`
jieke_ZJ
  • 浏览: 42893 次
  • 性别: Icon_minigender_1
  • 来自: 深圳
社区版块
存档分类
最新评论

Ftp文件上传

 
阅读更多

[1].[代码] ftp上传和删除 跳至 [1] [2] [3]

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
package com.itv.launcher.util;
 
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.Properties;
import java.util.StringTokenizer;
 
import sun.net.TelnetOutputStream;
import sun.net.ftp.FtpClient;
import sun.net.ftp.FtpProtocolException;
 
/**
 * FTP上传工具类
 *
 * @author yanzhou
 * @version v1.0
 */
public class FTPUtil {
 
    private static FtpClient ftpClient = null;
    private static final String url;
    private static final int port;
    private static final String user;
    private static final String password;
    private static final String remoteFilePath;
 
    static {
        Properties FTPPro = ReadFTPProperties.getMsgFromPro();
        url = FTPPro.getProperty("FTP_URL");
        port = Integer.parseInt(FTPPro.getProperty("FTP_PORT"));
        user = FTPPro.getProperty("FTP_USER");
        password = FTPPro.getProperty("FTP_PASSWORD");
        remoteFilePath = FTPPro.getProperty("FTP_REMOTE_FILEPATH");
 
    }
 
    /**
     * 链接FTP
     * @throws FtpProtocolException
     */
    private static void connectFTP() throws FtpProtocolException {
        try {
            ftpClient = FtpClient.create();
            ftpClient.connect(new InetSocketAddress(url, port));
            ftpClient.login(user, password.toCharArray());
            ftpClient.setBinaryType();
            if (!"".equals(remoteFilePath) && remoteFilePath != null) {
                ftpClient.changeDirectory(remoteFilePath);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
 
    /**
     * 关闭FTP链接
     */
    public static void closeFTP() {
        try {
            if (ftpClient != null) {
                ftpClient.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
 
    /**
     * 上传文件到FTP
     * @param file file文件,struts2从页面得到的File类型
     * @param filePath 要保存在FTP上的路径(文件夹)
     * @param fileName 文件名(test001.jpg)
     * @return 文件是否上传成功
     * @throws Exception
     */
    public static boolean upload(File file, String filePath, String fileName) {
        TelnetOutputStream to = null;
        FileInputStream fi = null;
        filePath = remoteFilePath + Constants.FILE_SEPARATOR + filePath;
        try {
            if (file != null) {
                connectFTP();
                if (!isDirExist(filePath.replace("\\", "/"))) {
                    createDir(filePath.replace("\\", "/"));
                    ftpClient.changeDirectory(filePath.replace("\\", "/"));
                }
                fi = new FileInputStream(file);
                to = (TelnetOutputStream) ftpClient.putFileStream(fileName, true);
                byte[] bytes = new byte[1024];
                int i = fi.read(bytes);
                while (i != -1) {
                    to.write(bytes);
                    i = fi.read(bytes);
                }
            }
            return true;
        } catch (FileNotFoundException e1) {
            return false;
        } catch (IOException e2) {
            return false;
        }catch (Exception e) {
            return false;
        }finally {
            if (fi != null) {
                try {
                    fi.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (to != null) {
                try {
                    to.flush();
                    to.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            closeFTP();
        }
    }
 
    /**
     * 删除FTP制定目录下的文件
     * @param filePath 文件在FTP存储的路径
     * @param fileName 要删除的文件名称
     * @return 是否删除成功
     */
    public static boolean deleteFileFtp(String filePath, String fileName){ 
        try{
            connectFTP();
            filePath = remoteFilePath + Constants.FILE_SEPARATOR + filePath + Constants.FILE_SEPARATOR;
            if (!isDirExist(filePath.replace("\\", "/"))) {
                return false;
            }
            ftpClient.changeDirectory(filePath.replace("\\", "/"));
            ftpClient.deleteFile(fileName);
            return true;
        }catch (Exception e) {
            e.printStackTrace();
            return false;
        }finally {
            closeFTP();
        }
    }
    /**
     * 检查文件夹是否存在
     *
     * @param dir
     * @param ftpClient
     * @return
     */
    private static Boolean isDirExist(String dir) {
        try {
            ftpClient.changeDirectory(dir);
        } catch (Exception e) {
            return false;
        }
        return true;
    }
 
    /**
     * 创建文件夹
     *
     * @param dir
     * @param ftpClient
     * @throws Exception
     */
    private static void createDir(String dir) throws Exception {
        ftpClient.setAsciiType();
        StringTokenizer s = new StringTokenizer(dir, "/"); // sign
        s.countTokens();
        String pathName = "";
        while (s.hasMoreElements()) {
            pathName = pathName + "/" + (String) s.nextElement();
            try {
                ftpClient.makeDirectory(pathName);
            } catch (Exception e) {
                e = null;
            }
        }
        ftpClient.setBinaryType();
 
    }
 
}
 

[2].[代码] 常量类,系统的路径分隔符 跳至 [1] [2] [3]

1
2
3
4
5
6
7
package com.itv.launcher.util;
 
public interface Constants {
     
    //路径分隔符
    public static String FILE_SEPARATOR = System.getProperty("file.separator");
}
 

[3].[代码] FTP链接的配置properties文件,包括用户名密码一些信息 跳至 [1] [2] [3]

1
2
3
4
5
6
7
8
9
10
#FTP的IP地址
FTP_URL=127.0.0.1
#FTP端口号
FTP_PORT=1234
#用户名
FTP_USER=yanzhou
#密码
FTP_PASSWORD=abcdefg12345
#FTP账号目录
FTP_REMOTE_FILEPATH=
分享到:
评论

相关推荐

Global site tag (gtag.js) - Google Analytics