解决内置存储某些类型文件返回content-type错误问题

broker/pom.xml

@@ -234,6 +234,11 @@
             <version>3.4.1</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.apache.tika</groupId>
+            <artifactId>tika-core</artifactId>
+            <version>2.4.1</version>
+        </dependency>
     </dependencies>
 
 

broker/src/main/java/com/xiaoleilu/loServer/handler/Response.java

@@ -41,6 +41,7 @@ import io.netty.handler.codec.http.LastHttpContent;
 import io.netty.handler.codec.http.cookie.Cookie;
 import io.netty.handler.codec.http.cookie.DefaultCookie;
 import io.netty.handler.codec.http.cookie.ServerCookieEncoder;
+import org.apache.tika.Tika;
 import org.slf4j.LoggerFactory;
 
 /**
@@ -469,7 +470,9 @@ public class Response {
 		this.setContentLength(fileLength);
 		
 		//文件类型
-		String contentType = HttpUtil.getMimeType(file.getName());
+        Tika tika = new Tika();
+        String contentType = tika.detect(file);
+//		String contentType = HttpUtil.getMimeType(file.getName());
 		if(StrUtil.isBlank(contentType)){
 			//无法识别默认使用数据流
 			contentType = "application/octet-stream";