优化

platform-service/src/main/java/com/platform/service/util/PageUtils.java

@@ -0,0 +1,43 @@
+package com.platform.service.util;
+
+import com.platform.common.bean.AbstractPageResultBean;
+import com.platform.dao.bean.MyPage;
+import lombok.experimental.UtilityClass;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+/**
+ * @Description web 工具类
+ * @Author chenyuehu
+ * @Date 2019/5/7
+ * @Version Copyright (c) 2019,北京乾元坤和科技有限公司 All rights reserved.
+ */
+@Slf4j
+@UtilityClass
+public class PageUtils {
+    public static <T> AbstractPageResultBean<T> getPageInfo(Integer pageNum, Integer pageSize, List<T> list){
+        AbstractPageResultBean<T> pageInfo = new MyPage(list);
+        pageInfo.setPageNum(pageNum);
+        pageInfo.setPageSize(pageSize);
+        List<T> dataList = new ArrayList<>();
+        for (int i = pageSize*(pageNum-1);i<pageSize*pageNum;i++){
+            if (i<list.size()) {
+                dataList.add(list.get(i));
+            }
+        }
+        pageInfo.setRows(dataList);
+        if (list!=null&&list.size()>0){
+            int pages = list.size()%pageSize==0?list.size()/pageSize:(list.size()/pageSize)+1;
+            pageInfo.setPages(pages);
+        }else {
+            pageInfo.setPages(0);
+        }
+        pageInfo.setTotal((long)list.size());
+        return pageInfo;
+    }
+
+}
+