標籤：ajax分頁 資料庫 pac js代碼 load 條件 cell rom like
用ajax實現對資料庫的查詢以及對查詢資料進行分頁
首頁面代碼
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>無標題文檔</title><script src="jquery-1.11.2.min.js"></script><style type="text/css">.dangqian{ background-color:#69F}</style></head><body><div><input type="text" id="key" /><input type="button" value="查詢" id="chaxun" /></div><table width="100%" border="1" cellpadding="0" cellspacing="0"> <tr> <td>代號</td> <td>名稱</td> <td>父級代號</td> </tr> <tbody id="nr"> </tbody> </table><div id="xinxi"></div></body>
js代碼
<script type="text/javascript">var page = 1; //當前頁 定義一個變數 當前頁Load(); //載入資料LoadXinXi(); //載入分頁資訊//查詢$("#chaxun").click(function(){ page = 1; Load(); //載入資料 LoadXinXi(); //載入分頁資訊 })function Load(){ var key = $("#key").val(); //查詢條件 $.ajax({ url:"chuli.php", data:{page:page,key:key}, type:"POST", dataType:"JSON", success: function(data){ var str = ""; for(var k in data) { str +="<tr><td>"+data[k].AreaCode+"</td><td>"+data[k].AreaName+"</td><td>"+data[k].ParentAreaCode+"</td></tr>"; } $("#nr").html(str);//把資料返回表格 } });}functionLoadXinXi(){ var str = ""; var minys = 1; var maxys = 1; var key = $("#key").val(); //查總頁數 $.ajax({ async:false, url:"zys.php", data:{key:key}, type:"POST", dataType:"TEXT", success: function(d){ maxys = d; } }); str += "<span>總共："+maxys+"頁</span> "; str += "<span id=‘prev‘>上一頁</span>"; for(var i=page-2;i<page+3;i++) { if(i>=minys && i<=maxys) { if(i==page) { str += "<span class=‘dangqian‘ bs=‘"+i+"‘>"+i+"</span> "; } else { str += "<span class=‘list‘ bs=‘"+i+"‘>"+i+"</span> "; } } } str += "<span id=‘next‘>下一頁</span>"; $("#xinxi").html(str); //給上一頁添加點擊事件 $("#prev").click(function(){ page = page-1; if(page<1) { page=1; } Load(); //載入資料 LoadXinXi(); //載入分頁資訊 }) //給下一頁加點擊事件 $("#next").click(function(){ page = page+1; if(page>maxys) { page=maxys; } Load(); //載入資料 LoadXinXi(); //載入分頁資訊 }) //給中間的列表加事件 $(".list").click(function(){ page = parseInt($(this).attr("bs")); Load(); //載入資料 LoadXinXi(); //載入分頁資訊 })}</script>
處理頁面1
<?phpinclude("DBDA.class.php");$db = new DBDA();$key = $_POST["key"];$num = 20;$sql = "select count(*) from chinastates where areaname like ‘%{$key}%‘";$zts = $db->StrQuery($sql);echo ceil($zts/$num);
處理頁面2
<?phpinclude("DBDA.class.php");$db = new DBDA();$page = $_POST["page"];$key = $_POST["key"];$num = 20;$tiao = ($page-1)*$num;$sql = "select * from chinastates where areaname like ‘%{$key}%‘ limit {$tiao},{$num}";echo $db->JSONQuery($sql);
ajax分頁查詢
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