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PHP MYSQL数据字典

2015-10-09 14:39 801 查看 
<?php

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

// 配置数据库
$dbserver = "localhost";
$dbusername = "root";
$dbpassword = "root";
$database = @$_GET['db']?$_GET['db']:'mydb';

// 其他配置
$title = '数据字典';

$mysql_conn = @mysql_connect ( "$dbserver", "$dbusername", "$dbpassword" ) or die ( "错误！MYSQL连接失败." );
mysql_select_db ( $database, $mysql_conn ) or die ( "错误！选择的数据库不存在." );;
mysql_query ( 'SET NAMES utf8', $mysql_conn );
$table_result = mysql_query ( 'show tables', $mysql_conn );
// 取得所有的表名
while ( $row = mysql_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 = mysql_query ( $sql, $mysql_conn );
while ( $t = mysql_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, $mysql_conn );
while ( $t = mysql_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 .= '<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>';
}

echo '<html>
<meta charset="gbk">
<title>自动生成数据字典</title>
<style>
body,td,th {font-family:"宋体"; font-size:12px;}
table{border-collapse:collapse;border:1px solid #CCC;background:#efefef;}
table caption{text-align:left; background-color:#ffd; line-height:2em; font-size:14px; font-weight:bold; color:#040;}
table th{text-align:left; height:26px; font-weight:normal;font-size:12px; border:1px solid #CCC;}
table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;}
.c1{ width: 120px;}
.c2{ width: 120px;}
.c3{ width: 70px;}
.c4{ width: 80px;}
.c5{ width: 80px;}
.c6{ width: 270px;}
</style>
<body bgcolor="#ffd">';
echo '<h2 style="text-align:center;color:blue;">'.$title.' -- '.$database.'</h2>';
echo $html;
echo '</body></html>';

?>
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