package com.mindskip.xzs.controller.common;
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import com.mindskip.xzs.base.RestResponse;
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import com.mindskip.xzs.configuration.RuoYiConfig;
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import lombok.RequiredArgsConstructor;
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import org.springframework.core.io.FileSystemResource;
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import org.springframework.core.io.Resource;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.util.StringUtils;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.web.multipart.MultipartFile;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.file.Files;
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import java.util.HashMap;
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import java.util.UUID;
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/**
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* @author:xp
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* @date:2024/5/15 17:02
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*/
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@RestController
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@RequiredArgsConstructor
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@RequestMapping("/api/upload")
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public class UploadController {
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private final RuoYiConfig ruoYiConfig;
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/**
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* 通用上传请求(单个)
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*/
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@PostMapping("/upload")
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public RestResponse uploadFile(MultipartFile file) throws Exception
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{
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// // 检查文件是否为空
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// if (file.isEmpty()) {
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// return RestResponse.fail(500, "上传的文件为空");
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// }
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try {
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// 获取文件名
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String originalFileName = StringUtils.cleanPath(file.getOriginalFilename());
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String randomName = UUID.randomUUID().toString().replace("-", "") + originalFileName.substring(originalFileName.lastIndexOf("."));
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// 指定文件存储路径
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String uploadDir = ruoYiConfig.getUrl(); // 修改为您希望存储的目录
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// 如果目录不存在,则创建目录
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File dir = new File(uploadDir);
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if (!dir.exists()) {
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dir.mkdirs();
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}
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// 构建目标文件的路径
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String filePath = uploadDir + "/" + randomName;
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// 将文件保存到目标位置
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file.transferTo(new File(filePath));
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// 返回成功响应
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HashMap hashMap = new HashMap(2);
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hashMap.put("name", originalFileName);
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hashMap.put("url", randomName);
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return RestResponse.ok(hashMap);
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} catch (IOException e) {
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e.printStackTrace();
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// 返回失败响应
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return RestResponse.fail(500, "文件上传失败");
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}
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}
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/**
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* 下载文件(单个)
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*/
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@GetMapping("/download")
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public void download(@RequestParam String url, @RequestParam String fileName, HttpServletResponse response) throws Exception
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{
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// 提取文件路径
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String filePath = ruoYiConfig.getUrl() + File.separator + url;
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File file = new File(filePath);
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// 检查文件是否存在
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if (!file.exists()) {
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throw new RuntimeException("文件不存在");
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}
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// 读取文件内容
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byte[] fileContent = Files.readAllBytes(file.toPath());
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// 设置响应头
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response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
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response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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// 将文件内容写入响应输出流
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response.getOutputStream().write(fileContent);
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response.getOutputStream().flush();
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}
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}
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