xx

src/main/java/com/yunzhi/marketing/service/impl/TaPersonServiceImpl.java

             return ResponseBean.error("该项目状态异常, 不能绑定", ResponseBean.ERROR_UNAVAILABLE);
         }
 
+        // 验证此人是否绑定过驻场，已经绑定过就不能再次绑定
+        LambdaQueryWrapper<TaPersonBuilding> taPersonBuildingLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        taPersonBuildingLambdaQueryWrapper.eq(TaPersonBuilding::getBuildingId,taBuilding.getBuildingId());
+        taPersonBuildingLambdaQueryWrapper.eq(TaPersonBuilding::getPersonId,taPerson.getPersonId());
+        List<TaPersonBuilding> taPersonBuildings = taPersonBuildingMapper.selectList(taPersonBuildingLambdaQueryWrapper);
+        if (taPersonBuildings.size() > 0) {
+            return ResponseBean.error("已经绑定此项目的驻场，不能重复绑定", ResponseBean.ERROR_UNAVAILABLE);
+        }
+
         // 成为驻场顾问并绑定楼盘
         taPerson.setPersonType("marketing");
         taPersonMapper.updateById(taPerson);