修复部分分页接口的查询bug

novel-common/src/main/java/com/java2nb/novel/core/bean/PageBean.java

@@ -0,0 +1,53 @@
+package com.java2nb.novel.core.bean;
+
+import com.github.pagehelper.PageInfo;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 封装通用分页数据,接收PageHelper、SpringData等框架的分页数据，转换成通用的PageBean对象
+ * @author xiongxiaoyang
+ * @version 1.0
+ * @since 2021/2/4
+ * @param <T> 分页集合类型
+ */
+@Data
+public class PageBean<T> {
+
+    private Integer pageNum;
+    private Integer pageSize;
+    private Long total;
+    private List<? extends T> list;
+
+
+    /**
+     * 该构造函数用于PageHelper工具进行分页查询的场景
+     * 接收PageHelper分页后的list
+     */
+    public PageBean(List<T> list){
+        PageInfo<T> pageInfo = new PageInfo<>(list);
+        this.pageNum = pageInfo.getPageNum();
+        this.pageSize = pageInfo.getPageSize();
+        this.total = pageInfo.getTotal();
+        this.list = pageInfo.getList();
+
+    }
+
+    /**
+     * 该构造函数用于通用分页查询的场景
+     * 接收普通分页数据和普通集合
+     */
+    public PageBean(Integer pageNum, Integer pageSize, Long total, List<T> list) {
+        this.pageNum = pageNum;
+        this.pageSize = pageSize;
+        this.total = total;
+        this.list = list;
+    }
+
+
+    //TODO 使用其他的分页工具或框架进行分页查询的场景
+
+
+
+}