springclud中附件上传

package org.springblade.desk.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.AllArgsConstructor;
import org.springblade.common.cache.CacheNames;
import org.springblade.core.boot.ctrl.BladeController;
import org.springblade.core.mp.support.Condition;
import org.springblade.core.mp.support.Query;
import org.springblade.core.tool.api.R;
import org.springblade.core.tool.utils.Func;
import org.springblade.desk.entity.OaAttachment;
import org.springblade.desk.service.IOaAttachmentService;
import org.springblade.desk.vo.OaAttachmentVO;
import org.springblade.desk.wrapper.OaAttachmentWrapper;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import springfox.documentation.annotations.ApiIgnore;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;

/**
 * 控制器
 *
 * @author Sxx
 */
//@ApiIgnore
@RestController
@RequestMapping("/oa/attachment")
@AllArgsConstructor
@Api(value = "文件", tags = "文件")
public class OaAttachmentController extends BladeController implements CacheNames {

    private IOaAttachmentService oaAttachmentService;

    /**
     * 上传文件
     * @param files    文件
     */
    @PostMapping("upload")
    @ApiOperationSupport(order = 1)
    @ApiOperation(value = "上传文件", notes = "传入文件")
    public R> upload(@RequestParam List files) {
        List list = new ArrayList();
        //String dirPath = getRequest().getServletContext().getRealPath("/") +"uploadFile/";
        String dirPath = "E:/oaAttachment/uploadFile/" ;
        File dir = new File(dirPath);
        if (!dir.exists()) {
            dir.mkdir();
        }
        files.forEach(file -> {
            try {
                String fileName = file.getOriginalFilename();
                String fileType = fileName.substring(fileName.indexOf("."));
                String filePath = UUID.randomUUID().toString() +fileType;
                File newFile = new File(dirPath,  filePath);
                FileCopyUtils.copy(file.getInputStream(),Files.newOutputStream(newFile.toPath()));
                OaAttachment attachment = new OaAttachment();
                attachment.setName(fileName);
                attachment.setType(fileType);
                attachment.setUrl("uploadFile/"+filePath);
                attachment.setAttachmentSize(file.getSize());
                oaAttachmentService.save(attachment);
                list.add(attachment);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (Exception e) {
                e.printStackTrace();
            }
        });
        return R.data(list);
    }

    /**
     * 详情
     */
    @GetMapping("/detail")
    @ApiOperationSupport(order = 1)
    @ApiOperation(value = "详情", notes = "传入entity")
    public R detail(OaAttachment entity) {
        OaAttachment detail = oaAttachmentService.getOne(Condition.getQueryWrapper(entity));
        return R.data(OaAttachmentWrapper.build().entityVO(detail));
    }

    /**
     * 列表分页
     */
    @GetMapping("/list")
    @ApiOperationSupport(order = 2)
    @ApiOperation(value = "列表分页", notes = "传入entity")
    public R> list(@ApiIgnore @RequestParam Map entity, Query query) {
        IPage pages = oaAttachmentService.page(Condition.getPage(query), Condition.getQueryWrapper(entity, OaAttachment.class));
        return R.data(OaAttachmentWrapper.build().pageVO(pages));
    }

    /**
     * 新增
     */
    @PostMapping("/save")
    @ApiOperationSupport(order = 4)
    @ApiOperation(value = "新增", notes = "传入entity")
    public R save(@RequestBody OaAttachment entity) {
        return R.status(oaAttachmentService.save(entity));
    }

    /**
     * 修改
     */
    @PostMapping("/update")
    @ApiOperationSupport(order = 5)
    @ApiOperation(value = "修改", notes = "传入entity")
    public R update(@RequestBody OaAttachment entity) {
        return R.status(oaAttachmentService.updateById(entity));
    }

    /**
     * 新增或修改
     */
    @PostMapping("/submit")
    @ApiOperationSupport(order = 6)
    @ApiOperation(value = "新增或修改", notes = "传入entity")
    public R submit(@RequestBody OaAttachment entity) {
        return R.status(oaAttachmentService.saveOrUpdate(entity));
    }

    /**
     * 删除
     */
    @PostMapping("/remove")
    @ApiOperationSupport(order = 7)
    @ApiOperation(value = "逻辑删除", notes = "传入entity")
    public R remove(@ApiParam(value = "主键集合") @RequestParam String ids) {
        boolean temp = oaAttachmentService.deleteLogic(Func.toLongList(ids));
        return R.status(temp);
    }

}

//=======实现类

/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.springblade.desk.entity;

import com.baomidou.mybatisplus.annotation.TableName;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import lombok.Data;
import lombok.EqualsAndHashCode;
import org.springblade.core.mp.base.BaseEntity;

/**
 * OA附件实体类
 *
 * @author Sxx
 */
@Data
@TableName("oa_attachment")
@EqualsAndHashCode(callSuper = true)
public class OaAttachment extends BaseEntity {

   private static final long serialVersionUID = 1L;

   /**
    * businessId
    */
   @JsonSerialize(
      using = ToStringSerializer.class
   )
   private Long businessId;

   /**
    * processInstanceId
    */
   private String processInstanceId;

   /**
    * 名称
    */
   private String name;
   /**
    * 地址
    */
   private String url;
   /**
    * 类型
    */
   private String type;
   /**
    * 大小
    */
   private long attachmentSize;

}
//==== util

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package org.springframework.util;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.file.Files;
import org.springframework.lang.Nullable;

public abstract class FileCopyUtils {
    public static final int BUFFER_SIZE = 4096;

    public FileCopyUtils() {
    }

    public static int copy(File in, File out) throws IOException {
        Assert.notNull(in, "No input File specified");
        Assert.notNull(out, "No output File specified");
        return copy(Files.newInputStream(in.toPath()), Files.newOutputStream(out.toPath()));
    }

    public static void copy(byte[] in, File out) throws IOException {
        Assert.notNull(in, "No input byte array specified");
        Assert.notNull(out, "No output File specified");
        copy((InputStream)(new ByteArrayInputStream(in)), (OutputStream)Files.newOutputStream(out.toPath()));
    }

    public static byte[] copyToByteArray(File in) throws IOException {
        Assert.notNull(in, "No input File specified");
        return copyToByteArray(Files.newInputStream(in.toPath()));
    }

    public static int copy(InputStream in, OutputStream out) throws IOException {
        Assert.notNull(in, "No InputStream specified");
        Assert.notNull(out, "No OutputStream specified");

        int var2;
        try {
            var2 = StreamUtils.copy(in, out);
        } finally {
            try {
                in.close();
            } catch (IOException var12) {
            }

            try {
                out.close();
            } catch (IOException var11) {
            }

        }

        return var2;
    }

    public static void copy(byte[] in, OutputStream out) throws IOException {
        Assert.notNull(in, "No input byte array specified");
        Assert.notNull(out, "No OutputStream specified");

        try {
            out.write(in);
        } finally {
            try {
                out.close();
            } catch (IOException var8) {
            }

        }

    }

    public static byte[] copyToByteArray(@Nullable InputStream in) throws IOException {
        if (in == null) {
            return new byte[0];
        } else {
            ByteArrayOutputStream out = new ByteArrayOutputStream(4096);
            copy((InputStream)in, (OutputStream)out);
            return out.toByteArray();
        }
    }

    public static int copy(Reader in, Writer out) throws IOException {
        Assert.notNull(in, "No Reader specified");
        Assert.notNull(out, "No Writer specified");

        try {
            int byteCount = 0;
            char[] buffer = new char[4096];

            int bytesRead;
            for(boolean var4 = true; (bytesRead = in.read(buffer)) != -1; byteCount += bytesRead) {
                out.write(buffer, 0, bytesRead);
            }

            out.flush();
            int var5 = byteCount;
            return var5;
        } finally {
            try {
                in.close();
            } catch (IOException var15) {
            }

            try {
                out.close();
            } catch (IOException var14) {
            }

        }
    }

    public static void copy(String in, Writer out) throws IOException {
        Assert.notNull(in, "No input String specified");
        Assert.notNull(out, "No Writer specified");

        try {
            out.write(in);
        } finally {
            try {
                out.close();
            } catch (IOException var8) {
            }

        }

    }

    public static String copyToString(@Nullable Reader in) throws IOException {
        if (in == null) {
            return "";
        } else {
            StringWriter out = new StringWriter();
            copy((Reader)in, (Writer)out);
            return out.toString();
        }
    }
}
//    util======

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package org.springframework.util;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FilterInputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.Charset;
import org.springframework.lang.Nullable;

public abstract class StreamUtils {
    public static final int BUFFER_SIZE = 4096;
    private static final byte[] EMPTY_CONTENT = new byte[0];

    public StreamUtils() {
    }

    public static byte[] copyToByteArray(@Nullable InputStream in) throws IOException {
        if (in == null) {
            return new byte[0];
        } else {
            ByteArrayOutputStream out = new ByteArrayOutputStream(4096);
            copy((InputStream)in, out);
            return out.toByteArray();
        }
    }

    public static String copyToString(@Nullable InputStream in, Charset charset) throws IOException {
        if (in == null) {
            return "";
        } else {
            StringBuilder out = new StringBuilder();
            InputStreamReader reader = new InputStreamReader(in, charset);
            char[] buffer = new char[4096];
            boolean var5 = true;

            int bytesRead;
            while((bytesRead = reader.read(buffer)) != -1) {
                out.append(buffer, 0, bytesRead);
            }

            return out.toString();
        }
    }

    public static void copy(byte[] in, OutputStream out) throws IOException {
        Assert.notNull(in, "No input byte array specified");
        Assert.notNull(out, "No OutputStream specified");
        out.write(in);
    }

    public static void copy(String in, Charset charset, OutputStream out) throws IOException {
        Assert.notNull(in, "No input String specified");
        Assert.notNull(charset, "No charset specified");
        Assert.notNull(out, "No OutputStream specified");
        Writer writer = new OutputStreamWriter(out, charset);
        writer.write(in);
        writer.flush();
    }

    public static int copy(InputStream in, OutputStream out) throws IOException {
        Assert.notNull(in, "No InputStream specified");
        Assert.notNull(out, "No OutputStream specified");
        int byteCount = 0;
        byte[] buffer = new byte[4096];

        int bytesRead;
        for(boolean var4 = true; (bytesRead = in.read(buffer)) != -1; byteCount += bytesRead) {
            out.write(buffer, 0, bytesRead);
        }

        out.flush();
        return byteCount;
    }

    public static long copyRange(InputStream in, OutputStream out, long start, long end) throws IOException {
        Assert.notNull(in, "No InputStream specified");
        Assert.notNull(out, "No OutputStream specified");
        long skipped = in.skip(start);
        if (skipped             throw new IOException("Skipped only " + skipped + " bytes out of " + start + " required");
        } else {
            long bytesToCopy = end - start + 1L;
            byte[] buffer = new byte[4096];

            while(bytesToCopy > 0L) {
                int bytesRead = in.read(buffer);
                if (bytesRead == -1) {
                    break;
                }

                if ((long)bytesRead                     out.write(buffer, 0, bytesRead);
                    bytesToCopy -= (long)bytesRead;
                } else {
                    out.write(buffer, 0, (int)bytesToCopy);
                    bytesToCopy = 0L;
                }
            }

            return end - start + 1L - bytesToCopy;
        }
    }

    public static int drain(InputStream in) throws IOException {
        Assert.notNull(in, "No InputStream specified");
        byte[] buffer = new byte[4096];
        int bytesRead = true;

        int byteCount;
        int bytesRead;
        for(byteCount = 0; (bytesRead = in.read(buffer)) != -1; byteCount += bytesRead) {
        }

        return byteCount;
    }

    public static InputStream emptyInput() {
        return new ByteArrayInputStream(EMPTY_CONTENT);
    }

    public static InputStream nonClosing(InputStream in) {
        Assert.notNull(in, "No InputStream specified");
        return new StreamUtils.NonClosingInputStream(in);
    }

    public static OutputStream nonClosing(OutputStream out) {
        Assert.notNull(out, "No OutputStream specified");
        return new StreamUtils.NonClosingOutputStream(out);
    }

    private static class NonClosingOutputStream extends FilterOutputStream {
        public NonClosingOutputStream(OutputStream out) {
            super(out);
        }

        public void write(byte[] b, int off, int let) throws IOException {
            this.out.write(b, off, let);
        }

        public void close() throws IOException {
        }
    }

    private static class NonClosingInputStream extends FilterInputStream {
        public NonClosingInputStream(InputStream in) {
            super(in);
        }

        public void close() throws IOException {
        }
    }
}