feat(dao-support、common): IPageReq，支持指定不查询分页count。step2

common-lib/src/main/java/cn/axzo/foundation/page/PageReq.java

@@ -4,6 +4,7 @@ import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import org.apache.commons.lang3.BooleanUtils;
 
 import java.util.List;
 
@@ -11,8 +12,14 @@ import java.util.List;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class PageReq implements IPageReq{
+public class PageReq implements IPageReq {
     Integer page;
     Integer pageSize;
+    Boolean searchCount;
     List<String> sort;
+
+    public Boolean isSearchCount() {
+        // 只要不明确指定 searchCount = false，都要查count信息
+        return BooleanUtils.isNotFalse(searchCount);
+    }
 }