修复下载中文文件bug

src/main/java/com/ramostear/application/controller/FileController.java

@@ -15,6 +15,7 @@
 
 import javax.annotation.PostConstruct;
 import java.io.*;
+import java.net.URLEncoder;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
@@ -90,13 +91,14 @@ public String fileUpload(@RequestParam("file") MultipartFile file) throws IOExce
 
     @GetMapping("/download/{fileName}")
     @ResponseBody
-    public ResponseEntity<Object> downloadFile(@PathVariable(name = "fileName") String fileName) throws FileNotFoundException {
+    public ResponseEntity<Object> downloadFile(@PathVariable(name = "fileName") String fileName) throws FileNotFoundException, UnsupportedEncodingException {
 
         File file = new File ( fileUploadRootDir+fileName);
         InputStreamResource resource = new InputStreamResource ( new FileInputStream ( file ) );
 
         HttpHeaders headers = new HttpHeaders();
-        headers.add ( "Content-Disposition",String.format("attachment;filename=\"%s",fileName));
+        // 使用URLEncoder.encode(fileName, "UTF-8") 下载文件能正常显示中文
+        headers.add ( "Content-Disposition",String.format("attachment;filename=\"%s", URLEncoder.encode(fileName, "UTF-8")));
         headers.add ( "Cache-Control","no-cache,no-store,must-revalidate" );
         headers.add ( "Pragma","no-cache" );
         headers.add ( "Expires","0" );

src/main/resources/application.yml

@@ -0,0 +1,19 @@
+spring:
+  freemarker:
+    cache: false
+    charset: UTF-8
+    enabled: true
+    prefix: ''
+    suffix: .html
+    template-loader-path: classpath:/templates/
+  servlet:
+    multipart:
+      max-file-size: 100MB
+      max-request-size: 1000MB
+file:
+  upload:
+    root:
+      dir:
+        linux: ~/upload/
+        mac: /users/gaohanghang/upload/
+        windows: C:/work/upload/