Thymeleaf分页模板

学习笔记
90 words , 1 mins.

经常在用 Thymeleaf 分页，很多基础的知识已经有点淡忘了，今天做到了分页部分，发现连最基础的逻辑比较都记不清了。于是花了点时间又看了下 Thymeleaf 的基础知识，做了一个相当简陋的分页，记录一下以后翻用。

分页工具类：

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package com.bill.util;

import lombok.Data;

import java.util.List;

/**
 * 分页工具类，获取分页相关数据项。
 *
 * @author zhulongkun20@163.com
 * @since 2019/12/29 4:01 下午
 */
@Data
public class PageHelper<T> {
    // 当前页码
    private int currentPage;
    // 每页数据量
    private int pageSize;
    // 总页数
    private int totalPage;
    // 总数据量
    private int totalCount;
    // 返回数据
    private List<T> dataList;
    // 是否为第一页
    private boolean isFirstPage;
    // 是否是最后一页
    private boolean isLastPage;
    // 是否有前一页
    private boolean hasPreviousPage;
    // 是否有后一页
    private boolean hasNextPage;

    public PageHelper(int currenPage, int pageSize, int totalCount, List<T> dataList) {
        this.currentPage = currenPage;
        this.pageSize = pageSize;
        this.totalCount = totalCount;
        this.dataList = dataList;

        if (totalCount % pageSize == 0) {
            this.totalPage = totalCount / pageSize;
        } else {
            this.totalPage = totalCount / pageSize + 1;
        }

        this.isFirstPage = (currentPage == 1);

        this.isLastPage = (currentPage == totalPage);

        this.hasNextPage = !isLastPage;

        this.hasPreviousPage = !isFirstPage;
    }
}

Thymeleaf模板：

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<ul class="pagination" style="float: right;">
    <li>
        <a href="#" th:href="@{billContent.do?page=1}">&laquo;</a>
    </li>
    <li th:if="${pageHelper.getCurrentPage() - 2} &gt; 0">
        <a th:text="${pageHelper.getCurrentPage() - 2}"
           th:href="@{'billContent.do?page=' + ${pageHelper.getCurrentPage() - 2}}">1</a>
    </li>
    <li th:if="${pageHelper.getCurrentPage() - 1} &gt; 0">
        <a th:text="${pageHelper.getCurrentPage() - 1}"
           th:href="@{'billContent.do?page=' + ${pageHelper.getCurrentPage() - 1}}">1</a>
    </li>
    <li class="active">
        <a th:text="${pageHelper.getCurrentPage()}" th:href="@{'billContent.do?page=' + ${pageHelper.getCurrentPage()}}">1</a>
    </li>
    <li th:if="${pageHelper.getCurrentPage() + 1} &lt; ${pageHelper.getTotalPage() + 1}">
        <a th:text="${pageHelper.getCurrentPage() + 1}"
           th:href="@{'billContent.do?page=' + ${pageHelper.getCurrentPage() + 1}}">1</a>
    </li>
    <li th:if="${pageHelper.getCurrentPage() + 2} &lt; ${pageHelper.getTotalPage() + 1}">
        <a th:text="${pageHelper.getCurrentPage() + 2}"
           th:href="@{'billContent.do?page=' + ${pageHelper.getCurrentPage() + 2}}">1</a>
    </li>
    <li>
        <a href="#" th:href="@{'billContent.do?page=' + ${pageHelper.getTotalPage()}}">&raquo;</a>
    </li>
</ul>