function scrolify(tblAsJQueryObject, height) {
var oTbl = tblAsJQueryObject;
// for very large tables you can remove the four lines below
// and wrap the table with <div> in the mark-up and assign
// height and overflow property
var oTblDiv = $("<div/>");
oTblDiv.css('height', height);
oTblDiv.css('overflow', 'scroll');
oTbl.wrap(oTblDiv);
// save original width
oTbl.attr("data-item-original-width", oTbl.width());
oTbl.find('thead tr td').each(function() {
$(this).attr("data-item-original-width", $(this).width());
});
oTbl.find('tbody tr:eq(0) td').each(function() {
$(this).attr("data-item-original-width", $(this).width());
});
// clone the original table
var newTbl = oTbl.clone();
// remove table header from original table
oTbl.find('thead tr').remove();
// remove table body from new table
newTbl.find('tbody tr').remove();
oTbl.parent().parent().prepend(newTbl);
newTbl.wrap("<div/>");
// replace ORIGINAL COLUMN width
newTbl.width(newTbl.attr('data-item-original-width'));
newTbl.find('thead tr td').each(function() {
$(this).width($(this).attr("data-item-original-width"));
});
oTbl.width(oTbl.attr('data-item-original-width'));
oTbl.find('tbody tr:eq(0) td').each(function() {
$(this).width($(this).attr("data-item-original-width"));
});
}
$(document).ready(function() {
scrolify($('#tblNeedsScrolling'), 160); // 160 is height
});
jQuery.fn.scrollableTable = function () {
var $newTable, $oldTable, $scrollableDiv, originalWidths;
$oldTable = $(this);
// Once the tables are split, their cell widths may change.
// Grab these so we can make the two tables match again.
originalWidths = $oldTable.find('tr:first td').map(function() {
return $(this).width();
});
$newTable = $oldTable.clone();
$oldTable.find('tbody').remove();
$newTable.find('thead').remove();
$.each([$oldTable, $newTable], function(index, $table) {
$table.find('tr:first td').each(function(i) {
$(this).width(originalWidths[i]);
});
});
$scrollableDiv = $('<div/>').addClass('scrollable');
$newTable.insertAfter($oldTable).wrap($scrollableDiv);
};
jQuery.fn.scrollableTable = function(options) {
var $originalTable, $headTable, $bodyTable, $footTable, $scrollableDiv, originalWidths;
// Prepare the separate parts of the table
$originalTable = $(this);
$headTable = $originalTable.clone();
$headTable.find('tbody').remove();
$headTable.find('tfoot').remove();
$bodyTable = $originalTable.clone();
$bodyTable.find('thead').remove();
$bodyTable.find('tfoot').remove();
$footTable = $originalTable.clone();
$footTable.find('thead').remove();
$footTable.find('tbody').remove();
// Grab the original column widths and set them in the separate tables
originalWidths = $originalTable.find('tr:first td').map(function() {
return $(this).width();
});
$.each([$headTable, $bodyTable, $footTable], function(index, $table) {
$table.find('tr:first td').each(function(i) {
$(this).width(originalWidths[i]);
});
});
// The div that makes the body table scroll
$scrollableDiv = $('<div/>').css({
'overflow-y': 'scroll'
});
if(options.height) {
$scrollableDiv.css({'height': options.height});
}
else if(options.maxHeight) {
$scrollableDiv.css({'max-height': options.maxHeight});
}
// Add the new separate tables and remove the original one
$headTable.insertAfter($originalTable);
$bodyTable.insertAfter($headTable);
$footTable.insertAfter($bodyTable);
$bodyTable.wrap($scrollableDiv);
$originalTable.remove();
};
Putting some text here to differentiate between the header
aligning with the top of the screen and the header aligning
with the top of one of its ancestor containers.
<div id="positioning-container">
<div id="scroll-container">
<table>
<colgroup>
<col class="col1"></col>
<col class="col2"></col>
</colgroup>
<thead>
<th class="header-col1"><div>Header 1</div></th>
<th class="header-col2"><div>Header 2</div></th>
</thead>
<tbody>
<tr><td>Cell 1.1</td><td>Cell 1.2</td></tr>
<tr><td>Cell 2.1</td><td>Cell 2.2</td></tr>
<tr><td>Cell 3.1</td><td>Cell 3.2</td></tr>
<tr><td>Cell 4.1</td><td>Cell 4.2</td></tr>
<tr><td>Cell 5.1</td><td>Cell 5.2</td></tr>
<tr><td>Cell 6.1</td><td>Cell 6.2</td></tr>
<tr><td>Cell 7.1</td><td>Cell 7.2</td></tr>
</tbody>
</table>
</div>
</div>
而CSS:
table{
border-collapse: collapse;
table-layout: fixed;
width: 100%;
}
/* Not required, just helps with alignment for this example */
td, th{
padding: 0;
margin: 0;
}
tbody{
background-color: #ddf;
}
thead {
/* Keeps the header in place. Don't forget top: 0 */
position: absolute;
top: 0;
background-color: #ddd;
/* The 17px is to adjust for the scrollbar width.
* This is a new css value that makes this pure
* css example possible */
width: calc(100% - 17px);
height: 20px;
}
/* Positioning container. Required to position the
* header since the header uses position:absolute
* (otherwise it would position at the top of the screen) */
#positioning-container{
position: relative;
}
/* A container to set the scroll-bar and
* includes padding to move the table contents
* down below the header (padding = header height) */
#scroll-container{
overflow-y: auto;
padding-top: 20px;
height: 100px;
}
.header-col1{
background-color: red;
}
/* Fixed-width header columns need a div to set their width */
.header-col1 div{
width: 100px;
}
/* Expandable columns need a width set on the th tag */
.header-col2{
width: 100%;
}
.col1 {
width: 100px;
}
.col2{
width: 100%;
}
// Clone the original header row and add the "repeated-header" class
var tblHeader = $('tr.boxheadrow').clone().addClass('repeated-header');
// Add the cloned header with the new class every 34th row (or as you see fit)
$('tbody tr:odd:nth-of-type(17n)').after(tblHeader);
// On the 'sortStart' routine, remove all the inserted header rows
$('#pmtable').bind('sortStart', function() {
$('.repeated-header').remove();
// On the 'sortEnd' routine, add back all the header row lines.
}).bind('sortEnd', function() {
$('tbody tr:odd:nth-of-type(17n)').after(tblHeader);
});
<section class="positioned">
<div class="container">
<table>
<thead>
<tr class="header">
<th>
Table attribute name
<div>Table attribute name</div>
</th>
<th>
Value
<div>Value</div>
</th>
<th>
Description
<div>Description</div>
</th>
</tr>
</thead>
<tbody>
<tr>
<td>align</td>
<td>left, center, right</td>
<td>Not supported in HTML5. Deprecated in HTML 4.01. Specifies the alignment of a table according to surrounding text</td>
</tr>
<tr>
<td>bgcolor</td>
<td>rgb(x,x,x), #xxxxxx, colorname</td>
<td>Not supported in HTML5. Deprecated in HTML 4.01. Specifies the background color for a table</td>
</tr>
<tr>
<td>border</td>
<td>1,""</td>
<td>Specifies whether the table cells should have borders or not</td>
</tr>
<tr>
<td>cellpadding</td>
<td>pixels</td>
<td>Not supported in HTML5. Specifies the space between the cell wall and the cell content</td>
</tr>
<tr>
<td>cellspacing</td>
<td>pixels</td>
<td>Not supported in HTML5. Specifies the space between cells</td>
</tr>
<tr>
<td>frame</td>
<td>void, above, below, hsides, lhs, rhs, vsides, box, border</td>
<td>Not supported in HTML5. Specifies which parts of the outside borders that should be visible</td>
</tr>
<tr>
<td>rules</td>
<td>none, groups, rows, cols, all</td>
<td>Not supported in HTML5. Specifies which parts of the inside borders that should be visible</td>
</tr>
<tr>
<td>summary</td>
<td>text</td>
<td>Not supported in HTML5. Specifies a summary of the content of a table</td>
</tr>
<tr>
<td>width</td>
<td>pixels, %</td>
<td>Not supported in HTML5. Specifies the width of a table</td>
</tr>
</tbody>
</table>
</div>
</section>
var headerCells = tableWrap.querySelectorAll("thead td");
for (var i = 0; i < headerCells.length; i++) {
var headerCell = headerCells[i];
headerCell.style.backgroundColor = "silver";
}
var lastSTop = tableWrap.scrollTop;
tableWrap.addEventListener("scroll", function () {
var stop = this.scrollTop;
if (stop < lastSTop) {
// Resetting the transform for the scrolling up to hide the headers
for (var i = 0; i < headerCells.length; i++) {
headerCells[i].style.transitionDelay = "0s";
headerCells[i].style.transform = "";
}
}
lastSTop = stop;
var translate = "translate(0," + stop + "px)";
for (var i = 0; i < headerCells.length; i++) {
headerCells[i].style.transitionDelay = "0.25s";
headerCells[i].style.transform = translate;
}
});
var isScrolling, lastTop, lastLeft, isLeftHidden, isTopHidden;
//Scroll events don't bubble https://stackoverflow.com/a/19375645/150342
//so can't use $(document).on("scroll", ".table-container-fixed", function (e) {
document.addEventListener('scroll', function (event) {
var $container = $(event.target);
if (!$container.hasClass("table-container-fixed"))
return;
//transform needs to be applied to th for Edge and IE
//in this example I am also fixing the leftmost column
var $topLeftCell = $container.find('table:first > thead > tr > th:first');
var $headerCells = $topLeftCell.siblings();
var $columnCells = $container
.find('table:first > tbody > tr > td:first-child, ' +
'table:first > tfoot > tr > td:first-child');
//hide the cells while returning otherwise they show on top of the data
if (!isLeftHidden) {
var currentLeft = $container.scrollLeft();
if (currentLeft < lastLeft) {
//scrolling left
isLeftHidden = true;
$topLeftCell.css('visibility', 'hidden');
$columnCells.css('visibility', 'hidden');
}
lastLeft = currentLeft;
}
if (!isTopHidden) {
var currentTop = $container.scrollTop();
if (currentTop < lastTop) {
//scrolling up
isTopHidden = true;
$topLeftCell.css('visibility', 'hidden');
$headerCells.css('visibility', 'hidden');
}
lastTop = currentTop;
}
// Using timeout to delay transform until user stops scrolling
// Clear timeout while scrolling
window.clearTimeout(isScrolling);
// Set a timeout to run after scrolling ends
isScrolling = setTimeout(function () {
//move the table cells.
var x = $container.scrollLeft();
var y = $container.scrollTop();
$topLeftCell.css('transform', 'translate(' + x + 'px, ' + y + 'px)');
$headerCells.css('transform', 'translateY(' + y + 'px)');
$columnCells.css('transform', 'translateX(' + x + 'px)');
isTopHidden = isLeftHidden = false;
$topLeftCell.css('visibility', 'inherit');
$headerCells.css('visibility', 'inherit');
$columnCells.css('visibility', 'inherit');
}, 100);
}, true);
document.getElementById('pnlGridWrap').addEventListener("scroll", function () {
var translate = "translate(0," + this.scrollTop + "px)";
var myElements = this.querySelectorAll("th");
for (var i = 0; i < myElements.length; i++) {
myElements[i].style.transform=translate;
}
});
/* Set table width/height as you want.*/
div.freeze-header {
position: relative;
max-height: 150px;
max-width: 400px;
overflow:auto;
}
/* Use position:sticky to freeze header on top*/
div.freeze-header > table > thead > tr > th {
position: sticky;
top: 0;
background-color:yellow;
}
/* below is just table style decoration.*/
div.freeze-header > table {
border-collapse: collapse;
}
div.freeze-header > table td {
border: 1px solid black;
}
超文本标记语言
<html>
<body>
<div>
other contents ...
</div>
<div>
other contents ...
</div>
<div>
other contents ...
</div>
<div class="freeze-header">
<table>
<thead>
<tr>
<th> header 1 </th>
<th> header 2 </th>
<th> header 3 </th>
<th> header 4 </th>
<th> header 5 </th>
<th> header 6 </th>
<th> header 7 </th>
<th> header 8 </th>
<th> header 9 </th>
<th> header 10 </th>
<th> header 11 </th>
<th> header 12 </th>
<th> header 13 </th>
<th> header 14 </th>
<th> header 15 </th>
</tr>
</thead>
<tbody>
<tr>
<td> data 1 </td>
<td> data 2 </td>
<td> data 3 </td>
<td> data 4 </td>
<td> data 5 </td>
<td> data 6 </td>
<td> data 7 </td>
<td> data 8 </td>
<td> data 9 </td>
<td> data 10 </td>
<td> data 11 </td>
<td> data 12 </td>
<td> data 13 </td>
<td> data 14 </td>
<td> data 15 </td>
</tr>
<tr>
<td> data 1 </td>
<td> data 2 </td>
<td> data 3 </td>
<td> data 4 </td>
<td> data 5 </td>
<td> data 6 </td>
<td> data 7 </td>
<td> data 8 </td>
<td> data 9 </td>
<td> data 10 </td>
<td> data 11 </td>
<td> data 12 </td>
<td> data 13 </td>
<td> data 14 </td>
<td> data 15 </td>
</tr>
<tr>
<td> data 1 </td>
<td> data 2 </td>
<td> data 3 </td>
<td> data 4 </td>
<td> data 5 </td>
<td> data 6 </td>
<td> data 7 </td>
<td> data 8 </td>
<td> data 9 </td>
<td> data 10 </td>
<td> data 11 </td>
<td> data 12 </td>
<td> data 13 </td>
<td> data 14 </td>
<td> data 15 </td>
</tr>
<tr>
<td> data 1 </td>
<td> data 2 </td>
<td> data 3 </td>
<td> data 4 </td>
<td> data 5 </td>
<td> data 6 </td>
<td> data 7 </td>
<td> data 8 </td>
<td> data 9 </td>
<td> data 10 </td>
<td> data 11 </td>
<td> data 12 </td>
<td> data 13 </td>
<td> data 14 </td>
<td> data 15 </td>
</tr>
<tr>
<td> data 1 </td>
<td> data 2 </td>
<td> data 3 </td>
<td> data 4 </td>
<td> data 5 </td>
<td> data 6 </td>
<td> data 7 </td>
<td> data 8 </td>
<td> data 9 </td>
<td> data 10 </td>
<td> data 11 </td>
<td> data 12 </td>
<td> data 13 </td>
<td> data 14 </td>
<td> data 15 </td>
</tr>
<tr>
<td> data 1 </td>
<td> data 2 </td>
<td> data 3 </td>
<td> data 4 </td>
<td> data 5 </td>
<td> data 6 </td>
<td> data 7 </td>
<td> data 8 </td>
<td> data 9 </td>
<td> data 10 </td>
<td> data 11 </td>
<td> data 12 </td>
<td> data 13 </td>
<td> data 14 </td>
<td> data 15 </td>
</tr>
<tr>
<td> data 1 </td>
<td> data 2 </td>
<td> data 3 </td>
<td> data 4 </td>
<td> data 5 </td>
<td> data 6 </td>
<td> data 7 </td>
<td> data 8 </td>
<td> data 9 </td>
<td> data 10 </td>
<td> data 11 </td>
<td> data 12 </td>
<td> data 13 </td>
<td> data 14 </td>
<td> data 15 </td>
</tr>
<tr>
<td> data 1 </td>
<td> data 2 </td>
<td> data 3 </td>
<td> data 4 </td>
<td> data 5 </td>
<td> data 6 </td>
<td> data 7 </td>
<td> data 8 </td>
<td> data 9 </td>
<td> data 10 </td>
<td> data 11 </td>
<td> data 12 </td>
<td> data 13 </td>
<td> data 14 </td>
<td> data 15 </td>
</tr>
</tbody>
</table>
</div>
</body>
</html>