????????????????????????????????????
??????????C/S???2???????????????????????????????C/S??????????????????????????????????????????????????б????????????????????????а?????Session.
?????????????Session?????????????????????????????????????????????jsp????в??????????????
??????????????????????????????????????????????Post??????????????Form??????action??????????????????????????????????????????username??password??????????????????????????????????????????????С?????????????????????????????
??????????????url.openConnection()????????????????scontent????????????????????′???
????out.println(" "); ??
????out.println("document.getElementsByName("username")[0].value=yourname; "); ????
????out.println("document.getElementsByName("password")[0].value=123456; "); ??
????out.println("document.forms[0].submit(); ");
????out.println(" ");
??????????????login.jsp?????????????????д??????棬??????javascript??????????????????????????????????????У?????????????????????????????????????????????????????????oa???
????????????????url????????????????????????????????????????????????????Ч?????????Ч????????????????Ч???????????????????