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刚和国家机关感觉感觉钢结构
刚和国家机关感觉感觉钢结构
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Nihao
#include #include #include #include #include #include #include #include #include using namespace std; class ArpSys { unordered_map Arp; vector> ArpBuffer; unordered_map BufferByPerIp; int maxARP=0, maxBuffer=0, maxBufferByPerIp=0, curArpNum=0; public: ArpSys(int arpCap, int cachedPktCap, int perIpCap) { maxARP=arpCap; maxBuffer=cachedPktCap; maxBufferByPerIp=perIpCap; } vector Update(int ip, const string& macAddr) { auto it = ArpBuffer; if(it!=ArpBuffer.end()) return {}; } string Forward(int ip, int pktId) { return "; } };
namespace IoContext { class Reader { public: explicit Reader(istream& in) : is(in) { } string GetCmd() { char c; is >> c; if (!is.good()) { return "; } string cmd{}; while (c != '(' && c != ' ' && c != ' ' && c != ' ' && c != ' ' && c != char_traits::eof()) { cmd.push_back(c); c = static_cast(is.get()); } if (c == '(') { is.unget(); } return cmd; } bool PickChar(char c) { char x; is >> x; return !is.fail() && x == c; } template bool ReadManyEach(T& value, U&... others) { if (!Read(value)) { return false; } if constexpr (sizeof...(others) == 0) { return PickChar(')'); } else { if (!PickChar(',')) { return false; } return ReadManyEach(others...); } } template bool ReadMany(T&... values) { if (!PickChar('(')) { return false; } if constexpr (sizeof...(values) == 0) { return PickChar(')'); } else { return ReadManyEach(values...); } }
bool IsGood() const { return is.good(); } template enable_if_t && !is_same_v, bool> Read(T& value) { is >> boolalpha >> value; return !is.fail(); } bool Read(string& value) { if (!PickChar('"')) { return false; } char c = static_cast(is.get()); while (c != '"') { value.push_back(c); c = static_cast(is.get()); if (is.fail()) { return false; } } return true; } private: istream& is; };
class Writer { public: explicit Writer(ostream& out) : os(out) { } template Writer& PutRaw(const T& value) { os << value; return *this; } template static auto IsIterable(const T& value) -> decltype((void)std::begin(declval()), true_type()); static false_type IsIterable(...);
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【考题】为防止长期摸鱼导致变笨，特此准备了几道题考考你！ 1．至今思项羽，不（）过江东。 2．阳春布（）泽，万物生光辉。3．书籍是人类进步的阶梯。-﹣高尔（) 4．世人笑我太（）癫，我笑他人看不穿。 5．老夫聊发少年（)，左牵黄，右擎苍。 6．危楼高百尺，手可摘（）辰。7．君问归期未有（)，巴山夜雨涨秋池。 8.(）面边声连角起，千嶂里，长烟落日孤城闭。 9．料峭春风吹酒醒，(）冷，山头斜照却相迎。 10.(）闻琵琶已叹息，又闻此语重唧唧。 11．锦瑟无端（)(）弦，一弦一柱思华年


<!DOCTYPE html>

<html>

    <head>

        <title>BLOG</title>

        <meta charset="utf-8">

        <!--样式表-->

            <?php $serverIP = gethostbyname($_SERVER['SERVER_NAME']);

            ?>

            <link rel="stylesheet" href="https://<?php echo $serverIP;?>/blog/styles/index.css">

    </head>

    <body>

        

        <!--导航栏-->

            <div class="navbar">

                <a href="https://<?php echo $serverIP;?>/blog" class="active">首页</a>

                <a href="https://<?php echo $serverIP;?>/blog/content/DatabaseQuery.php">数据库查询</a>

                <!--文件操作-->

                    <div class="dropdown">

                        <a href="#news" class="dropbtn">文件操作</a>

                        <div class="dropdown-content">

                            <a href="https://<?php echo $serverIP;?>/blog/content/FileUpLoad.php">文件上传</a>   

                            <a href="https://<?php echo $serverIP;?>/blog/content/FileDownLoad.php">文件下载</a>

                            <a href="https://<?php echo $serverIP;?>/blog/content/FileDelete.php">文件删除</a>

                            <a href="https://<?php echo $serverIP;?>/blog/content/FileRead&Write.php">文件读取和写入</a>

                        </div>

                    </div>

                <!--连接维持-->

                    <div class="dropdown">

                        <a href="#news" class="dropbtn">连接维持</a>

                        <div class="dropdown-content">

                            <a href="https://<?php echo $serverIP;?>/blog/content/COOKIE.php">COOKIE</a>   

                            <a href="https://<?php echo $serverIP;?>/blog/content/SESSION.php">SESSION</a>

                        </div>

                    </div>

                <!--JS-Ajax-->

                    <div class="dropdown">

                        <a href="#news" class="dropbtn">JS-Ajax</a>

                        <div class="dropdown-content">

                            <a href="https://<?php echo $serverIP;?>/blog/content/js_upfiles.php">文件上传</a>

                            <a href="https://<?php echo $serverIP;?>/blog/content/js_login.php">登录</a>

                            <a href="https://<?php echo $serverIP;?>/blog/content/js_shop.php">购物商城</a>

                        </div>

                    </div>

            </div>

            <hr>

        <!--搜索-->

            <form action="" method="post" enctype="multipart/form-data">

                <label for="search">搜索</label>

                <input type="search" name="search">

                <input type="submit" value="搜索">

            </form>

            <?php

                $n=$_COOKIE['user'];echo $n;

                include("/opt/lampp/htdocs/blog/config/conn.php");

                if(isset($_POST['search']) && $_POST['search']!==''){

                    $x=$_POST['search'];

                    $sql = "SELECT * FROM blog_db.posts WHERE title like '%$x%'";

                    $result = mysqli_query($conn, $sql);

                    echo "查询 $x 的结果:<br>";

                    echo '查询总数量： '.mysqli_num_rows($result).'<br><br>';

                    if (mysqli_num_rows($result) > 0) 

                    {

                        while($row = mysqli_fetch_array($result)) {

                            echo "post_id:".$row['post_id'];

                            echo "<br>";

                            echo "author_id:".$row['author_id'];

                            echo "<br>";

                            echo "title:".$row['title'];

                            echo "<br>";

                            echo "slug:".$row['slug'];

                            echo "<br>";

                            echo "content:".$row['content'];

                            echo "<br>";

                            echo "created_at:".$row['created_at'];

                            echo "<br>";

                            echo "updated_at:".$row['updated_at'];

                            echo "<br><br>";

                        }

                    } else {

                        echo "0 结果";

                    }

                    mysqli_close($conn);

                }

            ?>

        <!--留言板-->

            <div>

                <h2>留言板</h2>

                <form action="" method="POST">

                    <textarea  name="msg" rows="10" cols="50"></textarea><br>

                    <input type="submit" value="留言">

                </form>

                    <?php

                        if(isset($_POST['msg']) && $_POST['msg']!==''){

                            $msg=$_POST['msg'];

                            //echo $msg;

                            include("/opt/lampp/htdocs/blog/config/conn.php");

                            $sql = "SELECT * FROM blog_db.messages";

                            $result = mysqli_query($conn, $sql);

                            //print_r($result);

                            $sql = "INSERT INTO messages (message) values(\"$msg\")";

                            mysqli_query($conn, $sql);

                            mysqli_close($conn); 

                        }

                    ?>

                <div style="padding:10px;background:#bfffcb;color:#ea5151">

                    <?php 

                        include("/opt/lampp/htdocs/blog/config/conn.php");

                        $sql = "SELECT * FROM blog_db.messages";

                        $result = mysqli_query($conn, $sql);

                        //print_r($result);

                        if (mysqli_num_rows($result) > 0) 

                        {

                            while($row = mysqli_fetch_array($result)) {

                                echo $row['message']."<br>";

                            }

                        }else{

                            echo "无留言!";

                        }

                        mysqli_close($conn);

                    ?>

                </div>

            </div>

        <!--展示源码-->

            <h1>展示源码</h1>

                <button class="source" style="float:left">源码</button>

                <div class="source" style="float:left">

                    <?php

                        show_source(__file__);

                    ?>

                </div> 

        <?php system('whoami');?>

    </body>

</html>