下面是一个使用JavaScript实现表格分页和排序的示例代码:
HTML代码:
Name
Age
Country
John
25
USA
Mike
30
UK
Lisa
28
Canada
JavaScript代码:
var currentPage = 1;
var rowsPerPage = 5;
function displayTablePage(page) {
var table = document.getElementById("myTable");
var rows = table.rows;
var startIndex = (page - 1) * rowsPerPage;
var endIndex = startIndex + rowsPerPage;
for (var i = 1; i < rows.length; i++) {
if (i >= startIndex && i < endIndex) {
rows[i].style.display = "table-row";
} else {
rows[i].style.display = "none";
}
}
}
function displayPagination() {
var table = document.getElementById("myTable");
var rows = table.rows;
var totalPages = Math.ceil((rows.length - 1) / rowsPerPage);
var pagination = document.getElementById("pagination");
pagination.innerHTML = "";
for (var i = 1; i <= totalPages; i++) {
var button = document.createElement("button");
button.innerHTML = i;
button.addEventListener("click", function() {
currentPage = parseInt(this.innerHTML);
displayTablePage(currentPage);
});
pagination.appendChild(button);
}
}
function sortTable(columnIndex) {
var table, rows, switching, i, x, y, shouldSwitch;
table = document.getElementById("myTable");
switching = true;
while (switching) {
switching = false;
rows = table.rows;
for (i = 1; i < (rows.length - 1); i++) {
shouldSwitch = false;
x = rows[i].getElementsByTagName("td")[columnIndex];
y = rows[i + 1].getElementsByTagName("td")[columnIndex];
if (x.innerHTML.toLowerCase() > y.innerHTML.toLowerCase()) {
shouldSwitch = true;
break;
}
}
if (shouldSwitch) {
rows[i].parentNode.insertBefore(rows[i + 1], rows[i]);
switching = true;
}
}
}
displayTablePage(currentPage);
displayPagination();
这段代码实现了以下功能:
onclick
事件绑定到sortTable()
函数,以便在单击表头时对表格进行排序。displayTablePage()
函数用于根据当前页码显示对应的表格行。displayPagination()
函数用于根据表格行数和每页显示的行数生成分页按钮,并绑定点击事件以更新当前页码。sortTable()
函数用于根据指定列的值对表格进行排序。它使用冒泡排序算法实现,将具有较小值的行移动到较大值的行之前。displayTablePage(currentPage)
和displayPagination()
函数在页面加载时被调用,以显示初始状态的表格和分页。你可以根据需要进行修改和调整这段代码,以适应你的具体需求。