update 文档拆分

2023-09-21 17:03:00 +08:00
parent 7cd4c1eff2
commit f20bde5e55
10 changed files with 247 additions and 59 deletions
@@ -0,0 +1,56 @@
+package com.jero.modules.oss.controller;
+
+import com.jero.common.exception.JeroBootException;
+import com.jero.common.util.MinioUtil;
+import com.jero.modules.oss.service.IOSSFileService;
+import com.jero.modules.oss.util.SplitFileUtils;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+@Slf4j
+@Controller
+@RequestMapping("/sys/split/file")
+public class SplitFileController {
+	@Value("${jero.path.uploadCos}")
+	private String filePathCos;
+	@Autowired
+	private IOSSFileService ossFileService;
+
+	@ResponseBody
+	@GetMapping("/getImage")
+	public void queryPageList(@RequestParam("fileName") String fileName, HttpServletResponse response, HttpServletRequest request) {
+		String fileUrl =  filePathCos + "/" + fileName;
+		response.setHeader("Content-Disposition",
+				"attachment; filename=\"" + SplitFileUtils.encodeFileName(fileName, request) + "\"");
+		response.setContentType("application/force-download");
+		if (MinioUtil.doesObjectExist(fileUrl)) {
+			try (OutputStream os = response.getOutputStream();
+				 InputStream fis = MinioUtil.download(fileUrl)) {
+				int len = 0;
+				while ((len = fis.read()) != -1) {
+					os.write(len);
+				}
+				os.flush();
+			} catch (FileNotFoundException e) {
+				throw new JeroBootException("文件不存在");
+			} catch (IOException e) {
+				throw new JeroBootException("文件不存在");
+			}
+		}
+	}
+
+
+}
@@ -181,7 +181,7 @@ public class OSSFileServiceImpl extends ServiceImpl<OSSFileMapper, OSSFile> impl
 		// 文件路径做特殊处理
 //        BASE64Encoder base64Encoder = new BASE64Encoder();
 //        String encode = base64Encoder.encode(filePath.getBytes(StandardCharsets.UTF_8));
-		String imgUrl = splitUrl + "/jero-boot/sys/split/file/getImage?fileUrl=" + filePath;
+		String imgUrl = splitUrl + filePath;
 		oSSFile.setUrl(imgUrl);
 		return oSSFile;
 	}
@@ -0,0 +1,36 @@
+package com.jero.modules.oss.util;
+
+import lombok.extern.slf4j.Slf4j;
+
+import javax.servlet.http.HttpServletRequest;
+import java.net.URLEncoder;
+
+@Slf4j
+public class SplitFileUtils {
+
+    /**
+     *
+     * @Title: encodeFileName
+     * @Description: 导出文件转换文件名称编码
+     * @param @param fileNames
+     * @param @param request
+     * @param @return    设定文件
+     * @return String    返回类型
+     * @throws
+     */
+    public static String encodeFileName(String fileNames , HttpServletRequest request) {
+        try {
+            String agent = request.getHeader("User-Agent");
+            if (agent.contains("Firefox")) {
+                fileNames = new String(fileNames.getBytes("UTF-8"), "ISO8859-1"); // firefox浏览器
+            } else {
+                fileNames = URLEncoder.encode(fileNames, "utf-8");
+                //谷歌中空格变为+问题
+                fileNames = fileNames.replaceAll("\\+","%20");
+            }
+        } catch (Exception e) {
+            log.error(e.getMessage(),e);
+        }
+        return fileNames ;
+    }
+}