페이징 유틸 추가

build.gradle

@@ -96,6 +96,9 @@ dependencies {
     /** mariaDB */
     implementation "org.mariadb.jdbc:mariadb-java-client:${mariadbClientVersion}"
 
+    /** pageHelper */
+    implementation "com.github.pagehelper:pagehelper-spring-boot-starter:${pageHelperVersion}"
+
     /** mybatis-spring-boot-starter */
     implementation "org.mybatis.spring.boot:mybatis-spring-boot-starter:${mybatisSpringBootVersion}"
 

gradle.properties

@@ -18,3 +18,4 @@ lombokVersion=1.18.34
 mybatisSpringBootVersion=3.0.3
 jsonVersion = 20240303
 mariadbClientVersion = 3.4.1
+pageHelperVersion = 1.4.7

src/main/java/io/company/localhost/utils/PageUtil.java

@@ -0,0 +1,50 @@
+package io.company.localhost.utils;
+
+import com.github.pagehelper.PageInfo;
+
+import java.util.Map;
+
+public class PageUtil {
+
+
+    public static PageInfo<Map<String , Object>> redefineNavigation(PageInfo<Map<String , Object>> list){
+
+        // 페이지 배열
+        int[] nav = list.getNavigatepageNums();
+        // 몇 페이지
+        int navigatePages = list.getNavigatePages();
+        // 현재 페이지
+        int currentPage = list.getPageNum();
+        // 총 페이지 수
+        int total = list.getPages();
+        // 배열 길이
+        int navLength = nav.length;
+
+        if(navLength != 0){
+            int ff = (int) Math.ceil((double) nav[navLength -1] / navigatePages);
+
+            int gg = ff * navigatePages;
+
+            if(gg - currentPage >= navigatePages){
+                gg = gg - navigatePages;
+            }else if(gg == 0){
+                gg = navigatePages;
+            }
+
+            if(gg > total && total >= navigatePages ){
+                navLength = total%navigatePages;
+            }
+
+            int[] nav2 = new int[navLength];
+            gg = gg - (navigatePages - 1);
+            for(int i = 0 ; i < nav2.length ; i++){
+                nav2[i] = gg++;
+            }
+            list.setNavigatepageNums(nav2);
+            list.setNavigateFirstPage(nav2[0]);
+            list.setNavigateLastPage(nav2[nav2.length -1]);
+        }
+
+        return list;
+    }
+}