Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JAVAºÍPHPÎļþ²Ù×÷×ܽá

JAVAÎļþ²Ù×÷×ܽá
FileÀà
File f = new File(path);
pathΪʵ¼Ê·¾¶£¬¸Ã·¾¶¿ÉÒÔÊÇÎļþ£¬»òÎļþ¼Ð£¬Ò²¿ÉÒÔÊDz»´æÔڵġ£
f.exists() ¿ÉÒÔÅжϸ÷ÊÇ·ñ´æÔÚ¡£
f.isDirectory() ¿ÉÒÔÅжÏÊÇ·ñÊÇÎļþ¼Ð¡£
f.mkdirs(); µÝ¹é´´½¨Îļþ¼Ð
FileºÍÊäÈëÊä³öÁ÷Ö®¼äŦ´øFileInutStream£¬FileOutputStream
URL url = new URL(strUrl);
BufferedInputStream bis = new BufferedInputStream(url.openStream()); //ÓÃbuffer   
OutputStream os = new FileOutputStream(new File(path + newName));
byte[] bytes = new byte[1024];
int len;
while((len = bis.read(bytes)) > 0) { //Ñ­»·¶ÁÈ¡1024×Ö½Ú
     os.write(bytes, 0, len);  //дÈë1024×Ö½Ú
}
bis.close();
os.flush();
os.close();


Ïà¹ØÎĵµ£º

Java¶þ·Ö·¨

Ìù¶Î´úÂë,ÓÐÉÙÐí×¢ÊÍ:
package ibees;
import java.util.Arrays;
public class BinarySearch {

/**
* @param args
*/
public static void main(String[] args) {
double[] src = new double[]{1.3,9.9,10.89,12.89,89.0};
System.out.println(new BinarySearch().binarySearch(src, 89.0));
}

......

eclipseÖн«javaÏîĿתΪwebÏîÄ¿


1.ÐÞ¸ÄÏîÄ¿µÄ.projectÎļþ£¬±£´æ£¬Ë¢Ð¹¤³Ì¡£
    ÔÚ<natures>
         …
      </natures>
   Ö®¼äÌí¼ÓÏÂÁÐÈýÐÐÅäÖÃ
<nature>org.eclipse.wst.common.project.facet.core.nature</n ......

ÓÃjavaʵÏÖcache


ÔÚ¿ª·¢ÏîÄ¿¹¤³Ìʱ£¬¾­³£»áÓöµ½±£´æÄ³Ð©Öµ·Åµ½ÏµÍ³µÄcacheÖУ¬ÏÖÓÃCache.javaºÍCacheManager.javaÀ´¹ÜÀí¡£¾ßÌå´úÂë·Ö±ðÈçÏ£º
public class Cache {
       
private String key;
       
private Object value;
    &n ......

Java»ù±¾Êý¾ÝÀàÐÍ

 ±äÁ¿,³£Á¿µÄ¸ÅÄî

  JavaÓïÑÔÖÐÓÐÎåÖÖ²»Í¬ÀàÐ͵ij£Á¿,

 
•1ÕûÐͳ£Á¿:ÈκÎÒ»¸öÕûÐÍÊý×Ö¾ÍÊÇÒ»¸öÕûÐͳ£Á¿.
–JavaÓïÑÔÖÐ,ÕûÐͳ£Á¿ÓÐÈýÖÖ±íʾ·½Ê½:
•Ê®½øÖÆ:0,1,2,3,4,5,6,7,8,9,10,11,12…¶¼ÊÇÊ®½øÖƵij£Á¿
•°Ë½øÖÆ:°Ë½øÖÆ¿ÍÁ÷Á¿Ö»ÄÜÓÃ0,1,2,3,4,5,6,7À ......

PHP SQL ×¢Èë¹¥»÷µÄ¼¼ÊõʵÏÖÒÔ¼°Ô¤·À°ì·¨

¡¡×î½üÔÚÕÛÌÚ PHP + MYSQL
µÄ±à³Ì¡£Á˽âÁËһЩ PHP SQL ×¢Èë¹¥»÷
µÄ֪ʶ£¬ÓÚÊÇдÁËÕâÆªÎÄÕ¡¡http://www.xiaohui.com/weekly/20070314.htm£¬×ܽáһϾ­Ñé¡£ÔÚÎÒ¿´À´£¬Òý·¢ SQL ×¢Èë¹¥»÷
µÄÖ÷ÒªÔ­Òò£¬ÊÇÒòΪÒÔÏÂÁ½µãÔ­Òò£º
¡¡¡¡1. php ÅäÖÃÎļþ php.ini ÖÐµÄ magic_quotes_gpc
Ñ¡ÏîûÓдò¿ª£¬±»ÖÃΪ off
¡¡¡¡2. ¿ª·¢ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ