From 9aa42e1cd8af0de557b3c422d53b557c5397f5d7 Mon Sep 17 00:00:00 2001
From: value <z1292839451@163.com>
Date: 星期三, 15 五月 2024 02:12:49 +0800
Subject: [PATCH] 标准库分页优化

---
 inspect-server/src/main/java/com/yuanchu/mom/service/impl/StandardProductListServiceImpl.java |   53 ++++++++++++++++++++++++++++++-----------------------
 1 files changed, 30 insertions(+), 23 deletions(-)

diff --git a/inspect-server/src/main/java/com/yuanchu/mom/service/impl/StandardProductListServiceImpl.java b/inspect-server/src/main/java/com/yuanchu/mom/service/impl/StandardProductListServiceImpl.java
index d75719a..660938b 100644
--- a/inspect-server/src/main/java/com/yuanchu/mom/service/impl/StandardProductListServiceImpl.java
+++ b/inspect-server/src/main/java/com/yuanchu/mom/service/impl/StandardProductListServiceImpl.java
@@ -16,9 +16,7 @@
 import org.springframework.stereotype.Service;
 
 import java.math.BigDecimal;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
+import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Collectors;
 
@@ -103,7 +101,7 @@
     }
 
     @Override
-    public List<StandardProductList> selectStandardProductListByMethodId(Integer id, String tree) {
+    public Map<String, Object> selectStandardProductListByMethodId(Integer id, String tree, Integer page) {
         String[] trees = tree.split(" - ");
         List<StandardProductList> list = new ArrayList<>();
         if (trees.length == 3) {
@@ -154,25 +152,34 @@
                 }
             }
         }
-        Integer userId = getLook.selectPowerByMethodAndUserId(null).get("userId");
-        CompletableFuture.supplyAsync(() -> {
-            standardProductListMapper.delete(Wrappers.<StandardProductList>lambdaUpdate().eq(StandardProductList::getStandardMethodListId, id).like(StandardProductList::getTree, tree));
-            standardProductListService2.saveBatch(list.stream().map(a->{
-                a.setFactory(trees[0]);
-                a.setLaboratory(trees[1]);
-                a.setSampleType(trees[2]);
-                a.setCreateUser(userId);
-                a.setUpdateUser(userId);
-                a.setStandardMethodListId(id);
-                return a;
-            }).collect(Collectors.toList()));
-            return null;
-        }).thenAccept(res -> {
-        }).exceptionally(e -> {
-            e.printStackTrace();
-            return null;
-        });
-        return list;
+        if(page == 1){
+            Integer userId = getLook.selectPowerByMethodAndUserId(null).get("userId");
+            CompletableFuture.supplyAsync(() -> {
+                standardProductListMapper.delete(Wrappers.<StandardProductList>lambdaUpdate().eq(StandardProductList::getStandardMethodListId, id).like(StandardProductList::getTree, tree));
+                standardProductListService2.saveBatch(list.stream().map(a->{
+                    a.setFactory(trees[0]);
+                    a.setLaboratory(trees[1]);
+                    a.setSampleType(trees[2]);
+                    a.setCreateUser(userId);
+                    a.setUpdateUser(userId);
+                    a.setStandardMethodListId(id);
+                    return a;
+                }).collect(Collectors.toList()));
+                return null;
+            }).thenAccept(res -> {
+            }).exceptionally(e -> {
+                e.printStackTrace();
+                return null;
+            });
+        }
+        Map<String, Object> map = new HashMap<>();
+        try {
+            map.put("productList", list.subList((page - 1)*50, page * 50));
+        }catch (IndexOutOfBoundsException e){
+            map.put("productList", list.subList((page - 1)*50, list.size()));
+        }
+        map.put("total", list.size());
+        return map;
     }
 }
 

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