Merge branch 'dev'

renren-admin/src/main/java/io/renren/common/controller/AdminController.java

@@ -9,6 +9,10 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.FileSystemResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -16,7 +20,10 @@ import org.springframework.web.bind.annotation.RestController;
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Date;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Api(tags = "管理员后台")
 @RestController
@@ -44,12 +51,41 @@ public class AdminController {
         return new Result<String>().ok(String.valueOf(success));
     }
 
+    /**
+     * 列出所有日志文件
+     *
+     * @return
+     */
     @GetMapping(value = "logFiles")
     public Result<List<String>> logFiles() {
         List<String> result = new ArrayList<>();
         File file = new File(pwd + File.separator + "logs");
         File[] tempFile = file.listFiles();
+        result = Arrays.asList(tempFile).stream().filter(index -> index.isFile()).map(index -> index.getName()).collect(Collectors.toList());
         return new Result<List<String>>().ok(result);
     }
 
+    /**
+     * 下载日志文件
+     *
+     * @param file
+     * @return
+     */
+    @GetMapping(value = "downloadLog")
+    public ResponseEntity<FileSystemResource> downloadLogFile(String file) {
+        File file_ = new File(pwd + File.separator + "logs" + File.separator + file);
+        if (!file_.exists()) {
+            return null;
+        }
+        HttpHeaders headers = new HttpHeaders();
+        headers.add("Cache-Control", "no-cache, no-store, must-revalidate");
+        headers.add("Content-Disposition", "attachment; filename=" + file_.getName());
+        headers.add("Pragma", "no-cache");
+        headers.add("Expires", "0");
+        headers.add("Last-Modified", new Date().toString());
+        headers.add("ETag", String.valueOf(System.currentTimeMillis()));
+        return ResponseEntity.ok().headers(headers).contentLength(file.length()).contentType(MediaType.parseMediaType("application/octet-stream")).body(new FileSystemResource(file_));
+
+    }
+
 }