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Copy pathpagination.js
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189 lines (171 loc) · 8.06 KB
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(function ($) {
$.fn.pagination = function (options) {
var defaults = {
url: '',
data: '',
showPage: 10,
pageSize: 10,
callback: function () {
return false;
}
};
$.extend(defaults, options || {});
var _this = $(this);
if (defaults.url == '') {
alert('URL不能为空!');
_this.empty();
return false;
}
var showPage = defaults.showPage == '' || Number(defaults.showPage) <= 0 ? 10 : defaults.showPage,
pageSize = defaults.pageSize == '' || Number(defaults.pageSize) <= 0 ? 10 : defaults.pageSize,
totalCount = 0,
totalPage = 0,
currentPage = 1,
tableDatas,
formData = defaults.data;
//通过ajax获取表格数据
getTableData();
var getTableData = function() {
var ajaxUrl = defaults.url + '?pageSize=' + pageSize + '¤tPage=' + currentPage;
$.ajax({
url: ajaxUrl,
data: formData,
dataType: 'json',
type: 'post',
success: function (result) {
totalCount = Number(result.totalCount);
totalPage = Math.ceil(totalCount / pageSize);
currentPage = Number(result.currentPage);
tableDatas = result.data;
createPageTag();//创建分页标签
defaults.callback(tableDatas);//通过后台获取的表格数据生成表格
}
});
}
function createPageTag() {
if (totalPage <= 0 || totalPage <= 0)
return false;
var html = [];
html.push('<ul class="pagination">');
html.push('<li class="previous"><a href="#">«</a></li>');
html.push('<li class="disabled hidden"><a href="#">...</a></li>');
if (totalPage <= showPage) {
for (var i = 1; i <= totalPage; i++) {
if (i == currentPage)
html.push('<li class="active"><a href="#">' + i + '</a></li>');
else
html.push('<li><a href="#">' + i + '</a></li>');
}
} else {
for (var j = 1; j <= showPage; j++) {
if (j == currentPage)
html.push('<li class="active"><a href="#">' + j + '</a></li>');
else
html.push('<li><a href="#">' + j + '</a></li>');
}
}
html.push('<li class="disabled hidden"><a href="#">...</a></li>');
html.push('<li class="next"><a href="#">»</a></li></ul>');
_this.html(html.join(''));
if (totalPage > showPage)
_this.find('ul.pagination li.next').prev().removeClass('hidden');
var pageObj = _this.find('ul.pagination'),
preObj = pageObj.find('li.previous'),
currentObj = pageObj.find('li').not('.previous,.disabled,.next'),
nextObj = pageObj.find('li.next');
currentObj.click(function (event) {
event.preventDefault();
var currPage = Number($(this).find('a').html()),
activeObj = pageObj.find('li[class="active"]'),
activePage = Number(activeObj.find('a').html());
if (currPage == activePage)
return false;
if (totalPage > showPage) {
var maxPage = currPage, minPage = 1;
if (($(this).prev().attr('class'))
&& (_this.prev().attr('class').indexOf('disabled')) >= 0) {
minPage = currPage - 1;
maxPage = minPage + showPage - 1;
loopPageElement(minPage, maxPage);
} else if (($(this).next().attr('class'))
&& ($(this).next().attr('class').indexOf('disabled')) >= 0) {
if (totalPage - currPage >= 1) maxPage = currPage + 1;
else maxPage = totalPage;
if (maxPage - showPage > 0) minPage = (maxPage - showPage) + 1;
loopPageElement(minPage, maxPage)
}
}
activeObj.removeClass('active');
$.each(currentObj, function (index, thiz) {
if ($(thiz).find('a').html() == currPage) {
$(thiz).addClass('active');
currentPage = currPage;
ajaxGetData();
}
});
});
preObj.click(function (event) {
event.preventDefault();
var activeObj = pageObj.find('li[class="active"]'), activePage = Number(activeObj.find('a').html());
if (activePage <= 1) return false;
if (totalPage > showPage) {
var maxPage = activePage, minPage = 1;
if ((activeObj.prev().prev().attr('class'))
&& (activeObj.prev().prev().attr('class').indexOf('disabled')) >= 0) {
minPage = activePage - 1;
if (minPage > 1) minPage = minPage - 1;
maxPage = minPage + showPage - 1;
loopPageElement(minPage, maxPage);
}
}
$.each(currentObj, function (index, thiz) {
if ($(thiz).find('a').html() == (activePage - 1)) {
activeObj.removeClass('active');
$(thiz).addClass('active');
currentPage = activePage - 1;
ajaxGetData();
}
});
});
nextObj.click(function (event) {
event.preventDefault();
var activeObj = pageObj.find('li[class="active"]'), activePage = Number(activeObj.find('a').html());
if (activePage >= totalPage) return false;
if (totalPage > showPage) {
var maxPage = activePage, minPage = 1;
if ((activeObj.next().next().attr('class'))
&& (activeObj.next().next().attr('class').indexOf('disabled')) >= 0) {
maxPage = activePage + 2;
if (maxPage > totalPage) maxPage = totalPage;
minPage = maxPage - showPage + 1;
loopPageElement(minPage, maxPage);
}
}
$.each(currentObj, function (index, thiz) {
if ($(thiz).find('a').html() == (activePage + 1)) {
activeObj.removeClass('active');
$(thiz).addClass('active');
currentPage = activePage + 1;
ajaxGetData();
}
});
});
function loopPageElement(minPage, maxPage) {
var tempObj = preObj.next();
for (var i = minPage; i <= maxPage; i++) {
if (minPage == 1 && (preObj.next().attr('class').indexOf('hidden')) < 0)
preObj.next().addClass('hidden');
else if (minPage > 1 && (preObj.next().attr('class').indexOf('hidden')) > 0)
preObj.next().removeClass('hidden');
if (maxPage == totalPage && (nextObj.prev().attr('class').indexOf('hidden')) < 0)
nextObj.prev().addClass('hidden');
else if (maxPage < totalPage && (nextObj.prev().attr('class').indexOf('hidden')) > 0)
nextObj.prev().removeClass('hidden');
var obj = tempObj.next().find('a');
if (!isNaN(obj.html()))obj.html(i);
tempObj = tempObj.next();
}
}
}
};
})(jQuery);