2024-06-21 附件预览

src/main/java/com/baosight/hggp/controller/FileDownloadController.java

 package com.baosight.hggp.controller;
 
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
 import com.baosight.hggp.core.tools.ThreadLocalTools;
 import com.baosight.hggp.util.FileUtils;
 import com.baosight.hggp.util.LogUtils;
 import com.baosight.hggp.util.MapUtils;
 import com.baosight.hggp.util.StringUtils;
+import com.baosight.iplat4j.config.AdminFactoryConfig;
 import com.baosight.iplat4j.core.ei.EiConstant;
 import com.baosight.iplat4j.core.ei.EiInfo;
 import com.baosight.iplat4j.core.exception.PlatException;
 import com.baosight.iplat4j.core.service.soa.XServiceManager;
 import com.baosight.iplat4j.eu.dm.document.bos.s3.api.signed.SignedBosHelp;
 import com.baosight.iplat4j.eu.dm.document.bos.s3.param.BosParamHelp;
+import com.baosight.iplat4j.eu.dm.util.IFileUploader;
 import com.google.common.base.Joiner;
+import org.activiti.engine.impl.util.json.JSONString;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -19,8 +25,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
+import java.io.*;
 import java.net.URL;
 import java.net.URLEncoder;
 import java.util.HashMap;
@@ -39,7 +44,7 @@ import lombok.extern.slf4j.Slf4j;
 @CrossOrigin
 @RequestMapping({"/file/download"})
 public class FileDownloadController {
-	
+
 	/**
 	 * 更具docId下载文件
 	 *
@@ -81,7 +86,22 @@ public class FileDownloadController {
 			response.getWriter().write(msg);
 		}
 	}
-	
+	@RequestMapping({"docId/{docId}"})
+	public void downloadUrls(@PathVariable String docId, HttpServletRequest request, HttpServletResponse response) throws IOException {
+		String docJson = AdminFactoryConfig.getFileUpLoadInterface().getDocJSONById(docId);
+		Map document = (Map) JSON.parseObject(docJson, Map.class);
+		String docName = document.get("docName").toString();
+		String chgName = document.get("chgName").toString();
+		String docPath = document.get("realPath").toString();
+		String filePath = docPath + "/" + chgName;
+		try {
+			this.httpDownload(response, filePath, docName);
+		} catch (Exception e) {
+			String msg = String.format("下载文件【%s】失败！原因：%s", docId, LogUtils.getMsg(e));
+			response.getWriter().write(msg);
+		}
+	}
+
 	private String getReturnUrlByParam(Map<String, String[]> parameterMap, String returnUrl)
 			throws UnsupportedEncodingException {
 		String returnUrl2 = "";
@@ -138,5 +158,63 @@ public class FileDownloadController {
 		}
 		return strBuilder.toString();
 	}
+
+	private void httpDownload(HttpServletResponse response, String filePath, String downloadFileName) throws Exception {
+		File file = new File(filePath);
+		FileInputStream fileInputStream = new FileInputStream(file);
+		Throwable var6 = null;
+
+		try {
+			OutputStream outputStream = response.getOutputStream();
+			Throwable var8 = null;
+
+			try {
+				downloadFileName = URLEncoder.encode(downloadFileName, "UTF-8");
+				downloadFileName = downloadFileName.replaceAll("\\+", "%20");
+				response.reset();
+				response.setContentType("application/octet-stream");
+				response.setHeader("Content-Disposition", "attachment;filename*=utf-8''" + downloadFileName);
+				byte[] buffer = new byte[1024];
+
+				int i;
+				while((i = fileInputStream.read(buffer)) > 0) {
+					outputStream.write(buffer, 0, i);
+				}
+			} catch (Throwable var32) {
+				var8 = var32;
+				throw var32;
+			} finally {
+				if (outputStream != null) {
+					if (var8 != null) {
+						try {
+							outputStream.close();
+						} catch (Throwable var31) {
+							var8.addSuppressed(var31);
+						}
+					} else {
+						outputStream.close();
+					}
+				}
+
+			}
+		} catch (Throwable var34) {
+			var6 = var34;
+			throw var34;
+		} finally {
+			if (fileInputStream != null) {
+				if (var6 != null) {
+					try {
+						fileInputStream.close();
+					} catch (Throwable var30) {
+						var6.addSuppressed(var30);
+					}
+				} else {
+					fileInputStream.close();
+				}
+			}
+
+		}
+
+	}
 	
 }