php生成数据字典

2016-10-17 liyangweb.com 李杨 PHP

开发中数据库必不可少,关于数据字典,独自开发的小项目还好 ,一旦项目大起来,或者其他开发人员参与进来,那么数据库就像是一本天书,尤其一些状态值,更是猜不透什么意思,这时候一个完善的状态字典就显得意义非凡了,而编写数据字典又是一件异常繁琐的事,尤其是数据库结构出现变动的时候。不过有了这个,生成数据字典将是一件非常享受的事情。

代码是网上找的,非原创,效果图如下:

QQ截图20161017152752.png

代码如下:

<?php  
 /**  
  * 生成mysql数据字典  
  */  
 //配置数据库  
 $dbserver   = "127.0.0.1";  
 $dbusername = "账号";  
 $dbpassword = "密码";  
 $database      = "数据库";  
 //其他配置  
 $title = '数据字典';  
 $mysql_conn = @mysql_connect("$dbserver", "$dbusername", "$dbpassword") or die("Mysql connect is error.");  
 mysql_select_db($database, $mysql_conn);  
 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 .= '<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:#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>  
 </head>  
 <body>';  
 echo '<h1 style="text-align:center;">'.$title.'</h1>';  
 echo $html;  
 echo '</body></html>';  
 ?>  

标签: mysql PHP

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