sss

src/main/java/com/sysu/admin/controller/aland/LandService.java

@@ -198,11 +198,11 @@ public class LandService extends BaseService<Land,Long> {
         Map<Integer,String> namesMap = null;
         String appendWhere = "";
         String groupField = "";
-        if(districtCode != null){
+        if(StringUtils.isNotBlank(districtCode)){
             namesMap = townService.getNames(districtCode);
             appendWhere += " and district_code = '" +districtCode+"'";
             groupField += "town_id";
-        }else if(city != null){
+        }else if(StringUtils.isNotBlank(city)){
             namesMap = districtService.getNames(city);
             appendWhere += " and district_code like '" + city.substring(0,4) + "%'";
             groupField += "district_code";