Java代码实现百度网盘上传文件并自动刷新token

来源于  ：https://blog.csdn.net/m0_64980357/article/details/130560193

 这是主要的的目录结构：

 

这段代码主体是AutoUploadFile，把文件放到某一目录下名称格式为日期类型eg：2022-11-13然后修改配置文件的文件存放地址就可以自动上传文件（可以自己修改），其他配置如refreshToken可以去百度网盘开放平台（https://pan.baidu.com/union/doc/）查看如何获取；

1.AutoRefreshToken：用来自动刷新token

代码如下：

1.  
   package com.example.demo.apps;
2.  
3.  
4.  
   import com.alibaba.fastjson.JSON;
5.  
   import org.apache.http.HttpResponse;
6.  
7.  
   import org.apache.http.client.HttpClient;
8.  
   import org.apache.http.client.methods.HttpGet;
9.  
   import org.apache.http.impl.client.HttpClientBuilder;
10.  
    import org.apache.http.util.EntityUtils;
11.  
    import org.jsoup.nodes.Document;
12.  
    import org.jsoup.nodes.Element;
13.  
    import org.springframework.beans.factory.annotation.Value;
14.  
    import org.springframework.stereotype.Component;
15.  
16.  
    import java.io.IOException;
17.  
    import java.io.BufferedReader;
18.  
    import java.io.InputStream;
19.  
    import java.io.InputStreamReader;
20.  
    import java.net.HttpURLConnection;
21.  
    import java.net.URL;
22.  
    import java.net.URLEncoder;
23.  
    import java.util.Map;
24.  
    import java.util.UUID;
25.  
26.  
    import org.apache.http.impl.client.CloseableHttpClient;
27.  
    import org.apache.http.impl.client.HttpClients;
28.  
    import com.alibaba.fastjson.JSONObject;
29.  
    import org.jsoup.*;
30.  
31.  
32.  
    /**
33.  
    * @date 日期：2023/5/6 时间：11:57
34.  
    * @Description: 自动刷新token
35.  
    */
36.  
    @Component
37.  
    public class AutoRefreshToken {
38.  
    /* public static void main(String[] args) {
39.  
    try {
40.  
    String atoken = getAtoken();
41.  
    System.out.println(atoken);
42.  
    } catch (Exception e) {
43.  
    e.printStackTrace();
44.  
    }
45.  
    }*/
46.  
47.  
    @Value("${Constant.APP_KEY}")
48.  
    String APP_KEY;
49.  
    @Value("${Constant.SECRET_KEY}")
50.  
    String SECRET_KEY;
51.  
    @Value("${Constant.refresh_token}")
52.  
    String refresh_token;
53.  
54.  
    @Value("${Constant.APP_ID}")
55.  
    String APP_ID;
56.  
57.  
    /* public static void main(String[] args) throws Exception {
58.  
    String atoken = getAtoken();
59.  
    System.out.println(atoken);
60.  
    }*/
61.  
62.  
63.  
    public String getAtoken() throws Exception {
64.  
65.  
    String url1 = "https://openapi.baidu.com/oauth/2.0/token?" +
66.  
    "grant_type=refresh_token&" +
67.  
    "refresh_token=" + refresh_token +
68.  
    "&client_id=" + APP_KEY +
69.  
    "&client_secret=" + SECRET_KEY;
70.  
    /* String url1="https://openapi.baidu.com/oauth/2.0/token?" +
71.  
    "grant_type=refresh_token&" +
72.  
    "refresh_token=122.abf06f23035add703f92eecac6eb4919.YaIson6QQF9KmCuw7pQ6wPUWDY16KsK1V8bg9Rw.6Dv_WA&" +
73.  
    "client_id=fBulUWK7sTZo3s94gYSPveov9qsaq5LE&" +
74.  
    "client_secret=eapgT5k4XXmRRgfxxlcxR82e3gursVze";*/
75.  
76.  
    try {
77.  
    URL url = new URL(url1);
78.  
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
79.  
    conn.setRequestMethod("GET");
80.  
    BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
81.  
    String inputLine;
82.  
    StringBuffer response = new StringBuffer();
83.  
    while ((inputLine = in.readLine()) != null) {
84.  
    response.append(inputLine);
85.  
    }
86.  
    in.close();
87.  
    // System.out.println(response.toString());
88.  
    Map map = JSON.parseObject(response.toString(), Map.class);
89.  
    String atoken = (String) map.get("access_token");
90.  
    // Return the atoken
91.  
    return atoken;
92.  
    } catch (Exception e) {
93.  
    System.out.println(e);
94.  
    }
95.  
    return "触发安全协议";
96.  
    }
97.  
98.  
99.  
    }

 

2.AutoUploadFile:用来上传文件

代码如下： 

1.  
   package com.example.demo.apps;
2.  
3.  
4.  
   import cn.hutool.http.HttpUtil;
5.  
   import cn.hutool.json.JSONArray;
6.  
   import cn.hutool.json.JSONObject;
7.  
   import com.alibaba.fastjson.JSON;
8.  
   import com.fasterxml.jackson.databind.ObjectMapper;
9.  
   import org.apache.http.HttpEntity;
10.  
    import org.apache.http.client.methods.CloseableHttpResponse;
11.  
    import org.apache.http.client.methods.HttpPost;
12.  
    import org.apache.http.entity.ContentType;
13.  
    import org.apache.http.entity.mime.MultipartEntityBuilder;
14.  
    import org.apache.http.impl.client.CloseableHttpClient;
15.  
    import org.apache.http.impl.client.HttpClients;
16.  
    import org.apache.http.util.EntityUtils;
17.  
    import org.slf4j.Logger;
18.  
    import org.slf4j.LoggerFactory;
19.  
    import org.springframework.beans.factory.annotation.Autowired;
20.  
    import org.springframework.beans.factory.annotation.Value;
21.  
    import org.springframework.scheduling.annotation.Scheduled;
22.  
    import org.springframework.stereotype.Component;
23.  
24.  
    import java.io.*;
25.  
    import java.net.HttpURLConnection;
26.  
    import java.net.URL;
27.  
    import java.net.URLConnection;
28.  
    import java.nio.channels.FileChannel;
29.  
    import java.nio.charset.StandardCharsets;
30.  
    import java.security.MessageDigest;
31.  
    import java.text.SimpleDateFormat;
32.  
    import java.util.*;
33.  
    import java.io.File;
34.  
    import java.io.IOException;
35.  
36.  
    /**
37.  
    * @date 日期：2023/4/26 时间：09:57
38.  
    * @Description: 上传文件到百度网盘
39.  
    */
40.  
     
41.  
    @Component
42.  
    public class AutoUploadFile {
43.  
44.  
    @Autowired
45.  
    private SendEamil sendEamil;
46.  
    //操作文件 copy, mover, rename, delete
47.  
    String FILE_MANAGER_URL = " https://pan.baidu.com/rest/2.0/xpan/file";
48.  
    //预上传
49.  
    String GET_READY_FILE_URL = "https://pan.baidu.com/rest/2.0/xpan/file";
50.  
    //分片上传
51.  
    String SLICING_UPLOAD_FILE_URL = "https://d.pcs.baidu.com/rest/2.0/pcs/superfile2";
52.  
    //下载文件
53.  
    String DOWN_LOUE_URL = "https://pan.baidu.com/rest/2.0/xpan/multimedia";
54.  
    //文件搜索
55.  
    String FILE_SEARCH = "https://pan.baidu.com/rest/2.0/xpan/file?method=search";
56.  
    Logger logger = LoggerFactory.getLogger(getClass());
57.  
    //失败重试计数器
58.  
    int num = 0;
59.  
    //分片大小
60.  
    @Value("${Constant.UNIT}")
61.  
    Integer UNIT;
62.  
    //获取到的授权码
63.  
    /* @Value("${Constant.CODE}")
64.  
    String CODE;
65.  
    @Value("${Constant.filePath}")
66.  
    String filePath;*/
67.  
68.  
    @Value("${Constant.APP_ID}")
69.  
    String APP_ID;
70.  
    @Value("${Constant.APP_NAME}")
71.  
    String APP_NAME;
72.  
    @Value("${Constant.APP_KEY}")
73.  
    String APP_KEY;
74.  
    @Value("${Constant.SECRET_KEY}")
75.  
    String SECRET_KEY;
76.  
    @Autowired
77.  
    private AutoRefreshToken autoRefreshToken;
78.  
    //@Value("${Constant.ATOKEN}")
79.  
    String ATOKEN;
80.  
81.  
82.  
    @Value("${Constant.filePath}")
83.  
    String filePath;
84.  
    @Value("${Eamil.userName}")
85.  
    String userName;
86.  
    String fileName;
87.  
88.  
    /*
89.  
    * 自动刷新token
90.  
    * token每月过期一次
91.  
    * 通过定时任务每月刷新一次*/
92.  
    @Scheduled(cron = "${scheduling.getAtoken}")
93.  
    public void flushToken() {
94.  
    try {
95.  
    Properties prop = new Properties();
96.  
    String atoken1 = autoRefreshToken.getAtoken();
97.  
    prop.setProperty("ATOKEN", atoken1);
98.  
    FileWriter writer = new FileWriter("token.properties");
99.  
    prop.store(writer, "Optional header comment");
100.  
     writer.close();
101.  
     } catch (Exception e) {
102.  
     e.printStackTrace();
103.  
     }
104.  
     }
105.  
106.  
     /**
107.  
     * @Description: TODO 保存文件
108.  
     * @param: filePath 文件路径
109.  
     * @param: fileName 文件名称
110.  
     * return 文件下载地址
111.  
     */
112.  
      
113.  
     @Scheduled(cron = "${scheduling.executionTime}")
114.  
     public void save() throws Exception {
115.  
     getToken();
116.  
117.  
     Date date = new Date();
118.  
     SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
119.  
     String formattedDate = formatter.format(date);
120.  
     File folder = new File(filePath);
121.  
     File[] files = folder.listFiles();
122.  
123.  
     for (File file : files) {
124.  
     String fileName1 = file.getName();
125.  
     boolean contains = fileName1.contains(formattedDate);
126.  
     if (contains) {
127.  
     fileName = fileName1;
128.  
     }
129.  
     }
130.  
     if (fileName == null) {
131.  
     logger.info("文件不存在 !");
132.  
     return;
133.  
     }
134.  
     logger.info("正在上传文件为" + fileName);
135.  
136.  
     //本地文件地址
137.  
     String absoluteFilePath = filePath + fileName;
138.  
     logger.info("本地文件地址" + absoluteFilePath);
139.  
     //云端文件地址
140.  
     String cloudPath = "/apps/" + APP_NAME + "/";
141.  
     logger.info("文件在百度网盘的存放位置" + cloudPath);
142.  
     //文件分片并获取md5值
143.  
     File file = new File(absoluteFilePath);
144.  
     File[] separate = separate(absoluteFilePath, UNIT);
145.  
146.  
     StringBuffer md5s = new StringBuffer();
147.  
     if (separate.length == 1) {
148.  
     md5s.append(getMD5(separate[0]));
149.  
     }
150.  
     //long length1 = file.length();
151.  
     //long length=0;
152.  
     if (separate.length > 1) {
153.  
     for (int i = 0; i < separate.length; i++) {
154.  
     md5s.append(getMD5(separate[i]) + "\",\"");
155.  
156.  
     logger.info("正在分片,{}{}" + separate[i].toString() + ">>>" + i);
157.  
     //length += separate[i].length();
158.  
     }
159.  
     String s = md5s.toString();
160.  
     md5s = new StringBuffer(s.substring(0, md5s.length() - 3));
161.  
     }
162.  
163.  
     //预上传
164.  
     String precreate = precreate(cloudPath, file.length(), 0, md5s.toString());
165.  
166.  
     logger.info("预上传{}" + precreate);
167.  
     String uploadid = (String) new JSONObject(precreate).get("uploadid");
168.  
     //分片上传
169.  
     String upload = upload(cloudPath, (String) new JSONObject(precreate).get("uploadid"), separate);
170.  
     logger.info("分片上传{}" + upload);
171.  
     //创建文件
172.  
     // String create = folderMerge("/apps/" + APP_NAME, file.length(), list.toString(),uploadid);
173.  
     String create = create(fileName, file.length(), 0, md5s.toString(), uploadid);
174.  
175.  
     logger.info("创建文件{}" + create);
176.  
177.  
     //删除解压后文件
178.  
     File directory2 = new File(filePath);
179.  
     File[] files2 = directory2.listFiles();
180.  
     for (File file2 : files2) {
181.  
     if (file2.isFile() && file2.getName().contains("part")) {
182.  
     file2.delete();
183.  
     }
184.  
     }
185.  
     logger.info("解压后文件已经清除！");
186.  
187.  
     ObjectMapper objectMapper = new ObjectMapper();
188.  
     Map<String, Object> map = objectMapper.readValue(create, Map.class);
189.  
     Integer errno = (Integer) map.get("errno");
190.  
     if (errno != 0) {
191.  
     //发送失败3次后发送信息到邮箱
192.  
     if (num == 3) {
193.  
     sendEamil.sendMail(create + "时间为" + formattedDate);
194.  
     logger.info("上传出现问题，已发送邮件到>>>" + userName);
195.  
     }
196.  
     num++;
197.  
     save();
198.  
     }
199.  
200.  
     }
201.  
202.  
     private void getToken() throws IOException {
203.  
     //读取token
204.  
     Properties prop = new Properties();
205.  
     FileInputStream fileInputStream = new FileInputStream("token.properties");
206.  
     prop.load(fileInputStream);
207.  
     String atoken = prop.getProperty("ATOKEN");
208.  
     if (atoken == null || atoken.equals("")) {
209.  
     flushToken();
210.  
     getToken();
211.  
     }
212.  
     ATOKEN = atoken;
213.  
     fileInputStream.close();
214.  
     logger.info("accessToken值为>>>" + ATOKEN);
215.  
     }
216.  
217.  
218.  
     /**
219.  
     * @Description: TODO 获取下载地址
220.  
     * @param: fileName 文件名
221.  
     */
222.  
     public String getDownUrl(String fileName) {
223.  
     String fileSearch = HttpUtil.get(FILE_SEARCH + "&access_token=" + ATOKEN + "&key=" + fileName);
224.  
     JSONObject jsonObject = new JSONObject(fileSearch);
225.  
     JSONArray list = jsonObject.getJSONArray("list");
226.  
     JSONObject listJSONObject = list.getJSONObject(0);
227.  
     Long fs_id = listJSONObject.getLong("fs_id");
228.  
     String url = DOWN_LOUE_URL + "?method=filemetas&access_token=" + ATOKEN + "&fsids=[" + fs_id + "]&dlink=1";
229.  
     String s = HttpUtil.get(url);
230.  
     JSONObject sJsonObject = new JSONObject(s);
231.  
     JSONArray jsonArray = sJsonObject.getJSONArray("list");
232.  
     JSONObject jsonObjectClient = jsonArray.getJSONObject(0);
233.  
     String dlink = jsonObjectClient.getStr("dlink");
234.  
     return dlink;
235.  
     }
236.  
237.  
     /**
238.  
     * @Description: TODO 创建文件
239.  
     * @param: fileName 文件名称
240.  
     * @param: size 文件大小 字节
241.  
     * @param: isDir 0文件 1目录（设置为目录是 size要设置为0）
242.  
     * @param: blockList （文件的md5值） 可以把文件分为多个，然后分批上传
243.  
     * @return: java.lang.String
244.  
     */
245.  
     public String create(String fileName, Long size, Integer isDir, String blockList, String uploadId) {
246.  
     String strURL = FILE_MANAGER_URL + "?method=create&access_token=" + ATOKEN;
247.  
     String params = "path=" + "/apps/" + APP_NAME + "/" + fileName + "&size=" + size + "&autoinit=1&block_list=[\"" + blockList + "\"]&isdir=" + isDir + "&uploadid=" + uploadId + "&rtype=3";
248.  
     return openTest(strURL, params, "POST");
249.  
     // "https://pan.baidu.com/rest/2.0/xpan/file?method=create&access_token="
250.  
     //'&rtype=3&uploadid==&block_list=["7d57c40c9fdb4e4a32d533bee1a4e409"]'
251.  
     }
252.  
253.  
     /**
254.  
     * @Description: TODO 分片上传
255.  
     * @param: path 上传到百度网盘的地址
256.  
     * @param: uploadid 上传的id
257.  
     * @param: filePath 本地文件的地址
258.  
     * @return: java.lang.String
259.  
     */
260.  
     public String upload(String path, String uploadid, File[] files) {
261.  
262.  
     try {
263.  
264.  
     for (int i = 0; i < files.length; i++) {
265.  
266.  
     String url = SLICING_UPLOAD_FILE_URL + "?method=upload" +
267.  
     "&access_token=" + ATOKEN +
268.  
     "&type=tmpfile&partseq=" + i +
269.  
     "&path=" + path +
270.  
     "&uploadid=" + uploadid;
271.  
272.  
     String s = sendFile(url, files[i]);
273.  
274.  
     logger.info("正在上传分片文件{}{}" + s + i);
275.  
276.  
     }
277.  
     return path;
278.  
     } catch (Exception e) {
279.  
     e.printStackTrace();
280.  
     }
281.  
     return null;
282.  
     }
283.  
284.  
285.  
     /**
286.  
     * @Description: TODO 预上传
287.  
     * @param: cloudPath 云端路径
288.  
     * @param: size 文件大小 字节
289.  
     * @param: isDir 0文件 1目录（设置为目录是 size要设置为0）
290.  
     * @param: blockList （文件的md5值） 可以把文件分为多个，然后分批上传
291.  
     * @return: java.lang.String
292.  
     */
293.  
     public String precreate(String cloudPath, Long size, Integer isDir, String blockList) {
294.  
     String strURL = GET_READY_FILE_URL + "?method=precreate&access_token=" + ATOKEN;
295.  
     String params = "path=" + cloudPath + "&size=" + size + "&autoinit=1&block_list=[\"" + blockList + "\"]&isdir=" + isDir;
296.  
     return openTest(strURL, params, "POST");
297.  
298.  
     }
299.  
300.  
301.  
     /**
302.  
     * @Description: TODO 获取md5值
303.  
     * String path 文件地址
304.  
     */
305.  
     private final static String[] strHex = {"0", "1", "2", "3", "4", "5",
306.  
     "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};
307.  
308.  
     private static String getMD5(File path) {
309.  
     StringBuilder buffer = new StringBuilder();
310.  
     try {
311.  
     MessageDigest md = MessageDigest.getInstance("MD5");
312.  
     byte[] b = md.digest(org.apache.commons.io.FileUtils.readFileToByteArray(path));
313.  
     for (int value : b) {
314.  
     int d = value;
315.  
     if (d < 0) {
316.  
     d += 256;
317.  
     }
318.  
     int d1 = d / 16;
319.  
     int d2 = d % 16;
320.  
     buffer.append(strHex[d1]).append(strHex[d2]);
321.  
     }
322.  
     return buffer.toString();
323.  
     } catch (Exception e) {
324.  
     return null;
325.  
     }
326.  
     }
327.  
328.  
329.  
     /**
330.  
     * @Description: TODO
331.  
     * @param: strURL 网址，可以是 http://aaa?bbb=1&ccc=2 拼接的
332.  
     * @param: params 拼接的body参数也就是form表单的参数 ddd=1&eee=2
333.  
     * @param: method 请求方式 get/post/put/delte等
334.  
     * @return: java.lang.String
335.  
     */
336.  
     public String open(String strURL, String params, String method) {
337.  
     try {
338.  
     URL url = new URL(strURL);// 创建连接
339.  
     HttpURLConnection connection = (HttpURLConnection) url.openConnection();
340.  
     connection.setDoOutput(true);
341.  
     connection.setDoInput(true);
342.  
     connection.setUseCaches(false);
343.  
     connection.setInstanceFollowRedirects(true);
344.  
     connection.setRequestMethod(method);
345.  
     connection.setRequestProperty("Accept", "application/json");// 设置接收数据的格式
346.  
     connection.setRequestProperty("Content-Type", "application/json");// 设置发送数据的格式
347.  
     connection.connect();
348.  
349.  
     OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), StandardCharsets.UTF_8);// utf-8编码
350.  
     out.append(params);
351.  
     out.flush();
352.  
     out.close(); // 读取响应
353.  
     int length = connection.getContentLength();// 获取长度
354.  
     InputStream is = connection.getInputStream();
355.  
     if (length != -1) {
356.  
     byte[] data = new byte[length];
357.  
     byte[] temp = new byte[512];
358.  
     int readLen = 0;
359.  
     int destPos = 0;
360.  
     while ((readLen = is.read(temp)) > 0) {
361.  
     System.arraycopy(temp, 0, data, destPos, readLen);
362.  
     destPos += readLen;
363.  
     }
364.  
     return new String(data, StandardCharsets.UTF_8);
365.  
     }
366.  
     } catch (Exception e) {
367.  
     e.printStackTrace();
368.  
     }
369.  
     return null;
370.  
     }
371.  
372.  
373.  
     /**
374.  
     * 向指定 URL 发送POST方法的请求
375.  
     *
376.  
     * @param url 发送请求的 URL
377.  
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
378.  
     * @return 所代表远程资源的响应结果
379.  
     */
380.  
     public String sendFile(String url, String param, String file) {
381.  
     if (url == null || param == null) {
382.  
     return url;
383.  
     }
384.  
385.  
     PrintWriter out = null;
386.  
     BufferedReader in = null;
387.  
     String result = "";
388.  
     try {
389.  
     URL realUrl = new URL(url);
390.  
     // 打开和URL之间的连接
391.  
     URLConnection conn = realUrl.openConnection();
392.  
     // 设置通用的请求属性
393.  
     conn.setRequestProperty("accept", "*/*");
394.  
     conn.setRequestProperty("connection", "Keep-Alive");
395.  
     conn.setRequestProperty("user-agent",
396.  
     "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
397.  
398.  
     // 发送POST请求必须设置如下两行
399.  
     conn.setDoOutput(true);
400.  
     conn.setDoInput(true);
401.  
     //设置链接超时时间为2秒
402.  
     conn.setConnectTimeout(1000);
403.  
     //设置读取超时为2秒
404.  
     conn.setReadTimeout(1000);
405.  
     // 获取URLConnection对象对应的输出流
406.  
     out = new PrintWriter(conn.getOutputStream());
407.  
     out.write(file);
408.  
     // 发送请求参数
409.  
     out.print(param);
410.  
     // flush输出流的缓冲
411.  
     out.flush();
412.  
     // 定义BufferedReader输入流来读取URL的响应
413.  
     in = new BufferedReader(
414.  
     new InputStreamReader(conn.getInputStream()));
415.  
     String line;
416.  
     while ((line = in.readLine()) != null) {
417.  
     result += line;
418.  
     }
419.  
     } catch (Exception e) {
420.  
     System.out.println(e.getMessage() + "地址：" + url);
421.  
     return null;
422.  
     }
423.  
     //使用finally块来关闭输出流、输入流
424.  
     finally {
425.  
     try {
426.  
     if (out != null) {
427.  
     out.close();
428.  
     }
429.  
     if (in != null) {
430.  
     in.close();
431.  
     }
432.  
     } catch (IOException ex) {
433.  
     System.out.println(ex.getMessage());
434.  
     return null;
435.  
     }
436.  
     }
437.  
     return result;
438.  
     }
439.  
440.  
441.  
     /**
442.  
     * @param: filePath
443.  
     * @param: unit 单个文件大小
444.  
     * @return: 返回文件的目录
445.  
     */
446.  
     public File[] separate(Object obj, Integer unit) {
447.  
448.  
     try {
449.  
450.  
     InputStream bis = null;//输入流用于读取文件数据
451.  
     OutputStream bos = null;//输出流用于输出分片文件至磁盘
452.  
     File file = null;
453.  
     if (obj instanceof String) {
454.  
     file = new File((String) obj);
455.  
     }
456.  
     if (obj instanceof File) {
457.  
     file = (File) obj;
458.  
     }
459.  
     String filePath = file.getAbsolutePath();
460.  
461.  
     File newFile = new File(filePath.substring(0, filePath.lastIndexOf("\\") + 1));
462.  
463.  
     String directoryPath = newFile.getAbsolutePath();
464.  
     long splitSize = unit * 1024 * 1024;//单片文件大小,MB
465.  
     if (file.length() < splitSize) {
466.  
     // log.info("文件小于单个分片大小，无需分片{}", file.length());
467.  
     // System.out.println();
468.  
     logger.info("文件小于单个分片大小，无需分片{}" + file.length());
469.  
     return new File[]{file};
470.  
     }
471.  
472.  
     long length = file.length();
473.  
     long splitNum = (length / splitSize);
474.  
     if (length % splitSize != 0) {
475.  
     splitNum++;
476.  
     }
477.  
     //todo 分片
478.  
     FileInputStream fis = new FileInputStream(filePath);
479.  
     FileChannel inputChannel = fis.getChannel();
480.  
     FileOutputStream fos;
481.  
     FileChannel outputChannel;
482.  
     File currentDirFile = new File(filePath);
483.  
     if (!currentDirFile.exists()) {
484.  
     currentDirFile.mkdirs();
485.  
     }
486.  
     long startPoint = 0;
487.  
     for (int i = 1; i <= (int) splitNum; i++) {
488.  
     String splitFileName = filePath + i;
489.  
     fos = new FileOutputStream(filePath + "." + i + ".part");
490.  
     outputChannel = fos.getChannel();
491.  
     inputChannel.transferTo(startPoint, splitSize, outputChannel);
492.  
     startPoint += splitSize;
493.  
     outputChannel.close();
494.  
     fos.close();
495.  
     }
496.  
     inputChannel.close();
497.  
498.  
499.  
500.  
501.  
     logger.info("文件分片成功！");
502.  
     //排除被分片的文件
503.  
     if (newFile.isDirectory()) {
504.  
     File[] files = newFile.listFiles();
505.  
     int num = 0;
506.  
     for (int i = 0; i < files.length; i++) {
507.  
     if (files[i].getName().contains("part")) {
508.  
509.  
     /* File srcFile = FileUtil.file(files[i].getPath());
510.  
     //目标目录不存在程序也会帮忙创建
511.  
     File destFile = FileUtil.file("d://DB_test");
512.  
     FileUtil.move(srcFile, destFile, true);*/
513.  
514.  
     num++;
515.  
     }
516.  
517.  
     }
518.  
     File[] resultFiles = new File[num];
519.  
     int j = 0;
520.  
     for (int i = 0; i < files.length; i++) {
521.  
     //!files[i].equals(file)
522.  
     if (files[i].getName().contains("part")) {
523.  
     resultFiles[j] = files[i];
524.  
     j++;
525.  
     }
526.  
     }
527.  
528.  
529.  
     return resultFiles;
530.  
     }
531.  
532.  
     bos.flush();
533.  
     bos.close();
534.  
     bis.close();
535.  
     return new File[0];
536.  
     } catch (Exception e) {
537.  
538.  
     logger.info("文件分片失败！");
539.  
     e.printStackTrace();
540.  
     }
541.  
     return null;
542.  
     }
543.  
544.  
     //splitNum:要分几片，currentDir：分片后存放的位置，subSize：按多大分片
545.  
     public File[] nioSpilt(Object object, int splitNum, String currentDir, double subSize) {
546.  
     try {
547.  
     File file = null;
548.  
     if (object instanceof String) {
549.  
     file = new File((String) object);
550.  
     }
551.  
     if (object instanceof String) {
552.  
     file = (File) object;
553.  
     }
554.  
     FileInputStream fis = new FileInputStream(file);
555.  
     FileChannel inputChannel = fis.getChannel();
556.  
     FileOutputStream fos;
557.  
     FileChannel outputChannel;
558.  
     long splitSize = (long) subSize;
559.  
     long startPoint = 0;
560.  
     long endPoint = splitSize;
561.  
     for (int i = 1; i <= splitNum; i++) {
562.  
     fos = new FileOutputStream(currentDir + i);
563.  
     outputChannel = fos.getChannel();
564.  
     inputChannel.transferTo(startPoint, splitSize, outputChannel);
565.  
     startPoint += splitSize;
566.  
     endPoint += splitSize;
567.  
     outputChannel.close();
568.  
     fos.close();
569.  
     }
570.  
     inputChannel.close();
571.  
     fis.close();
572.  
     File newFile = new File(file.getAbsolutePath().substring(0, file.getAbsolutePath().lastIndexOf("\\") + 1));
573.  
     if (newFile.isDirectory()) {
574.  
     return newFile.listFiles();
575.  
     }
576.  
     } catch (Exception e) {
577.  
     e.printStackTrace();
578.  
     }
579.  
     return new File[0];
580.  
     }
581.  
582.  
     /**
583.  
     * @Description: TODO 发送文件
584.  
     * @param: url 发送地址
585.  
     * @param: file 发送文件
586.  
     * @return: java.lang.String
587.  
     */
588.  
     public String sendFile(String url, File file) {
589.  
     try {
590.  
     MultipartEntityBuilder builder = MultipartEntityBuilder.create();
591.  
     builder.setContentType(ContentType.MULTIPART_FORM_DATA);
592.  
     builder.addBinaryBody("file", file);
593.  
     String body = "";
594.  
     //创建httpclient对象
595.  
     CloseableHttpClient client = HttpClients.createDefault();
596.  
     //创建post方式请求对象
597.  
     HttpPost httpPost = new HttpPost(url);
598.  
     //设置请求参数
599.  
     HttpEntity httpEntity = builder.build();
600.  
     httpPost.setEntity(httpEntity);
601.  
602.  
603.  
     //执行请求操作，并拿到结果（同步阻塞）
604.  
     CloseableHttpResponse response = client.execute(httpPost);
605.  
606.  
     //获取结果实体
607.  
     HttpEntity entity = response.getEntity();
608.  
     if (entity != null) {
609.  
     //按指定编码转换结果实体为String类型
610.  
     body = EntityUtils.toString(entity, "utf-8");
611.  
     }
612.  
     EntityUtils.consume(entity);
613.  
     //释放链接
614.  
615.  
     response.close();
616.  
     return body;
617.  
     } catch (Exception e) {
618.  
     e.printStackTrace();
619.  
     }
620.  
     return null;
621.  
     }
622.  
623.  
624.  
     public String openTest(String strURL, String params, String method) {
625.  
     logger.info(strURL);
626.  
     logger.info(params);
627.  
     StringBuffer response = null;
628.  
     try {
629.  
     URL url = new URL(strURL);// 创建连接
630.  
     HttpURLConnection httpConn = (HttpURLConnection) url.openConnection();
631.  
     httpConn.setRequestMethod("POST");
632.  
     httpConn.setRequestProperty("User-Agent", "pan.baidu.com");
633.  
     httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
634.  
     httpConn.setDoOutput(true);
635.  
636.  
     OutputStreamWriter writer = new OutputStreamWriter(httpConn.getOutputStream());
637.  
     writer.write(params);
638.  
639.  
     writer.flush();
640.  
     writer.close();
641.  
     httpConn.getOutputStream().close();
642.  
643.  
     int responseCode = httpConn.getResponseCode();
644.  
     System.out.println("Response Code : " + responseCode);
645.  
     BufferedReader in = new BufferedReader(new InputStreamReader(httpConn.getInputStream()));
646.  
     String inputLine;
647.  
     response = new StringBuffer();
648.  
     while ((inputLine = in.readLine()) != null) {
649.  
     response.append(inputLine);
650.  
     }
651.  
652.  
     in.close();
653.  
     System.out.println(response.toString());
654.  
     } catch (Exception e) {
655.  
     System.out.println(e);
656.  
     }
657.  
     return response == null ? null : response.toString();
658.  
     }
659.  
660.  
     /**
661.  
     * 分片上传
662.  
     *
663.  
     * @param file 上传的文件内容
664.  
     * @param path 上传后使用的文件绝对路径，需要urlencode
665.  
     * @param uploadid precreate接口下发的uploadid
666.  
     * @param partseq 文件分片的位置序号，从0开始，参考precreate接口返回的block_list
667.  
     * @return
668.  
     */
669.  
     public String slicingUpload(String file, String path, String uploadid, int partseq) throws Exception {
670.  
671.  
     // todo
672.  
     // 请求url
673.  
     String url = "https://d.pcs.baidu.com/rest/2.0/pcs/superfile2?" + "&app_id=" + APP_ID + "&access_token=" + ATOKEN + "&method=upload&type=tmpfile" + "&path=" + path + "&uploadid=" + uploadid + "&partseq=" + partseq;
674.  
     // "https://d.pcs.baidu.com/rest/2.0/pcs/superfile2?method=upload&access_token=xxx&path=/apps/test/test.jpg&type=tmpfile&uploadid=N1-NjEuMTM1LjE2OS44NDoxNTk2MTExNTczOjQ5MTMzMjgwNjk3MDYxODg3MzQ=&partseq=0"
675.  
     Map<String, Object> map = new HashMap<>();
676.  
     map.put("file", new File(file));
677.  
     try {
678.  
679.  
     String result = HttpUtil.post(url, map);
680.  
681.  
     System.out.println(result);
682.  
     return result;
683.  
684.  
     } catch (Exception e) {
685.  
     e.printStackTrace();
686.  
     }
687.  
     return null;
688.  
     }
689.  
690.  
     /**
691.  
     * 创建文件 用于将多个分片合并成一个文件，完成文件的上传。
692.  
     * 备注：可以使用该接口创建文件夹。
693.  
     *
694.  
     * @return
695.  
     */
696.  
     public String folderMerge(String filePath, Long size, String blockList, String uploadid) {
697.  
     //百度网盘token
698.  
     String accessToken = ATOKEN;
699.  
     // 请求url
700.  
     String url = "https://pan.baidu.com/rest/2.0/xpan/file?method=create" + "&access_token=" + accessToken;
701.  
702.  
     try {
703.  
     Map<String, Object> map = new HashMap<>();
704.  
     //todo
705.  
     map.put("path", filePath);
706.  
     map.put("size", size);
707.  
     map.put("isdir", 0);
708.  
     map.put("block_list", blockList);
709.  
     map.put("uploadid", uploadid);
710.  
     String result = HttpUtil.post(url, map);
711.  
     System.out.println(result);
712.  
     return result;
713.  
     } catch (Exception e) {
714.  
     e.printStackTrace();
715.  
     }
716.  
     return null;
717.  
     }
718.  
719.  
720.  
     }
721.  

 

3.SendEamil：用来发送邮箱（当上传失败时通过邮箱提醒）

代码如下：

1.  
   package com.example.demo.apps;
2.  
3.  
   import com.sun.mail.util.MailSSLSocketFactory;
4.  
   import org.springframework.beans.factory.annotation.Value;
5.  
   import org.springframework.stereotype.Component;
6.  
7.  
   import javax.mail.*;
8.  
   import javax.mail.internet.InternetAddress;
9.  
   import javax.mail.internet.MimeMessage;
10.  
    import java.security.GeneralSecurityException;
11.  
    import java.util.Date;
12.  
    import java.util.Properties;
13.  
14.  
    /* @date 日期：2023/5/6 时间：10:00
15.  
    * @Description: 发送qq邮箱
16.  
    * */
17.  
    @Component
18.  
    public class SendEamil {
19.  
20.  
    @Value("${Eamil.userName}")
21.  
    String userName;
22.  
23.  
    @Value("${Eamil.passWord}")
24.  
    String passWord;
25.  
26.  
    public void sendMail(String msg) throws Exception {
27.  
    //创建一个配置文件并保存
28.  
    Properties properties = new Properties();
29.  
30.  
    properties.setProperty("mail.host", "smtp.qq.com");
31.  
32.  
    properties.setProperty("mail.transport.protocol", "smtp");
33.  
34.  
    properties.setProperty("mail.smtp.auth", "true");
35.  
36.  
37.  
    //QQ存在一个特性设置SSL加密
38.  
    MailSSLSocketFactory sf = new MailSSLSocketFactory();
39.  
    sf.setTrustAllHosts(true);
40.  
    properties.put("mail.smtp.ssl.enable", "true");
41.  
    properties.put("mail.smtp.ssl.socketFactory", sf);
42.  
43.  
    //创建一个session对象
44.  
    Session session = Session.getDefaultInstance(properties, new Authenticator() {
45.  
    @Override
46.  
    protected PasswordAuthentication getPasswordAuthentication() {
47.  
    return new PasswordAuthentication(userName, passWord);
48.  
    }
49.  
    });
50.  
51.  
    //开启debug模式
52.  
    session.setDebug(true);
53.  
54.  
    //获取连接对象
55.  
    Transport transport = session.getTransport();
56.  
57.  
    //连接服务器
58.  
    transport.connect("smtp.qq.com", userName, passWord);
59.  
60.  
    //创建邮件对象
61.  
    MimeMessage mimeMessage = new MimeMessage(session);
62.  
63.  
    //邮件发送人
64.  
    mimeMessage.setFrom(new InternetAddress(userName));
65.  
66.  
    //邮件接收人
67.  
    mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(userName));
68.  
69.  
    //邮件标题
70.  
    mimeMessage.setSubject("BaiDuUpLoad");
71.  
72.  
    //邮件内容
73.  
    Date date = new Date();
74.  
75.  
    mimeMessage.setContent(msg, "text/html;charset=UTF-8");
76.  
77.  
    //发送邮件
78.  
    transport.sendMessage(mimeMessage, mimeMessage.getAllRecipients());
79.  
80.  
    //关闭连接
81.  
    transport.close();
82.  
    }
83.  
84.  
    }

 

4.配置文件内容：

Constant:
  APP_ID: "32336141"
  APP_NAME: "HLS-BaiDu" #百度网盘中文件存放位置
  APP_KEY: "fBulUWK7sTZo2324gYSPveov9qsaq5LE"
  SECRET_KEY: "eapgT5k4XskRRgfxxlcxR82e3gursVze"
  refresh_token: "122.9faae9d9eaf4a0c9bfa41f4116fc7a45.Y37snJPhSu1H2J9oBJZ1qyLhLl6csbBVRiLZdhn.exqlBg"
  filePath: "e://test//" #文件压缩后的路径
  UNIT: 32

#上传失败发送地址
Eamil:
  userName: "2058461233@qq.com" #QQ邮箱
  passWord: "sfbqldhnxjakbicb" #授权码

logging:
  file:
    name: ./BaiDuUpload.log #日志文件存放位置

#定时任务
scheduling:
  executionTime: 0 0/1 * * * ?
  getAtoken: 0 0 2 1 * ? #每月1号凌晨2点执行一次

5.pom.xml配置

1.  
   <dependency>
2.  
   <groupId>org.springframework.boot</groupId>
3.  
   <artifactId>spring-boot-starter</artifactId>
4.  
   </dependency>
5.  
6.  
   <dependency>
7.  
   <groupId>org.springframework.boot</groupId>
8.  
   <artifactId>spring-boot-devtools</artifactId>
9.  
   <scope>runtime</scope>
10.  
    <optional>true</optional>
11.  
    </dependency>
12.  
    <dependency>
13.  
    <groupId>org.projectlombok</groupId>
14.  
    <artifactId>lombok</artifactId>
15.  
    <optional>true</optional>
16.  
    </dependency>
17.  
    <dependency>
18.  
    <groupId>org.springframework.boot</groupId>
19.  
    <artifactId>spring-boot-starter-test</artifactId>
20.  
    <scope>test</scope>
21.  
    </dependency>
22.  
    <dependency>
23.  
    <groupId>org.apache.httpcomponents</groupId>
24.  
    <artifactId>httpclient</artifactId>
25.  
    <version>4.5</version>
26.  
    </dependency>
27.  
    <dependency>
28.  
    <groupId>org.apache.httpcomponents</groupId>
29.  
    <artifactId>httpmime</artifactId>
30.  
    <version>4.5</version>
31.  
    </dependency>
32.  
    <dependency>
33.  
    <groupId>cn.hutool</groupId>
34.  
    <artifactId>hutool-all</artifactId>
35.  
    <version>5.8.15</version>
36.  
    </dependency>
37.  
38.  
    <dependency>
39.  
    <groupId>org.apache.poi</groupId>
40.  
    <artifactId>poi-ooxml</artifactId>
41.  
    <version>5.1.0</version>
42.  
    </dependency>
43.  
44.  
    <dependency>
45.  
    <groupId>cn.hutool</groupId>
46.  
    <artifactId>hutool-all</artifactId>
47.  
    <version>5.8.16</version>
48.  
    </dependency>
49.  
50.  
    <dependency>
51.  
    <groupId>com.alibaba</groupId>
52.  
    <artifactId>fastjson</artifactId>
53.  
    <version>2.0.29</version>
54.  
    </dependency>
55.  
56.  
    <dependency>
57.  
    <groupId>org.jsoup</groupId>
58.  
    <artifactId>jsoup</artifactId>
59.  
    <version>1.16.1</version>
60.  
    </dependency>
61.  
62.  
    <dependency>
63.  
    <groupId>com.fasterxml.jackson.core</groupId>
64.  
    <artifactId>jackson-databind</artifactId>
65.  
    <version>2.15.0</version>
66.  
    </dependency>

 

 

 

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