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  • PHP分页显示和查询

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    </head>
    
    <body>
    <h1>主页面</h1>
    <?php
    include("DBDA.class.php");
    $db=new DBDA();
    include("page.class.php");
    $tj=" 1=1 ";
    $name="";
    if(!empty($_GET["name"]) && $_GET["name"]!="")
    {
    	$tj=" area_name like '%{$_GET['name']}%' ";
    	$name=$_GET["name"];
    }
    $ztj=" where {$tj}";
    ?>
    <form action="fenye.php" method="get">
    <div><input type="text" name="name" value="<?php echo $name; ?>"/><input type="submit" value="查询"/></div>
    </form>
    <br />
    <table width="100%" border="1" cellpadding="0" cellspacing="0">
    <tr>
        <td>代号</td>
        <td>父级代号</td>
        <td>名称</td>
    </tr>
    <?php
    
    //求总条数
    $szong="select count(*) from crm_area".$ztj;
    $azong=$db->Query($szong);
    $zongshu=$azong[0][0];//总条数
    //造分页对象
    $page=new Page($zongshu,15);//四个参数,第二个默认25,三四个有默认值
    //在SQL语句拼接分页条件
    $sql="select * from crm_area ".$ztj.$page->limit;
    echo $sql;
    $attr=$db->Query($sql);
    foreach($attr as $v)
    {
    	echo"
    	<tr>
        <td>{$v[0]}</td>
        <td>{$v[1]}</td>
        <td>{$v[2]}</td>
    	</tr>";
    }
    ?>
    </table>
    <div>
    <?php
    //返回分页信息
    echo $page->fpage();
    ?>
    </div>
    </body>
    </html>
    

      

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    </head>
    
    <body>
    <h1>主页面</h1>
    <?php
    include("DBDA.class.php");
    $db=new DBDA();
    include("page.class.php");
    $tj=" 1=1 ";
    $name="";
    if(!empty($_POST["name"]) && $_POST["name"]!="")
    {
    	$tj=" area_name like '%{$_POST['name']}%' ";
    	$name=$_POST["name"];
    }
    if(!empty($_GET["name"]) && $_GET["name"]!="")
    {
    	$tj=" area_name like '%{$_GET['name']}%' ";
    	$name=$_GET["name"];
    }
    $ztj=" where {$tj}";
    $posttj="name={$name}";
    ?>
    <form action="fenyepost.php" method="post">
    <div><input type="text" name="name" value="<?php echo $name; ?>"/><input type="submit" value="查询"/></div>
    </form>
    <br />
    <table width="100%" border="1" cellpadding="0" cellspacing="0">
    <tr>
        <td>代号</td>
        <td>父级代号</td>
        <td>名称</td>
    </tr>
    <?php
    
    //求总条数
    $szong="select count(*) from crm_area".$ztj;
    $azong=$db->Query($szong);
    $zongshu=$azong[0][0];//总条数
    //造分页对象
    $page=new Page($zongshu,15,$posttj);//四个参数,第二个默认25,三四个有默认值
    //在SQL语句拼接分页条件
    $sql="select * from crm_area ".$ztj.$page->limit;
    echo $sql;
    $attr=$db->Query($sql);
    foreach($attr as $v)
    {
    	echo"
    	<tr>
        <td>{$v[0]}</td>
        <td>{$v[1]}</td>
        <td>{$v[2]}</td>
    	</tr>";
    }
    ?>
    </table>
    <div>
    <?php
    //返回分页信息
    echo $page->fpage();
    ?>
    </div>
    </body>
    </html>
    

      

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  • 原文地址:https://www.cnblogs.com/hamilton/p/5603320.html
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