java web ¿Í»§¶ËУÑéÎÊÌâ
ÎÒÓÐÁ½¸öÎÊÌ⣬Çë´ó¼Ò·¢±íÒâ¼û°¡£¬Ôڴ˸ÐлÁË
1£¬ÎÒÓÐajax×ö¿Í»§¶ËУÑéʱ£¬Èç¹ûÊäÈëÓÐÎó£¬È·ÊµÄÜУÑ飬µ«ÊÇÊäÈëÕýȷʱ£¬È´ÎÞ·¨Ìá½»£¬Ò²¾ÍÊǵãÌá½»µÄ°´Å¥Ã»·´Ó¦
2£¬ÎÒÓÃstruts2µÄ¿ò¼ÜУÑé×ö¿Í»§¶ËУÑéʱ£¬±ÈÈçУÑéÓû§µÄÓÐЧ³¤¶Èʱ£¬ÎÒ°Ñ´íÎóÐÅϢдµ½Á˹ú¼Ê»¯ÎļþÀȻºóÔÚstruts.xmlÎļþÀïͨ¹ýgetText("")·½·¨»ñÈ¡ÐÅϢʱ£¬ÎÞ·¨ÕýÈ·½âÎö¹ú¼Ê»¯ÎļþÀï{minLength}ºÍ${maxLength}ÕâÑùµÄ±í´ïʽ£¬Êä³öʱ¾ÍÊÇÔÑùÊä³öÁË£¬
µ«ÊÇ×÷Ϊ·þÎñÆ÷¶ËУÑéʱ£¬È´ÄÜÕýÈ·½âÎö{minLength}°¡£¬ÕâÊÇΪʲô°¡£¬ÓÖ½â¾öµÄ°ì·¨Ã´£¿
¾ÍÊÇÏȼÓÈëdwr.jar£¬ÔÚweb ¡£xmlÀïÅäÖÃһϣ¬È»ºó¼ÓÈëdwr.xmlÎļþ£¬ÕâЩ¶¼Êǹ̶¨µÄ£¬ÎÒÒ²ÊÇ¿½¹ýÀ´µÄ£¬
È»ºóÔÚheadÀïÌí¼Ó<s:head theme="ajax"/>
ÔÚformÀïÌí¼Ótheme="ajax" £¬¾ÍÐÐÁË
Ïà¹ØÎÊ´ð£º
ÎÊÌâÃèÊö£ºÐ´ÈÕÖ¾¹¦ÄÜ£¬Ð´ºÃµÄдÈÕÖ¾·þÎñ£¬ÆäËûÓû§Í¨¹ýhttpµ÷Ó÷þÎñ£¬´«Èë²ÎÊý£¬È»ºó¼Ç¼ÈÕÖ¾£¬
ÎҵķþÎñ¸ÃÔõôд£¬ ±ðÈËÔõôͨ¹ýhttpµ÷ÓÃÎҵķþÎñ£¬ÎÒÓÃwebserviceдºÃÁËÒ»¸ö£¬¿ÉÊDz¢·¢ÓÐÉÏÏߣ¬Ïë¸ÄÓ ......
ÎÒµÄjava applet ǶÈëhtmlºóÎÞ·¨ÏÔʾ£¬¶øÓÃappletviewerÏÔʾÕý³£ÎªÊ²Ã´£¬»¹ÓоÍÊÇÓÃhtml converterת»¯ºó¿ÉÒÔÏÔʾ£¬ÎªÊ²Ã´£¿Çë´óÏÀ´Í½Ì£¡
HTML code:
<HTML>
<HEAD>
<TITLE>TEST.HTML< ......
ÓÃRandomAccessFileдÈëTXTÎļþ²é¿´Ê±ÊÇÂÒÂ룬ÇëÎÊÓÐʲô·½·¨¿ÉÒÔд³É¿É¶ÁµÄÎļþ£¬²»ÊÇÓÃÆäËûµÄÎļþ²Ù×÷£¬¾ÍÊÇÖ»ÓÃRandomAccessFileµÄ·½·¨ÊÇ·ñ¿ÉÒÔʵÏÖ£¿
Java code:
import java.io.*;
public class RandomAcce ......
private static final String URL = "jdbc:oracle:thin:@localhost:1521:orcl";
private static final String USERNAME = "sys";
private static final String PASSWORD = "s ......
²»ÖªµÀΪɶÔÒÎÒ×Ô¼º»ú×ÓÉÏûÏÔʾ Ö»Óиöframe ±ðµÄ×Ô¼ºÉÏÄÜÏÔʾ
import java.awt.*;
public class calculator
{
public static void main(String args[])
{
int i;
......