• php生成markdown格式的数据库字典


    <?php
    
    /**  
     * 生成mysql数据字典  
     */
    
    //数据库配置
    $config = [
        'host'     => '192.168.43.134',
        'user'     => 'root',
        'password' => '111111',
    ];
    
    function characet($data){
        if( !empty($data) ){
            $fileType = mb_detect_encoding($data , array('UTF-8','GBK','LATIN1','BIG5')) ;
            if( $fileType != 'UTF-8'){
                $data = mb_convert_encoding($data ,'utf-8' , $fileType);
            }
        }
        return $data;
    }
    
    function export_dict($dbname, $config) {
        $title = $dbname.' 数据字典';
        $dsn = 'mysql:dbname='.$dbname.';host='.$config['host'];
        //数据库连接
        try {
            $con = new PDO($dsn, $config['user'], $config['password'], [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);
        } catch (PDOException $e) {
            die('Connection failed: ' . $e->getMessage());
        }
    
        $con->query('SET NAMES utf8');
        $tables = $con->query('SHOW tables')->fetchAll(PDO::FETCH_COLUMN);
        
        //取得所有的表名
        foreach ($tables as $table) {
            $_tables[]['TABLE_NAME'] = $table;
        }
    
        //循环取得所有表的备注及表中列消息  
        foreach ($_tables as $k => $v) {  
    
            $sql = 'SELECT * FROM ';  
            $sql .= 'INFORMATION_SCHEMA.TABLES ';  
            $sql .= 'WHERE ';  
            $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$dbname}'";  
            $tr = $con->query($sql)->fetch(PDO::FETCH_ASSOC);
            $_tables[$k]['TABLE_COMMENT'] = $tr['TABLE_COMMENT'];
    
            $sql = 'SELECT * FROM ';  
            $sql .= 'INFORMATION_SCHEMA.COLUMNS ';  
            $sql .= 'WHERE ';  
            $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$dbname}'";  
            $fields = [];  
            $field_result = $con->query($sql)->fetchAll(PDO::FETCH_ASSOC);  
    
            foreach ($field_result as $fr)
            {
                $fields[] = $fr;
            }
            $_tables[$k]['COLUMN'] = $fields;
        }  
        unset($con);
    
        $mark = '';
    
        //循环所有表  
        foreach ($_tables as $k => $v) {  
    
            $mark .= '## '.$v['TABLE_NAME'].'  '. characet($v['TABLE_COMMENT']) .PHP_EOL;
            $mark .= ''.PHP_EOL;
            $mark .= '|  字段名  |  数据类型  |  默认值  |  允许非空  |  自动递增  |  备注  |'.PHP_EOL;
            $mark .= '| ------ | ------ | ------ | ------ | ------ | ------ |'.PHP_EOL;
            foreach ($v['COLUMN'] as $f) {  
                $mark .= '| '.$f['COLUMN_NAME'].' | '.$f['COLUMN_TYPE'].' | '.$f['COLUMN_DEFAULT'].' | '.$f['IS_NULLABLE'].' | '.($f['EXTRA'] == 'auto_increment' ? '是' : '').' | '.(empty($f['COLUMN_COMMENT']) ? '-' : str_replace('|', '/', $f['COLUMN_COMMENT'])).' |'.PHP_EOL;
            }  
            $mark .= ''.PHP_EOL;
    
        }  
    
        //markdown输出
        $md_tplt = <<<EOT
    # {$title}
    >   本数据字典由PHP脚本自动导出,字典的备注来自数据库表及其字段的注释(`comment`).开发者在增改库表及其字段时,请在 `migration` 时写明注释,以备后来者查阅.
    
    {$mark}
    EOT;
    
        //html输出
        $marked_text = htmlentities($md_tplt);
        $html_tplt = <<<EOT
    <!DOCTYPE html>
    <html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
        <title>{$title} - Powered By Markdown Viewer</title>
        <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
        <link rel="stylesheet" type="text/css" href="http://s1.ystatic.cn/41345695beaa9b2e/css/github-markdown.css">
        <script src="http://s1.ystatic.cn/lib/marked/marked.js"></script>
        <script src="http://s1.ystatic.cn/lib/highlight.js/highlight.pack.js?v=9.6.0"></script>
        <link href="http://s1.ystatic.cn/lib/highlight.js/styles/github.css?v=9.6.0" rel="stylesheet">
    </head>
    <body>
    <div class="markdown-body" id="content" style="margin:auto;  1024px;">
    
    </div>
    <div id="marked_text" style="display:none;">
    {$marked_text}
    </div>
    <script>
    var marked_text = document.getElementById('marked_text').innerText;
    var renderer = new marked.Renderer();
    renderer.table = function(header, body) {
        return '<table class="table table-bordered table-striped">\n'
                + '<thead>\n'
                + header
                + '</thead>\n'
                + '<tbody>\n'
                + body
                + '</tbody>\n'
                + '</table>\n';
    };
    marked.setOptions({
        renderer: renderer,
        gfm: true,
        tables: true,
        breaks: false,
        pedantic: false,
        sanitize: true,
        smartLists: true,
        smartypants: false,
        langPrefix: 'language-',
        //这里使用了highlight对代码进行高亮显示
        highlight: function (code) {
            return hljs.highlightAuto(code).value;
        }
    });
    document.getElementById('content').innerHTML = marked(marked_text);
      </script>
    </body>
    </html>
    EOT;
    
        file_put_contents($dbname.'.md', $md_tplt);
        file_put_contents($dbname.'.html', $html_tplt);
    }
    
    $dbs = ['huolicai'];
    foreach ($dbs as $db) {
        export_dict($db, $config);
    }
    ?>  
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  • 原文地址:https://www.cnblogs.com/spicy/p/8400350.html
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