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13693261870

2022-11-19 da9ee87f6b27150ea7be1c3849010ef3d8e753f3

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 src/main/java/com/lf/server/controller/data/UploaderController.java

ÎļþÒÑɾ³ý

 src/main/java/com/lf/server/service/all/BaseUploadService.java

¶Ô±ÈÐÂÎļþ
@@ -0,0 +1,160 @@
package com.lf.server.service.all;

import com.lf.server.entity.data.MetaFileEntity;
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.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.support.StandardMultipartHttpServletRequest;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.lang.reflect.Field;
import java.sql.Timestamp;
import java.util.*;

/**
 * çˆ¶ä¸Šä¼ æœåŠ¡
 * @author WWW
 */
public class BaseUploadService {
    @Autowired
    PathHelper pathHelper;

    private final Log log = LogFactory.getLog(getClass());

    /**
     * ä¸Šä¼ æ–‡ä»¶
     */
    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");

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

        return list;
    }

    /**
     * è®¾ç½®å®žä½“ç±»
     */
    private <T> void setEntity(T t, StandardMultipartHttpServletRequest req) {
        Enumeration<String> enumeration = req.getParameterNames();
        while (enumeration.hasMoreElements()) {
            String key = enumeration.nextElement();

            try {
                Field field = t.getClass().getDeclaredField(key);
                field.setAccessible(true);
                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;
                    case "int":
                        field.set(t, Integer.valueOf(value));
                        break;
                    case "class java.sql.Timestamp":
                        field.set(t, Timestamp.valueOf(value));
                        break;
                    //case "class java.lang.String":
                    default:
                        field.set(t, value);
                        break;
                }
            } catch (Exception ex) {
                log.error(ex.getMessage(), ex);
            }
        }
    }

    /**
     * èŽ·å–文件
     */
    private List<MetaFileEntity> getFiles(String subPath, StandardMultipartHttpServletRequest req) throws Exception {
        List<MetaFileEntity> list = new ArrayList<MetaFileEntity>();

        String path = pathHelper.getTempPath(subPath);
        Iterator<String> iterator = req.getFileNames();
        while (iterator.hasNext()) {
            MultipartFile file = req.getFile(iterator.next());
            if (StringHelper.isEmpty(file.getOriginalFilename())) {
                continue;
            }

            double sizes = FileHelper.sizeToMb(file.getSize());
            MetaFileEntity mf = new MetaFileEntity();
            mf.setName(file.getOriginalFilename());
            mf.setSizes(sizes);
            mf.setPath(path + File.separator + mf.getName());

            file.transferTo(new File(mf.getPath()));
            mf.setGuid(FileHelper.getFileMd5(mf.getPath()));

            list.add(mf);
        }

        return list;
    }

    /**
     * è‡ªç†å®žä½“集合
     */
    public void dealEntities(List<MetaFileEntity> list) {
        for (MetaFileEntity entity : list) {
            entity.setPath(FileHelper.getRelativePath(entity.getPath()));
        }
    }

    /**
     * åˆ é™¤æ–‡ä»¶
     */
    public Integer deleteFiles(List<MetaFileEntity> list) {
        String root = pathHelper.getConfig().getTempPath();

        int count = 0;
        for (MetaFileEntity entity : list) {
            if (!StringHelper.isEmpty(entity.getPath())) {
                String file = root + File.separator + entity.getPath();

                File f = new File(file);
                if (f.exists()) {
                    f.delete();
                    count++;
                }
            }
        }

        return count;
    }

    /**
     * èŽ·å–参数
     * Enumeration<String> headers = req.getHeaderNames();
     * Enumeration<String> attributes = req.getAttributeNames();
     */
    public Map<String, String> getParams(StandardMultipartHttpServletRequest req) {
        Map<String, String> map = new HashMap<String, String>(3);

        Enumeration<String> enumeration = req.getParameterNames();
        while (enumeration.hasMoreElements()) {
            String key = enumeration.nextElement();
            String value = req.getParameter(key);
            map.put(key, value);
        }

        return map;
    }
}

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

@@ -1,201 +1,13 @@
package com.lf.server.service.data;

import com.lf.server.entity.ctrl.KeyValueEntity;
import com.lf.server.entity.data.MetaFileEntity;
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.springframework.beans.factory.annotation.Autowired;
import com.lf.server.service.all.BaseUploadService;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.support.StandardMultipartHttpServletRequest;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.lang.reflect.Field;
import java.sql.Timestamp;
import java.util.*;

/**
 * ä¸Šä¼ æœåŠ¡ç±»
 * @author WWW
 */
@Service
public class UploaderService {
    @Autowired
    PathHelper pathHelper;

    private final static Log log = LogFactory.getLog(UploaderService.class);

    /**
     * ä¸Šä¼ æ–‡ä»¶
     */
    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");

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

        return list;
    }

    /**
     * è®¾ç½®å®žä½“ç±»
     */
    private <T> void setEntity(T t, StandardMultipartHttpServletRequest req) {
        Enumeration<String> enumeration = req.getParameterNames();
        while (enumeration.hasMoreElements()) {
            String key = enumeration.nextElement();

            try {
                Field field = t.getClass().getDeclaredField(key);
                field.setAccessible(true);
                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;
                    case "int":
                        field.set(t, Integer.valueOf(value));
                        break;
                    case "class java.sql.Timestamp":
                        field.set(t, Timestamp.valueOf(value));
                        break;
                    //case "class java.lang.String":
                    default:
                        field.set(t, value);
                        break;
                }
            } catch (Exception ex) {
                log.error(ex.getMessage(), ex);
            }
        }
    }

    /**
     * èŽ·å–文件
     */
    private List<MetaFileEntity> getFiles(String subPath, StandardMultipartHttpServletRequest req) throws Exception {
        List<MetaFileEntity> list = new ArrayList<MetaFileEntity>();

        String path = pathHelper.getTempPath(subPath);
        Iterator<String> iterator = req.getFileNames();
        while (iterator.hasNext()) {
            MultipartFile file = req.getFile(iterator.next());
            if (StringHelper.isEmpty(file.getOriginalFilename())) {
                continue;
            }

            double sizes = FileHelper.sizeToMb(file.getSize());
            MetaFileEntity mf = new MetaFileEntity();
            mf.setName(file.getOriginalFilename());
            mf.setSizes(sizes);
            mf.setPath(path + File.separator + mf.getName());

            file.transferTo(new File(mf.getPath()));
            mf.setGuid(FileHelper.getFileMd5(mf.getPath()));

            list.add(mf);
        }

        return list;
    }

    /**
     * è‡ªç†å®žä½“集合
     */
    public void dealEntities(List<MetaFileEntity> list) {
        for (MetaFileEntity entity : list) {
            entity.setPath(FileHelper.getRelativePath(entity.getPath()));
        }
    }

    /**
     * åˆ é™¤æ–‡ä»¶
     */
    public Integer deleteFiles(List<MetaFileEntity> list) {
        String root = pathHelper.getConfig().getTempPath();

        int count = 0;
        for (MetaFileEntity entity : list) {
            if (!StringHelper.isEmpty(entity.getPath())) {
                String file = root + File.separator + entity.getPath();

                File f = new File(file);
                if (f.exists()) {
                    f.delete();
                    count++;
                }
            }
        }

        return count;
    }

    /**
     * æ’入元数据
     */
    public List<KeyValueEntity> insertMetas(List<KeyValueEntity> kvs) {
        String root = pathHelper.getConfig().getTempPath();
        List<KeyValueEntity> rs = new ArrayList<KeyValueEntity>();

        for (KeyValueEntity kv : kvs) {
            if (kv.getKey().toLowerCase().contains(".xls")) {
                KeyValueEntity entity = readExcel(root + File.separator + kv.getKey(), kv.getValue());
                if (null != entity) {
                    rs.add(entity);
                }
                continue;
            }
        }

        return rs;
    }

    /**
     * è¯»å–Excel
     */
    private KeyValueEntity readExcel(String fileName, String entityName) {
        File f = new File(fileName);
        if (!f.exists() || f.isDirectory()) {
            return null;
        }

        KeyValueEntity kv = new KeyValueEntity();
        kv.setKey(FileHelper.getFileName(fileName));


        return kv;
    }

public class UploaderService extends BaseUploadService {
    //

    /**
     * èŽ·å–参数
     * Enumeration<String> headers = req.getHeaderNames();
     * Enumeration<String> attributes = req.getAttributeNames();
     */
    private Map<String, String> getParams(StandardMultipartHttpServletRequest req) {
        Map<String, String> map = new HashMap<String, String>(3);

        Enumeration<String> enumeration = req.getParameterNames();
        while (enumeration.hasMoreElements()) {
            String key = enumeration.nextElement();
            String value = req.getParameter(key);
            map.put(key, value);
        }

        return map;
    }
}