1

ruoyi-powerdistribution/src/main/java/com/ruoyi/powerdistribution/controller/PdmStopTargeController.java

@@ -5,6 +5,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
 import javax.servlet.http.HttpServletResponse;
 
@@ -13,6 +14,7 @@ import com.ruoyi.common.utils.uuid.UUID;
 import com.ruoyi.powerdistribution.util.ImportExcelHelper;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
+import org.springframework.core.io.ClassPathResource;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
@@ -26,6 +28,8 @@ import com.ruoyi.common.utils.poi.ExcelUtil;
 import com.ruoyi.common.core.page.TableDataInfo;
 import org.springframework.web.multipart.MultipartFile;
 
+import static javax.swing.text.DefaultStyledDocument.ElementSpec.ContentType;
+
 /**
  * 停电预算Controller
  *
@@ -113,26 +117,27 @@ public class PdmStopTargeController extends BaseController
     @ApiOperation(value = "停电预算下载模板")
     public void downloadTemplate(HttpServletResponse response) {
         String filePath = "excelTemplate/stopTarget.xlsx";//未完成
-        byte[] buffer = new byte[1024];
         InputStream fis = Thread.currentThread().getContextClassLoader().getResourceAsStream(filePath);
         BufferedInputStream bis = null;
         try {
             response.setHeader("Content-Disposition", "attachment;filename*=UTF-8''" + URLEncoder.encode(UUID.fastUUID().toString(), "UTF-8"));
-            response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8");
-            response.setCharacterEncoding("UTF-8");
+            response.setCharacterEncoding(StandardCharsets.UTF_8.name()); // 字符集编码
+            response.setContentType("application/octet-stream");
+            response.reset();
             bis = new BufferedInputStream(fis);
+            byte[] buffer = new byte[bis.available()];
             OutputStream os = response.getOutputStream();
-            int i = bis.read(buffer);
-            while (i != -1) {
-                os.write(buffer, 0, i);
-                i = bis.read(buffer);
-            }
+            bis.read(buffer);
+            os.write(buffer);
+            os.flush();
+            os.close();
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
             try {
-                bis.close();
-                fis.close();
+                 if(fis!=null){
+                     fis.close();
+                 }
             } catch (Exception e1) {
                 e1.printStackTrace();
             }