JS分页控件 可用于无刷新分页

  JS分页控件,可用于无刷新分页

  

复制代码 代码如下:

  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);

  }

  else {

  pagestr += PagerBar.PageBarFormat.replace(regexp, i + 1);

  }

  if (i >= PagerBar.PageCount - 1) {//当到达页总数的时候挑出循环

  break;

  }

  }

  }

  return pagestr;

  }

  function GetNextPageString() {//获取下一页链接

  if (PagerBar.NextBarFormat != "") {

  if (PagerBar.RecordCount > PagerBar.PageSize && PagerBar.PageIndex != PagerBar.PageCount) {//输出下一页HTMl

  return PagerBar.NextBarFormat.replace(regexp, PagerBar.PageIndex + 1);

  }

  else {

  return "";

  }

  }

  else {

  return "";

  }

  }

  function GetLastPageString() {//获取尾页链接

  if (PagerBar.LastBarFormat != "" && PagerBar.PageIndex != PagerBar.PageCount && PagerBar.RecordCount != 0) {

  return PagerBar.LastBarFormat.replace(regexp, PagerBar.PageCount);

  }

  else {

  return "";

  }

  }

  function GetFrontOtherPageString() {//获取前其它页链接

  if (PagerBar.OtherBarFormat != "") {

  if (PagerBar.PageIndex > PagerBar.ShowPagesCount / 2 + 1) {

  return PagerBar.OtherBarFormat.replace(regexp, PagerBar.PageIndex - PagerBar.ShowPagesCount <= 0 ? 1 : PagerBar.PageIndex - PagerBar.ShowPagesCount)

  }

  else {

  return "";

  }

  }

  else {

  return "";

  }

  }

  function GetAfterOtherPageString() {//获取后其它页链接

  if (PagerBar.OtherBarFormat != "") {

  if (PagerBar.PageIndex <= PagerBar.PageCount - PagerBar.ShowPagesCount / 2) {

  return PagerBar.OtherBarFormat.replace(regexp,

  PagerBar.PageIndex + PagerBar.ShowPagesCount >= PagerBar.PageCount ? PagerBar.PageCount : PagerBar.PageIndex + PagerBar.ShowPagesCount);

  }

  else {

  return "";

  }

  }

  else {

  return "";

  }

  }

  function GetCurrentRecordPageString() {//获取当前记录文本

  if (PagerBar.CurrentRecordBarFormat != "") {

  if (PagerBar.RecordCount == 0) {

  return "";

  }

  else {

  return PagerBar.CurrentRecordBarFormat.replace("{0}", (PagerBar.PageIndex - 1) * PagerBar.PageSize + 1).replace("{1}", PagerBar.PageIndex * PagerBar.PageSize > PagerBar.RecordCount ? PagerBar.RecordCount : PagerBar.PageIndex * PagerBar.PageSize);

  }

  }

  else return "";

  }

  function GetCurrentPageBarString() {//获取当前页记录文本

  if (PagerBar.CurrentPageBarFormat != "") {

  return PagerBar.CurrentPageBarFormat.replace(regexp, PagerBar.PageIndex);

  }

  else return "";

  }

  this.GetString = function (pageindex) {//输出HTML代码(全部模式)

  if (pageindex != null && NumberRegex.test(pageindex)) {//如果传入了页索引则赋值

  this.PageIndex = parseInt(pageindex);

  }

  if (this.PageCount == 0) {//如果没有计算过页总数,则计算页总数

  CalculatePageCount(this.PageSize, this.RecordCount);

  }

  var pagestr = "";

  if (this.IsShowCurrentPageString) {

  pagestr = GetCurrentPageBarString();

  }

  if (this.IsShowCurrentRecordString) {

  pagestr += GetCurrentRecordPageString();

  }

  if (this.IsShowFristString) {

  pagestr += GetFristPageString();

  }

  if (this.IsShowPreviouString) {

  pagestr += GetPreviouPageString();

  }

  if (this.IsShowOtherString) {

  pagestr += GetFrontOtherPageString();

  }

  if (this.IsShowPageString) {

  pagestr += GetPageString();

  }

  if (this.IsShowOtherString) {

  pagestr += GetAfterOtherPageString();

  }

  if (this.IsShowNextString) {

  pagestr += GetNextPageString();

  }

  if (this.IsShowLastString) {

  pagestr += GetLastPageString();

  }

  return pagestr;

  }

  this.GetNormalString = function (pageindex) {

  if (pageindex != null && NumberRegex.test(pageindex)) {//如果传入了页索引则赋值

  this.PageIndex = parseInt(pageindex);

  }

  if (this.PageCount == 0) {//如果没有计算过页总数,则计算页总数

  CalculatePageCount(this.PageSize, this.RecordCount);

  }

  var pagestr = "";

  pagestr += GetFristPageString();

  pagestr += GetPreviouPageString();

  pagestr += GetPageString();

  pagestr += GetNextPageString();

  pagestr += GetLastPageString();

  return pagestr;

  }

  this.GetSimpleString = function (pageindex) {

  if (pageindex != null && NumberRegex.test(pageindex)) {//如果传入了页索引则赋值

  this.PageIndex = parseInt(pageindex);

  }

  if (this.PageCount == 0) {//如果没有计算过页总数,则计算页总数

  CalculatePageCount(this.PageSize, this.RecordCount);

  }

  var pagestr = "";

  pagestr += GetPreviouPageString();

  pagestr += GetCurrentPageBarString();

  pagestr += GetNextPageString();

  return pagestr;

  }

  }

  使用示例:

  暂无

  内容中需要的知识点

  分页符《#PageLink》