102 lines
3.3 KiB
Java
102 lines
3.3 KiB
Java
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package com.ruoyi.common.utils;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.http.HttpStatus;
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import com.baomidou.mybatisplus.core.metadata.OrderItem;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.ruoyi.common.core.page.PagePlus;
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import com.ruoyi.common.core.page.TableDataInfo;
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import com.ruoyi.common.utils.sql.SqlUtil;
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import java.util.List;
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/**
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* 分页工具
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*
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* @author Lion Li
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*/
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public class PageUtils {
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/**
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* 当前记录起始索引
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*/
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public static final String PAGE_NUM = "pageNum";
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/**
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* 每页显示记录数
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*/
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public static final String PAGE_SIZE = "pageSize";
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/**
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* 排序列
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*/
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public static final String ORDER_BY_COLUMN = "orderByColumn";
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/**
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* 排序的方向 "desc" 或者 "asc".
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*/
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public static final String IS_ASC = "isAsc";
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public static <T, K> PagePlus<T, K> buildPagePlus() {
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Integer pageNum = ServletUtils.getParameterToInt(PAGE_NUM);
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Integer pageSize = ServletUtils.getParameterToInt(PAGE_SIZE);
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String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN);
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String isAsc = ServletUtils.getParameter(IS_ASC);
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PagePlus<T, K> page = new PagePlus<>(pageNum, pageSize);
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if (StrUtil.isNotBlank(orderByColumn)) {
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String orderBy = SqlUtil.escapeOrderBySql(orderByColumn);
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if ("asc".equals(isAsc)) {
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page.addOrder(OrderItem.asc(orderBy));
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} else if ("desc".equals(isAsc)) {
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page.addOrder(OrderItem.desc(orderBy));
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}
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}
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return page;
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}
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public static <T> Page<T> buildPage() {
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Integer pageNum = ServletUtils.getParameterToInt(PAGE_NUM);
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Integer pageSize = ServletUtils.getParameterToInt(PAGE_SIZE);
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String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN);
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String isAsc = ServletUtils.getParameter(IS_ASC);
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Page<T> page = new Page<>(pageNum, pageSize);
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if (StrUtil.isNotBlank(orderByColumn)) {
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String orderBy = SqlUtil.escapeOrderBySql(orderByColumn);
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if ("asc".equals(isAsc)) {
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page.addOrder(OrderItem.asc(orderBy));
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} else if ("desc".equals(isAsc)) {
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page.addOrder(OrderItem.desc(orderBy));
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}
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}
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return page;
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}
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public static <T, K> TableDataInfo<K> buildDataInfo(PagePlus<T, K> page) {
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TableDataInfo<K> rspData = new TableDataInfo<>();
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rspData.setCode(HttpStatus.HTTP_OK);
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rspData.setMsg("查询成功");
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rspData.setRows(page.getRecordsVo());
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rspData.setTotal(page.getTotal());
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return rspData;
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}
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public static <T> TableDataInfo<T> buildDataInfo(Page<T> page) {
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TableDataInfo<T> rspData = new TableDataInfo<>();
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rspData.setCode(HttpStatus.HTTP_OK);
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rspData.setMsg("查询成功");
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rspData.setRows(page.getRecords());
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rspData.setTotal(page.getTotal());
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return rspData;
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}
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public static <T> TableDataInfo<T> buildDataInfo(List<T> list) {
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TableDataInfo<T> rspData = new TableDataInfo<>();
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rspData.setCode(HttpStatus.HTTP_OK);
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rspData.setMsg("查询成功");
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rspData.setRows(list);
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rspData.setTotal(list.size());
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return rspData;
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}
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}
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