JavaÎļþÏÂÔØµÄ¼¸ÖÖ·½Ê½
´ÓÍøÉÏ¿´µ½Ò»¸ö²»´íµÄjavaÎļþÏÂÔØµÄ¼¸ÖÖ·½Ê½ÎÄÕ£¬ÄùýÀ´¸ú´ó¼Ò·ÖÏíһϣº
JavaÎļþÏÂÔØµÄ¼¸ÖÖ·½Ê½
public HttpServletResponse download(String path, HttpServletResponse response) {
try {
// pathÊÇÖ¸ÓûÏÂÔØµÄÎļþµÄ·¾¶¡£
File file = new File(path);
// È¡µÃÎļþÃû¡£
String filename = file.getName();
// È¡µÃÎļþµÄºó׺Ãû¡£
String ext = filename.substring(filename.lastIndexOf(".") + 1).toUpperCase();
// ÒÔÁ÷µÄÐÎʽÏÂÔØÎļþ¡£
InputStream fis = new BufferedInputStream(new FileInputStream(path));
byte[] buffer = new byte[fis.available()];
fis.read(buffer);
fis.close();
// Çå¿Õresponse
response.reset();
// ÉèÖÃresponseµÄHeader
response.addHeader("Content-Disposition",&n
Ïà¹ØÎĵµ£º
import java.io.File;
import java.text.DecimalFormat;
import java.io.FileInputStream;
public class GetFileSize
{
public long getFileSizes(File f) throws Exception{//È¡µÃÎļþ´óС
long s=0;
......
jdk,j2ee,j2se,j2meµÄ¸ÅÄîÇø±ð
1.
JDKÊÇJava development toolkit,Ï൱ÓÚÊÇJavaµÄ¿âº¯Êý£¬ÊDZàÒ룬ÔËÐÐjava³ÌÐòµÄ¹¤¾ß°ü¡£
J2EEÊÇJava 2 enterprise editionÊÇJavaµÄÒ»ÖÖÆóÒµ°æÓÃÓÚÆóÒµ¼¶µÄÓ¦Ó÷þÎñ¿ª·¢
J2SEÊÇJava 2 standard editionÊÇJavaµÄ±ê×¼°æ,ÓÃÓÚ±ê×¼µÄÓ¦Óÿª·¢
J2MEÊÇJava 2 Micro EditionÊÇJavaµÄ΢ÐͰæ,³£ ......
Ò»ÖÖÊǼ̳Ð×ÔThreadÀà.Thread ÀàÊÇÒ»¸ö¾ßÌåµÄÀ࣬¼´²»ÊdzéÏóÀ࣬¸ÃÀà·â×°ÁËÏ̵߳ÄÐÐΪ¡£Òª´´½¨Ò»¸öỊ̈߳¬³ÌÐòÔ±±ØÐë´´½¨Ò»¸ö´Ó Thread Àർ³öµÄÐÂÀà¡£³ÌÐòԱͨ¹ý¸²¸Ç Thread µÄ run() º¯ÊýÀ´Íê³ÉÓÐÓõŤ×÷¡£Óû§²¢²»Ö±½Óµ÷Óô˺¯Êý£»¶øÊÇͨ¹ýµ÷Óà Thread µÄ start() º¯Êý£¬¸Ãº¯ÊýÔÙµ÷Óà run()¡£
&nb ......
Êý×éÊÇJavaÓïÑÔÄÚÖõÄÀàÐÍ£¬³ý´ËÖ®Í⣬JavaÓжàÖÖ±£´æ¶ÔÏóÒýÓõķ½Ê½¡£JavaÀà¿âÌṩÁËÒ»Ì×Ï൱ÍêÕûµÄÈÝÆ÷À࣬ʹÓÃÕâЩÀàµÄ·½·¨¿ÉÒÔ±£´æºÍ²Ù×ݶÔÏó¡£ÏÂÃæ·Ö±ð½øÐÐÌÖÂÛ£¬ÔÚÑо¿JavaÈÝÆ÷Àà֮ǰ£¬ÏÈÁ˽âÒ»ÏÂJavaÊý×éµÄ»ù±¾¹¦ÄܺÍÌØÐÔ¡£
1. Êý×éµÄ»ù±¾ÌØÐÔ
Êý×éÓëÆäËüÖÖÀàµÄÈÝÆ÷(List/Set/Map)Ö®¼äµÄÇø±ðÔÚÓÚЧÂÊ¡¢È ......
package net.java2000.tools;
/**
* Title: Java Bean ¹¤¾ß
* Description:
* Copyright: Copyright (c) 2001
* Company: JAVAÊÀ¼ÍÍø
* @author ÕÔѧÇì
* @version 1.0
*/
import java.util.*;
import ......