PHP7生成数据字典公司测试老是在抱怨说我们没有数据字典，一直比较忙，今天抽空弄了一下，下面这个代码也是从网上弄的，不过

公司测试老是在抱怨说我们没有数据字典，一直比较忙，今天抽空弄了一下，下面这个代码也是从网上弄的，不过他以前是PHP5.6的，我就是稍微改了下，支持PHP7。因为这个代码我看网上太多了，我也找不到原始出处了，如果有冒犯，可联系我，我删除就是了。

<?php

header ( "Content-type: text/html; charset=utf-8" );

$title = '数据字典';
$env = 'dev';
$dbConfig = [
      'local' =>[
          'host' =>"localhost",
          'port' =>3306,
          'user' =>"root",
          'pwd' =>"666666",
          'db' =>"zbase",
      ],
       'dev' =>[
          'host' =>"172.1.10.9",
          'port' =>6397,
          'user' =>"test",
          'pwd' =>"test123456",
          'db' =>"zbase",
      ]
];


if (!isset($dbConfig[$env])){
    exit("无数据配置，请先配置\$dbconfig");
}

$dbConfig = $dbConfig[$env];

$dsn = sprintf("mysql:host=%s:%s;dbname=%s",$dbConfig['host'], $dbConfig['port'], $dbConfig['db']);
$db = new PDO($dsn, $dbConfig['user'], $dbConfig['pwd']);
if (!$db){
    exit("Database Connect Error");
}

$res = $db->query ( 'show tables');
// 取得所有的表名
while ( $row =  $res->fetch(PDO::FETCH_ASSOC)) {
    $tables [] ['TABLE_NAME'] = current($row);
}


// 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 = '{$dbConfig['db']}'";
    $res = $db->query ( $sql );
    while ( $t = $res->fetch(PDO::FETCH_ASSOC) ) {
        $tables [$k] ['TABLE_COMMENT'] = $t ['TABLE_COMMENT'];
    }

    $sql = 'SELECT * FROM ';
    $sql .= 'INFORMATION_SCHEMA.COLUMNS ';
    $sql .= 'WHERE ';
    $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$dbConfig['db']}'";

    $fields = array ();
    $res = $db->query ( $sql );
    while ( $t = $res->fetch(PDO::FETCH_ASSOC) ) {
        $fields [] = $t;
    }
    $tables [$k] ['COLUMN'] = $fields;
}


$html = '';
// 循环所有表
foreach ( $tables as $k => $v ) {
    // $html .= '<p><h2>'. $v['TABLE_COMMENT'] . ' </h2>';
    $html .= '<table  border="1" cellspacing="0" cellpadding="0" align="center">';
    $html .= '<caption>' . $v ['TABLE_NAME'] . '  ' . $v ['TABLE_COMMENT'] . '</caption>';
    $html .= '<tbody><tr><th>字段名</th><th>数据类型</th><th>默认值</th>
    <th>允许非空</th>
    <th>自动递增</th><th>备注</th></tr>';
    $html .= '';

    foreach ( $v ['COLUMN'] as $f ) {
        $html .= '<tr><td class="c1">' . $f ['COLUMN_NAME'] . '</td>';
        $html .= '<td class="c2">' . $f ['COLUMN_TYPE'] . '</td>';
        $html .= '<td class="c3"> ' . $f ['COLUMN_DEFAULT'] . '</td>';
        $html .= '<td class="c4"> ' . $f ['IS_NULLABLE'] . '</td>';
        $html .= '<td class="c5">' . ($f ['EXTRA'] == 'auto_increment' ? '是' : ' ') . '</td>';
        $html .= '<td class="c6"> ' . $f ['COLUMN_COMMENT'] . '</td>';
        $html .= '</tr>';
    }
    $html .= '</tbody></table></p>';
}

// 输出
echo '<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>' . $title . '</title>
<style>
body,td,th {font-family:"宋体"; font-size:12px;}
table{border-collapse:collapse;border:1px solid #CCC;background:#6089D4;}
table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }
table th{text-align:left; font-weight:bold;height:26px; line-height:25px; font-size:16px; border:3px solid #fff; color:#ffffff; padding:5px;}
table td{height:25px; font-size:12px; border:3px solid #fff; background-color:#f0f0f0; padding:5px;}
.c1{ width: 150px;}
.c2{ width: 130px;}
.c3{ width: 70px;}
.c4{ width: 80px;}
.c5{ width: 80px;}
.c6{ width: 300px;}
</style>
</head>
<body>';
echo '<h1 style="text-align:center;">' . $title . '</h1>';
echo $html;
echo '</body></html>';