Java³ÌÐòÐÞ¸ÄÎļþÃû
package script;
import java.io.File;
import java.io.IOException;
public class Realname {
public static void main(String[] args) throws IOException
{
File oldFile = new File("d:/PMS");
if(!oldFile.exists())
{
oldFile.createNewFile();
}
System.out.println("ÐÞ¸ÄÇ°ÎļþÃû³ÆÊÇ£º"+oldFile.getName());
String rootPath = oldFile.getParent();
System.out.println("¸ù·¾¶ÊÇ£º"+rootPath);
File newFile = new File(rootPath + File.separator + "PMSTmp");
System.out.println("Ð޸ĺóÎļþÃû³ÆÊÇ£º"+newFile.getName());
if (oldFile.renameTo(newFile))
{
System.out.println("Ð޸ijɹ¦!");
}
else
{
System.out.println("ÐÞ¸Äʧ°Ü");
}
}
}
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Javaͳ¼Æ´Ó1970Äê1ÔÂ1ÈÕÆðµÄºÁÃëµÄÊýÁ¿±íʾÈÕÆÚ¡£Ò²¾ÍÊÇ˵£¬ÀýÈ磬1970Äê1ÔÂ2ÈÕ£¬ÊÇÔÚ1ÔÂ1ÈÕºóµÄ86£¬400£ ......
filterÔªËغÍfilter-mappingÔªËØ
<filter>¹ýÂËÆ÷ÔªËؽ«Ò»¸öÃû×ÖºÍʵÏÖjavax.servlet.FilterµÄ½Ó¿ÚµÄÀàÏà¹ØÁª¡£
1 н¨Ò»¸öÀà Encoding Filter
package cn.bupt.duming.util;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.se ......
Èç¹û°²×°JDKʱÌáʾÒѾ°²×°ÁËJDK£¨»òÕß°²×°µÄ°æ±¾²»ÊÇÄãÏëÒªµÄ£©£¬É¾³ýµÄ·½·¨ÈçÏ£º
# yum -y remove java-1.4.2-gcj-compat
1.°²×°JDK
Ê×ÏÈÐèÒª´ÓÍøÉÏÏÂÔØJDK°²×°Îļþ£¬Èç¹ûÎļþµÄÀàÐÍÊÇrpm.bin£¬¿ÉÒÔʹÓÃÏÂÃæµÄÃüÁî°²×°£º
# sh jdk-6u2-linux-i586-rpm.bin
Èç¹ûÎÄ ......
String str = "ÖÐ";
String str1 = new String(str.getBytes("gbk"), "ISO8859-1");
String str2 = new String(str1.getBytes("ISO8859-1"), "gbk");
System.out.println(str2); //Êä³ö"ÖÐ" ......
¹ØÓÚJavaÉú³É±³¾°Í¸Ã÷µÄpngͼƬ
×î½üÓõ½Java¶¯Ì¬Éú³É±³¾°Í¸Ã÷µÄͼƬ¹¦ÄÜ£¬´ÓgifºÍpngÖÐÑ¡ÔñÁËpng¸ñʽ£¬¸öÖÐÔµÓɾͲ»ËµÁË£¬ÓÚÊǶ¯ÊÖµ½ÍøÉÏËÑË÷ÓÐÓõĴúÂë¡£ÏÖ°ÑËÑË÷½á¹û×ܽáÈçÏ£º
1. Éú³ÉpngͼƬ
int width = 400;
int height = 300;
// ´´½¨BufferedImage¶ÔÏó
BufferedImage&nb ......