当前位置:编程学习 > JS >>

JS分页控件,可用于无刷新分页

function PagerBar(recordcount, pagesize, pageindex, showpagecount) {
    var NumberRegex = new RegExp(/^\d+$/);
    this.PageIndex = 1; //页索引,当前页
    if (pageindex != null && NumberRegex.test(pageindex)) this.PageIndex = parseInt(pageindex);
    this.PageSize = 10; //页面大小
    if (pagesize != null && NumberRegex.test(pagesize)) this.PageSize = parseInt(pagesize);
    this.RecordCount = 0;
    if (recordcount != null && NumberRegex.test(recordcount)) this.RecordCount = parseInt(recordcount); //记录总数
    this.PageCount = 0;  //页总数
    var PagerBar = this;
    function CalculatePageCount(_pagesize, _recordcount) {//计算总页数
        if (_pagesize != null && NumberRegex.test(_pagesize)) PagerBar.PageSize = parseInt(_pagesize);
        if (_recordcount != null && NumberRegex.test(_recordcount)) PagerBar.RecordCount = parseInt(_recordcount);
        else PagerBar.RecordCount = 0;
        if (PagerBar.RecordCount % PagerBar.PageSize == 0) {//计算总也页数
            PagerBar.PageCount = parseInt(PagerBar.RecordCount / PagerBar.PageSize);
        }
        else {
            PagerBar.PageCount = parseInt(PagerBar.RecordCount / PagerBar.PageSize) + 1;
        }
    }
    if (this.RecordCount != 0) {//如果传入了记录总数则计算总页数
        CalculatePageCount(this.PageSize, this.RecordCount);
    }
    this.ReplaceString = "《#PageLink》"; //替换页数的文本,注:不可以有正则表达式中的符号
    this.ShowPagesCount = 5; //显示页数量
    if (showpagecount != null && NumberRegex.test(showpagecount.toString())) this.ShowPagesCount = parseInt(showpagecount);
    this.PreviouBarFormat = ""; //上一页显示文本格式
    this.IsShowPreviouString = true; //是否显示上一页
    this.NextBarFormat = ""; //下一页显示文本格式
    this.IsShowNextString = true; //是否显示下一页
    this.PageBarFormat = ""; //页面连接显示文本格式
    this.CurrentBarFormat = ""; //当前页显示文本格式
    this.IsShowPageString = true; //是否显示页索引
    this.FristBarFormat = ""; //首页链接显示文本格式
    this.IsShowFristString = true; //是否显示首页
    this.LastBarFormat = ""; //尾页显示文本格式
    this.IsShowLastString = true; //是否显示尾页
    this.CurrentRecordBarFormat = "当前记录{0}-{1}"; //当前记录显示文本格式
    this.IsShowCurrentRecordString = true; //是否显示当前记录
    this.CurrentPageBarFormat = "当前第" + this.ReplaceString + "页,共" + (this.PageCount == 0 ? 1 : this.PageCount) + "页"; //当前页文字说明文本格式
    this.IsShowCurrentPageString = true; //是否显示当前页文字说明文本
    this.OtherBarFormat = ""; //其他也显示文本
    this.IsShowOtherString = true; //是否显示其它页文本
    var regexp = new RegExp(this.ReplaceString, "g"); //替换页数文本正则表达式
    function GetFristPageString() {//获取首页文本
        if (PagerBar.FristBarFormat != "" && PagerBar.PageIndex != 1) {
            return PagerBar.FristBarFormat.replace(regexp, 1);
        }
        else {
            return "";
        }
    }
    function GetPreviouPageString() { //获取上一页文本
        if (PagerBar.PreviouBarFormat != "") {
            if (PagerBar.RecordCount > PagerBar.PageSize && PagerBar.PageIndex != 1) {//上一页HTML输出
                return PagerBar.PreviouBarFormat.replace(regexp, PagerBar.PageIndex - 1);
            }
            else {
                return "";
            }
        }
        else {
            return "";
        }
    }
    function GetPageString() {//获取中间页数链接
        var pagestr = "";
        if (PagerBar.CurrentBarFormat != "" && PagerBar.PageBarFormat != "") {
            var ShowPageFirest = PagerBar.PageIndex - parseInt(PagerBar.ShowPagesCount / 2 + 1) < 0 ? 0 : PagerBar.PageIndex - parseInt(PagerBar.ShowPagesCount / 2 + 1); //计算显示页数的其实页数
            if (PagerBar.PageCount < PagerBar.ShowPagesCount) {//当也总数小于显示页数量
                ShowPageFirest = 0;
            }
            else {
                if (PagerBar.PageIndex > (PagerBar.PageCount - parseInt(PagerBar.ShowPagesCount / 2 + 1))) {//当页总数在后几页显示
                    ShowPageFirest = PagerBar.PageCount - PagerBar.ShowPagesCount;
                }
            }
            for (var i = ShowPageFirest; i < ShowPageFirest + PagerBar.ShowPagesCount; i++) {//循环出书页数文本
                if (PagerBar.PageIndex == i + 1) {
                    pagestr += PagerBar.CurrentBarFormat.replace(regexp, i + 1);
                }
          &

补充:web前端 , JavaScript ,
CopyRight © 2022 站长资源库 编程知识问答 zzzyk.com All Rights Reserved
部分文章来自网络,