<?php
header("Content-Type:text/html;charset=utf8");
//error_reporting(0);
$dbserver = "127.0.0.1";
$dbusername="root";
$dbpassword="root";
$title = '数据库字典';
// if(is_null($_GET['db'])){
$database = "php39";
// }else{
// $database = $_GET['db'];
// }
$mysql_conn = mysqli_connect("{$dbserver}","{$dbusername}","{$dbpassword}") or die("Mysql connect is error.");
mysqli_select_db($mysql_conn,$database);
$result = mysqli_query($mysql_conn,'show tables');
mysqli_query($mysql_conn,'SET NAME GBK');
//取得所有表名
while($row = mysqli_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}'";
$table_result = mysqli_query($mysql_conn,$sql);
while($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();
$field_result = mysqli_query($mysql_conn,$sql);
while($t = mysqli_fetch_array($field_result)){
$fields[] = $t;
}
$tables[$k]['COLUMN'] = $fields;
}
mysqli_close($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>';
}
$html .='</tbody></table></p>';
}
echo '<html>
<meta charset="gbk">
<title>自动生成数据字典</title>
<style>
body,td,th {font-family:"宋体"; font-size:12px;}
table{border-collapse:collapse;border:1px solid #CCC;background:#efefef;}
table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }
table th{text-align:left; font-weight:bold;height:26px; line-height:26px; font-size:12px; border:1px solid #CCC;}
table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;}
.c1{ 120px;}
.c2{ 120px;}
.c3{ 70px;}
.c4{ 80px;}
.c5{ 80px;}
.c6{ 270px;}
</style>
<body>';
echo '<h1 style="text-align:center;">'.$title.'</h1>';
echo $html;
echo '</body></html>';