自定义Jquery分页插件

(function ($) {
    ‘use strict‘;

    $.jPager = function (option) {

        var defaultOption = {
            pages: [{
                id: ‘‘,
                showSelectPage: true
            }],
            currentpage: 1, //当前页
            pagesize: 20, //一页显示数量
            total:1, //条数
            totalpage: 1 //总页码
        };

        var pageObj = $.extend(defaultOption, option);

        if (pageObj.pages.length == 0) {
            return;
        }

        for (var i = 0; i < pageObj.pages.length; i++) {
            var obj = pageObj.pages[i];
            var _btnId = obj.id;
            var _isShowSelect = obj.showSelectPage;
            var tpl = ‘<span class="pager">‘;
            if (_isShowSelect) {
                tpl += ‘<span class="count">10</span>‘;
                tpl += ‘<span class="pageCount">‘;
                tpl += ‘<dl><dt class="open-dt" role-page="role-page">‘;
                tpl += ‘<i class="fa fa-bars"></i><i class="fa fa-sort-down little"></i></dt>‘;
                tpl += ‘<dd style="display:none">10&nbsp;<i class="fa fa-check"></i></dd>‘;
                tpl += ‘<dd style="display:none">20&nbsp;<i class="fa fa-check hide"></i></dd>‘;
                tpl += ‘<dd style="display:none">30&nbsp;<i class="fa fa-check hide"></i></dd>‘;
                tpl += ‘</dl></span>‘;
            }

            tpl += ‘<span class="firstPage"><i class="fa fa-angle-double-left"></i></span><span class="pageContainer">‘;

            var _pages = [];
            if (pageObj.totalpage > 5) {

                if (pageObj.currentpage <= 3) {
                    _pages = [1, 2, 3, 4, 5];
                } else if (pageObj.currentpage > 3 && (pageObj.totalpage - pageObj.currentpage >= 2)){
                    _pages[0] = pageObj.currentpage - 2;
                    _pages[1] = pageObj.currentpage - 1;
                    _pages[2] = pageObj.currentpage;
                    _pages[3] = pageObj.currentpage + 1;
                    _pages[4] = pageObj.currentpage + 2;
                }else if (pageObj.currentpage > 3 && (pageObj.totalpage - pageObj.currentpage == 0)){
                    _pages[0] = pageObj.currentpage - 4;
                    _pages[1] = pageObj.currentpage - 3;
                    _pages[2] = pageObj.currentpage - 2;
                    _pages[3] = pageObj.currentpage - 1;
                    _pages[4] = pageObj.currentpage;
                }else if (pageObj.currentpage > 3 && (pageObj.totalpage - pageObj.currentpage == 1)) {
                    _pages[0] = pageObj.currentpage - 3;
                    _pages[1] = pageObj.currentpage - 2;
                    _pages[2] = pageObj.currentpage - 1;
                    _pages[3] = pageObj.currentpage;
                    _pages[4] = pageObj.currentpage + 1;
                }

            } else {
                for (var j = 0; j < pageObj.totalpage; j++ ) {
                    _pages[j] = j;
                }
            }

            for (var k = 0; k < _pages.length; k++ ) {
                tpl += ‘<span class="page" data-page="page‘+ _pages[k] +‘">‘+ _pages[k] +‘</span>‘;
            }

            tpl += ‘</span><span class="lastPage"><i class="fa fa-angle-double-right"></i></span></span>‘;
            $(‘#‘+_btnId).html(tpl);

            //点击页码数量
            $(‘.pageCount dd‘).click(function () {

                var _hasClass = $(this).children(‘i‘).hasClass(‘hide‘);
                if (!_hasClass) {
                    return;
                }

                var _text = $(this).text();
                $(‘.pager .count‘).text(_text);
                $(this).siblings(‘dd‘).children(‘i‘).addClass(‘hide‘);
                $(this).children(‘i‘).removeClass(‘hide‘);

                var page = {
                    pagesize: $(‘.pager .count:eq(0)‘).text().trim(),
                    currentpage: $(‘.pager:eq(0) .active‘).text().trim()
                }
                obj.callback(page);
            });

            //点击页码
            $(‘span[data-page]‘).click(function () {
                var _hasClass = $(this).hasClass(‘active‘);

                if (_hasClass) {
                    return;
                }

                var _page = $(this).attr(‘data-page‘);
                $(‘span[data-page]‘).removeClass(‘active‘);
                //$(this).addClass(‘active‘);
                $(‘span[data-page="‘+ _page +‘"]‘).addClass(‘active‘);

                var page = {
                    pagesize: $(‘.pager .count:eq(0)‘).text().trim(),
                    currentpage: $(‘.pager:eq(0) .active‘).text().trim()
                }
                obj.callback(page);
            });

            //点击上一页
            $(‘#‘+_btnId +‘ span .firstPage i‘).bind(‘click‘, function () {
                var page = {
                    pagesize: $(‘.pager .count:eq(0)‘).text().trim(),
                    currentpage: parseInt($(‘.pager:eq(0) .active‘).text().trim()) - 1
                }
                obj.callback(page);
            });

            //点击下一页
            $(‘#‘+_btnId +‘ span .lastPage i‘).click(function (e) {
                e.preventDefault();
                var page = {
                    pagesize: $(‘.pager .count:eq(0)‘).text().trim(),
                    currentpage: parseInt($(‘.pager:eq(0) .active‘).text().trim()) + 1
                }
                obj.callback(page);
            });
        }

        //初始化，选中当前页码
        $(‘span[data-page]‘).removeClass(‘active‘);
        $(‘span[data-page="page‘+ pageObj.currentpage +‘"]‘).addClass(‘active‘);

        /* 切换每页条数  */
        $(‘.pageCount dt‘).click(function() {
            $(‘dd‘).slideUp(100, function() {
                var _css = {
                    ‘borderBottom‘: ‘1px solid #ccc‘,
                    ‘border-bottom-right-radius‘: ‘5px‘,
                    ‘border-bottom-left-radius‘: ‘5px‘
                };
                $(‘.select2_wrap‘).children(‘dt‘).css(_css);
            });
            var _isShow  = $(this).siblings(‘dd‘).css(‘display‘) == ‘none‘ ? false : true;
            if (_isShow) {
                $(this).siblings(‘dd‘).hide();//.removeClass(‘page-Open‘).addClass(‘page-Close‘)
                var _css = {
                    ‘borderTop‘: ‘0px solid #ccc‘,
                    ‘border-top-right-radius‘: ‘0px‘,
                    ‘border-top-left-radius‘: ‘0px‘,
                    ‘backgroundColor‘: ‘white‘,
                    ‘color‘: ‘‘
                };
                $(this).css(_css);
            } else {
                $(this).siblings(‘dd‘).slideDown();//.removeClass(‘page-Close‘).addClass(‘page-Open‘)
                var _css = {
                    ‘border-top-right-radius‘: ‘5px‘,
                    ‘border-top-left-radius‘: ‘5px‘,
                    ‘backgroundColor‘: ‘#414C59‘,
                    ‘color‘: ‘white‘
                };
                $(this).css(_css);
            }

        });

    };
})(jQuery);

/*  分页  */
.pager{
    height: 30px;
    line-height: 30px;
    padding: 0;
    margin-top: 0;
    margin-left: 70px;
    display: inline-block;
}

.pager{
    float:left;
}

.pager .pageCount{
    float:left;
    width:60px;
    height: 30;
    line-height: 30px;
    text-align: left;
    margin-left: -5px;
    text-indent: 5px;
}

.pager .count{
    padding-top:3px;
    float:left;
    cursor:default;
}

.pager .pageCount dl{
    margin: 0;
    padding: 0;
    width: 60px;
}

.pager .pageCount dt>i:first-child{
    vertical-align:bottom;
    margin-top: 3px;
}

.pager .pageCount dd{
    background-color: #414C59;
    height: 24px;
    width:60px;
    line-height: 24px;
    text-align: left;
    text-indent: 5px;
    color: white;
    border:none;
}

.pager .pageCount dd:last-child{
    border-bottom-right-radius: 5px;
    border-bottom-left-radius: 5px;
}

.pager .pageCount dd:hover{
    background-color: #333E4D;
}

.pager dt:hover{
    color:#2AC3FA;
}

.pager .firstPage{
    margin-left: 20px;
}

.pager .firstPage>i{
    margin-top: 5px;
}

.pager .page{
    margin-left: 5px;
}

.pager .lastPage{
    margin-left: 10px;
}

.pager .lastPage>i{
    margin-top: 5px;
}

.pager i.little{
    font-size:10px;
    vertical-align: top;
    margin-top: 5px;
    margin-left: 2px
}

.pager span{
    cursor: pointer;
    border:1px solid transparent;
}

.pager .page{
    padding-left: 3px;
    padding-right: 5px;
    padding-top: 2px;
    padding-bottom: 2px;
    border-radius: 5px;
}

.pager span.active{
    background-color: #2AC3FA;
    color:white;
    padding-left: 5px;
    padding-right: 5px;
    padding-top: 1px;
    padding-bottom: 2px;
    border-radius: 5px;
}

.pager span.page:hover{
    background-color: white;
    border:1px solid #2AC3FA;
    color:#2AC3FA;
}

.pager .lastPage:hover, .pager .firstPage:hover{
    color:#2AC3FA;
}

.pager .open{
    color:#ffffff;
    background-color: #414C59;
}

.pager span{
    display:inline-block;
    height: 24px;
    line-height: 20px;
    margin-left: 2px;
    float: left;
}

.pager .pageContainer{
    display: inline-block;
    min-width: 26px;
    width: auto;
    height: 30px;
    line-height: 30px;
    overflow:hidden;
}