jspÖÐͨ¹ýURLµØÖ·»ñÈ¡¸ÃµØÖ·Ò³ÃæÖеľ²Ì¬Ò³Ãæ
try {
URL url = new URL("http://www.163.com");
InputStream is = url.openStream();
byte[] buffer = new byte[1024];
int i;
while((i = is.read(buffer)) != -1){
System.out.println(new String(buffer,0,i));
}
} catch (Exception e) {
e.printStackTrace();
}
Ïà¹ØÎĵµ£º
scopeÊôÐÔÓÃÓÚÖ¸¶¨JavaBeanʵÀý¶ÔÏóËù´æ´¢µÄÓò·¶Î§£¬ÆäȡֵֻÄÜÊÇpage¡¢request¡¢sessionºÍapplicationËĸöÖµÖеÄÒ»¸ö£¬ÆäĬÈÏÖµÊÇpage¡£
ÎÒ¿ÉÒÔ²âÊÔÏÂÃæ´úÂ룺
date.jsp
---------------------------------------------------------
<jsp:useBean i ......
JSP×Ô¶¨Òå±êÇ©
Ò»£¬ »ù±¾¸ÅÄ
±êÇ©(Tag):±êÇ©ÊÇÒ»ÖÖXMLÔªËØ£¬Í¨¹ý±êÇ©¿ÉÒÔʹJSPÍøÒ³±äµÃ¼ò½àÒ×ÓÚά»¤£¬»¹¿ÉÒÔ·½±ãµØÊµÏÖͬһ¸öJSPÎļþÖ§³Ö¶àÖÖÓïÑÔ°æ±¾¡£ÓÉÓÚ±êÇ©ÊÇXMLÔªËØ£¬ËùÒÔËüµÄÃû³ÆºÍÊôÐÔ¶¼ÊÇ´óСдÃô¸ÐµÄ¡£
±êÇ©¿â(Tag library)£ºÓÉһϵÁй¦ÄÜÏàËÆ£¬Âß¼ÉÏ»¥ÏàÁªÏµµÄ±êÇ©¹¹³ÉµÄ¼¯ºÏ³ÆÎª±êÇ©¿ ......
public class TaskBean extends Thread{
public TaskBean(){
}
private int percent=0;
private boolean complete=false;
public synchronized&nb ......
JSP µÄÄÚÖöÔÏóÓУºresquest ¡¢response¡¢session¡¢ application ¡¢out¡£ÒÔÏÂÎÒÃǽ«
Ò»Ò»½éÉÜ¡£
response ºÍrequest ¶ÔÏóÊÇJSP µÄÄÚÖöÔÏó½ÏÖØÒªµÄÁ½¸ö£¬ÕâÁ½¸ö¶ÔÏóÌṩÁ˶ԷþÎñ
Æ÷ºÍä¯ÀÀÆ÷ͨÐÅ·½·¨µÄ¿ØÖÆ¡£Ö±½ÓÌÖÂÛÕâÁ½¸ö¶ÔÏóǰ£¬ÒªÏȶÔHTTP ÐÒé----Word Wide
Webµ×²ãÐÒé×÷¼òµ¥½éÉÜ¡£
Word Wide WebÊÇÔõÑùÔËÐеÄÄØ£ ......