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php生成数据字典

php生成数据字典

作者: 超人又来了 | 来源:发表于2017-12-07 15:08 被阅读0次

    <?php
    /**

    • 生成mysql数据字典
      */
      header("Content-type: text/html; charset=utf-8");
      //配置数据库
      $dbserver = "127.0.0.1";
      $dbusername = "root";
      $dbpassword = "";
      $database = "yidaimai002";

    //其他配置
    $mysql = new MySQLi("$dbserver", "$dbusername", "$dbpassword", "$database") or die("Mysql connect is error.");
    $mysql -> set_charset('utf8');
    $table_result = $mysql->query('show tables');

    $no_show_table = array(); //不需要显示的表
    $no_show_field = array(); //不需要显示的字段

    //取得所有的表名
    while($row = mysqli_fetch_array($table_result)){
    if(!in_array($row[0],$no_show_table)){
    $tables[]['TABLE_NAME'] = $row[0];
    }
    }
    //替换所以表的表前缀
    // $prefix = 'ydm_';
    // foreach($tables as $key => $val){
    // $tableName = $val['TABLE_NAME'];
    // $string = explode('',$tableName);
    // if($string[0] != $prefix){
    // $string[0] = $prefix;
    // $newTableName = implode('
    ', $string);
    // $mysql->query('rename table '.$tableName.' TO '.$newTableName);
    // }
    // }
    // echo "替换成功!";exit();

    //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 = '{$database}'";
    $table_result = $mysql->query($sql);
    while ($t = mysqli_fetch_array($table_result) ) {
    $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT'];
    }

    $sql  = 'SELECT * FROM ';
    $sql .= 'INFORMATION_SCHEMA.COLUMNS ';
    $sql .= 'WHERE ';
    $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database}'";
    
    $fields = array();
    $field_result = $mysql->query($sql);
    while ($t = mysqli_fetch_array($field_result) ) {
        $fields[] = $t;
    }
    $tables[$k]['COLUMN'] = $fields;
    

    }
    // $mysql->close($mysql_conn);

    $html = '';
    //循环所有表
    foreach ($tables as $k=>$v) {
    $html .= ' <h3>' . ($k + 1) . '、' . $v['TABLE_COMMENT'] .' ('. $v['TABLE_NAME']. ')</h3>'."\n";
    $html .= ' <table border="1" cellspacing="0" cellpadding="0" width="100%">'."\n";
    $html .= ' <tbody>'."\n";
    $html .= ' <tr>'."\n";
    $html .= ' <th>字段名</th>'."\n";
    $html .= ' <th>数据类型</th>'."\n";
    $html .= ' <th>默认值</th>'."\n";
    $html .= ' <th>允许非空</th>'."\n";
    $html .= ' <th>自动递增</th>'."\n";
    $html .= ' <th>备注</th>'."\n";
    $html .= ' </tr>'."\n";

    foreach ($v['COLUMN'] as $f) {
        if(!@is_array($no_show_field[$v['TABLE_NAME']])){
            $no_show_field[$v['TABLE_NAME']] = array();
        }
        if(!in_array($f['COLUMN_NAME'],$no_show_field[$v['TABLE_NAME']])){
            $html .= '          <tr>'."\n";
            $html .= '              <td class="c1">' . $f['COLUMN_NAME'] . '</td>'."\n";
            $html .= '              <td class="c2">' . $f['COLUMN_TYPE'] . '</td>'."\n";
            $html .= '              <td class="c3">' . $f['COLUMN_DEFAULT'] . '</td>'."\n";
            $html .= '              <td class="c4">' . $f['IS_NULLABLE'] . '</td>'."\n";
            $html .= '              <td class="c5">' . ($f['EXTRA']=='auto_increment'?'是':'&nbsp;') . '</td>'."\n";
            $html .= '              <td class="c6">' . $f['COLUMN_COMMENT'] . '</td>'."\n";
            $html .= '          </tr>'."\n";
        }
    }
    $html .= '      </tbody>'."\n";
    $html .= '  </table>'."\n";
    

    }
    ?>
    <!doctype html>
    <html>
    <head>
    <meta charset="utf-8">
    <title>数据库数据字典</title>
    <style>
    body, td, th { font-family: "微软雅黑"; font-size: 14px; }
    .warp{margin:auto; width:900px;}
    .warp h3{margin:0px; padding:0px; line-height:30px; margin-top:10px;}
    table { border-collapse: collapse; border: 1px solid #CCC; background: #efefef; }
    table th { text-align: left; font-weight: bold; height: 26px; line-height: 26px; font-size: 14px; text-align:center; border: 1px solid #CCC; padding:5px;}
    table td { height: 20px; font-size: 14px; border: 1px solid #CCC; background-color: #fff; padding:5px;}
    .c1 { width: 120px; }
    .c2 { width: 120px; }
    .c3 { width: 150px; }
    .c4 { width: 80px; text-align:center;}
    .c5 { width: 80px; text-align:center;}
    .c6 { width: 270px; }
    </style>
    </head>
    <body>
    <div class="warp">
    <h1 style="text-align:center;">数据库数据字典</h1>
    <?php echo $html; ?>
    </div>
    </body>
    </html>

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