package?lgy;

import?org.apache.http.HttpEntity;
import?org.apache.http.HttpResponse;
import?org.apache.http.client.methods.HttpGet;
import?org.apache.http.impl.client.DefaultHttpClient;

import?java.io.*;

public?class?DownLoad?{

????private?DefaultHttpClient?httpClient?=?new?DefaultHttpClient（）;

????public?void?downLoad（String?url?String?dst）?{
????????try?{
????????????HttpGet?httpGet?=?new?HttpGet（url）;
????????????HttpResponse?httpResponse?=?httpClient.execute（httpGet）;
????????????HttpEntity?entity?=?httpResponse.getEntity（）;
????????????InputStream?in?=?entity.getContent（）;
????????????long?length=entity.getContentLength（）;
????????????if（length<=0）{
????????????????System.out.println（“下載文件不存在！“）;
????????????????return;
????????????}
????????????OutputStream?out?=?new?FileOutputStream（new?File（dst））;
????????????saveTo（in?out）;
????????}?catch?（IOException?e）?{
????????????e.printStackTrace（）;
????????}?catch?（Exception?e）?{
????????????e.printStackTrace（）;
????????}
????}

????public?void?saveTo（InputStream?in?OutputStream?out）?throws?Exception?{
????????byte[]?data?=?new?byte[1024*1024];
????????int?index?=0;
????????while?（（index=in.read（data）?）!=?-1）?{
????????????out.write（data0index）;
????????}
????????in.close（）;
????????out.close（）;
????}

????public?static?void?main（String?args[]）?{
????????DownLoad?downLoad?=?new?DownLoad（）;
????????String?url?=?“http://pan.baidu.com/s/1bPPqfc請修改鏈接“;
????????downLoad.downLoad（url?“D:/所下載的文件名（文件名要相同）“）;
????????
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????721??2016-08-17?09:12??DownloadData\.classpath

?????文件????????388??2016-08-16?18:04??DownloadData\.project

?????文件????????598??2016-08-16?18:04??DownloadData\.settings\org.eclipse.jdt.core.prefs

?????文件???????2612??2016-08-17?12:01??DownloadData\bin\lgy\DownLoad.class

?????文件?????232771??2016-08-17?09:12??DownloadData\commons-codec-1.6.jar

?????文件??????60686??2016-08-17?09:12??DownloadData\commons-logging-1.1.1.jar

?????文件??????21886??2016-08-17?09:12??DownloadData\fluent-hc-4.2.1.jar

?????文件?????427022??2016-08-17?09:12??DownloadData\httpclient-4.2.1.jar

?????文件?????115096??2016-08-17?09:12??DownloadData\httpclient-cache-4.2.1.jar

?????文件?????223374??2016-08-17?09:12??DownloadData\httpcore-4.2.1.jar

?????文件??????26598??2016-08-17?09:12??DownloadData\httpmime-4.2.1.jar

?????文件???????1613??2016-08-17?12:01??DownloadData\src\lgy\DownLoad.java

?????目錄??????????0??2016-08-17?09:12??DownloadData\bin\lgy

?????目錄??????????0??2016-08-16?18:06??DownloadData\src\lgy

?????目錄??????????0??2016-08-16?18:04??DownloadData\.settings

?????目錄??????????0??2016-08-17?09:12??DownloadData\bin

?????目錄??????????0??2016-08-16?18:06??DownloadData\src

?????目錄??????????0??2016-08-17?09:12??DownloadData

-----------?---------??----------?-----??----

??????????????1113365????????????????????18