自己动手用Springboot实现仿百度网盘的实践

项目编号：bs-pt-032

本项目基于springboot开发实现，前端采用bootstrap开发实现，系统功能完整，交互性好，模仿百度网盘实现相关功能，比较适合做毕业设计使用，创意性强。

开发工具为idea或eclipse，数据库采用mysql数据库。

系统部分功能展示如下：

http://localhost:8080/tologin admin / 123456

登陆页面：

主页

对应本地磁盘存储目录：

分享网盘资料

根据提取码下载相关资料

下载

重命名文件或文件夹

文件上传

新建文件夹

上传音乐文件后可以一键自动播放

以上是本系统的部分展示功能，可以做为毕业设计使用。

部分代码实现如下：

package com.bjpowernode.pan.service.impl;
 
import com.bjpowernode.pan.dao.model.linksecret;
import com.bjpowernode.pan.model.filemsg;
import com.bjpowernode.pan.service.ifileservice;
import com.bjpowernode.pan.util.*;
import org.apache.commons.io.fileutils;
import org.slf4j.logger;
import org.slf4j.loggerfactory;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.beans.factory.annotation.value;
import org.springframework.stereotype.service;
import org.springframework.web.multipart.multipartfile;
 
import java.io.*;
import java.nio.channels.filechannel;
import java.text.simpledateformat;
import java.util.*;
 
/**
 *指南针毕设
 */
@service
public class fileserviceimpl implements ifileservice {
    public static string filerootpath;
 
    public static string temppath; //分块文件临时存储地址
 
    // 自定义密钥
    static private string key;
 
    @autowired
    saveserviceimpl saveservice;
 
    @autowired
    linksecretserviceimpl linksecretservice;
 
    private logger logger = loggerfactory.getlogger(this.getclass());
 
    @value("${temppath}")
    public void settemppath(string temppath) {
        fileserviceimpl.temppath = temppath;
    }
 
 
    @value("${filerootpath}")
    public void setfilerootpath(string filerootpath) {
        fileserviceimpl.filerootpath = filerootpath;
    }
 
    @value("${key}")
    public void setkey(string key) {
        fileserviceimpl.key = key;
    }
 
    @override
    public boolean upload(multipartfile file, string username, string path) {
        boolean b = false;
        // 服务器上传的文件所在路径
        string savefilepath = filerootpath + username + "/" + path;
        logger.warn("1 savefilepath:" + savefilepath);
        // 判断文件夹是否存在-建立文件夹
        file filepathdir = new file(savefilepath);
        if (!filepathdir.exists()) {
            filepathdir.mkdir();
        }
        // 获取上传文件的原名 例464e7a80_710229096@qq.com.zip
        string savefilename = file.getoriginalfilename();
        // 上传文件到-磁盘
        try {
            fileutils.copyinputstreamtofile(file.getinputstream(), new file(savefilepath, savefilename));
            b = true;
        } catch (exception e) {
            logger.error("exception:", e);
            return false;
        }
        return b;
    }
 
    @override
    public string download(string filename, string username, string path) {
        // 服务器下载的文件所在的本地路径的文件夹
        string savefilepath = filerootpath + username + "/" + path;
        logger.warn("1 savefilepath:" + savefilepath);
        // 判断文件夹是否存在-建立文件夹
        file filepathdir = new file(savefilepath);
        if (!filepathdir.exists()) {
            filepathdir.mkdir();
        }
        // 本地路径
        savefilepath = savefilepath + "/" + filename;
        string link = savefilepath.replace(filerootpath, "/data/");
        link = stringutil.stringslashtoone(link);
        logger.warn("返回的路径：" + link);
        return link;
    }
 
    @override
    public list<filemsg> userfilelist(string username, string path) {
        logger.warn("执行userfilelist函数！");
        list<filemsg> filemsglist = new arraylist<>();
        // 拉取文件列表-本地磁盘
        string websavefilepath = filerootpath + username + "/" + path;
        file files = new file(websavefilepath);
        if (!files.exists()) {
            return filemsglist;
        }
        file[] templist = files.listfiles();
        if (templist == null) {
            return filemsglist;
        }
        for (file file : templist) {
            if (file.isfile()) {
                filemsg filemsg = new filemsg();
                // 获取文件名和下载地址
                string link = file.tostring().replace("\\", "/");
                string[] namearr = link.split("/");
                string name = namearr[namearr.length - 1];
                link = link.replace(filerootpath, "/data/");
                link = link.replace("/root/pan/", "/data/");
                string size = fileutil.filesizetostring(file.length());
                simpledateformat formatter = new simpledateformat("yyyy-mm-dd hh:mm:ss");
                string lastmodtime = formatter.format(file.lastmodified());
                // 赋值到json
                filemsg.setname(name);
                filemsg.setlink(link);
                filemsg.setsize(size);
                filemsg.settime(lastmodtime);
                if (fileutil.ismp4(name)) {
                    filemsg.settype("mp4");
                } else if (fileutil.isvideo(name)) {
                    filemsg.settype("video");
                } else {
                    filemsg.settype("file");
                }
                filemsglist.add(filemsg);
            } else {
                filemsg filemsg = new filemsg();
                string link = file.tostring().replace("\\", "/");
                string[] namearr = link.split("/");
                string name = namearr[namearr.length - 1];
                string dirpath = link.replace(filerootpath + username, "");
                if (!name.equals("usericon")) {
                    filemsg.setname(name);
                    filemsg.setsize("directory");
                    filemsg.settype("dir");
                    filemsg.setlink(dirpath);
                    simpledateformat formatter = new simpledateformat("yyyy-mm-dd hh:mm:ss");
                    string lastmodtime = formatter.format(file.lastmodified());
                    filemsg.settime(lastmodtime);
                    filemsglist.add(filemsg);
                }
            }
        }
        //排序
        listutil.listsort(filemsglist);
        return filemsglist;
    }
 
    /**
     * 展示path目录下的全部文件信息
     *
     * @param path 文件完全路径
     * @param username 用户名
     * @return filemsg list
     */
    @override
    public list<filemsg> list(string path, string username) {
        list<filemsg> filemsglist = new arraylist<>();
        file files = new file(path);
        if (!files.exists()) {
            return filemsglist;
        }
        file[] templist = files.listfiles();
        if (templist == null) {
            return filemsglist;
        }
        // 遍历每个文件转json对象
        for (file file : templist) {
            filemsglist.add(fileutil.filetofilemsg(file, username, filerootpath, "/data/"));
        }
        // 排序规则：文件夹在前，文件在后，更新时间最近的在前
        listutil.listsort(filemsglist);
        return filemsglist;
    }
 
    @override
    public boolean[] userfiledelete(string filename, string username, string path) {
        //解析filename: 以$$符号分割
        string[] filenames = null;
        if (filename.contains("$$")) {
            filenames = filename.split("\\$\\$");
        } else {
            filenames = new string[1];
            filenames[0] = filename;
        }
        boolean[] b = new boolean[filenames.length];
        for (int i = 0; i < filenames.length; i++) {
            // 删除-本地文件
            string savefilepath = filerootpath + username + "/" + path;
            file file = new file(savefilepath);
            file[] listfiles = file.listfiles();
            boolean b1 = false;
            //判断是否是文件夹
            if (filename.equals("@dir@")) {
                //是文件夹
                b1 = fileutil.delete(savefilepath);
            } else {
                b1 = fileutil.delete(savefilepath + "/" + filenames[i]);
            }
 
            //                if (!b1){
            //                    filesave filesave=saveservice.findfilesavebyusernameandfilename(username,
            //                    filenames[i]);
            //                    saveservice.delete(filesave);
            //                    b1=true;
            //                }
            b[i] = b1;
 
        }
        return b;
    }
 
    @override
    public boolean userfilerename(string oldname, string newname, string username, string path) {
        // 重命名-本地磁盘文件
        string oldnamewithpath;
        string newnamewithpath;
        if ("@dir@".equals(oldname)) {
            oldnamewithpath = stringutil.stringslashtoone(filerootpath + username + "/" + path);
            newnamewithpath =
                    oldnamewithpath.substring(0, (int) stringutil.getfilesuffix(oldnamewithpath, true, "/")) + "/" + newname;
            newnamewithpath = stringutil.stringslashtoone(newnamewithpath);
        } else {
            oldnamewithpath = stringutil.stringslashtoone(filerootpath + username + "/" + path + "/" + oldname);
            newnamewithpath = stringutil.stringslashtoone(filerootpath + username + "/" + path + "/" + newname);
        }
        return fileutil.renamefile(oldnamewithpath, newnamewithpath);
    }
 
    @override
    public boolean userdircreate(string dirname, string path) {
        file file = new file(path + "/" + dirname);
        return file.mkdir();
    }
 
    @override
    public string filesharecodeencode(string filepathandname) {
        encryptutil des;
        try {
            des = new encryptutil(key, "utf-8");
            return des.encode(filepathandname);
        } catch (exception e) {
            logger.error("exception:", e);
        }
        return "null";
    }
 
    @override
    public string filesharecodedecode(string code) {
        encryptutil des;
        try {
            des = new encryptutil(key, "utf-8");
            logger.warn("00 code:" + code);
            string filepathandname = des.decode(code);
            logger.warn("00 filepathandname:" + filepathandname);
            string[] arr = filepathandname.split("/");
            linksecret linksecret = linksecretservice.findlinksecretbysecretlink(code);
            string[] locallink = linksecret.getlocallink().split("/");
            string username = locallink[3];
            //            string username = arr[0];
            string filename = arr[arr.length - 1];
            arr[arr.length - 1] = "";
            //            string path = stringutils.join(arr, "/");
            string path = username + "/";
            if (locallink.length > 5) {
                for (int k = 4; k < locallink.length - 1; k++) {
                    path = path + locallink[k] + "/";
                }
            }
            logger.warn("0 username:" + username);
            logger.warn("1 filepathandname:" + filepathandname);
            logger.warn("2 filename:" + filename);
            logger.warn("3 path:" + path);
            // 服务器下载的文件所在的本地路径的文件夹
            string savefilepath = filerootpath + "share" + "/" + path;
            //            string savefilepath = filerootpath + "/" + path;
            logger.warn("1 savefilepath:" + savefilepath);
            // 判断文件夹是否存在-建立文件夹
            file filepathdir = new file(savefilepath);
            if (!filepathdir.exists()) {
                // mkdirs递归创建父目录
                boolean b = filepathdir.mkdirs();
                logger.warn("递归创建父目录:" + b);
            }
            savefilepath = filerootpath + "/" + path + "/" + filename;
            string link = savefilepath.replace(filerootpath, "/data/");
            link = stringutil.stringslashtoone(link);
            logger.warn("4 link:" + link);
            // 返回下载路径
            return link;
        } catch (exception e) {
            logger.error("exception:", e);
            return "null";
        }
    }
 
    @override
    public boolean userfiledirmove(string filename, string oldpath, string newpath, string username) {
        // 移动-本地磁盘文件
        string savefilepath = filerootpath + username + "/";
        string lfilename = ("@dir@".equals(filename) ? "" : "/" + filename);
        string oldnamewithpath = stringutil.stringslashtoone(savefilepath + oldpath + lfilename);
        string tmpnewfilename = "@dir@".equals(filename) ?
                (string) stringutil.getfilesuffix(oldnamewithpath, false, "/", false) : "";
        string newnamewithpath = stringutil.stringslashtoone(savefilepath + newpath + lfilename + tmpnewfilename);
        return fileutil.renamefile(oldnamewithpath, newnamewithpath);
    }
 
    @override
    public list<filemsg> search(string key, string username, string path) {
        list<filemsg> filemsglist = new arraylist<>();
        // 拉取文件列表-本地磁盘
        string websavefilepath = filerootpath + username + "/" + path;
        file files = new file(websavefilepath);
        if (!files.exists()) {
            files.mkdir();
        }
        //            file[] templist = files.listfiles();
        list<file> templist = new arraylist<>();
        templist = searchfilebykey.searchfile(websavefilepath, key, false, templist);
        for (int i = 0; i < templist.size(); i++) {
            if (templist.get(i).isfile()) {
                //                logger.warn("用户：" + username + " 文件：" + templist[i]);
                filemsg filemsg = new filemsg();
                // 获取文件名和下载地址
                string link = templist.get(i).tostring().replace("\\", "/");
                string[] namearr = link.split("/");
                string name = namearr[namearr.length - 1];
                link = link.replace(filerootpath, "/data/");
                link = link.replace("/root/pan/", "/data/");
                string size = fileutil.filesizetostring(templist.get(i).length());
                simpledateformat formatter = new simpledateformat("yyyy-mm-dd hh:mm:ss");
                string lastmodtime = formatter.format(templist.get(i).lastmodified());
                // 赋值到json
                filemsg.setname(name);
                filemsg.setlink(link);
                filemsg.setsize(size);
                filemsg.settime(lastmodtime);
                filemsglist.add(filemsg);
            } else {
                filemsg filemsg = new filemsg();
                string link = templist.get(i).tostring().replace("\\", "/");
                string[] namearr = link.split("/");
                string name = namearr[namearr.length - 1];
                if (!name.equals("usericon")) {
                    filemsg.setlink(link);
                    filemsg.setname(name);
                    filemsg.setsize("directory");
                    simpledateformat formatter = new simpledateformat("yyyy-mm-dd hh:mm:ss");
                    string lastmodtime = formatter.format(templist.get(i).lastmodified());
                    filemsg.settime(lastmodtime);
                    filemsglist.add(filemsg);
                }
            }
        }
        return filemsglist;
    }
 
    @override
    public boolean merge(string filename, string username, string path) throws interruptedexception {
        boolean b = false;
        string savepath = filerootpath + username + "/" + path;
        file savedir = new file(savepath);
        if (!savedir.exists()) {
            savedir.mkdirs();
        }
        string tempdirpath = fileutil.gettempdir(temppath, username, filename);
        file tempdir = new file(tempdirpath);
        // 获得分片文件列表
        file[] filearray = tempdir.listfiles(new filefilter() {
            // 只需要文件
            @override
            public boolean accept(file pathname) {
                if (pathname.isdirectory()) {
                    return false;
                } else {
                    return true;
                }
            }
        });
        //        logger.warn("【要合成的文件有】："+filearray);
        //       while (filearray==null){
        //       }
        // 转成集合进行排序后合并文件
        list<file> filelist = new arraylist<file>(arrays.aslist(filearray));
        collections.sort(filelist, new comparator<file>() {
            // 按文件名升序排列
            @override
            public int compare(file o1, file o2) {
                if (integer.parseint(o1.getname()) < integer.parseint(o2.getname())) {
                    return -1;
                } else {
                    return 1;
                }
            }
        });
        // 目标文件
        file outfile = new file(savepath + file.separator + filename);
        try {
            outfile.createnewfile();
        } catch (ioexception e) {
            b = false;
            logger.warn("创建目标文件出错：" + e.getmessage());
            logger.error("exception:", e);
        }
 
        // 执行合并操作
        filechannel outchannel = null;
        filechannel inchannel;
        try {
            outchannel = new fileoutputstream(outfile).getchannel();
            for (file file1 : filelist) {
                inchannel = new fileinputstream(file1).getchannel();
                inchannel.transferto(0, inchannel.size(), outchannel);
                inchannel.close();
                file1.delete();
            }
            outchannel.close();
        } catch (filenotfoundexception e) {
            b = false;
            logger.warn("合并分片文件出错：" + e.getmessage());
            logger.error("exception:", e);
        } catch (ioexception e) {
            b = false;
            logger.warn("合并分片文件出错：" + e.getmessage());
            logger.error("exception:", e);
        }
 
        // 删除临时文件夹 根目录/temp/username/filename
        file tempfiledir = new file(temppath + file.separator + username + file.separator + filename);
        fileutil.deletedir(tempfiledir);
        return b;
    }
 
    //locallink是原始文件路径，path:存取路径
    @override
    public boolean copyfiletomypan(string username, string locallink, string path) {
        boolean b = false;
        //share文件所在的地方
        logger.warn("0 locallink:" + locallink);
        locallink = locallink.replace("/data/", filerootpath);
        logger.warn("0.1 locallink2:" + locallink);
        file oldfile = new file(locallink);
        string[] msg = locallink.split("/");
        string savefilename = oldfile.getname();
        string savefilepath = filerootpath + username + "/" + path;
        logger.warn("0.2 savefilepath:" + savefilepath);
        file newfiledir = new file(savefilepath);
        if (!newfiledir.exists()) {
            newfiledir.mkdir();
        }
        try {
            if (oldfile.exists()) {
                fileutils.copyinputstreamtofile(new fileinputstream(oldfile), new file(savefilepath, savefilename));
                b = true;
            } else {
                //todo
                logger.warn("存在同名文件");
                b = false;
            }
        } catch (ioexception e) {
 
            logger.error("exception:", e);
            return false;
        }
        logger.warn("copyfiletomypan() result:{}", b);
        return b;
    }
}

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