easyui datagrid 前台分页的实现java采用的版本
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easyui datagrid 前台分页的实现java采用的版本
?使用easyui分页,有后台服务器端实现和前台浏览器端实现。服务器端实现按规定的格式返回数据就可以了,前台实现需要写js来实现。
代码如下:
关键代码:
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function pagerFilter(data){
??????????? if ( typeof data.length == 'number' && typeof data.splice == 'function' ){??? // 判断数据是否是数组
??????????????? data = {
??????????????????? total: data.length,
??????????????????? rows: data
??????????????? }
??????????? }
??????????? var dg = $( this );
??????????? var opts = dg.datagrid( 'options' );
??????????? var pager = dg.datagrid( 'getPager' );
??????????? pager.pagination({
??????????????? onSelectPage: function (pageNum, pageSize){
??????????????????? opts.pageNumber = pageNum;
??????????????????? opts.pageSize = pageSize;
??????????????????? pager.pagination( 'refresh' ,{
??????????????????????? pageNumber:pageNum,
??????????????????????? pageSize:pageSize
??????????????????? });
??????????????????? dg.datagrid( 'loadData' ,data);
??????????????? }
??????????? });
??????????? if (!data.originalRows){
??????????????? data.originalRows = (data.rows);
??????????? }
??????????? var start = (opts.pageNumber-1)*parseInt(opts.pageSize);
??????????? var end = start + parseInt(opts.pageSize);
??????????? data.rows = (data.originalRows.slice(start, end));
??????????? return data;
??????? }
|
完整的Demo
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<!DOCTYPE html>
< html >
< head >
???? < meta charset = "UTF-8" >
???? < title >客户端分页demo</ title >
???? < link rel = "stylesheet" type = "text/css" href = "http://www.jeasyui.com/easyui/themes/bootstrap/easyui.css" >
???? < link rel = "stylesheet" type = "text/css" href = "http://www.jeasyui.com/easyui/themes/icon.css" >
???? < link rel = "stylesheet" type = "text/css" href = "http://www.jeasyui.com/easyui/demo/demo.css" >
???? < script type = "text/javascript" src = "http://www.jeasyui.com/easyui/jquery-1.8.0.min.js" ></ script >
???? < script type = "text/javascript" src = "http://www.jeasyui.com/easyui/jquery.easyui.min.js" ></ script >
</ head >
< body >
???? < h2 >客户端分页dem</ h2 >
???? < div class = "demo-info" >
???????? < div class = "demo-tip icon-tip" ></ div >
???????? < div ></ div >
???? </ div >
???? < div style = "margin:10px 0;" ></ div >
???? < table id = "dg" title = "Client Side Pagination" style = "width:700px;height:300px" data-options="
???????????????? rownumbers:true,
???????????????? singleSelect:true,
???????????????? autoRowHeight:false,
???????????????? pagination:true,
???????????????? pageSize:10">
???????? < thead >
???????????? < tr >
???????????????? < th field = "inv" width = "80" >Inv No</ th >
???????????????? < th field = "date" width = "100" >Date</ th >
???????????????? < th field = "name" width = "80" >Name</ th >
???????????????? < th field = "amount" width = "80" align = "right" >Amount</ th >
???????????????? < th field = "price" width = "80" align = "right" >Price</ th >
???????????????? < th field = "cost" width = "100" align = "right" >Cost</ th >
???????????????? < th field = "note" width = "110" >Note</ th >
???????????? </ tr >
???????? </ thead >
???? </ table >
???? < script >
???????? function getData(){//模拟数据
???????????? var rows = [];
???????????? for(var i=1; i<=80000; i++){
???????????????? var amount = Math.floor(Math.random()*1000);
???????????????? var price = Math.floor(Math.random()*1000);
???????????????? rows.push({
???????????????????? inv: 'Inv No '+i,
???????????????????? date: $.fn.datebox.defaults.formatter(new Date()),
???????????????????? name: 'Name '+i,
???????????????????? amount: amount,
???????????????????? price: price,
???????????????????? cost: amount*price,
???????????????????? note: 'Note '+i
???????????????? });
???????????? }
???????????? //console.log(JSON.stringify(rows));
???????????? return rows;
???????? }
???????? function pagerFilter(data){
???????????? if (typeof data.length == 'number' && typeof data.splice == 'function'){??? // 判断数据是否是数组
???????????????? data = {
???????????????????? total: data.length,
???????????????????? rows: data
???????????????? }
???????????? }
???????????? var dg = $(this);
???????????? var opts = dg.datagrid('options');
???????????? var pager = dg.datagrid('getPager');
???????????? pager.pagination({
???????????????? onSelectPage:function(pageNum, pageSize){
???????????????????? opts.pageNumber = pageNum;
???????????????????? opts.pageSize = pageSize;
???????????????????? pager.pagination('refresh',{
???????????????????????? pageNumber:pageNum,
???????????????????????? pageSize:pageSize
???????????????????? });
???????????????????? dg.datagrid('loadData',data);
???????????????? }
???????????? });
???????????? if (!data.originalRows){
???????????????? data.originalRows = (data.rows);
???????????? }
???????????? var start = (opts.pageNumber-1)*parseInt(opts.pageSize);
???????????? var end = start + parseInt(opts.pageSize);
???????????? data.rows = (data.originalRows.slice(start, end));
???????????? return data;
???????? }
???????? $(function(){//加载数据
???????????? $('#dg').datagrid({loadFilter:pagerFilter}).datagrid('loadData', getData());
???????? });
???? </ script >
</ body >
</ html >
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