阿里云oss和下载中心
parent
795e3e5461
commit
66460c199c
@ -1,4 +1,100 @@
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package com.zhiyun.zhiyun03.download.controller;
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import com.zhiyun.zhiyun03.course.vo.PageVO;
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import com.zhiyun.zhiyun03.download.service.DownloadService;
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import com.zhiyun.zhiyun03.download.vo.DownloadVo;
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import com.zhiyun.zhiyun03.utils.common.JsonResult;
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import com.zhiyun.zhiyun03.utils.oss.AliyunOssUtil;
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import io.swagger.annotations.ApiOperation;
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import io.swagger.annotations.ApiParam;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.web.multipart.MultipartFile;
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import javax.annotation.Resource;
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import java.io.File;
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import java.io.FileOutputStream;
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@RestController
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@RequestMapping("/download")
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public class DownloadController {
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@Resource
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private AliyunOssUtil ossUtil;
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@Resource
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private DownloadService downloadService;
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@ApiOperation("查询下载中心")
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@GetMapping("/queryDownload")
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public JsonResult<PageVO<DownloadVo>> queryDownload(@ApiParam @RequestParam(value = "page",required = false,defaultValue = "1")Integer page,
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@ApiParam @RequestParam(value = "limit",required = false,defaultValue = "5")Integer limit ){
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PageVO<DownloadVo> lists = downloadService.queryDownload(page,limit);
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return JsonResult.success(lists);
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}
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@ApiOperation("添加下载")
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@PostMapping("/addDownload")
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public JsonResult addDownload(DownloadVo vo){
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int count = downloadService.addDownload(vo);
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return JsonResult.success();
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}
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@ApiOperation("图片上传")
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@PostMapping("/uploadFile")
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public JsonResult upload(@RequestParam("file") @RequestPart MultipartFile file){
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String upload = null;
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try {
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if (file != null) {
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String fileName = file.getOriginalFilename();
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if (!"".equals(fileName.trim())) {
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File newFile = new File(fileName);
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FileOutputStream os = new FileOutputStream(newFile);
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os.write(file.getBytes());
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os.close();
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//把file里的内容复制到newFile中
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file.transferTo(newFile);
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upload = ossUtil.upload(newFile);
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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String path = "https://zhiyun03.oss-cn-beijing.aliyuncs.com/"+ upload;
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return JsonResult.success(path);
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}
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@ApiOperation("删除下载")
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@PostMapping("/delDownload")
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public JsonResult delDownload(Integer id){
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int count = downloadService.delDownload(id);
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return JsonResult.success();
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}
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@ApiOperation("根据Id查询")
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@PostMapping("/queryById")
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public JsonResult<DownloadVo> queryById(Integer id){
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DownloadVo downloadAddVo =downloadService.queryById(id);
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return JsonResult.success(downloadAddVo);
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}
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@ApiOperation("更新下载")
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@PostMapping("/updateDownload")
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public JsonResult<DownloadVo> updateDownload(DownloadVo vo){
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int count =downloadService.updateDownload(vo);
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return JsonResult.success();
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}
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}
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@ -1,7 +1,23 @@
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package com.zhiyun.zhiyun03.download.service;
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import com.baomidou.mybatisplus.extension.service.IService;
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import com.zhiyun.zhiyun03.course.vo.PageVO;
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import com.zhiyun.zhiyun03.download.entity.Download;
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import com.zhiyun.zhiyun03.download.vo.DownloadVo;
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public interface DownloadService extends IService<Download> {
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/*
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* 查询下载中心
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* */
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PageVO<DownloadVo> queryDownload(Integer page, Integer limit);
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/*
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* 添加下载
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* */
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int addDownload(DownloadVo vo);
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int delDownload(Integer id);
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DownloadVo queryById(Integer id);
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int updateDownload(DownloadVo vo);
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}
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@ -1,11 +1,149 @@
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package com.zhiyun.zhiyun03.download.service.impl;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.github.pagehelper.PageHelper;
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import com.github.pagehelper.PageInfo;
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import com.zhiyun.zhiyun03.application.entity.Directory;
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import com.zhiyun.zhiyun03.application.mapper.DirectoryMapper;
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import com.zhiyun.zhiyun03.course.vo.PageVO;
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import com.zhiyun.zhiyun03.download.entity.Download;
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import com.zhiyun.zhiyun03.download.mapper.DownloadMapper;
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import com.zhiyun.zhiyun03.download.service.DownloadService;
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import com.zhiyun.zhiyun03.download.vo.DownloadVo;
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import com.zhiyun.zhiyun03.utils.exception.ServiceException;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.Date;
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import java.util.List;
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@Service
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public class DownloadServiceImpl extends ServiceImpl<DownloadMapper, Download> implements DownloadService {
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@Resource
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private DownloadMapper downloadMapper;
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@Resource
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private DirectoryMapper directoryMapper;
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/*
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* 查询下载中心
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* */
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@Override
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public PageVO<DownloadVo> queryDownload(Integer page, Integer limit) {
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//开启分页
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PageHelper.startPage(page,limit);
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//查询所有下载数据
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List<DownloadVo> downloadVoList = downloadMapper.queryDownload();
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PageInfo<DownloadVo> downloadVoPageInfo = new PageInfo<>(downloadVoList);
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PageVO<DownloadVo> downloadVoPageVO = new PageVO<>();
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//获取当前页
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downloadVoPageVO.setCurrentPage(downloadVoPageInfo.getPageNum());
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//总条数
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downloadVoPageVO.setTotal(downloadVoPageInfo.getTotal());
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//分页数据
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downloadVoPageVO.setList(downloadVoPageInfo.getList());
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return downloadVoPageVO;
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}
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/*
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* 添加下载
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* */
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@Override
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public int addDownload(DownloadVo vo) {
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//查询下载名称是否已经存在
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int count = downloadMapper.selectByName(vo.getDownloadName());
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if (count>0)
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{
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throw new ServiceException("403","下载已存在");
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}
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//将vo值传给download
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Download download = new Download();
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BeanUtils.copyProperties(vo,download);
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//查询归属目录id
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Integer dirId = directoryMapper.selectByName(vo.getDirName());
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download.setDirId(dirId);
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download.setDownloadUpdatetime(new Date());
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//添加download
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int insert = downloadMapper.insert(download);
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if (insert>0)
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{
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return insert;
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}else
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{
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throw new ServiceException("400","添加下载失败");
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}
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}
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/*
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* 根据id删除数据
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* */
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@Override
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public int delDownload(Integer id) {
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if (id == null)
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{
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throw new ServiceException("400","查询id值为空");
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}
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//根据id删除
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int count = downloadMapper.deleteById(id);
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if (count>0)
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{
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return count;
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}else
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{
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throw new ServiceException("400","删除失败");
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}
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}
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/*
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* 根据id查询数据
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* */
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@Override
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public DownloadVo queryById(Integer id) {
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//根据id查询数据
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Download download = downloadMapper.selectById(id);
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//查询目录id
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Directory directory = directoryMapper.selectById(download.getDirId());
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DownloadVo downloadAddVo = new DownloadVo();
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//复制给vo
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BeanUtils.copyProperties(download,downloadAddVo);
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downloadAddVo.setDirName(directory.getDirName());
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return downloadAddVo;
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}
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/*
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* 更新下载
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* */
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@Override
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public int updateDownload(DownloadVo vo) {
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//查询更新的下载名是否存在
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int sum = downloadMapper.selectByName(vo.getDownloadName());
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if (sum>0)
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{
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throw new ServiceException("403","下载已存在");
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}
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//将vo值传给download
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Download download = new Download();
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BeanUtils.copyProperties(vo,download);
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//查询归属目录id
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Integer dirId = directoryMapper.selectByName(vo.getDirName());
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download.setDirId(dirId);
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download.setDownloadUpdatetime(new Date());
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//添加download
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int insert = downloadMapper.updateDownloadById(download);
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if (insert>0)
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{
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return insert;
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}else
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{
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throw new ServiceException("400","更新失败");
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}
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}
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}
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@ -0,0 +1,34 @@
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package com.zhiyun.zhiyun03.download.vo;
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import com.baomidou.mybatisplus.annotation.TableId;
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import lombok.Data;
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@Data
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public class DownloadVo {
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@TableId
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private int id;
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/**
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* 下载名称
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*/
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private String downloadName;
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/**
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* 下载简介
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*/
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private String downloadBrief;
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/**
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* 下载链接
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*/
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private String downloadUrl;
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/**
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* 归属目录
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*/
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private String dirName;
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/**
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* 下载图片
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*/
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private String downloadImg;
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}
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@ -0,0 +1,76 @@
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package com.zhiyun.zhiyun03.utils.oss;
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import com.aliyun.oss.OSSClient;
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import com.aliyun.oss.model.CannedAccessControlList;
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import com.aliyun.oss.model.CreateBucketRequest;
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import com.aliyun.oss.model.PutObjectRequest;
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import com.aliyun.oss.model.PutObjectResult;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import java.io.File;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.UUID;
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/**
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* 封装文件上传方法
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*/
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@Component
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public class AliyunOssUtil {
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@Autowired
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private OssConfiguration config;
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public String upload(File file) {
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if (file == null) {
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return null;
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}
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String endPoint = config.getEndPoint();
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String keyId = config.getAccessKeyId();
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String keySecret = config.getAccessKeySecret();
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String bucketName = config.getBucketName();
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String fileHost = config.getFileHost();
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//定义子文件的格式
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SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
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String dateStr = format.format(new Date());
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//阿里云文件上传客户端
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OSSClient client = new OSSClient(endPoint, keyId, keySecret);
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try {
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//判断桶是否存在
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if (!client.doesBucketExist(bucketName)) {
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//创建桶
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client.createBucket(bucketName);
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CreateBucketRequest createBucketRequest = new CreateBucketRequest(bucketName);
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//设置访问权限为公共读
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createBucketRequest.setCannedACL(CannedAccessControlList.PublicRead);
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//发起创建桶的请求
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client.createBucket(createBucketRequest);
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}
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//当桶存在时,进行文件上传
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//设置文件路径和名称
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String fileUrl = fileHost + "/" + (dateStr + "/" + UUID.randomUUID().toString().replace("-", "") + "-" + file.getName());
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PutObjectResult result = client.putObject(new PutObjectRequest(bucketName, fileUrl, file));
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client.setBucketAcl(bucketName, CannedAccessControlList.PublicRead);
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//文件上传成功后,返回当前文件的路径
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if (result != null) {
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return fileUrl;
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}
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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if (client != null) {
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client.shutdown();
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}
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}
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return null;
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}
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}
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@ -0,0 +1,32 @@
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package com.zhiyun.zhiyun03.utils.oss;
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import lombok.Data;
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import lombok.Getter;
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import lombok.Setter;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.stereotype.Component;
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/**
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* 把配置文件中的配置信息读取到该类中.
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*/
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@Data
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@Configuration
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public class OssConfiguration {
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@Value("${endpoint}")
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private String endPoint;
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@Value("${accessKeyId}")
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private String accessKeyId;
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@Value("${accessKeySecret}")
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private String accessKeySecret;
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@Value("${filehost}")
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private String fileHost;
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@Value("${bucketName}")
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private String bucketName;
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}
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@ -0,0 +1,45 @@
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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
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<mapper namespace="com.zhiyun.zhiyun03.download.mapper.DownloadMapper">
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<update id="updateDownloadById">
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update download
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<set >
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<if test="downloadName != null" >
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download_name=#{downloadName},
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</if>
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<if test="downloadUrl != null" >
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download_url=#{downloadUrl},
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</if>
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<if test="downloadBrief != null" >
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download_brief=#{downloadBrief},
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</if>
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<if test="dirId != null" >
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dir_id=#{dirId},
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</if>
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<if test="downloadImg != null" >
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download_img=#{downloadImg}
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</if>
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</set>
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<where>
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<if test="id!=null">
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id = #{id}
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</if>
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</where>
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</update>
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<select id="queryDownload" resultType="com.zhiyun.zhiyun03.download.vo.DownloadVo">
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select do.id,do.download_name,do.download_brief,do.download_url,d.dir_name
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from download as do
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inner join
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(select id,dir_name from directory) as d
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on do.dir_id = d.id
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</select>
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<select id="selectByName" resultType="java.lang.Integer">
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select count(1) from download where download_name =#{downloadName}
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</select>
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</mapper>
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