商品导入

framework-boot/pom.xml

@@ -145,6 +145,11 @@
             <artifactId>janino</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+        </dependency>
+
     </dependencies>
 
 </project>

framework-boot/src/main/java/com/mrxu/framework/boot/web/BaseController.java

@@ -10,15 +10,13 @@ import com.mrxu.framework.common.util.BusinessException;
 import com.mrxu.framework.common.util.StrFunc;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.util.ResourceUtils;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
-import java.io.File;
+import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.URLEncoder;
-import java.nio.file.Files;
 import java.util.Collection;
 import java.util.Date;
 import java.util.List;
@@ -269,17 +267,16 @@ public class BaseController {
      */
     @SneakyThrows
     protected void downloadFile(HttpServletResponse response,String fileName) {
-        String path = this.getClass().getClassLoader().getResource("").getPath();
-        log.info("resource 路径:{}",path);
-        File file = new File(path + "file/"+fileName);
-        // 文件转成字节数组
-        byte[] fileByte = Files.readAllBytes(file.toPath());
+        InputStream fis = Thread.currentThread().getContextClassLoader().getResourceAsStream("file/"+fileName);
+        byte[] fileByte = new byte[fis.available()];
+        fis.read(fileByte);
+        fis.close();
         // 设置response的Header
         response.setCharacterEncoding("UTF-8");
         // 指定下载文件名(attachment-以下载方式保存到本地，inline-在线预览)
         response.setHeader("Content-Disposition", "attachment; filename=\"" + URLEncoder.encode(fileName, "UTF-8") + "\"");
         // 告知浏览器文件的大小
-        response.addHeader("Content-Length", "" + file.length());
+        response.addHeader("Content-Length", "" + fileByte.length);
         // 内容类型为通用类型，表示二进制数据流
         response.setContentType("application/octet-stream");
         OutputStream os = response.getOutputStream();