refactor(通用方法): 增加批量查询获取返回值的通用方法

backend/services/system-setting/src/main/java/io/metersphere/system/utils/SubSearchListUtil.java

@@ -0,0 +1,52 @@
+package io.metersphere.system.utils;
+
+import com.github.pagehelper.Page;
+import com.github.pagehelper.PageHelper;
+import org.apache.commons.collections4.CollectionUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Function;
+
+public class SubSearchListUtil {
+
+    public static int DEFAULT_BATCH_SIZE = 50;
+
+    public <T> List<T> doForSearchList(Function<Object, List<T>> selectListFunc){
+        // 创建一个 List 来保存合并后的结果
+        List<T> allResults = new ArrayList<>();
+        int pageNumber = 1;
+        boolean count = true;
+        Page<Object> page = PageHelper.startPage(pageNumber, DEFAULT_BATCH_SIZE, count);
+        Pager<List<T>> listPager = PageUtils.setPageInfo(page, selectListFunc.apply(pageNumber));
+        long total = listPager.getTotal();
+        allResults.addAll(listPager.getList());
+        count = false;
+        for (int i = 1; i < ((int)Math.ceil((double) total/DEFAULT_BATCH_SIZE)); i ++) {
+            Page<Object> pageCycle = PageHelper.startPage(i+1, DEFAULT_BATCH_SIZE, count);
+            Pager<List<T>> listPagerCycle = PageUtils.setPageInfo(pageCycle, selectListFunc.apply(i+1));
+            List<T> pageResults = listPagerCycle.getList();
+            allResults.addAll(pageResults);
+        }
+        return allResults;
+    }
+
+    public <T, V>  List<T>  doForSearchByCountList(List<V> totalList,  Function<Object, List<T>> selectInListFunc){
+        if (CollectionUtils.isEmpty(totalList)) {
+            return new ArrayList<>();
+        }
+        // 创建一个 List 来保存合并后的结果
+        List<T> allResults = new ArrayList<>();
+        int size = totalList.size();
+
+        for (int start = 0; start < size; start += DEFAULT_BATCH_SIZE) {
+            int end = Math.min(size, start + DEFAULT_BATCH_SIZE);
+            List<V> subList = totalList.subList(start, end);
+            List<T> results = selectInListFunc.apply(new ArrayList<>(subList));
+            allResults.addAll(results);
+        }
+
+        return allResults;
+    }
+
+}