feat: 增加page convert

src/main/java/cn/axzo/pokonyan/dao/converter/PageConverter.java

@@ -17,6 +17,8 @@ import java.util.Optional;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
+import static java.util.stream.Collectors.toList;
+
 @UtilityClass
 public class PageConverter {
 
@@ -88,6 +90,14 @@ public class PageConverter {
         return totalData;
     }
 
+    public static <T, R> Page<R> convert(Page<T> page, Function<? super T, ? extends R> mapper) {
+        List<R> collect = page.getRecords().stream().map(mapper).collect(toList());
+
+        Page<R> result = new Page<>(page.getCurrent(), page.getSize(), page.getTotal());
+        result.setRecords(collect);
+        return result;
+    }
+
     /**
      * 将MybatisPlus的IPage转换为spring的Page, 用于返回
      *