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java中ftp文件上传和中文乱码解决
小編覺得挺不錯的,現在分享給大家,幫大家做個參考.
前些天發現了一個巨牛的人工智能學習網站，通俗易懂，風趣幽默，忍不住分享一下給大家。點擊跳轉到教程。
前幾天 有個需求就是上傳文件的時候，本地存一份，其他服務器也保存一份，于是就研究了一下，功能只實現了上傳文件不能上傳文件夾，
這里主要用到了 ftp服務器軟件 網上有很多我用的是 serv-u，操作比較簡單很容易像我這樣的小菜使用
服務器下載地址
點擊打開鏈接? ? ? ? ? ?絕對安全無病毒
實現類代碼
[java]?view plain?copy
<pre?code_snippet_id="244843"?snippet_file_name="blog_20140319_4_6086968"?name="code"?class="java">package?com.core.haction;????import?java.io.File;??import?java.io.FileInputStream;??import?java.io.IOException;??import?java.io.PrintWriter;??import?org.apache.commons.net.ftp.FTPClient;??import?org.apache.commons.net.ftp.FTPReply;??import?com.core.action.BaseAction;????public?class?ShangChuanFtp?extends?BaseAction<Model>?{????????public?ShangChuanFtp()?{??????????super(Model.class);??????????//?TODO?Auto-generated?constructor?stub??????}????????/**??????*???????*/??????private?static?final?long?serialVersionUID?=?1L;??????private?FTPClient?ftp;????????/**??????*???????*?@param?path??????*????????????上傳到ftp服務器哪個路徑下??????*?@param?addr??????*????????????地址??????*?@param?port??????*????????????端口號??????*?@param?username??????*????????????用戶名??????*?@param?password??????*????????????密碼??????*?@return??????*?@throws?Exception??????*/??????private?boolean?connect(String?path,?String?addr,?int?port,??????????????String?username,?String?password)?throws?Exception?{??????????boolean?result?=?false;??????????ftp?=?new?FTPClient();??????????int?reply;??????????ftp.connect(addr,?port);//連接ftp服務器??????????ftp.login(username,?password);//登錄ftp??????????ftp.setFileType(FTPClient.BINARY_FILE_TYPE);??????????reply?=?ftp.getReplyCode();??????????if?(!FTPReply.isPositiveCompletion(reply))?{??????????????ftp.disconnect();??????????????return?result;??????????}??????????ftp.changeWorkingDirectory(path);??????????result?=?true;??????????return?result;??????}????????/**??????*???????*?@param?file??????*????????????上傳的文件或文件夾??????*??????????????????*????????????代碼我是從網上找的，在使用過程中出現了，中文文件名稱不能上傳，后來自己改變了一下編碼??????*?@throws?Exception??????*/??????private?void?upload(File?file)?throws?Exception?{??????????if?(file.isDirectory())?{??????????????//?System.out.println(file.isDirectory()+"\n"+file.getName());??????????????ftp.makeDirectory(new?String(file.getName().getBytes("utf-8"),"8859_1"));//給文件名轉換編碼??????????????//System.out.println(file.getName());??????????????ftp.changeWorkingDirectory(new?String(file.getName().getBytes("utf-8"),"8859_1"));??????????????String[]?files?=?file.list();??????????????for?(int?i?=?0;?i?<?files.length;?i++)?{??????????????????File?file1?=?new?File(file.getPath()?+?"\\"?+?files[i]);??????????????????if?(file1.isDirectory())?{??????????????????????upload(file1);??????????????????????ftp.changeToParentDirectory();??????????????????}?else?{??????????????????????File?file2?=?new?File(file.getPath()?+?"\\"?+?files[i]);??????????????????????FileInputStream?input?=?new?FileInputStream(file2);??????????????????????ftp.storeFile(new?String(file2.getName().getBytes("utf-8"),"8859_1"),?input);??????????????????????input.close();??????????????????}??????????????}??????????}?else?{??????????????File?file2?=?new?File(file.getPath());??????????????System.out.println(file2.getName());??????????????FileInputStream?input?=?new?FileInputStream(file2);??????????????ftp.storeFile(new?String(file2.getName().getBytes("utf-8"),"8859_1"),?input);??????????????input.close();??????????}??????}????????//?public?static?void?main(String[]?args)?throws?Exception{//本地測試方法??????//?ShangChuanFtp?t?=?new?ShangChuanFtp();??????//?t.connect("",?"遠程服務器的Ip地址",?21,?"ftp的登錄名",?"ftp的登錄密碼");??????//?File?file?=?new?File("d:\\webapps");//要上傳的文件地址??????//?t.upload(file);??????//?System.out.println("上傳完成");??????//?}??????/**??????*???????*?@param?file??????*??????????以下代碼，住web頁面用的，strut2的語法大家應該都會知道????????*?@throws?IOException??????*/??????private?File?pphoto;??????private?String?pphotoFileName;??????private?String?pphotoFileContentType;??????private?static?final?String?filePath?=?"/while/photo";//上傳文件到本地服務器的路徑??????private?String?textfield;????????public?String?scftp()?throws?IOException?{??????????PrintWriter?out?=?getResponse().getWriter();????????????????????try?{????????????????????????????String?fileUrl?=?null;??????????????if?(pphoto?!=?null)?{??????????????????//自己封裝的上傳本地服務器的方法fileUrl是方法的返回值我這里是返回的文件名稱??????????????????fileUrl?=?this.saveFile(pphoto,?pphotoFileName,?filePath,false);??????????????????System.out.println("3:"?+?this.getSession().getAttribute("dir"));??????????????????//t.connect("",?"遠程服務器的Ip地址",?21,?"ftp的登錄名",?"ftp的登錄密碼");21是端口號??????????????????connect("",?"000.000.000.000",?21,?"",?"");??????????????????//this.getSession().getAttribute("dir")這個是獲取的上傳到本地服務器的路徑，用了個懶辦法，在上傳方法我存到session里面，這邊獲取的??????????????????//fileUrl是你上傳的那個文件名??????????????????File?file?=?new?File(this.getSession().getAttribute("dir")+"/"+fileUrl);??????????????????upload(file);??????????????}?else?{??????????????????out.print("0");??????????????}??????????????????????????}?catch?(Exception?e)?{??????????????//?TODO?Auto-generated?catch?block${ctx?}/json/scftp.action??????????????System.out.println(e.getMessage());??????????}????????????out.print("1");??????????return?null;??????}????????public?String?getTextfield()?{??????????return?textfield;??????}????????public?void?setTextfield(String?textfield)?{??????????this.textfield?=?textfield;??????}????????public?File?getPphoto()?{??????????return?pphoto;??????}????????public?void?setPphoto(File?pphoto)?{??????????this.pphoto?=?pphoto;??????}????????public?String?getPphotoFileName()?{??????????return?pphotoFileName;??????}????????public?void?setPphotoFileName(String?pphotoFileName)?{??????????this.pphotoFileName?=?pphotoFileName;??????}????????public?String?getPphotoFileContentType()?{??????????return?pphotoFileContentType;??????}????????public?void?setPphotoFileContentType(String?pphotoFileContentType)?{??????????this.pphotoFileContentType?=?pphotoFileContentType;??????}????}
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