修改Excel工具

src/main/java/org/springblade/common/utils/ExcelWriteUtil.java

@@ -32,7 +32,7 @@ public class ExcelWriteUtil {
 	 * @param titleMap   标题头
 	 * @param list       列表
 	 */
-	public static <T> void writeToResponse(final HttpServletResponse response, final String fileName, final String excelTitle, final Map<String, String> titleMap, final List<T> list, final Class<T> tClass) {
+	public static <T> void writeToResponse(HttpServletResponse response, final String fileName, final String excelTitle, final Map<String, String> titleMap, final List<T> list, final Class<T> tClass) {
 		try {
 			@Cleanup ExcelWriter writer = ExcelUtil.getWriter();
 			//写入标题
@@ -65,6 +65,7 @@ public class ExcelWriteUtil {
 				i++;
 			}
 			//设置响应头
+			response.setContentType("application/octet-stream");
 			response.setHeader("Content-Disposition", String.format("attachment;filename=%s%s", fileName, ".xls"));
 			writer.flush(response.getOutputStream(), true);
 		} catch (Exception e) {