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="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> |