111
wang-hao-jie
2022-08-25 d90da0759bd93c7f429f6a20bc835782ad927c02
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package com.boying.controller;
 
import com.boying.common.BaseController;
import com.boying.common.SystemConfigProperties;
import com.boying.entity.StudyData;
import com.boying.entity.StudyDir;
import com.boying.service.StudyDataService;
import com.boying.service.StudyDirService;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.FilenameUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
 
import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.util.List;
 
@RestController
@RequestMapping("studyData")
public class StudyDataController extends BaseController {
 
    @Autowired
    private StudyDataService studyDataService;
    @Autowired
    private SystemConfigProperties systemConfigProperties;
    @Autowired
    private StudyDirService studyDirService;
 
    @PostMapping("findByDirId")
    public Object findPage(String name,int page,int pageSize,Long dirId) {
        Pageable pageable = PageRequest.of(page-1,pageSize, Sort.Direction.DESC,"id");
        Page<StudyData> pages = studyDataService.findPageHaveLike(pageable,1,"name",name,"dirId",dirId);
        return success("",pages);
    }
 
    @PostMapping("findById")
    public Object findById(Long id) {
        return success("",studyDataService.findById(id));
    }
 
    @PostMapping("save")
    public Object save(StudyData studyData, HttpServletRequest request) throws Exception{
        String path = "";
 
        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
        List<MultipartFile> imgs = multipartRequest.getFiles("files");
        for(MultipartFile imageFile:imgs){
            if (imageFile != null) {
                String fileExtension = FilenameUtils.getExtension(imageFile.getOriginalFilename());//获取后缀
                if(fileExtension.equals("mp4")){
                    studyData.setFileType(1);
                }
                String newFileName = System.currentTimeMillis() + "." + fileExtension;//文件名称
                path+=newFileName;
                String newFilePath = systemConfigProperties.getUploadImgPath() + newFileName;//上传路径
                File destFile = new File(newFilePath);
                FileUtils.writeByteArrayToFile(destFile, imageFile.getBytes());
                break;
            }
        }
        studyData.setStudyPath(path);
        studyDataService.save(studyData);
 
        StudyDir studyDir = (StudyDir) studyDirService.findById(studyData.getDirId());
        studyDir.setNum(studyDir.getNum()+1);
        studyDirService.save(studyDir);
        return success("保存成功");
    }
 
    @PostMapping("delete")
    public Object delete(Long id) {
        StudyData studyData = (StudyData) studyDataService.findById(id);
 
        StudyDir studyDir = (StudyDir) studyDirService.findById(studyData.getDirId());
        studyDir.setNum(studyDir.getNum()-1);
        studyDirService.save(studyDir);
 
        studyDataService.delete(id);
        return success("删除成功");
    }
 
    @PostMapping("findByPage")
    public Object findByPage(int page,int pageSize) {
        Pageable pageable = PageRequest.of(page-1,pageSize, Sort.Direction.DESC,"id");
        Page<StudyData> pages = studyDataService.findPage(pageable);
        return success("",pages);
    }
 
}