用php生成数据字典详解编程语言

<?php 
header("Content-type: text/html; charset=utf-8"); 
$dbserver = "localhost"; 
$dbusername="root"; 
$dbpassword="root"; 
$title = '数据字典'; 
if($_GET['db'] == ''){ 
$database = "aa"; 
}else{ 
$database = $_GET['db']; 
} 
$mysql_conn = @mysql_connect("{$dbserver}","{$dbusername}","{$dbpassword}") or die("Mysql connect is error."); 
mysql_select_db($database,$mysql_conn); 
$result = mysql_query('show tables',$mysql_conn); 
mysql_query('SET NAMES utf8',$mysql_conn); 
//取得所有表名 
while($row = mysql_fetch_array($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){ 
$html .='<td class="c1">'.$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>'; 
} 
$html .='</tbody></table></p>'; 
} 
echo '<html> 
<meta charset="UTF-8"> 
<title>自动生成数据字典</title> 
<style> 
body,td,th {font-family:"宋体"; font-size:12px;}   
table{border-collapse:collapse;border:1px solid #CCC;background:#efefef;}   
table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }   
table th{text-align:left; font-weight:bold;height:26px; line-height:26px; font-size:12px; border:1px solid #CCC;}   
table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;}   
.c1{ width: 120px;}   
.c2{ width: 120px;}   
.c3{ width: 70px;}   
.c4{ width: 80px;}   
.c5{ width: 80px;}   
.c6{ width: 270px;} 
</style> 
<body>'; 
echo '<h1 style="text-align:center;">'.$title.'</h1>'; 
echo $html; 
echo '</body></html>'; 
?>

原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/tech/pnotes/20426.html

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