1

13693261870

2022-11-17 15375a1d0d07c61c132906ff8da45f67bcd711f6

 src/main/java/com/lf/server/service/data/UploaderService.java

@@ -1,17 +1,11 @@
package com.lf.server.service.data;

import com.lf.server.entity.ctrl.FileInfo;
import com.lf.server.entity.data.MetaFileEntity;
import com.lf.server.entity.sys.UserEntity;
import com.lf.server.helper.FileHelper;
import com.lf.server.helper.PathHelper;
import com.lf.server.helper.StringHelper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.tomcat.util.http.fileupload.FileItem;
import org.apache.tomcat.util.http.fileupload.disk.DiskFileItemFactory;
import org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload;
import org.apache.tomcat.util.http.fileupload.servlet.ServletRequestContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
@@ -38,13 +32,15 @@
    /**
     * 上传文件
     */
    public <T> List<MetaFileEntity> uploadData(T t, UserEntity ue, HttpServletRequest request, HttpServletResponse res) throws Exception {
        StandardMultipartHttpServletRequest req = (StandardMultipartHttpServletRequest) request;
    public <T> List<MetaFileEntity> uploadData(T t, String path, HttpServletRequest req, HttpServletResponse res) throws Exception {
        StandardMultipartHttpServletRequest request = (StandardMultipartHttpServletRequest) req;
        req.setCharacterEncoding("utf-8");
        res.setContentType("application/json;charset=utf-8");

        setEntity(t, req);
        List<MetaFileEntity> list = getFiles(req);
        if (t != null) {
            setEntity(t, request);
        }
        List<MetaFileEntity> list = getFiles(path,request);

        return list;
    }
@@ -66,6 +62,9 @@
                    String value = req.getParameter(key);

                    switch (field.getType().toString()) {
                        case "double":
                            field.set(t, Double.valueOf(value));
                            break;
                        case "long":
                            field.set(t, Long.valueOf(value));
                            break;
@@ -82,7 +81,7 @@
                    }
                }
            } catch (Exception ex) {
                log.error(ex.getStackTrace());
                log.error(ex.getMessage(), ex);
            }
        }
    }
@@ -90,10 +89,10 @@
    /**
     * 获取文件
     */
    private List<MetaFileEntity> getFiles(StandardMultipartHttpServletRequest req) throws Exception {
    private List<MetaFileEntity> getFiles(String subPath,StandardMultipartHttpServletRequest req) throws Exception {
        List<MetaFileEntity> list = new ArrayList<MetaFileEntity>();

        String path = pathHelper.getTempPath();
        String path = pathHelper.getTempPath(subPath);
        Iterator<String> iterator = req.getFileNames();
        while (iterator.hasNext()) {
            MultipartFile file = req.getFile(iterator.next());
@@ -116,86 +115,37 @@
        return list;
    }

    public Object fileUpload(HttpServletRequest req, HttpServletResponse res) throws Exception {
        List<FileItem> items = getFileItem(req, res);

        return copeFileItems(items, req);
    /**
     * 自理实体集合
     */
    public void dealEntities(List<MetaFileEntity> list) {
        for (MetaFileEntity entity : list) {
            entity.setPath(FileHelper.getRelativePath(entity.getPath()));
        }
    }

    /**
     * 获取文件项
     * 删除文件
     * @param list 实体集合
     * @return
     */
    private List<FileItem> getFileItem(HttpServletRequest req, HttpServletResponse res) throws Exception {
        // 处理中文乱码问题
        req.setCharacterEncoding("utf-8");
        // text/html;charset=utf-8
        res.setContentType("application/json;charset=utf-8");
    public Integer deleteFiles(List<MetaFileEntity> list){
        String root=pathHelper.getConfig().getTempPath();

        // 检查请求是/否为multipart/form-data类型
        if (!ServletFileUpload.isMultipartContent(req)) {
            throw new RuntimeException("表单的enctype属性不是multipart/form-data类型");
        }
        int count = 0;
        for (MetaFileEntity entity : list) {
            if (!StringHelper.isEmpty(entity.getPath())){
                String file=root+File.separator+entity.getPath();

        // 创建上传所需要的两个对象：磁盘文件对象+文件上传对象
        DiskFileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload sfu = new ServletFileUpload(factory);
        ServletRequestContext ctx = new ServletRequestContext(req);

        // 设置编码方式
        sfu.setHeaderEncoding("utf-8");
        factory.setSizeThreshold(4096);

        // 获取表单中的所有数据信息
        List<FileItem> list = sfu.parseRequest(ctx);

        return list;
    }

    /**
     * 处理解析内容：处理普通表单域和文件表单域
     */
    private Object copeFileItems(List<FileItem> items, HttpServletRequest req) throws Exception {
        Map<String, String> map = new HashMap<String, String>(3);
        List<FileInfo> list = new ArrayList<FileInfo>();

        String path = pathHelper.getTempPath();
        for (FileItem item : items) {
            if (item.isFormField()) {
                String key = item.getFieldName();
                String value = item.getString("utf-8");
                map.put(key, value);
                continue;
            }

            FileInfo fi = copeFile(item, path, req);
            if (fi != null) {
                list.add(fi);
                File f=new File(file);
                if (f.exists()){
                    f.delete();
                    count++;
                }
            }
        }

        return map;
    }

    /**
     * 处理文件
     */
    private FileInfo copeFile(FileItem item, String path, HttpServletRequest req) {
        try {
            // 获取文件名，判断是否合法
            FileInfo fi = new FileInfo(item.getName());
            if (StringHelper.isEmpty(fi.getFileName())) {
                return null;
            }

            fi.setSize(item.getSize());
            fi.setPath(path + File.separator + fi.getFileName());
            item.write(new File(fi.getPath()));

            return fi;
        } catch (Exception ex) {
            log.error(ex.getStackTrace());
            return null;
        }
        return count;
    }

    /**