package com.stylefeng.guns.core.common.constant.factory;
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import com.baomidou.mybatisplus.plugins.Page;
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import com.stylefeng.guns.core.common.constant.state.Order;
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import com.stylefeng.guns.core.support.HttpKit;
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import com.stylefeng.guns.core.util.ToolUtil;
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import javax.servlet.http.HttpServletRequest;
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/**
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* BootStrap Table默认的分页参数创建
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*
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* @author fengshuonan
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* @date 2017-04-05 22:25
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*/
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public class PageFactory<T> {
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public Page<T> defaultPage() {
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HttpServletRequest request = HttpKit.getRequest();
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int limit = Integer.valueOf(request.getParameter("limit")); //每页多少条数据
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int offset = Integer.valueOf(request.getParameter("offset")); //每页的偏移量(本页当前有多少条)
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String sort = request.getParameter("sort"); //排序字段名称
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String order = request.getParameter("order"); //asc或desc(升序或降序)
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if (ToolUtil.isEmpty(sort)) {
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Page<T> page = new Page<>((offset / limit + 1), limit);
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page.setOpenSort(false);
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return page;
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} else {
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Page<T> page = new Page<>((offset / limit + 1), limit, sort);
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if (Order.ASC.getDes().equals(order)) {
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page.setAsc(true);
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} else {
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page.setAsc(false);
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}
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return page;
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}
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}
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}
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