修改

src/main/java/com/ruoyi/project/zt/controller/DjdcController.java

@@ -257,12 +257,13 @@ public class DjdcController {
     public void export(HttpServletResponse response, CommonParam param)
     {
 
-        String path = param.getPath();
+        String path = param.getExportPath();
         switch (path) {
             case "exportLjjw":
                 List<Ljjw> ljjwList2 = djdcService.getLjjwList(param);
                 ExcelUtil<Ljjw> util = new ExcelUtil<Ljjw>(Ljjw.class);
                 util.exportExcel(response, ljjwList2, "Sheet1");
+
             default:
 
         }

src/main/java/com/ruoyi/project/zt/domain/CommonParam.java

@@ -12,6 +12,8 @@ public class CommonParam {
 
     //接口路径
     private String path;
+    //导出接口路径
+    private String exportPath;
     //井号
     private String jh;
     //井型