The JS paging control can be used for refreshing new pages.

JS paging control, which can be used for refreshing new pages

Copy codeThe Code is as follows:
Function PagerBar (recordcount, pagesize, pageindex, showpagecount ){
Var NumberRegex = new RegExp (/^ \ d + $ /);
This. PageIndex = 1; // page index, current page
If (pageindex! = Null & NumberRegex. test (pageindex) this. PageIndex = parseInt (pageindex );
This. PageSize = 10; // page size
If (pagesize! = Null & NumberRegex. test (pagesize) this. PageSize = parseInt (pagesize );
This. RecordCount = 0;
If (recordcount! = Null & NumberRegex. test (recordcount) this. RecordCount = parseInt (recordcount); // The total number of records
This. PageCount = 0; // total number of pages
Var PagerBar = this;
Function CalculatePageCount (_ pagesize, _ recordcount) {// calculate the total number of pages
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) {// calculate the total number of pages
PagerBar. PageCount = parseInt (PagerBar. RecordCount/PagerBar. PageSize );
}
Else {
PagerBar. PageCount = parseInt (PagerBar. RecordCount/PagerBar. PageSize) + 1;
}
}
If (this. RecordCount! = 0) {// if the total number of records is input, the total number of pages is calculated.
CalculatePageCount (this. PageSize, this. RecordCount );
}
This. ReplaceString = "# PageLink"; // Replace the page number of text. Note: Symbols in regular expressions are not allowed.
This. ShowPagesCount = 5; // Number of displayed pages
If (showpagecount! = Null & NumberRegex. test (showpagecount. toString () this. ShowPagesCount = parseInt (showpagecount );
This. previubarformat = ""; // text format displayed on the previous page
This. IsShowPreviouString = true; // whether the previous page is displayed
This. NextBarFormat = ""; // text format displayed on the next page
This. IsShowNextString = true; // whether to display the next page
This. PageBarFormat = ""; // display text format of page connections
This. CurrentBarFormat = ""; // text format displayed on the current page
This. IsShowPageString = true; // whether to display the page index
This. FristBarFormat = ""; // text format displayed on the homepage Link
This. IsShowFristString = true; // whether to display the homepage
This. LastBarFormat = ""; // text format displayed on the last page
This. IsShowLastString = true; // whether the last page is displayed
This. CurrentRecordBarFormat = "current record {0}-{1}"; // text format of the current record
This. IsShowCurrentRecordString = true; // whether the current record is displayed
This. CurrentPageBarFormat = "current number" + this. ReplaceString + "Page, total" + (this. PageCount = 0? 1: this. PageCount) + "page"; // text description text format on the current page
This. IsShowCurrentPageString = true; // whether the text description of the current page is displayed
This. OtherBarFormat = ""; // others also display text
This. IsShowOtherString = true; // whether other page text is displayed
Var regexp = new RegExp (this. ReplaceString, "g"); // Replace the regular expression of the number of pages.
Function GetFristPageString () {// get the homepage text
If (PagerBar. FristBarFormat! = "" & PagerBar. PageIndex! = 1 ){
Return PagerBar. FristBarFormat. replace (regexp, 1 );
}
Else {
Return "";
}
}
Function getpreviupagestring () {// obtain the text of the previous page
If (PagerBar. previubarformat! = ""){
If (PagerBar. RecordCount> PagerBar. PageSize & PagerBar. PageIndex! = 1) {// HTML output of the previous page
Return PagerBar. previubarformat. replace (regexp, PagerBar. PageIndex-1 );
}
Else {
Return "";
}
}
Else {
Return "";
}
}
Function GetPageString () {// gets the link to the intermediate page number
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); // calculate the actual number of pages displayed
If (PagerBar. PageCount <PagerBar. ShowPagesCount) {// The total number of displayed pages is smaller
ShowPageFirest = 0;
}
Else {
If (PagerBar. PageIndex> (PagerBar. PageCount-parseInt (PagerBar. ShowPagesCount/2 + 1) {// when the total number of pages is displayed on the last few pages
ShowPageFirest = PagerBar. PageCount-PagerBar. ShowPagesCount;
}
}
For (var I = ShowPageFirest; I <ShowPageFirest + PagerBar. ShowPagesCount; I ++) {// print the number of pages in a loop
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) {// pick out the loop when the total number of pages reaches
Break;
}
}
}
Return pagestr;
}
Function GetNextPageString () {// gets the next page Link
If (PagerBar. NextBarFormat! = ""){
If (PagerBar. RecordCount> PagerBar. PageSize & PagerBar. PageIndex! = PagerBar. PageCount) {// output the next HTMl page
Return PagerBar. NextBarFormat. replace (regexp, PagerBar. PageIndex + 1 );
}
Else {
Return "";
}
}
Else {
Return "";
}
}
Function GetLastPageString () {// get the link to the last page
If (PagerBar. LastBarFormat! = "" & PagerBar. PageIndex! = PagerBar. PageCount & PagerBar. RecordCount! = 0 ){
Return PagerBar. LastBarFormat. replace (regexp, PagerBar. PageCount );
}
Else {
Return "";
}
}

Function GetFrontOtherPageString () {// obtain the previous link to another page
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 () {// other page links after Retrieval
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 () {// get the current record text
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 () {// get the current page record text
If (PagerBar. CurrentPageBarFormat! = ""){
Return PagerBar. CurrentPageBarFormat. replace (regexp, PagerBar. PageIndex );
}
Else return "";
}
This. GetString = function (pageindex) {// output HTML code (all Mode)
If (pageindex! = Null & NumberRegex. test (pageindex) {// If a page index is input, the value is assigned.
This. PageIndex = parseInt (pageindex );
}
If (this. PageCount = 0) {// if the total number of pages is not calculated, the total number of pages is calculated.
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 + = getpreviupagestring ();
}
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) {// If a page index is input, the value is assigned.
This. PageIndex = parseInt (pageindex );
}
If (this. PageCount = 0) {// if the total number of pages is not calculated, the total number of pages is calculated.
CalculatePageCount (this. PageSize, this. RecordCount );
}
Var pagestr = "";
Pagestr + = GetFristPageString ();
Pagestr + = getpreviupagestring ();
Pagestr + = GetPageString ();
Pagestr + = GetNextPageString ();
Pagestr + = GetLastPageString ();
Return pagestr;
}
This. GetSimpleString = function (pageindex ){
If (pageindex! = Null & NumberRegex. test (pageindex) {// If a page index is input, the value is assigned.
This. PageIndex = parseInt (pageindex );
}
If (this. PageCount = 0) {// if the total number of pages is not calculated, the total number of pages is calculated.
CalculatePageCount (this. PageSize, this. RecordCount );
}
Var pagestr = "";
Pagestr + = getpreviupagestring ();
Pagestr + = GetCurrentPageBarString ();
Pagestr + = GetNextPageString ();
Return pagestr;
}
}

Example:

None

Knowledge points required in the content
Pagination character # PageLink