自定义数据分页标签

电玩女神 2021-12-17 06:25 319阅读 0赞

pageModel类存放分页信息

package com.bookstore.Beans;
    
    /**
     * company: www.abc.com
     * Author: ASUS
     * Create Data: 2019/3/11
     */
    public class PageModel {
        /**
         * 分页总数据条数
         */
        private int recordCount;
        /**
         * 当前页面
         */
        private int pageIndex;
        /**
         * 每页分多少条数据
         */
        private int pageSize = 4;
    
        /**
         * 总页数
         */
        private int totalSize;
    
        public int getRecordCount() {
            this.recordCount = this.recordCount <= 0 ? 0 : this.recordCount;
            return recordCount;
        }
    
        public void setRecordCount(int recordCount) {
            this.recordCount = recordCount;
        }
    
        public int getPageIndex() {
            this.pageIndex = this.pageIndex;// <= 0?1:this.pageIndex;
            /** 判断当前页面是否超过了总页数:如果超过了默认给最后一页作为当前页  */
            //this.pageIndex = this.pageIndex>=this.getTotalSize()?this.getTotalSize():this.pageIndex;
    
            return pageIndex;
        }
    
        public void setPageIndex(int pageIndex) {
            this.pageIndex = pageIndex;
        }
    
        public int getPageSize() {
            //this.pageSize = pageSize;
            return pageSize;
        }
    
        public void setPageSize(int pageSize) {
            this.pageSize = pageSize;
        }
    
        public int getTotalSize() {
            if (this.getRecordCount() <= 0) {
                totalSize = 0;
            } else {
                totalSize = (this.getRecordCount() - 1) / this.getPageSize() + 1;
            }
            return totalSize;
        }
    
    
        public int getFirstLimitParam() {
            return (this.getPageIndex() - 1) * this.getPageSize();
        }
    
    }

page.tld文件

<?xml version="1.0" encoding="utf-8"?>
    <taglib xmlns="http://java.sun.com/xml/ns/javaee"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
                            http://java.sun.com/xml/ns/javaee/web-jsptaglibrary_2_1.xsd"
            version="2.1">
    
        
        <description>Pager 1.0 core library</description>
        
        <display-name>Pager core</display-name>
        
        <tlib-version>1.0</tlib-version>
        
        <short-name>fkjava</short-name>
        
        <uri>http://ln.pager-tags</uri>
    
        
        <tag>
            
            <name>pager</name>
            
            <tag-class>com.bookstore.utils.PageTag</tag-class>
            
            <body-content>empty</body-content>
    
            
            <attribute>
                
                <name>pageIndex</name>
                
                <required>true</required>
                
                <rtexprvalue>true</rtexprvalue>
            </attribute>
    
            
            <attribute>
                
                <name>pageSize</name>
                
                <required>true</required>
                
                <rtexprvalue>true</rtexprvalue>
            </attribute>
            
            <attribute>
                
                <name>recordCount</name>
                
                <required>true</required>
                
                <rtexprvalue>true</rtexprvalue>
            </attribute>
            
            <attribute>
                
                <name>submitUrl</name>
                
                <required>true</required>
                
                <rtexprvalue>true</rtexprvalue>
            </attribute>
            
            <attribute>
                
                <name>style</name>
                
                <required>false</required>
                
                <rtexprvalue>true</rtexprvalue>
            </attribute>
        </tag>
    </taglib>

前台页面中的显示信息

<%@ taglib prefix="ln" uri="http://ln.pager-tags" %>

转载于:https://www.cnblogs.com/liuna369-4369/p/10931055.html