From 2f21f293c199ae596efeff080c76dc0f285e8faa Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期四, 04 十一月 2021 10:32:18 +0800
Subject: [PATCH] update 基于 hutool 封装树构建工具 重构部门与菜单树结构返回

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/PageUtils.java |   61 +++++++++++++++++++++---------
 1 files changed, 43 insertions(+), 18 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/PageUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/PageUtils.java
index cf3f886..b358e3b 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/PageUtils.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/PageUtils.java
@@ -1,6 +1,5 @@
 package com.ruoyi.common.utils;
 
-import cn.hutool.core.util.StrUtil;
 import cn.hutool.http.HttpStatus;
 import com.baomidou.mybatisplus.core.metadata.OrderItem;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -43,12 +42,13 @@
     public static final int DEFAULT_PAGE_NUM = 1;
 
     /**
-     * 姣忛〉鏄剧ず璁板綍鏁� 榛樿鍊�
+     * 姣忛〉鏄剧ず璁板綍鏁� 榛樿鍊� 榛樿鏌ュ叏閮�
      */
-    public static final int DEFAULT_PAGE_SIZE = 10;
+    public static final int DEFAULT_PAGE_SIZE = Integer.MAX_VALUE;
 
     /**
      * 鏋勫缓 plus 鍒嗛〉瀵硅薄
+     *
      * @param <T> domain 瀹炰綋
      * @param <K> vo 瀹炰綋
      * @return 鍒嗛〉瀵硅薄
@@ -58,38 +58,56 @@
         Integer pageSize = ServletUtils.getParameterToInt(PAGE_SIZE, DEFAULT_PAGE_SIZE);
         String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN);
         String isAsc = ServletUtils.getParameter(IS_ASC);
-        PagePlus<T, K> page = new PagePlus<>(pageNum, pageSize);
-        if (StrUtil.isNotBlank(orderByColumn)) {
-            String orderBy = SqlUtil.escapeOrderBySql(orderByColumn);
-            if ("asc".equals(isAsc)) {
-                page.addOrder(OrderItem.asc(orderBy));
-            } else if ("desc".equals(isAsc)) {
-                page.addOrder(OrderItem.desc(orderBy));
-            }
+        if (pageNum <= 0) {
+            pageNum = DEFAULT_PAGE_NUM;
         }
+        PagePlus<T, K> page = new PagePlus<>(pageNum, pageSize);
+        OrderItem orderItem = buildOrderItem(orderByColumn, isAsc);
+        page.addOrder(orderItem);
         return page;
+    }
+
+    public static <T> Page<T> buildPage() {
+        return buildPage(null, null);
     }
 
     /**
      * 鏋勫缓 MP 鏅�氬垎椤靛璞�
+     *
      * @param <T> domain 瀹炰綋
      * @return 鍒嗛〉瀵硅薄
      */
-    public static <T> Page<T> buildPage() {
+    public static <T> Page<T> buildPage(String defaultOrderByColumn, String defaultIsAsc) {
         Integer pageNum = ServletUtils.getParameterToInt(PAGE_NUM, DEFAULT_PAGE_NUM);
         Integer pageSize = ServletUtils.getParameterToInt(PAGE_SIZE, DEFAULT_PAGE_SIZE);
-        String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN);
-        String isAsc = ServletUtils.getParameter(IS_ASC);
+        String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN, defaultOrderByColumn);
+        String isAsc = ServletUtils.getParameter(IS_ASC, defaultIsAsc);
+        if (pageNum <= 0) {
+            pageNum = DEFAULT_PAGE_NUM;
+        }
         Page<T> page = new Page<>(pageNum, pageSize);
-        if (StrUtil.isNotBlank(orderByColumn)) {
+        OrderItem orderItem = buildOrderItem(orderByColumn, isAsc);
+        page.addOrder(orderItem);
+        return page;
+    }
+
+    private static OrderItem buildOrderItem(String orderByColumn, String isAsc) {
+        // 鍏煎鍓嶇鎺掑簭绫诲瀷
+        if ("ascending".equals(isAsc)) {
+            isAsc = "asc";
+        } else if ("descending".equals(isAsc)) {
+            isAsc = "desc";
+        }
+        if (StringUtils.isNotBlank(orderByColumn)) {
             String orderBy = SqlUtil.escapeOrderBySql(orderByColumn);
+            orderBy = StringUtils.toUnderScoreCase(orderBy);
             if ("asc".equals(isAsc)) {
-                page.addOrder(OrderItem.asc(orderBy));
+                return OrderItem.asc(orderBy);
             } else if ("desc".equals(isAsc)) {
-                page.addOrder(OrderItem.desc(orderBy));
+                return OrderItem.desc(orderBy);
             }
         }
-        return page;
+        return null;
     }
 
     public static <T, K> TableDataInfo<K> buildDataInfo(PagePlus<T, K> page) {
@@ -119,4 +137,11 @@
         return rspData;
     }
 
+    public static <T> TableDataInfo<T> buildDataInfo() {
+        TableDataInfo<T> rspData = new TableDataInfo<>();
+        rspData.setCode(HttpStatus.HTTP_OK);
+        rspData.setMsg("鏌ヨ鎴愬姛");
+        return rspData;
+    }
+
 }

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