[udpate] 优化分页查询

signal-utc-service/src/main/java/net/wanji/utc/controller/CrossInfoController.java

@@ -10,7 +10,7 @@ import net.wanji.utc.dto.systemadmin.CrossInfoListDTO;
 import net.wanji.utc.dto.systemadmin.DeleteByStringIdListDTO;
 import net.wanji.utc.entity.JsonViewObject;
 import net.wanji.utc.service.systemadmin.CrossInfoService;
-import net.wanji.utc.vo.systemadmin.*;
+import net.wanji.utc.vo.systemadmin.CrossInfoListVO;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -18,6 +18,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.ws.rs.core.MediaType;
+import java.util.Objects;
 
 /**
  * 系统管理-信号机管理
@@ -43,7 +44,7 @@ public class CrossInfoController {
     public JsonViewObject list(@RequestBody CrossInfoListDTO crossInfoListDTO) {
         Integer pageNum = crossInfoListDTO.getPageNum();
         Integer pageSize = crossInfoListDTO.getPageSize();
-        if (pageSize == 0 && pageNum == 0) {
+        if (Objects.isNull(pageSize) || pageSize == 0 || Objects.isNull(pageNum)  || pageNum == 0) {
             // 不分页
             crossInfoListDTO.setPageNum(1);
             crossInfoListDTO.setPageSize(9999);