jquery操作表格实例详解（附代码）

<script type="text/
javascript
" language="javascript"> 
$(function() { 
jQuery.fn.alternateRowColors = function() { //做成插件的形式 
$('tbody tr:odd', this).removeClass('even').addClass('odd'); //隔行变色 奇数行 
$('tbody tr:even', this).removeClass('odd').addClass('even'); //隔行变色 偶数行 
return this; 
}; 
$('table.myTable').each(function() { 
var $table = $(this); //将table存储为一个jquery对象 
$table.alternateRowColors($table); //在排序时隔行变色 
$('th', $table).each(function(column) { 
var findSortKey; 
if ($(this).is('.sort-alpha')) { //按字母排序 
findSortKey = function($cell) { 
return $cell.find('sort-key').text().toUpperCase() + '' + $cell.text().toUpperCase(); 
}; 
} else if ($(this).is('.sort-numeric')) { //按数字排序 
findSortKey = function($cell) { 
var key = parseFloat($cell.text().replace(/^[^\d.]*/, '')); 
return isNaN(key) ? 0 : key; 
}; 
} else if ($(this).is('.sort-date')) { //按日期排序 
findSortKey = function($cell) { 
return Date.parse('1 ' + $cell.text()); 
}; 
} 
if (findSortKey) { 
$(this).addClass('clickable').hover(function() { $(this).addClass('hover'); }, function() { $(this).removeClass('hover'); }).click(function() { 
//反向排序状态声明 
var newDirection = 1; 
if ($(this).is('.sorted-asc')) { 
newDirection = -1; 
} 
var rows = $table.find('tbody>tr').get(); //将数据行转换为数组 
$.each(rows, function(index, row) { 
row.sortKey = findSortKey($(row).children('td').eq(column)); 
}); 
rows.sort(function(a, b) { 
if (a.sortKey < b.sortKey) return -newDirection; 
if (a.sortKey > b.sortKey) return newDirection; 
return 0; 
}); 
$.each(rows, function(index, row) { 
$table.children('tbody').append(row); 
row.sortKey = null; 
}); 
$table.find('th').removeClass('sorted-asc').removeClass('sorted-desc'); 
var $sortHead = $table.find('th').filter(':nth-child(' + (column + 1) + ')'); 
//实现反向排序 
if (newDirection == 1) { 
$sortHead.addClass('sorted-asc'); 
} else { 
$sortHead.addClass('sorted-desc'); 
} 
//调用隔行变色的函数 
$table.alternateRowColors($table); 
//移除已排序的列的样式,添加样式到当前列 
$table.find('td').removeClass('sorted').filter(':nth-child(' + (column + 1) + ')').addClass('sorted'); 
$table.trigger('repaginate'); 
}); 
} 
}); 
}); 
}); 
//分页 
$(function() { 
$('table.paginated').each(function() { 
var currentPage = 0; 
var numPerPage = 10; 
var $table = $(this); 
$table.bind('repaginate', function() { 
$table.find('tbody tr').hide().slice(currentPage * numPerPage, (currentPage + 1) * numPerPage).show(); 
}); 
var numRows = $table.find('tbody tr').length; 
var numPages = Math.ceil(numRows / numPerPage); 
var $pager = $('<p class="pager"></p>'); 
for (var page = 0; page < numPages; page++) { 
$('<span class="page-number"></span>').text(page + 1) 
.bind('click', { newPage: page }, function(event) { 
currentPage = event.data['newPage']; 
$table.trigger('repaginate'); 
$(this).addClass('active').siblings().removeClass('active'); 
}).appendTo($pager).addClass('clickable'); 
} 
$pager.insertBefore($table); 
$table.trigger('repaginate'); 
$pager.find('span.page-number:first').addClass('active'); 
}); 
}); 
</script>