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Doug Lea關(guān)于util.concurrent并發(fā)工具包的講座(3)

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1.?re: createNativeQuery原生－命名查詢[未登錄](méi)
query.getResultList(）這個(gè)返回的值用什么實(shí)體類接受呢？
--111
2.?re: JPA本地查詢(Native Query)(二)[未登錄](méi)
fdfdf
--abc
3.?re: JPA EntityManager詳解(一)
版主，如果利用entityManager進(jìn)行查詢，如何在sql里邊傳參，防注入的那種
--謝謝
4.?re: dwr簡(jiǎn)介--一個(gè)例子(一)
天通苑
--67
5.?re: 圖片自動(dòng)生成器
wq ery 2we wei 3ik w3
-- kplie

關(guān)于ftp客戶端程序的選擇(使用sun.net.ftp包)

?

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package ?com.stt.doss.datacollect.main.ftp;
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??3

import ?java.io.File;
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import ?java.io.FileInputStream;
??5

import ?java.io.FileOutputStream;
??6

import ?java.io.IOException;
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??8

import ?org.apache.log4j.Logger;
??9

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import ?sun.net.TelnetInputStream;
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import ?sun.net.TelnetOutputStream;
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import ?sun.net.ftp.FtpClient;
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/**
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?*?從服務(wù)器上取文件和上傳文件(使用sun.net.ftp包),不方便
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?*? @author ?zhangjp
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?*? @version ?1.0
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? */
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public ? class ?FtpDownload? {
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???? private ?Logger?log? = ?Logger.getLogger(FtpDownload. class );
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???? // ?本地文件名
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????String?localFileName;?
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???? // ?遠(yuǎn)程文件名
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????String?remoteFileName;
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???? // ?ftp客戶端
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????FtpClient?ftpClient;?
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????
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???? /**
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?????*?@server：服務(wù)器名字
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?????*?@user：用戶名?
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?????*?@password：密碼
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?????*?@path：服務(wù)器上的路徑
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?????*? */
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???? public ? void ?connectServer(String?server,?String?user,?String?password,?String?path)? {?
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???????? try ? {?
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???????????????ftpClient? = ? new ?FtpClient();?
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???????????????ftpClient.openServer(server);?
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???????????????ftpClient.login(user,?password);?
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???????????????log.info( " login?success?!!! " );?
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??????????????? if ?(path.length()? != ? 0 ) {
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????????????????????ftpClient.cd(path);?
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???????????????} ?
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????????????????ftpClient.binary();?
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???????????} ? catch ?(IOException?e)? {?
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????????????????log.info( " not?login?!!! " );?
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????????????????log.error(e.getMessage());?
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???????????} ?
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????} ?
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????
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???? /**
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?????*?關(guān)閉連接
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?????*? */
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???? public ? void ?closeConnect()? {?
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???????? try ? {?
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???????????????ftpClient.closeServer();?
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???????????????log.info( " disconnect?success?!!! " );?
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??????????????} ? catch ?(IOException?e)? {?
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???????????????????log.info( " not?disconnect?!!! " );?
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???????????????????log.error(e.getMessage());?
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?????????????} ?
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?????} ?
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????
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???? /**
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?????*?上傳文件
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?????*? */
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???? public ? void ?upload()? {?
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?????????? this .localFileName? = ? " D:ftp.txt " ;?
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?????????? this .remoteFileName? = ? " lrm.txt " ;?
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?????????? try ? {?
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?????????????????TelnetOutputStream?os? = ?ftpClient.put( this .remoteFileName);?
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?????????????????java.io.File?file_in? = ? new ?java.io.File( this .localFileName);?
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??????????????????FileInputStream?is? = ? new ?FileInputStream(file_in);?
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?????????????????? byte []?bytes? = ? new ? byte [ 1024 ];?
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?????????????????? int ?c;?
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?????????????????? while ?((c? = ?is.read(bytes))? != ? - 1 )? {?
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?????????????????????os.write(bytes,? 0 ,?c);?
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??????????????????} ?
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?????????????????log.info( " upload?success?!!! " );?
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??????????????????is.close();?
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??????????????????os.close();?
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????????????????} ? catch ?(IOException?e)? {?
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??????????????????????log.info( " not?upload?!!! " );?
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??????????????????????log.info(e.getMessage());?
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?????????????} ?
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?????} ?
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????
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???? /**
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?????*?取文件
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?????*? */
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???? public ? void ?download()? {?
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?????????? this .localFileName? = ? " D:ftp.txt " ;?
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?????????? this .remoteFileName? = ? " CDR.20050621.1100 " ;?
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?????????? try ? {?
?94

// ????????????????? // 得到遠(yuǎn)程路徑下的所有文件列表信息
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// ?????????????????TelnetInputStream?is?=?ftpClient.list();?
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?????????????????TelnetInputStream?is? = ?ftpClient.get( this .remoteFileName);?
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?????????????????File?file_in? = ? new ?File( this .localFileName);?
?98

?????????????????FileOutputStream?os? = ? new ?FileOutputStream(file_in);?
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????????????????? byte []?bytes? = ? new ? byte [ 1024 ];?
100

????????????????? int ?c;?
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????????????????? while ?((c? = ?is.read(bytes))? != ? - 1 )? {?
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????????????????????os.write(bytes,? 0 ,?c);?
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?????????????????} ?
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?????????????????log.info( " download?success?!!! " );?
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?????????????????os.close();?
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?????????????????is.close();?
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???????????????} ? catch ?(IOException?e)? {?
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?????????????????????log.info( " not?download?!!! " );?
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?????????????????????log.error(e.getMessage());??
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??????????????} ?
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?????} ?
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???? public ? static ? void ?main(String[]?args)? {?
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????????FtpDownload?fd? = ? new ?FtpDownload();?
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????????fd.connectServer( " 192.168.0.19 " ,? " iss " ,? " iss " ,? " /home/iss/connectCDR " );?
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????????fd.upload();?
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????????fd.download();?
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????????fd.closeConnect();?
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????} ?
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121

}
122

posted on 2007-01-29 14:36 張金鵬閱讀(1075) 評(píng)論(0) 編輯收藏所屬分類: 網(wǎng)絡(luò)協(xié)議編程

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