八、设置HTTP应答头

primeListVector.removeElementAt(0);
primeListVector.addElement(primeList);
}
}
Vector currentPrimes = primeList.getPrimes();
int numCurrentPrimes = currentPrimes.size();
int numPrimesRemaining = (numPrimes - numCurrentPrimes);
boolean isLastResult = (numPrimesRemaining == 0);
if (!isLastResult) {
response.setHeader("Refresh", "5");
}
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String title = "Some " numDigits "-Digit Prime Numbers";
out.println(ServletUtilities.headWithTitle(title)
"＜BODY BGCOLOR=＼"#FDF5E6＼"＞＼n"
"＜H2 ALIGN=CENTER＞" title "＜/H2＞＼n"
"＜H3＞Primes found with " numDigits
" or more digits: " numCurrentPrimes ".＜/H3＞");
if (isLastResult)
out.println("＜B＞Done searching.＜/B＞");
else
out.println("＜B＞Still looking for " numPrimesRemaining
" more＜BLINK＞...＜/BLINK＞＜/B＞");
out.println("＜OL＞");
for(int i=0; i＜numCurrentPrimes; i ) {
out.println(" ＜LI＞" currentPrimes.elementAt(i));

本文来自织梦

}
out.println("＜/OL＞");
out.println("＜/BODY＞＜/HTML＞");
}

public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}

// 检查是否存在同类型请求（已经完成，或者正在计算）。
// 如存在，则返回现有结果而不是启动新的后台线程。
private PrimeList findPrimeList(Vector primeListVector,
int numPrimes,
int numDigits) {
synchronized(primeListVector) {
for(int i=0; i＜primeListVector.size(); i ) {
PrimeList primes = (PrimeList)primeListVector.elementAt(i);
if ((numPrimes == primes.numPrimes()) &&
(numDigits == primes.numDigits()))
return(primes);
}
return(null);
}
}
}

　　 PrimeNumbers.html
＜!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"＞
＜HTML＞
＜HEAD＞
＜TITLE＞大素数计算＜/TITLE＞
＜/HEAD＞
＜CENTER＞
＜BODY BGCOLOR="#FDF5E6"＞
＜FORM ACTION="/servlet/hall.PrimeNumbers"＞

标签云:设置 Servlet 应答 文档 一个 状态 方法 页面 请