/**
* pagination分页插件
* @version 1.3.1
* @author mss
* @url http://maxiaoxiang.com/jQuery-plugins/plugins/pagination.html
*
* @调用方法
* $(selector).pagination();
*/
;(function (factory) {
if (typeof define === "function" && (define.amd || define.cmd) && !jQuery) {
// AMD或CMD
define([ "jquery" ],factory);
} else if (typeof module === 'object' && module.exports) {
// Node/CommonJS
module.exports = function( root, jQuery ) {
if ( jQuery === undefined ) {
if ( typeof window !== 'undefined' ) {
jQuery = require('jquery');
} else {
jQuery = require('jquery')(root);
}
}
factory(jQuery);
return jQuery;
};
} else {
//Browser globals
factory(jQuery);
}
}(function ($) {
//配置参数
var defaults = {
totalData: 0, //数据总条数
showData: 0, //每页显示的条数
pageCount: 9, //总页数,默认为9
current: 1, //当前第几页
prevCls: 'prev', //上一页class
nextCls: 'next', //下一页class
prevContent: '<', //上一页内容
nextContent: '>', //下一页内容
activeCls: 'active', //当前页选中状态
coping: false, //首页和尾页
isHide: false, //当前页数为0页或者1页时不显示分页
homePage: '', //首页节点内容
endPage: '', //尾页节点内容
keepShowPN: false, //是否一直显示上一页下一页
count: 3, //当前页前后分页个数
jump: false, //跳转到指定页数
jumpIptCls: 'jump-ipt', //文本框内容
jumpBtnCls: 'jump-btn', //跳转按钮
jumpBtn: '跳转', //跳转按钮文本
callback: function(){} //回调
};
var Pagination = function(element,options){
//全局变量
var opts = options,//配置
current,//当前页
$document = $(document),
$obj = $(element);//容器
/**
* 设置总页数
* @param int page 页码
* @return opts.pageCount 总页数配置
*/
this.setPageCount = function(page){
return opts.pageCount = page;
};
/**
* 获取总页数
* 如果配置了总条数和每页显示条数，将会自动计算总页数并略过总页数配置，反之
* @return int p 总页数
*/
this.getPageCount = function(){
return opts.totalData || opts.showData ? Math.ceil(parseInt(opts.totalData) / opts.showData) : opts.pageCount;
};
/**
* 获取当前页
* @return int current 当前第几页
*/
this.getCurrent = function(){
return current;
};
/**
* 填充数据
* @param int index 页码
*/
this.filling = function(index){
var html = '';
current = index || opts.current;//当前页码
var pageCount = this.getPageCount();//获取的总页数
if(opts.keepShowPN || current > 1){//上一页
html += ''+opts.prevContent+'';
}else{
if(opts.keepShowPN == false){
$obj.find('.'+opts.prevCls) && $obj.find('.'+opts.prevCls).remove();
}
}
if(current >= opts.count + 2 && current != 1 && pageCount != opts.count){
var home = opts.coping && opts.homePage ? opts.homePage : '1';
html += opts.coping ? ''+home+'...' : '';
}
var end = current + opts.count;
var start = '';
//修复到最后一页时比第一页少显示两页
start = current === pageCount ? current - opts.count - 2 : current - opts.count;
((start > 1 && current < opts.count) || current == 1) && end++;
(current > pageCount - opts.count && current >= pageCount) && start++;
for (;start <= end; start++) {
if(start <= pageCount && start >= 1){
if(start != current){
html += ''+ start +'';
}else{
html += ''+start+'';
}
}
}
if(current + opts.count < pageCount && current >= 1 && pageCount > opts.count){
var end = opts.coping && opts.endPage ? opts.endPage : pageCount;
html += opts.coping ? '...'+end+'' : '';
}
if(opts.keepShowPN || current < pageCount){//下一页
html += ''+opts.nextContent+''
}else{
if(opts.keepShowPN == false){
$obj.find('.'+opts.nextCls) && $obj.find('.'+opts.nextCls).remove();
}
}
html += opts.jump ? ''+opts.jumpBtn+'' : '';
$obj.empty().html(html);
};
//绑定事件
this.eventBind = function(){
var that = this;
var pageCount = that.getPageCount();//总页数
var index = 1;
$obj.off().on('click','a',function(){
if($(this).hasClass(opts.nextCls)){
if($obj.find('.'+opts.activeCls).text() >= pageCount){
$(this).addClass('disabled');
return false;
}else{
index = parseInt($obj.find('.'+opts.activeCls).text()) + 1;
}
}else if($(this).hasClass(opts.prevCls)){
if($obj.find('.'+opts.activeCls).text() <= 1){
$(this).addClass('disabled');
return false;
}else{
index = parseInt($obj.find('.'+opts.activeCls).text()) - 1;
}
}else if($(this).hasClass(opts.jumpBtnCls)){
if($obj.find('.'+opts.jumpIptCls).val() !== ''){
index = parseInt($obj.find('.'+opts.jumpIptCls).val());
}else{
return;
}
}else{
index = parseInt($(this).data('page'));
}
that.filling(index);
typeof opts.callback === 'function' && opts.callback(that);
});
//输入跳转的页码
$obj.on('input propertychange','.'+opts.jumpIptCls,function(){
var $this = $(this);
var val = $this.val();
var reg = /[^\d]/g;
if (reg.test(val)) {
$this.val(val.replace(reg, ''));
}
(parseInt(val) > pageCount) && $this.val(pageCount);
if(parseInt(val) === 0){//最小值为1
$this.val(1);
}
});
//回车跳转指定页码
$document.keydown(function(e){
if(e.keyCode == 13 && $obj.find('.'+opts.jumpIptCls).val()){
var index = parseInt($obj.find('.'+opts.jumpIptCls).val());
that.filling(index);
typeof opts.callback === 'function' && opts.callback(that);
}
});
};
//初始化
this.init = function(){
this.filling(opts.current);
this.eventBind();
if(opts.isHide && this.getPageCount() == '1' || this.getPageCount() == '0') $obj.hide();
};
this.init();
};
$.fn.pagination = function(parameter,callback){
if(typeof parameter == 'function'){//重载
callback = parameter;
parameter = {};
}else{
parameter = parameter || {};
callback = callback || function(){};
}
var options = $.extend({},defaults,parameter);
return this.each(function(){
var pagination = new Pagination(this, options);
callback(pagination);
});
};
}));