• php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>
    <br />
    <form action="main.php" method="post">
    <div>姓名:
    <input type="text" name="xm" /> 
    <input type="submit" value="查询" />
    </div>
    </form>
    <br />
    <table width="100%" border="1" cellpadding="0" cellspacing="0">
        <tr>
            <td>代号</td>
            <td>姓名</td>
            <td>性别</td>
            <td>民族</td>
            <td>生日</td>
            <td>操作</td>
        </tr>
        
        <?php
        
        //先判断有没有提交值
        $xxm = "";
        $tj = " 1=1 ";
        if(!empty($_POST["xm"]) && $_POST["xm"]!="")
        {
            $xxm = $_POST["xm"];
            $tj = " name like '%{$xxm}%' ";
        }
        
        //造连接对象
        $db = new  MySQLi("localhost","root","123","mydb");
        //写SQL语句
        $sql = "select * from info where ".$tj;
        echo $sql;
        //执行SQL语句
        $result = $db->query($sql);
        //读数据
        $attr = $result->fetch_all();
        
        foreach($attr as $v)
        {
            echo "<tr>";
            
            $sex = $v[2]?"男":"女";
            
            //根据名族代号查询名族名称
            $name = NationName($v[3]);
            
            //替换关键字
            $newname = str_replace($xxm,"<mark>{$xxm}</mark>",$v[1]);
            
            echo "<td>{$v[0]}</td><td>{$newname}</td><td>{$sex}</td><td>{$name}</td><td>{$v[4]}</td><td><a href='shanchu.php?c={$v[0]}' onclick="return confirm('确定删除么?')">删除</a><a href='xiugai.php?c={$v[0]}'>修改</a></td>";
            
            /*foreach($v as $v1)
            {
                echo "<td>{$v1}</td>";
            }*/
            
            echo "</tr>";
        }
        
        //给一个民族代号,返回民族名称
        function NationName($code)
        {
            //造连接对象
            $db = new  MySQLi("localhost","root","123","mydb");
            //写SQL语句
            $sql = "select name from nation where code='{$code}'";
            //执行SQL语句
            $result = $db->query($sql);
            
            $attr = $result->fetch_row();
            
            return $attr[0];
        }
        
        ?>
        
        
    </table>
    <a href="add.php"><input type="button" value="添加数据" /></a>
    
    
    
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/sq45711478/p/6014358.html
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