Java¶¨Ê±ÈÎÎñµÄʵÏÖ
¢Ù¼Ì³ÐTimerTask£¬ÖØÐ´run·½·¨
package bamboo.task;
import java.util.TimerTask;
public class TimeTaskTest extends TimerTask{
@Override
public void run() {
System.out.println("hi");
}
}
¢Úͨ¹ýtimerÀ´ÉèÖÃij¸öʱ¼äÀ´µ÷Ó㬻òÕßÊÇÏà¸ô¶à³¤Ê±¼äµ÷ÓÃ
package bamboo.test;
import java.util.Date;
import java.util.Timer;
import bamboo.task.TimeTaskTest;
public class TimeTest {
static TimeTaskTest test=new TimeTaskTest();
public static void main(String [] args){
Timer timer=new Timer();
//Æô¶¯ºÍ¼ä¸ôµÄʱ¼ä 1000ºÁÃë
//timer.schedule(test,0,1000);
//ÉèÖÃʲôʱºòÖ´ÐÐ
//timer.schedule(test, new Date());
}
}
Ïà¹ØÎĵµ£º
ʹÓÃWindows²Ù×÷ϵͳµÄÅóÓѶÔExcel£¨µç×Ó±í¸ñ£©Ò»¶¨²»»áİÉú£¬µ«ÊÇҪʹÓÃJavaÓïÑÔÀ´²Ù×ÝExcelÎļþ²¢²»ÊÇÒ»¼þÈÝÒ×µÄÊ¡£ÔÚWebÓ¦ÓÃÈÕÒæÊ¢ÐеĽñÌ죬ͨ¹ýWebÀ´²Ù×÷ExcelÎļþµÄÐèÇóÔ½À´Ô½Ç¿ÁÒ£¬Ä¿Ç°½ÏΪÁ÷ÐеIJÙ×÷ÊÇÔÚJSP»òServlet Öд´½¨Ò»¸öCSV £¨comma separated values£©Îļþ£¬²¢½«Õ⸠......
MySQL Java ¿ª·¢Ì××°(·þÎñÆ÷,¹ÜÀí¹¤¾ß,JDBCÇý¶¯,ʾÀý´úÂë)
С¸üÐÂ: ΪÁ˼õÇḺµ£, Óà MySQL-Front 2.5 À´¹ÜÀí, Õâ¸öÈí¼þÎÞÖÐÎÄÎÊÌâ. Èç¹ûÒÔºó¿ªÔ´°æ±¾HeidiSQLµÄ½â¾öÁËÖÐÎÄÎÊÌâ, ¾ÍÓÿªÔ´µÄ.
ÏÂÔØ: http://tomcatmonitor.googlecode.com/files/portable_mysql5.exe 4.02MB (×Ô½âѹ°ü)
²Î¿¼Îĵµ: MySQL 5 ÂÌÉ« ......
ʹÓÃÀàjava.io.File
1.»ñȡϵͳӲÅÌÐÅÏ¢£º
public static String getDiskInfo() {
StringBuffer sb=new StringBuffer();
File[] roots = File.listRoots();// »ñÈ¡´ÅÅÌ·ÖÇøÁбí
for (File file : roots) {
long totalSpace=file.getTotalSpace();
long freeSpace=file.getFreeSpace();
long usa ......
Èç¹ûÄãÔø¾ÓùýPerl»òÈÎºÎÆäËûÄÚ½¨ÕýÔò±í´ïʽ֧³ÖµÄÓïÑÔ£¬ÄãÒ»¶¨ÖªµÀÓÃÕýÔò±í´ïʽ´¦ÀíÎı¾ºÍÆ¥ÅäģʽÊǶàô¼òµ¥¡£Èç¹ûÄã²»ÊìϤÕâ¸öÊõÓÄÇô“ÕýÔò±í´ïʽ”£¨Regular Expression£©¾ÍÊÇÒ»¸ö×Ö·û¹¹³ÉµÄ´®£¬Ëü¶¨ÒåÁËÒ»¸öÓÃÀ´ËÑË÷Æ¥Åä×Ö·û´®µÄģʽ¡£
Ðí¶àÓïÑÔ£¬°üÀ¨Perl¡¢PHP¡¢Python¡¢JavaScriptºÍJScript£¬¶¼Ö§ ......