1.文件后台下载后推流到前端

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

+package com.baosight.hpjx.controller;
+
+import com.baosight.hpjx.util.LogUtils;
+import com.baosight.hpjx.util.MapUtils;
+import com.baosight.hpjx.util.StringUtils;
+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.hpjx.util.FileUtils;
+import com.google.common.base.Joiner;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.PathVariable;
+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.net.URL;
+import java.net.URLEncoder;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author:songx
+ * @date:2024/3/14,14:26
+ */
+@Slf4j
+@Controller
+@CrossOrigin
+@RequestMapping({"/file/download"})
+public class FileDownloadController {
+	
+	/**
+	 * 更具docId下载文件
+	 *
+	 * @param docId
+	 * @param request
+	 * @param response
+	 * @throws IOException
+	 */
+	@RequestMapping({"/{docId}"})
+	public void downloadUrl(@PathVariable String docId, HttpServletRequest request, HttpServletResponse response)
+			throws IOException {
+		response.setContentType("text/plain; charset=UTF-8");
+		try {
+			EiInfo queryDocMapInfo = new EiInfo();
+			queryDocMapInfo.set("docId", docId);
+			queryDocMapInfo.set(EiConstant.serviceId, "S_EU_0102");
+			EiInfo returnInfo = XServiceManager.call(queryDocMapInfo);
+			Map docMap = returnInfo.getMap("docMap");
+			String s3UrlPrefix = MapUtils.getString(docMap, "url");
+			String fileName = MapUtils.getString(docMap, "resCname");
+			String returnUrlPrefix = BosParamHelp.disposeUrl(s3UrlPrefix);
+			Map<String, String[]> parameterMap = request.getParameterMap();
+			String returnUrl = this.getReturnUrlByParam(parameterMap, returnUrlPrefix);
+			if (StringUtils.isBlank(returnUrl)) {
+				String seconds = request.getHeader("seconds");
+				if (StringUtils.isBlank(seconds)) {
+					seconds = request.getParameter("seconds");
+				}
+				returnUrl = this.buildReturnUrl(seconds, fileName, returnUrlPrefix, s3UrlPrefix);
+			}
+			// 下载文件
+			if (StringUtils.isNotBlank(returnUrl)) {
+				FileUtils.downloadUrlFile(returnUrl, fileName, response);
+			} else {
+				throw new PlatException("文件地址异常");
+			}
+		} 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 = "";
+		Map<String, String> paramMap = this.getParamMap(parameterMap);
+		paramMap.remove("code");
+		paramMap.remove("access_token");
+		paramMap.remove("seconds");
+		if (!paramMap.isEmpty() && paramMap.containsKey("X-Amz-Signature")) {
+			String queryString = this.buildQueryString(paramMap);
+			returnUrl2 = returnUrl + "?" + queryString;
+		}
+		return returnUrl2;
+	}
+	
+	private String buildReturnUrl(String seconds, String fileName, String returnUrlPrefix, String s3UrlPrefix)
+			throws Exception {
+		URL s3Url = SignedBosHelp.getDownloadTempUrl(s3UrlPrefix, fileName, seconds);
+		String s3UrlParam = StringUtils.defaultIfEmpty(s3Url.getQuery(), "");
+		String returnUrl = returnUrlPrefix + "?" + s3UrlParam;
+		return com.baosight.iplat4j.eu.dm.util.FileUtils.returnDocUrlByEncodeFileName(returnUrl);
+	}
+	
+	private Map<String, String> getParamMap(Map<String, String[]> parameterMap) {
+		Map paramMap = new HashMap();
+		Set<String> parameterSet = parameterMap.keySet();
+		Iterator parameterIterator = parameterSet.iterator();
+		while (parameterIterator.hasNext()) {
+			String next = (String) parameterIterator.next();
+			String[] valueArray = (String[]) parameterMap.get(next);
+			if (valueArray != null && valueArray.length != 0) {
+				String value = Joiner.on(",").join(valueArray);
+				paramMap.put(next, value);
+			}
+		}
+		return paramMap;
+	}
+	
+	
+	private String buildQueryString(Map<String, String> parameterMap) throws UnsupportedEncodingException {
+		StringBuilder strBuilder = new StringBuilder();
+		String rcd = MapUtils.getString(parameterMap, "response-content-disposition");
+		parameterMap.remove("response-content-disposition");
+		String next;
+		for (Iterator iterator = parameterMap.keySet().iterator(); iterator.hasNext();
+				strBuilder.append(next).append("=").append((String) parameterMap.get(next))) {
+			next = (String) iterator.next();
+			if (strBuilder.length() > 0) {
+				strBuilder.append("&");
+			}
+		}
+		if (StringUtils.isNotBlank(rcd)) {
+			strBuilder.append("&").append("response-content-disposition").append("=").append(
+					URLEncoder.encode(rcd, "UTF-8"));
+		}
+		return strBuilder.toString();
+	}
+}

src/main/java/com/baosight/hpjx/core/filter/MyGenericFilterFilter.java → src/main/java/com/baosight/hpjx/core/filter/MyGenericFilter.java

@@ -28,7 +28,7 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 @Component
 @Order(Ordered.HIGHEST_PRECEDENCE)
-public class MyGenericFilterFilter extends GenericFilterBean {
+public class MyGenericFilter extends GenericFilterBean {
 	
 	@Override
 	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain)

src/main/java/com/baosight/hpjx/core/oss/OssClientUtils.java

-package com.baosight.hpjx.core.oss;
-
-import com.amazonaws.ClientConfiguration;
-import com.amazonaws.auth.AWSStaticCredentialsProvider;
-import com.amazonaws.auth.BasicAWSCredentials;
-import com.amazonaws.client.builder.AwsClientBuilder;
-import com.amazonaws.services.s3.AmazonS3;
-import com.amazonaws.services.s3.AmazonS3ClientBuilder;
-import com.baosight.hpjx.util.StringUtils;
-import com.baosight.iplat4j.core.ioc.spring.PlatApplicationContext;
-
-import lombok.extern.slf4j.Slf4j;
-
-/**
- * OSS凭证
- *
- * @author:songx
- * @date:2023/8/28,11:26
- */
-@Slf4j
-public class OssClientUtils {
-	
-	private OssClientUtils() {
-	}
-	
-	/**
-	 * 初始化配置信息(纯粹就打印日志而已，因为会加载该类的全局变量)
-	 */
-	public static void init() {
-		AmazonS3 s3Client = Instance.s3Client;
-		log.info("初始化OSS客户端完成：isReady -> {}", s3Client != null);
-	}
-	
-	/**
-	 * 获取S3客户端
-	 *
-	 * @return
-	 */
-	public static AmazonS3 getS3Client() {
-		return Instance.s3Client;
-	}
-	
-	/**
-	 * 刷新客户端
-	 */
-	public static void refresh() {
-		Instance.refresh();
-	}
-	
-	/**
-	 * 初始化Instance
-	 *
-	 * @author:songx
-	 * @date:2022/4/2,9:58
-	 */
-	private static class Instance {
-		
-		/**
-		 * 客户端实例
-		 */
-		private static AmazonS3 s3Client = buildAmazonS3();
-		
-		/**
-		 * 刷新S3客户端
-		 */
-		private static void refresh() {
-			s3Client = buildAmazonS3();
-			log.info("刷新OSS客户端完成：isReady->{}", s3Client != null);
-		}
-		
-		/**
-		 * 获取AmazonS3Client实例
-		 *
-		 * @return
-		 */
-		private static synchronized AmazonS3 buildAmazonS3() {
-			String accessKey = PlatApplicationContext.getProperty("iplat4j.admin.objectStorage.s3.accessKey");
-			String secretKey = PlatApplicationContext.getProperty("iplat4j.admin.objectStorage.s3.secretKey");
-			String endpoint = PlatApplicationContext.getProperty("iplat4j.admin.objectStorage.s3.endpoint");
-			if (StringUtils.isBlank(accessKey) || StringUtils.isBlank(secretKey) || StringUtils.isBlank(endpoint)) {
-				return null;
-			}
-			AmazonS3ClientBuilder client = AmazonS3ClientBuilder.standard();
-			ClientConfiguration config = new ClientConfiguration();
-			config.setProtocol(com.amazonaws.Protocol.HTTPS);
-			config.setConnectionTimeout(10001);
-			config.setSignerOverride("S3SignerType");
-			client.setClientConfiguration(config);
-			client.setCredentials(new AWSStaticCredentialsProvider(
-					new BasicAWSCredentials(accessKey, secretKey)));
-			String url = endpoint + ":" + 80;
-			client.setEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration(endpoint, null));
-			return client.build();
-		}
-		
-	}
-	
-}

src/main/java/com/baosight/hpjx/core/oss/OssUtils.java

-package com.baosight.hpjx.core.oss;
-
-import com.amazonaws.services.s3.AmazonS3;
-import com.baosight.hpjx.util.AssertUtils;
-import com.baosight.iplat4j.core.ioc.spring.PlatApplicationContext;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.jsp.PageContext;
-import java.io.File;
-
-/**
- * OSS工具类
- *
- * @author:songx
- * @date:2023/8/28,11:25
- */
-public class OssUtils {
-	
-	// 桶名称
-	private static final String bucketName = PlatApplicationContext.getProperty(
-			"iplat4j.admin.objectStorage.s3.bucket");
-	
-	/**
-	 * 前端上传文件
-	 *
-	 * @param pageContext
-	 * @return
-	 * @throws Exception
-	 */
-	public static String uploadFile(PageContext pageContext) throws Exception {
-		HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
-		return null;
-	}
-	
-	/**
-	 * 上传文件
-	 *
-	 * @param key 默认不指定key的情况下，以文件内容的hash值作为文件名
-	 * @param file
-	 */
-	public static void uploadFile(String key, File file) {
-		AmazonS3 client = OssClientUtils.getS3Client();
-		AssertUtils.isNull(client, "上传失败，OSS客户端未初始化，请检查");
-		client.putObject(bucketName, key, file);
-	}
-	
-}

src/main/java/com/baosight/hpjx/util/FileUtils.java

@@ -2,7 +2,9 @@ package com.baosight.hpjx.util;
 
 import com.baosight.hpjx.core.constant.OSConstant;
 
+import javax.servlet.http.HttpServletResponse;
 import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.ByteArrayOutputStream;
@@ -14,6 +16,9 @@ import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.URL;
+import java.net.URLEncoder;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.text.DecimalFormat;
@@ -25,12 +30,15 @@ import java.util.Objects;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import lombok.extern.slf4j.Slf4j;
+
 /**
  * 文件工具类
  *
  * @author:songx
  * @date:2016/3/26,11:54
  */
+@Slf4j
 public class FileUtils extends org.apache.commons.io.FileUtils {
 	
 	/**
@@ -454,4 +462,48 @@ public class FileUtils extends org.apache.commons.io.FileUtils {
 		}
 	}
 	
+	/**
+	 * InputStream
+	 *
+	 * @param url
+	 */
+	public static InputStream downloadStreamFromUrl(String url) throws IOException {
+		URL httpUrl = new URL(url);
+		return httpUrl.openStream();
+	}
+	
+	/**
+	 * 下载文件到前端
+	 *
+	 * @param url
+	 * @param fileName
+	 * @param response
+	 */
+	public static void downloadUrlFile(String url, String fileName, HttpServletResponse response) throws IOException {
+		// 设置响应类型，图片直接预览
+		if ("jpg/jpeg/png/bmp/gif/tif/icon/ico".contains(
+				fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase())) {
+			response.setContentType("text/html; charset=UTF-8");
+			response.setContentType("image/jpeg");
+		} else {
+			response.setContentType("application/octet-stream;charset=UTF-8");
+			response.setHeader("Content-Disposition", "attachment;filename="
+					+ URLEncoder.encode(fileName, "UTF-8"));
+		}
+		try (InputStream is = downloadStreamFromUrl(url);
+				OutputStream outputStream = new BufferedOutputStream(response.getOutputStream())) {
+			byte[] buffer = new byte[1024];
+			while (true) {
+				int len = is.read(buffer);
+				if (len == -1) {
+					break;
+				}
+				outputStream.write(buffer, 0, len);
+			}
+			outputStream.flush();
+		} catch (IOException e) {
+			throw e;
+		}
+	}
+	
 }

src/main/java/com/baosight/hpjx/util/LogUtils.java

@@ -72,7 +72,21 @@ public class LogUtils {
 		}
 		inInfo.setMsg(msg.concat(e.getMessage()));
 	}
-
+	
+	/**
+	 * 转换系统异常，业务异常
+	 *
+	 * @param e
+	 * @return
+	 */
+	public static String getMsg(Throwable e) {
+		if (e instanceof PlatException) {
+			return e.getMessage();
+		} else {
+			return "服务异常，请稍后重试！";
+		}
+	}
+	
 	/**
 	 * 打印日志
 	 *

src/main/webapp/common/js/common.js

@@ -73,7 +73,11 @@ function message(msg) {
  * @returns {string}
  */
 function downloadHref(docId) {
-	return IPLATUI.CONTEXT_PATH + ("run" == projectEnv ? ('/docFileDownload/' + docId)
+	// S3地址有外网
+	// return IPLATUI.CONTEXT_PATH + ("run" == projectEnv ? ('/docFileDownload/' + docId)
+	// 	: ('/EU/DM/EUDM06.jsp?docId=' + docId));
+	// S3地址无外网
+	return IPLATUI.CONTEXT_PATH + ("run" == projectEnv ? ('/file/download/' + docId)
 		: ('/EU/DM/EUDM06.jsp?docId=' + docId));
 }