<script type="text/javascript">
var pageSize = 15; //The number of records displayed per page
var curPage=0; //Current page
var lastPage; //Last Page
var direct=0; �
var len;
var page; �
var begin;
var end;
$(document).ready(function display(){
len =$("#mytable tr").length - 1; // Find the total number of rows of this table and remove the first row introduction
page=len % pageSize==0 ? len/pageSize : (len/pageSize)+1;// Calculate the number of pages based on the number of records
// alert("page==="+page);
curPage=1; // Set the current to the first page
displayPage(1);//Show the first page
("btn0").innerHTML="Current " + curPage + "/" + page + " pages per page "; // Show how many pages are currently available
("sjzl").innerHTML="Total Data" + len + ""; // Display Data
("pageSize").value = pageSize;
$("#btn1").click(function firstPage(){ // Home Page
curPage=1;
direct = 0;
displayPage();
});
$("#btn2").click(function frontPage(){ // Previous page
direct=-1;
displayPage();
});
$("#btn3").click(function nextPage(){ // Next page
direct=1;
displayPage();
});
$("#btn4").click(function lastPage(){ // Last page
curPage=page;
direct = 0;
displayPage();
});
$("#btn5").click(function changePage(){ // Change page
curPage=("changePage").value * 1;
if (!/^[1-9]\d*$/.test(curPage)) {
alert("Please enter a positive integer");
return ;
}
if (curPage > page) {
alert("Exceeded data page");
return ;
}
direct = 0;
displayPage();
});
$("#pageSizeSet").click(function setPageSize(){ // Set how many records are displayed per page
pageSize = ("pageSize").value; //The number of records displayed per page
if (!/^[1-9]\d*$/.test(pageSize)) {
alert("Please enter a positive integer");
return ;
}
len =$("#mytable tr").length - 1;
page=len % pageSize==0 ? len/pageSize : (len/pageSize)+1;// Calculate the number of pages based on the number of records
curPage=1; �
direct=0; �
firstPage();
});
});
function displayPage(){
if(curPage <=1 && direct==-1){
direct=0;
alert("It's already the first page");
return;
} else if (curPage >= page && direct==1) {
direct=0;
alert("It's already the last page");
return ;
}
lastPage = curPage;
// Fixed the bug where curPage calculated 0 when len=1
if (len > pageSize) {
curPage = ((curPage + direct + len) % len);
} else {
curPage = 1;
}
("btn0").innerHTML="Current " + curPage + "/" + page + " pages per page "; // Show how many pages are currently
begin=(curPage-1)*pageSize + 1;// Start record number
end = begin + 1*pageSize - 1; // End record number
if(end > len ) end=len;
$("#mytable tr").hide(); // First, set this behavior to hide
$("#mytable tr").each(function(i){ // Then, determine whether the bank will resume display through the conditions
if((i>=begin && i<=end) || i==0 )//Show the record of begin<=x<=end
$(this).show();
});
}
</script>