jquery+css3打造一款ajax分页插件(自写)_jquery

/*
jquery.kun_page.js
lxk 2014.06.16
www.cnblogs.com/wingkun

---------------------------------
参数config:

dataCount:数据总数

pageSize:页数据条数

maxButton:页码按钮数目
 
showCustom:是否能手动输入页码 

pageChange:页变更事件
参数：(i,s,c)
i:pageIndex,当前页
s:pageSize,页数据条数
c:pageCount,总页数

*/

(function($){

$.fn.page = function (config) {

 if (this.length != 1) {
  throw "k_page:如有多个page请调用多次!";
 }

 
 var defaults = { dataCount: 1, pageSize: 10, maxButton: 6, showCustom: true, pageChange: null }
 config = $.extend(defaults, config);

 if (config.maxButton <= 1) config.maxButton = 2;
 if (config.pageSize < 1) config.pageSize = 1;
 //按钮数目需偶数
 if (config.maxButton % 2 != 0)
  config.maxButton++;

 var pageIndex = 1, pageCount, move_kf;

 //初始化页数
 function initcount() {
  pageCount = config.dataCount % config.pageSize == 0 ? config.dataCount / config.pageSize : parseInt(config.dataCount / config.pageSize) + 1;
 }
 initcount();

 var prev = "
上一页
", next = "
下一页
", pbody = $(""), pcustom = $("到第  页 
确定
"), cl = "
", pipt = $("");
 this.empty().addClass("kun_page").append(prev);
 pipt.keypress(function (e) {
  if (e.which == 13) {
   topage("确定");
   return false;
  }
 }).appendTo(pcustom.children());

 if (config.pageChange) {
  this.unbind("click").bind("click", function (e) {
   var _t = $(e.target);
   if (_t[0].tagName == "DIV" && _t[0].className != "kun_page") {
    topage(_t.text());
   }
  });
 }

 //跳转页码
 function topage(text) {

  switch (text) {
   case "上一页":
    if (pageIndex - 1 < 1) {
     return;
    }
    pageIndex--;
    move_kf = "sc_r";
    break;
   case "下一页":
    if (pageIndex + 1 > pageCount) {
     return;
    }
    pageIndex++;
    move_kf = "sc_l";
    break;
   case "确定":

    if (!/^\d+$/.test(pipt.val())) {
     pipt.val("");
     return;
    }
    text = parseInt(pipt.val());
    if (text < 1 || text > pageCount) {
     pipt.val("");
     return;
    }

   default:
    var _pindex = parseInt(text);
    if (pageIndex == _pindex)
     return;
    move_kf = pageIndex < _pindex ? "sc_l" : "sc_r";
    pageIndex = _pindex;
    break;
  }

  gopageChange();
 }

 //页变更事件
 function gopageChange() {
  if (config.pageChange) {
   if (config.dataCount != 0) {
    config.pageChange(pageIndex, config.pageSize, pageCount);
    endloading();
   }
  }
 }

 //异步加载结束
 function endloading() {
  initpage();

 }

 //添加页码
 function initpage() {
  pbody.empty();
  var _t_maxb = config.maxButton / 2;
  //前后页码集合
  var _t_listp = [], _t_listn = [];
  var _min = 0, _max = pageCount;

  for (var i = 1; i <= _t_maxb; i++) {
   var _t_prev = pageIndex - i, _t_next = pageIndex + i;
   //当前页码之前的页
   if (_t_prev > 0) {
    _t_listp.push("
" + _t_prev + "
");
    if (i == _t_maxb) _min = _t_prev;
   }
   //当前页码之后的页
   if (_t_next <= pageCount) {
    _t_listn.push("
" + _t_next + "
");
    if (i == _t_maxb) _max = _t_next;
   }
  }
  //显示第一页
  if (_min > 1) pbody.append("
1
");
  //显示前 ……
  if (_min - 1 > 1) pbody.append("...");

  for (var i = _t_listp.length; i >= 0; i--) {
   pbody.append(_t_listp[i]);
  }

  pbody.append("
" + pageIndex + "
");

  for (var i = 0; i < _t_listn.length; i++) {
   pbody.append(_t_listn[i]);
  }

  //显示后 ……
  if (pageCount - _max > 1) pbody.append("...");

  //显示最后一页
  if (_max < pageCount) pbody.append("
" + pageCount + "
");

 }

 initpage();
 gopageChange();

 this.append(pbody).append(next);
 if (config.showCustom)
  this.append(pcustom);
 this.append(cl);

 return { reload: gopageChange, pageCount: pageCount, recount: function (e) {
  //重新计算页数
  config.dataCount = e;
  pageIndex = 1;
  initcount();
  initpage();
  gopageChange();
 }
 };

 //console.log(_min + "*" + _max + "*" + pageCount);
}


})(jQuery)

/*
 kun_page.css
 lxk 2014.06.16
 www.cnblogs.com/wingkun
*/


.kun_page {font-size: 12px;line-height:23px;font-family:"Microsoft YaHei";}
.kun_page .k_p_page{position:relative;}
.kun_page div {float: left;margin: 3px;border: solid 1px #ccc;cursor: pointer;color: #333;min-width:12px;text-align:center;padding:0px 5px;}
.kun_page em {display: block;float: left;margin: 2px;}
.kun_page .k_p_current {background: #ccc;color: #fff;-webkit-animation:scroll_b 300ms;animation:scroll_b 300ms;}
.kun_page .k_cl {clear: both;float: none;border: none;margin: 0px;padding: 0px;width:0px;height:0px;}
.kun_page .k_custom {display: block;float: left;margin: 3px 3px 3px 20px;}
.kun_page .k_ipt {width: 30px;height: 21px;border: solid 1px #ccc;text-align: center;vertical-align:middle;}
.kun_page .k_m{ opacity: 0; width: 1%; height: 1%;top:0px;left:0px; display:block; position: absolute; }
.kun_page .sc_l{background: -webkit-gradient(linear, 0 100%, 100% 100%, from(#CCCCCC), to(#645F5F));
 -webkit-transform:translate(-50px);-webkit-animation:scroll_k_l 300ms linear;
 background: -moz-linear-gradient(left,#CCCCCC 0%, #645F5F 100%);
 background: -ms-linear-gradient(left,#CCCCCC 0%, #645F5F 100%);
 transform:translate(-50px);animation:scroll_k_l 300ms linear;
 
 }
.kun_page .sc_r{background: -webkit-gradient(linear, 0 100%, 100% 100%, from(#645F5F), to(#CCCCCC));
 -webkit-transform:translate(50px); -webkit-animation:scroll_k_r 300ms linear;
 background: -moz-linear-gradient(left, #645F5F 0%, #CCCCCC 100%);
 background: -ms-linear-gradient(left,#CCCCCC 0%, #645F5F 100%);
 transform:translate(50px); animation:scroll_k_r 300ms linear;
 }

/*
animation
*/

@-webkit-keyframes scroll_k_l{
0%{-webkit-transform:translate(-100px);opacity:0.2;width:200%;height:100%;}
99%{-webkit-transform:translate(-20px);opacity:0;width:200%;height:100%;}
100%{-webkit-transform:translate(-20px);opacity:0;width:1%;height:1%;}
}

@-webkit-keyframes scroll_k_r{
0%{-webkit-transform:translate(100px);opacity:0.2;width:200%;height:100%;}
99%{-webkit-transform:translate(20px);opacity:0;width:200%;height:100%;}
100%{-webkit-transform:translate(20px);opacity:0;width:1%;height:1%;}
}

@keyframes scroll_k_l{
0%{transform:translate(-100px);opacity:0.2;width:200%;height:100%;}
99%{transform:translate(-20px);opacity:0;width:200%;height:100%;}
100%{transform:translate(-20px);opacity:0;width:1%;height:1%;}
}

@keyframes scroll_k_r{
0%{transform:translate(100px);opacity:0.2;width:200%;height:100%;}
99%{transform:translate(20px);opacity:0;width:200%;height:100%;}
100%{transform:translate(20px);opacity:0;width:1%;height:1%;}
}


@-webkit-keyframes scroll_b{
0%,99%{background: #fff;color: #000;}
100%{background: #ccc;color: #fff;}
}
@keyframes scroll_b{
0%,99%{background: #fff;color: #000;}
100%{background: #ccc;color: #fff;}
}