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文件base64 上传

This commit is contained in:
jiang 2025-07-29 11:05:13 +08:00
parent 9cb6d60b22
commit b3b96d9937
3 changed files with 194 additions and 26 deletions
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141
bonus-modules/bonus-file/src/main/java/com/bonus/file/controller/SysFileController.java
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@ -3,7 +3,10 @@ package com.bonus.file.controller;
import cn.hutool.core.util.ObjectUtil;
import com.bonus.common.core.constant.HttpStatus;
import com.bonus.common.core.utils.Base64Utils;
import com.bonus.common.core.utils.StringUtils;
import com.bonus.common.core.web.domain.AjaxResult;
import com.bonus.file.entity.Base64File;
import com.bonus.file.entity.Base64ToMultipartFile;
import com.bonus.file.service.ISysFileService;
import com.bonus.system.api.domain.SysFile;
import io.swagger.annotations.Api;
@ -11,16 +14,15 @@ import io.swagger.annotations.ApiOperation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLDecoder;
import java.util.Base64;
import java.util.UUID;
/**
* 文件请求处理
@ -29,8 +31,7 @@ import java.net.URLDecoder;
*/
@RestController
@Api("服务文件存储")
public class SysFileController
{
public class SysFileController {
private static final Logger log = LoggerFactory.getLogger(SysFileController.class);
private final ISysFileService sysFileService;
@ -42,22 +43,91 @@ public class SysFileController
/**
* 单文件上传
*
* @param file 单个文件
* @return 文件信息，包括文件名和文件路径
*/
@PostMapping("upload")
@ApiOperation("上传本地文件到服务器")
public AjaxResult upload(MultipartFile file)
{
try
{
public AjaxResult upload(MultipartFile file) {
try {
// 上传并返回访问地址
if (ObjectUtil.isEmpty(file)) { return AjaxResult.error("上传文件不能为空");}
if (ObjectUtil.isEmpty(file)) {
return AjaxResult.error("上传文件不能为空");
}
SysFile sysFile = sysFileService.uploadFile(file);
return AjaxResult.success(sysFile);
} catch (Exception e) {
log.error("上传文件失败", e);
return AjaxResult.error(e.getMessage());
}
catch (Exception e)
{
}
/**
* 单文件上传（支持Base64格式）
*
* @param base64File Base64编码的文件内容
* @param fileName 文件名（可选）
* @param fileType 文件类型（如image/png，可选）
* @return 文件信息，包括文件名和文件路径
*/
@PostMapping("uploadBase64")
@ApiOperation("上传Base64文件到服务器")
public AjaxResult uploadBase64(@RequestBody Base64File entity) {
try {
// 验证Base64数据是否为空
if (StringUtils.isEmpty(entity.getBase64File())) {
return AjaxResult.error("上传文件内容不能为空");
}
// 处理可能包含的data URI前缀（如"data:image/png;base64,"）
String base64Data;
if (entity.getBase64File().startsWith("data:")) {
// 提取真正的base64内容
String[] parts = entity.getBase64File().split(",");
if (parts.length < 2) {
return AjaxResult.error("Base64格式不正确");
}
base64Data = parts[1];
// 如果没传fileType，尝试从data URI中提取
if (entity.getFileType() == null && parts[0].contains(":")) {
entity.setFileType(parts[0].split(":")[1].split(";")[0]);
}
} else {
base64Data = entity.getBase64File();
}
// 解码Base64
byte[] fileBytes = Base64.getDecoder().decode(base64Data);
// 如果没传文件名，生成一个随机文件名
if (StringUtils.isEmpty(entity.getFileName())) {
entity.setFileName(UUID.randomUUID().toString());
// 如果知道文件类型，添加合适的扩展名
if (entity.getFileType() != null) {
String extension = "";
if (entity.getFileType().equals("image/png")) {
extension = ".png";
} else if (entity.getFileType().equals("image/jpeg")) {
extension = ".jpg";
} else if (entity.getFileType().equals("application/pdf")) {
extension = ".pdf";
}
entity.setFileName(entity.getFileName() + extension);
}
}
// 创建临时MultipartFile对象
MultipartFile multipartFile = new Base64ToMultipartFile(fileBytes, entity.getFileName(), entity.getFileType());
// 调用原有的上传逻辑
SysFile sysFile = sysFileService.uploadFile(multipartFile);
return AjaxResult.success(sysFile);
} catch (IllegalArgumentException e) {
log.error("Base64解码失败", e);
return AjaxResult.error("Base64格式不正确");
} catch (Exception e) {
log.error("上传文件失败", e);
return AjaxResult.error(e.getMessage());
}
@ -65,30 +135,33 @@ public class SysFileController
/**
* 多文件上传
*
* @param files 多个文件流
* @return 文件信息
*/
@PostMapping("/uploadFiles")
public AjaxResult uploadFile(MultipartFile[] files) {
try {
if (ObjectUtil.isEmpty(files)) { return AjaxResult.error("上传文件不能为空");}
if (ObjectUtil.isEmpty(files)) {
return AjaxResult.error("上传文件不能为空");
}
return AjaxResult.success(sysFileService.uploadFiles(files));
} catch (Exception e)
{
} catch (Exception e) {
return AjaxResult.error(e.getMessage());
}
}
/**
* 文件下载
* @param response 请求响应
*
* @param response 请求响应
* @param objectKey，除mongodb 存fileid之外，其他均存上传文件的网络路径
*/
@GetMapping("/download")
public void downloadFile(HttpServletResponse response, @RequestParam String objectKey) throws IOException {
try {
String fileUrl = Base64Utils.decodeUrl(URLDecoder.decode(objectKey));
sysFileService.downloadFile(response, fileUrl);
String fileUrl = Base64Utils.decodeUrl(URLDecoder.decode(objectKey));
sysFileService.downloadFile(response, fileUrl);
} catch (Exception e) {
log.error("downloadFile error:{}", e.getMessage());
response.setStatus(HttpStatus.ERROR);
@ -105,10 +178,11 @@ public class SysFileController
/**
* 文件删除
* 从各个存储平台删除文件
*
* @param objectKey * @param objectKey，除mongodb 存fileid之外，其他均存上传文件的网络路径
*/
@PostMapping("/deleteFile")
public AjaxResult deleteFile(@RequestParam("objectKey") String objectKey) {
public AjaxResult deleteFile(@RequestParam("objectKey") String objectKey) {
try {
String fileUrl = Base64Utils.decodeUrl(URLDecoder.decode(objectKey));
sysFileService.deleteFile(fileUrl);
@ -120,37 +194,38 @@ public class SysFileController
/**
* 单文件上传到指定文件夹
*
* @param file 单个文件
* @return 文件信息，包括文件名和文件路径
*/
@PostMapping("uploadToFolder")
@ApiOperation("上传本地文件到服务器")
public AjaxResult upload(MultipartFile file, String folderName)
{
public AjaxResult upload(MultipartFile file, String folderName) {
return AjaxResult.success("单文件上传成功");
}
/**
* 创建文件夹
*
* @param folderPath 文件夹路径（例如 "folder1/subfolder/"）
* @return 文件夹网络路径
*/
@PostMapping("/createFolder")
@ApiOperation("创建文件夹")
public AjaxResult createFolder(@RequestParam("folderName") String folderPath)
{
public AjaxResult createFolder(@RequestParam("folderName") String folderPath) {
sysFileService.createFolder(folderPath);
return AjaxResult.success("创建文件夹");
}
/**
* list 指定目录下所有文件信息（文件名，文件大小，上传时间，是否目录），包括子文件夹
*
* @param folderPath 要获取文件夹和文件的父文件夹路径（例如 "folder1/"）
* @return 文件夹网络路径
*/
@GetMapping("/listFiles")
public AjaxResult listFiles(@RequestParam("folderName") String folderPath) {
public AjaxResult listFiles(@RequestParam("folderName") String folderPath) {
return AjaxResult.success(sysFileService.getFilesAndSubfolders(folderPath));
}
@ -158,13 +233,27 @@ public class SysFileController
/**
* 文件夹删除
* 从各个存储平台删除文件
*
* @param folderPath 文件夹路径（例如 "folder1/subfolder/"）
* @return 文件夹网络路径
*/
@PostMapping("/deleteFolder")
public AjaxResult deleteFolder(@RequestParam("folderName") String folderPath) {
public AjaxResult deleteFolder(@RequestParam("folderName") String folderPath) {
sysFileService.deleteFolder(folderPath);
return AjaxResult.success("文件夹删除成功");
}
@PostMapping("/uploadResume")
public AjaxResult uploadResume(@RequestParam("md5") String md5, @RequestParam("chunkIndex") Integer chunkIndex, @RequestParam("file") MultipartFile file, @RequestParam("totalChunks") Integer totalChunks, @RequestParam("filename") String filename) {
try {
if (ObjectUtil.isEmpty(file)) {
return AjaxResult.error("上传文件不能为空");
}
return AjaxResult.success(sysFileService.uploadResume(md5, chunkIndex, file, totalChunks, filename));
} catch (Exception e) {
return AjaxResult.error(e.getMessage());
}
}
}

17
bonus-modules/bonus-file/src/main/java/com/bonus/file/entity/Base64File.java Normal file
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@ -0,0 +1,17 @@
package com.bonus.file.entity;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Base64File {
private String fileName;
private String base64File;
private String fileType;
}

62
bonus-modules/bonus-file/src/main/java/com/bonus/file/entity/Base64ToMultipartFile.java Normal file
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@ -0,0 +1,62 @@
package com.bonus.file.entity;
import org.springframework.web.multipart.MultipartFile;
import java.io.*;
/**
* 自定义MultipartFile实现，用于包装Base64解码后的数据
*/
public class Base64ToMultipartFile implements MultipartFile {
private final byte[] content;
private final String name;
private final String contentType;
public Base64ToMultipartFile(byte[] content, String name, String contentType) {
this.content = content;
this.name = name;
this.contentType = contentType;
}
@Override
public String getName() {
return name;
}
@Override
public String getOriginalFilename() {
return name;
}
@Override
public String getContentType() {
return contentType;
}
@Override
public boolean isEmpty() {
return content == null || content.length == 0;
}
@Override
public long getSize() {
return content.length;
}
@Override
public byte[] getBytes() throws IOException {
return content;
}
@Override
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(content);
}
@Override
public void transferTo(File dest) throws IOException, IllegalStateException {
try (FileOutputStream fos = new FileOutputStream(dest)) {
fos.write(content);
}
}
}