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  • php练习

    
    
    <head>
    <style type="text/css">
    .test
    {
        width:200px;
        height:50px;
        float:left;
    }
    </style>
    </head>

    <
    body> <div class="test">AA</div> <div class="test">BB</div> <div class="test">CC</div> <div class="test">DD</div> <div class="test">EE</div> <div class="test">FF</div> <div style="clear:both"></div> <div style="100px; height:100px; background-color:#03C">TEST</div> </body>
    <style type="text/css">
    *
    {
        margin:0px auto;
        padding:0px;
    }
    .hy
    {
        width:200px;
        height:50px;
        margin-top:5px;
    }
    .hy:hover
    {
        background-color:#60C;
        cursor:pointer;
        color:white;
    }
    .pic
    {
        width:50px;
        height:50px;
        float:left;
    }
    .nk
    {
        height:50px;
        width:130px;
        float:left;
        margin-left:20px;
        line-height:50px;
        vertical-align:middle;
    }
    </style>
    </head>
    
    <body>
    
    
    
    <?php

    $uid
    = "18653378660"; //登录者
    ?>
     
    
    
    
    
    
    
    <?php

    //
    1.造连接对象 $db = new MySQLi("localhost","root","123","weixin"); //2.判断连接是否出错 !mysqli_connect_error() or die("连接失败!"); //3.写SQL语句 $sql = "select Friends from Friends where Uid='{$uid}'"; //4.执行SQL语句 $result = $db->query($sql); //5.从结果集中读取数据 $attr = $result->fetch_all(); //var_dump($attr); //循环读取好友的用户名 foreach($attr as $v) { $fuid = $v[0]; //好友用户名 //根据好友的用户名去查Users表查出昵称和头像 $sqlu = "select NickName,Pic from Users where Uid='{$fuid}'"; $r = $db->query($sqlu); $attru = $r->fetch_row(); echo "<div class='hy' onclick='Select(this)'> <div class='pic'><img src='{$attru[1]}' width='50' height='50' /></div> <div class='nk'>{$attru[0]}</div> </div>"; }
    ?>

     
    </body>
    <script type="text/javascript">
    function Select(aa)
    {
        //清除原选中状态
        var div = document.getElementsByClassName("hy");
        for(var i=0; i<div.length;i++)
        {
            div[i].style.backgroundColor = "white";
            div[i].style.color = "#000000";
        }
        
        //设置选中
        aa.style.backgroundColor = "#60C";
        aa.style.color = "white";
    }
    
    </script>
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  • 原文地址:https://www.cnblogs.com/xingfudehuanyan/p/5486144.html
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