量水堰和闸阀新增创建时间赋值，分页查询按创建时间倒序

src/main/java/com/gunshi/project/xyt/controller/AttGateValveController.java

@@ -19,6 +19,7 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 import java.io.Serializable;
+import java.util.Date;
 import java.util.List;
 import java.util.Objects;
 
@@ -40,6 +41,7 @@ public class AttGateValveController {
     @PostMapping("/insert")
     public R<AttGateValve> insert(@Validated(Insert.class) @RequestBody AttGateValve dto) {
         dto.setValveCode(String.valueOf(IdWorker.getId()));
+        dto.setCreateTime(new Date());
         boolean result = service.save(dto);
         return R.ok(result ? dto : null);
     }
@@ -80,6 +82,7 @@ public class AttGateValveController {
         if (ObjectUtils.isNotNull(page.getName())){
             query.like(AttGateValve::getValveName, page.getName());
         }
+        query.orderByDesc(AttGateValve::getCreateTime);
         return R.ok(service.page(page.getPageSo().toPage(),query));
     }
 

src/main/java/com/gunshi/project/xyt/controller/AttMeaWeirController.java

@@ -21,6 +21,7 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 import java.io.Serializable;
+import java.util.Date;
 import java.util.List;
 import java.util.Objects;
 
@@ -45,6 +46,7 @@ public class AttMeaWeirController {
     @PostMapping("/insert")
     public R<AttMeaWeir> insert(@Validated(Insert.class) @RequestBody AttMeaWeir dto) {
         dto.setWeirCode(String.valueOf(IdWorker.getId()));
+        dto.setCreateTime(new Date());
         if (StringUtils.isNotBlank(dto.getAdcd()) && Objects.isNull(stAddvcdDService.getById(dto.getAdcd()))){
             throw new IllegalArgumentException("当前行政区划不存在");
         }
@@ -92,6 +94,7 @@ public class AttMeaWeirController {
         if (ObjectUtils.isNotNull(page.getName())) {
             query.like(AttMeaWeir::getWeirName, page.getName());
         }
+        query.orderByDesc(AttMeaWeir::getCreateTime);
         return R.ok(service.page(page.getPageSo().toPage(), query));
     }
 }

src/main/java/com/gunshi/project/xyt/model/AttGateValve.java

@@ -35,7 +35,7 @@ public class AttGateValve implements Serializable {
         */
         @TableId(value="valve_code", type= IdType.AUTO)
         @Schema(description="闸阀编码")
-        @Size(max = 20,message = "闸阀编码最大长度要小于 20")
+        @Size(max = 20,message = "闸阀编码最大长度要小于 32")
         @NotBlank(message = "闸阀编码不能为空",groups = {Insert.class, Update.class})
         private String valveCode;