统一处理html边框变粗问题

blade-service/blade-manager/src/main/java/org/springblade/manager/controller/ExcelTabController.java

@@ -741,6 +741,12 @@ public class ExcelTabController extends BladeController {
             Document doc = Jsoup.parse(htmlString);
             int maxCol = doc.select("Col").size();
             Element table = doc.select("table").first();
+            // 显式设置表格样式，保持边框一致性，有些表的边框会变粗，统一设置
+            if (table != null) {
+                table.attr("style", "border-collapse: separate; border-spacing: 0;");
+                // 或者根据原始样式进行设置
+                table.attr("style", "border-collapse: collapse; border: 1px solid #000;");
+            }
             Elements hc = doc.select("hc-form-select-search");
             if (hc.size() >= 1) {
                 for (int i = 0; i < hc.size(); i++) {