feat:文件测试

boot-admin/boot-eureka-server/src/main/java/com/ruy9527/FileTestController.java

@@ -0,0 +1,59 @@
+package com.ruy9527;
+
+import org.apache.tomcat.util.http.fileupload.IOUtils;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
+import java.net.URLEncoder;
+
+/***
+ * @author: yang_bao
+ * @date: 2023/9/10
+ * @desc:
+ ***/
+
+
+@RequestMapping(value = "/files")
+@RestController
+public class FileTestController {
+
+    @GetMapping(value = "/down")
+    public void downFile(HttpServletResponse response) throws Exception {
+
+        InputStream fis = null;
+        ServletOutputStream sos = null;
+        try {
+            String fileName = "1-2 CPU缓存架构&缓存一致性协议详解.pdf";
+            //设置响应头
+            response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
+            String path = "/" +  fileName;
+            fis = new ClassPathResource(path).getInputStream();
+            sos = response.getOutputStream();
+            IOUtils.copy(fis, sos);
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new RuntimeException("模板下载失败！");
+        } finally {
+            try {
+                if (fis != null) {
+                    fis.close();
+                }
+                if (sos != null) {
+                    sos.flush();
+                    sos.close();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+
+    }
+
+
+}