zoukankan      html  css  js  c++  java
  • ajax 分页

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</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="查询" id="chaxun" />
    </div>
    
    <table width="100%" border="1" cellpadding="0" cellspacing="0">
        <tr>
            <td>代号</td>
            <td>名称</td>
            <td>父级代号</td>
        </tr>
        
        <tbody id="nr">
        
        
        
        </tbody>
        
    </table>
    
    <div id="xinxi">
    
    </div>
    
    </body>
    <script type="text/javascript">
    
    var page = 1; //当前页
    
    Load(); //加载数据
    LoadXinXi(); //加载分页信息
    
    //查询
    $("#chaxun").click(function(){
            page = 1;
            Load(); //加载数据
            LoadXinXi(); //加载分页信息
        })
    
    function Load()
    {
        var key = $("#key").val(); //查询条件
        
        $.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);
                    }
            });
    }
    
    function LoadXinXi()
    {
        var str = "";
        var minys = 1;
        var maxys = 1;
        var key = $("#key").val();
        
        //查总页数
        $.ajax({
                async:false,
                url:"zys.php",
                data:{key:key},
                type:"POST",
                dataType:"TEXT",
                success: function(d){
                        maxys = d;
                    }
            });
        
        str += "<span>总共:"+maxys+"页</span> &nbsp;";
        str += "<span id='prev'>上一页</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> &nbsp;";
                }
                else
                {
                    str += "<span class='list' bs='"+i+"'>"+i+"</span> &nbsp;";
                }
            
            }
        }
         
        str += "<span id='next'>下一页</span>"; 
        
        $("#xinxi").html(str);
        
        //给上一页添加点击事件
        $("#prev").click(function(){
                page = page-1;
                if(page<1)
                {
                    page=1;
                }
                Load(); //加载数据
                LoadXinXi(); //加载分页信息
            })
        //给下一页加点击事件
        $("#next").click(function(){
                page = page+1;
                if(page>maxys)
                {
                    page=maxys;
                }
                Load(); //加载数据
                LoadXinXi(); //加载分页信息
            })
        //给中间的列表加事件
        $(".list").click(function(){
                page = parseInt($(this).attr("bs"));
                Load(); //加载数据
                LoadXinXi(); //加载分页信息
            })
    }
    
    </script>
    </html>


    处理页面
     <?php
    include("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);
    <?php
    include("DBDA.class.php");
    $db = new DBDA();
    
    
    $key = $_POST["key"];
    $num = 20;
    $sql = "selecr count(*) from chinatates where areaname
    like '%{$key}%'";
    $zts = $db->StrQuery($sql);
    echo ceil($zts/$num);

    效果如下:

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  • 原文地址:https://www.cnblogs.com/sujianhao/p/6269894.html
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