pgsql 展示表结构。从网上找的mysql的改的

<?php
/**
 * 生成mysql/pgsql数据字典
 */
header("Content-type: text/html; charset=utf-8");

// 配置数据库
$dbserver   = "127.0.01";
$dbusername = "root";
$dbpassword = "root";
$database   = !empty($_GET['db']) ? $_GET['db'] : "test";
$dbtype     = !empty($_GET['type']) ? $_GET['type'] : "mysql";

if ($dbtype == 'mysql') {
    mysqlshow($dbserver, $dbusername, $dbpassword, $database);
} else {
    pgshow($dbserver, $dbusername, $dbpassword, $database);
}

function pgshow($dbserver, $dbusername, $dbpassword, $database)
{
    $defaultField = ['id' => 'ID', 'uid' => '用户uid', 'created' => '插入时间'];
    $title        = '数据字典[' . $database . ']';
    $dsnPgsql     = "pgsql:host={$dbserver};port=5432;dbname={$database}";
    $conn         = new PDO($dsnPgsql, $dbusername, $dbpassword);
    if (!$conn) echo "Error : Unable to open database\n";
    $rs           = $conn->query("select * from pg_tables where schemaname = 'public' order by tablename ");
    $table_result = $rs->fetchAll();
    // 取得所有的表名
    foreach ($table_result as $table) {
        $tables[]['TABLE_NAME'] = $table['tablename'];
    }
    // 循环取得所有表的备注及表中列消息
    foreach ($tables as $k => $v) {
        $sql = "select relname as table_name,cast(obj_description(relfilenode,'pg_class') as varchar) as table_comment from pg_class c where  relkind = 'r' and relname = '{$v['TABLE_NAME']}' ";

        $rs           = $conn->query($sql);
        $table_result = $rs->fetchAll();
        foreach ($table_result as $t) {
            $tables[$k]['TABLE_CN_NAME'] = $t['table_comment'];
            $tables[$k]['TABLE_COMMENT'] = $t['table_comment'];
        }
        $sql = "select a.attname as column_name, (select description from pg_description where objoid=a.attrelid and objsubid=a.attnum) as column_comment,
format_type(a.atttypid,a.atttypmod) as column_type,
(select adsrc from pg_attrdef where adrelid=a.attrelid and adnum=a.attnum) as column_default
from pg_attribute a where 1=1 and a.attrelid=(select oid from pg_class where relname='{$v['TABLE_NAME']}' ) 
and a.attnum>0 and not a.attisdropped order by a.attnum";

        $fields       = array();
        $rs           = $conn->query($sql);
        $field_result = $rs->fetchAll();
        foreach ($field_result as $t) {
            if (isset($defaultField[$t['column_name']]) && empty($t['column_comment'])){
                $t['column_comment'] = $defaultField[$t['column_name']];
            }
            $fields[] = $t;
        }
        $tables[$k]['COLUMN'] = $fields;
    }

    $html = '';// $html = '<div style="float:right">'; // 适应手机的代码
    $mulu = '<div class="mulu">
<ul style="size:14px;background-color: rgb(220, 220, 220);opacity:0.85;font-weight:bold;padding:5px;">'; // 目录
// 循环所有表
    foreach ($tables as $k => $v) {
        $muluCn = !empty($v['TABLE_CN_NAME']) ? ' <span style="color:#1056d6;font-weight: normal;">' . $v['TABLE_CN_NAME'] . '</span>' : '';
        $mulu   .= '<li><a style="text-decoration:none;color:#000" href="#' . $v ['TABLE_NAME'] . '">' . $v ['TABLE_NAME'] . $muluCn . '</a></li>';

        $html .= '<table   cellspacing="0" cellpadding="0">';
        $html .= '<caption><a name="' . $v ['TABLE_NAME'] . '">' . $v ['TABLE_NAME'] . '  ' . $v ['TABLE_COMMENT'] . '</a></caption>';
        $html .= '<tbody><tr><th>字段名</th><th>备注</th><th>数据类型[默认值]</th></tr>';
        $html .= '';
        foreach ($v['COLUMN'] as $f) {
            $html .= '<tr><td class="c1">' . $f ['column_name'] . '</td>';
            $html .= '<td class="c4">&nbsp;' . $f ['column_comment'] . '</td>';
            $html .= '<td class="c3">' . $f ['column_type'] . ' <div style="float:right">[' . $f ['column_default'] . ']</div>' . '</td>';
            $html .= '</tr>';
        }

        $rs = $conn->query("select * from pg_indexes where tablename = '{$v['TABLE_NAME']}'");
        $r  = $rs->fetchAll();
        foreach ($r as $t) {
            $html .= '<tr><td  style="background:#90EE90" class="c1">' . $t['indexname'] . '</td>';
            $html .= '<td  style="background:#90EE90" class="c4">&nbsp;' . $t ['indexdef'] . '</td>';
            $html .= '<td  style="background:#90EE90" class="c3"></td>';
            $html .= '</tr>';
        }
        $html .= '</tbody></table>';
    }

// $html.= '</div>'; // 适应手机的代码
    $mulu .= '</ul></div>';
    echoHtml($title,$mulu,$html);
}

function mysqlshow($dbserver, $dbusername, $dbpassword, $database)
{
    $title = '数据字典[' . $database . ']';
    $mysql_conn = @mysqli_connect("$dbserver", "$dbusername", "$dbpassword", $database) or die ("Mysql connect is error.");
    mysqli_query($mysql_conn, 'SET NAMES utf8');
    $table_result = mysqli_query($mysql_conn, 'show tables');
// 取得所有的表名
    while ($row = mysqli_fetch_array($table_result)) {
        $tables [] ['TABLE_NAME'] = $row [0];
    }

// 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}'";
        $table_result = mysqli_query($mysql_conn, $sql);
        while ($t = mysqli_fetch_assoc($table_result)) {
            // var_dump($t);exit;
            $tables [$k] ['TABLE_CN_NAME'] = $t['TABLE_COMMENT'];
            $tables [$k] ['TABLE_COMMENT'] = $t['TABLE_COMMENT'] . ' [rows:' . number_format($t ['TABLE_ROWS']) . ']';
        }
        $sql = 'SELECT * FROM ';
        $sql .= 'INFORMATION_SCHEMA.COLUMNS ';
        $sql .= 'WHERE ';
        $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database}'";

        $fields       = array();
        $field_result = mysqli_query($mysql_conn, $sql);

        while ($t = mysqli_fetch_assoc($field_result)) {
            $fields [] = $t;
        }
        $tables [$k] ['COLUMN'] = $fields;
    }

    $html = '';// $html = '<div style="float:right">'; // 适应手机的代码
    $mulu = '<div class="mulu">
<ul style="size:14px;background-color: rgb(220, 220, 220);opacity:0.85;font-weight:bold;padding:5px;">'; // 目录
// 循环所有表
    foreach ($tables as $k => $v) {
        $muluCn = !empty($v['TABLE_CN_NAME']) ? ' <span style="color:#1056d6;font-weight: normal;">' . $v['TABLE_CN_NAME'] . '</span>' : '';
        $mulu   .= '<li><a style="text-decoration:none;color:#000" href="#' . $v ['TABLE_NAME'] . '">' . $v ['TABLE_NAME'] . $muluCn . '</a></li>';

        $html .= '<table   cellspacing="0" cellpadding="0">';
        $html .= '<caption><a name="' . $v ['TABLE_NAME'] . '">' . $v ['TABLE_NAME'] . '  ' . $v ['TABLE_COMMENT'] . '</a></caption>';
        $html .= '<tbody><tr><th>字段名</th><th>备注</th><th>数据类型[默认值]</th></tr>';
        $html .= '';
        foreach ($v ['COLUMN'] as $f) {
            $html .= '<tr><td class="c1">' . $f ['COLUMN_NAME'] . '</td>';
            $html .= '<td class="c4">&nbsp;' . $f ['COLUMN_COMMENT'] . '</td>';
            $html .= '<td class="c3">' . $f ['COLUMN_TYPE'] . ' <div style="float:right">[' . $f ['COLUMN_DEFAULT'] . ']</div>' . '</td>';
            $html .= '</tr>';
        }

        $r              = mysqli_query($mysql_conn, 'show index from ' . $v['TABLE_NAME']);
        $_tmp_index_arr = [];
        while ($t = mysqli_fetch_assoc($r)) {
            if (isset($_tmp_index_arr[$t ['Key_name']])) {
                $_tmp_index_arr[$t ['Key_name']]['Column_name'] .= ', ' . $t ['Column_name'];
            } else {
                $_tmp_index_arr[$t ['Key_name']]['Key_name']    = $t ['Key_name'];
                $_tmp_index_arr[$t ['Key_name']]['Column_name'] = $t ['Column_name'];
                $_tmp_index_arr[$t['Key_name']]['Index_type']   = $t['Index_type'];
                $_tmp_index_arr[$t['Key_name']]['title']        = ($t['Non_unique'] === '0') ? 'UNIQUE' : 'INDEX';
            }
        }
        foreach ($_tmp_index_arr as $tmp_v) {
            $html .= '<tr><td  style="background:#90EE90" class="c1">' . $tmp_v['title'] . ' : ' . $tmp_v ['Key_name'] . '</td>';
            $html .= '<td  style="background:#90EE90" class="c4">&nbsp;' . $tmp_v ['Column_name'] . '</td>';
            $html .= '<td  style="background:#90EE90" class="c3">' . $tmp_v ['Index_type'] . '</td>';
            $html .= '</tr>';
        }
        $html .= '</tbody></table>';
    }
    mysqli_close($mysql_conn);

// $html.= '</div>'; // 适应手机的代码
    $mulu .= '</ul></div>';
    echoHtml($title,$mulu,$html);

}


function echoHtml($title,$mulu,$html){
    // 输出
    echo '<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>' . $title . '</title>
<style>
body,td,th {font-size:12px;}
table{border-collapse:collapse;border:1px solid #CCC;background:#6089D4;word-break:break-all;word-wrap:break-word;float:left;margin-left: 305px}
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: 130px;}
.c2{ width: 200px;}
.c3{ width: 300px;}
.c4{ width: 400px;}
.c5{ width: 500px;}
.c6{ width: 600px;}
.mulu {position:fixed;top:0px;overflow:scroll;max-width:300px;bottom:0;}
</style>
</head>
<body>';
    echo '<h1 style="text-align:center;">' . $title . '</h1>';
    echo $mulu;
    echo $html;
    echo '</body></html>';
}
pgsql 展示表结构。从网上找的mysql的改的

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