<Meta http-equiv="Content-Type" content="text/html; charset=utf8" />
<h1 align="center">武侠小说分页</h>
<br/>
<script src="jquery-1.4.2.min.js"></script>
<script>
var page='';
function init(page){
document.getElementById("tables").innerHTML='';
var xhr;
if(window.XMLHttpRequest){
xhr = new XMLHttpRequest();
}else if(window.ActiveXObject){
xhr =new ActiveXObject("Microsoft.XMLHTTP")
}
var url="fenye.PHP";
xhr.open("POST",url,true);
xhr.onreadystatechange=callback;
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
if(page){
xhr.send("page="+page);
}
else {xhr.send("page=1");}
var content;
function callback(){
if(xhr.readyState==4){
if(xhr.status==200){
var json =eval('('+xhr.responseText+')');
//alert(xhr.responseText);
var fenye=json.str;
// alert(fenye);
document.getElementById('div').innerHTML=fenye;
content="<th>ID</th><th>名称</th><th>作者</th><th>出版社</th><th>ISBN号</th><th>类型</th><th>价格</th>";
for(var i=0;i<json.info.length;i++){
content+="<tr><td>"+json.info[i].id+"</td><td>"+json.info[i].name+"</td><td>"+json.info[i].author+"</td><td>"+json.info[i].publisher+"</td><td>"+json.info[i].isbn+"</td><td>"+json.info[i].type+"</td><td>"+json.info[i].price+"</tr>";
document.getElementById("tables").innerHTML=content;
}
// alert(fenye);
}
}
}
}
</script>
<body onLoad="init()">
<h3 align="center">jquery实现$.ajax的分页</h3>
<table id="tables" style=" width:500px; height:100px; text-align:center" align="center" border="5" bordercolor="#FF6600">
<th>ID</th><th>名称</th><th>作者</th><th>出版社</th><th>ISBN号</th><th>类型</th><th>价格</th>
</table>
<table align="center" style="margin-top:15px">
<tr><td>
<td style="colspan:3;height:20">
<div id="div" style="position:absolute; left: 447px; top: 218px; width: 411px; height: 22px;"></div>
</td>
</tr>
</table>
<br />
</body>
<?PHP //命令模型层处理数据 $link=MysqL_connect('localhost','root','') or die("失败"); MysqL_select_db('books',$link) or die("连接数据库出错了!"); //每页显示记录数 $pagesize = 2; //求出总的记录数 $sql = "select count(*) as total_rows from books"; $result = MysqL_query($sql); $total_rows = MysqL_fetch_array($result); //求总共的页码数 $pages = ceil($total_rows[0]/$pagesize); //当前第几页 $page = $_POST['page']; $strtext = "当前第".$page."页"."总共".$pages."页"."共".$total_rows[0]."记录"; //var_dump($str); //接下来,我要根据当前点击的页码求出对应的数据 $offset = $pagesize*($page-1); $sql = "select * from books limit $offset,$pagesize"; MysqL_query("set names utf8"); $res=MysqL_query($sql); $rows=array(); while($row=MysqL_fetch_assoc($res)){ $rows[]=$row; } $pageInfo = $rows; //echo json_encode($pageInfo); //var_dump($pageInfo); //将获得数据链接,后返回 $first=1; $prev=$page-1; $next=$page+1; $last=$pages; //命令视图层显示数据 $first_a = "<a onclick='init(".$first.")' href='#'><img src='3.jpg' width='50px;' height='20px;'/></a>"; if($page>1){ $prev_a = "<a onclick='init(".$prev.")' href='#'><img src='1.jpg' width='50px;' height='20px;'/></a>"; } if($page<$pages){ $next_a = "<a onclick='init(".$next.")' href='#'><img src='2.jpg' width='50px;' height='20px;'/></a>"; } $last_a = "<a onclick='init(".$last.")' href='#'><img src='4.jpg' width='50px;' height='20px;'/></a>"; @$str = $strtext.$first_a.$prev_a.$next_a.$last_a; //var_dump($str); $info = array('str'=>$str,'info'=>$pageInfo); echo json_encode($info);
原文链接:https://www.f2er.com/ajax/166516.html