javascript table with scroll bar, fixed title, and sorting function._javascript skills

Copy code The code is as follows:

//使用要求:
//1.将表格的Class命名为:sorttableHold,
//2.表格放置在一个div中,此div设有overflow属性.
//3.表格要求有ID,div要求有ID
//4.要有JQuery.min.js文件
//5.OK.


addEvent(window, "load", sortables_init);

var SORT_COLUMN_INDEX;

function sortables_init() {
// Find all tables with class sortable and make them sortable
if (!document.getElementsByTagName) return;
tbls = document.getElementsByTagName("table");
for (ti=0;tithisTbl = tbls[ti];
if (((' '+thisTbl.className+' ').indexOf("sorttableHold") != -1) && (thisTbl.id)) {
//initTable(thisTbl.id);
ts_makeSortable(thisTbl);
}
}
}

function ts_makeSortable(table) {
if (table.rows && table.rows.length > 0) {
var firstRow = table.rows[0];
}
if (!firstRow) return;

// We have a first row: assume it's the header, and make its contents clickable links
for (var i=0;ivar cell = firstRow.cells[i];
var txt = ts_getInnerText(cell);
cell.innerHTML = ''onclick="ts_resortTable(this, '+i+');return false;">' +
txt+'   ';
}
if(table!=undefined)//分离
{
$('

').insertBefore('#' table.parentNode.parentNode.id);//Create DIV
var div_title=document.getElementById(table.id 'Title');
var title = table.cloneNode( true)//Copy all to title
for(i = title.rows.length -1;i >0;i--)//Delete all the content in title, leaving only the first line, that is Title
title.deleteRow(i)
table.deleteRow(0)//The first row (title) in the GridView is deleted, so there is only the content.
div_title.appendChild(title) //The title is given to the div
$("#" div_title.id " table:eq(0)").attr("id",div_title.id "1");
$(table).removeAttr("class");
}

}
function ts_getInnerText(el) {
if (typeof el == "string") return el;
if (typeof el == "undefined") { return el };
if (el.innerText) return el.innerText; //Not needed but it is faster
var str = "";

var cs = el.childNodes;
var l = cs.length;
for (var i = 0; i < l; i ) {
switch (cs[i].nodeType) {
case 1: //ELEMENT_NODE
str = ts_getInnerText(cs[i]);
break;
case 3: //TEXT_NODE
str = cs[i].nodeValue;
break;
}
}
return str;
}

function ts_resortTable(lnk,clid) {
// get the span
var span;
for (var ci=0;ci< lnk.childNodes.length;ci ) {//Get the Span in the title
if (lnk.childNodes[ci].tagName && lnk.childNodes[ci].tagName.toLowerCase() == 'span') span = lnk.childNodes[ci];
}
var spantext = ts_getInnerText(span); // Title Span content
var td = lnk.parentNode; // Cell
var column = clid || td.cellIndex;//Column
var tablecurrent = getParent(td,'TABLE');//Table
var tableid=tablecurrent.id.substring(0,tablecurrent.id.length-6);
var table=document.getElementById(tableid);
// Work out a type for the column
if (table.rows.length <= 1) return;
var itm = ts_getInnerText(table. rows[0].cells[column]);
sortfn = ts_sort_caseinsensitive;
if (itm.match(/^dd[/-]dd[/-]dddd$/)) sortfn = ts_sort_date;
if (itm.match(/^dd[/-]dd[/-]dd$/)) sortfn = ts_sort_date;
if (itm.match(/^[?]/)) sortfn = ts_sort_currency;
if (itm.match(/^[d.] $/)) sortfn = ts_sort_numeric;
SORT_COLUMN_INDEX = column;
var firstRow = new Array();
var newRows = new Array() ;
for (i=0;ifor (j=0;j< ;table.rows.length;j ) { newRows[j] = table.rows[j]; }

newRows.sort(sortfn);

if (span.getAttribute("sortdir ") == 'down') {
ARROW = ' ↑';
newRows.reverse();
span.setAttribute('sortdir','up');
} else {
ARROW = ' ↓';
span.setAttribute('sortdir','down');
}

// We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
// don't do sortbottom rows
for (i=0;i{ if (!newRows[i].className || (newRows [i].className && (newRows[i].className.indexOf('sortbottom') == -1))) table.tBodies[0].appendChild(newRows[i]);}
// do sortbottom rows only
for (i=0;i{ if (newRows[i].className && (newRows[i].className.indexOf('sortbottom') != -1 )) table.tBodies[0].appendChild(newRows[i]);}

// Delete any other arrows there may be showing
var allspans = document.getElementsByTagName("span");
for (var ci=0;ciif (allspans[ci].className == 'sortarrow') {
if (getParent(allspans[ci],"table ") == getParent(lnk,"table")) { // in the same table as us?
allspans[ci].innerHTML = ' ';
}
}
}

span.innerHTML = ARROW;
$('#' tableid ' tr:even').css("background-color","FFF7E8");
$('#' tableid ' tr :odd').css("background-color","#CCE8CF");
}

function getParent(el, pTagName) {
if (el == null) return null;
else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase()) // Gecko bug, supposed to be uppercase
return el;
else
return getParent(el.parentNode, pTagName);
}
function ts_sort_date(a,b) {
// y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
if (aa.length == 10) {
dt1 = aa .substr(6,4) aa.substr(3,2) aa.substr(0,2);
} else {
yr = aa.substr(6,2);
if (parseInt (yr) < 50) { yr = '20' yr; } else { yr = '19' yr; }
dt1 = yr aa.substr(3,2) aa.substr(0,2);
}
if (bb.length == 10) {
dt2 = bb.substr(6,4) bb.substr(3,2) bb.substr(0,2);
} else {
yr = bb.substr(6,2);
if (parseInt(yr) < 50) { yr = '20' yr; } else { yr = '19' yr; }
dt2 = yr bb.substr(3,2) bb.substr(0,2);
}
if (dt1==dt2) return 0;
if (dt1return 1;
}

function ts_sort_currency(a,b) {
aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');
bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');
return parseFloat(aa) - parseFloat(bb);
}

function ts_sort_numeric(a,b) {
aa = parseFloat(ts_getInnerText(a.cells[SORT_COLUMN_INDEX]));
if (isNaN(aa)) aa = 0;
bb = parseFloat(ts_getInnerText(b.cells[SORT_COLUMN_INDEX]));
if (isNaN(bb)) bb = 0;
return aa-bb;
}

function ts_sort_caseinsensitive(a,b) {
aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).toLowerCase();
bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).toLowerCase();
if (aa==bb) return 0;
if (aareturn 1;
}

function ts_sort_default(a,b) {
aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
if (aa==bb) return 0;
if (aareturn 1;
}


function addEvent(elm, evType, fn, useCapture)
// addEvent and removeEvent
// cross-browser event handling for IE5 , NS6 and Mozilla
// By Scott Andrew
{
if (elm.addEventListener){
elm.addEventListener(evType, fn, useCapture);
return true;
} else if (elm.attachEvent){
var r = elm.attachEvent("on" evType, fn);
return r;
} else {
alert("Handler could not be removed");
}
}