通过行政区划下载excel新增

src/main/java/com/whdc/controller/AdinfoController.java

@@ -70,13 +70,9 @@ public class AdinfoController {
     @GetMapping("/getCountys/{adnm}")
     @ApiOperation(value = "通过市名获取县")
     public ResultJson<List<Adinfo>> getCountys(@PathVariable("adnm")
-                                               @ApiParam(value = "名称,all: 查询全部")
+                                               @ApiParam(value = "名称")
                                                String adnm) {
 
-        // 查询全部标识
-        if ("all".equals(adnm)) {
-            adnm = null;
-        }
 
         Adinfo one = service.lambdaQuery()
                 .like(Adinfo::getAdnm, adnm)