PHP实现获取并生成数据库字典的方法

2021-01-14 18:39懒人 PHP教程

这篇文章主要介绍了PHP实现获取并生成数据库字典的方法,可实现读取数据库并列出详细数据库信息的功能,需要的朋友可以参考下

本文实例讲述了PHP实现获取并生成数据库字典的方法。分享给大家供大家参考，具体如下：

PHP实现获取并生成数据库字典的方法

									<?php

									/**

									 * 生成mysql数据字典

									 */

									header("Content-type:text/html;charset=utf-8");

									// 配置数据库

									$database = array();

									$database['DB_HOST'] = 'localhost';

									$database['DB_NAME'] = 'test';

									$database['DB_USER'] = 'root';

									$database['DB_PWD'] = '';

									$mysql_conn = @mysql_connect("{$database['DB_HOST']}", "{$database['DB_USER']}", "{$database['DB_PWD']}") or die("Mysql connect is error.");

									mysql_select_db($database['DB_NAME'], $mysql_conn);

									$result = mysql_query('show tables', $mysql_conn);

									mysql_query("set names utf8");

									// 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['DB_NAME']}'";

									  $table_result = mysql_query($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['DB_NAME']}'";

									  $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

									//print_r($tables);

									foreach($tables as $k => $v)

									{

									  $html .= '<table border="1" cellspacing="0" cellpadding="0" align="center">';

									  $html .= '<caption>表名：' . $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>';

									}

									/* 生成word */

									//header ( "Content-type:application/vnd.ms-word" );

									//header ( "Content-Disposition:attachment;filename={$database['DB_NAME']}数据字典.doc" );

									/* 生成excel*/

									//header ( "Content-type:application/vnd.ms-excel" );

									//header ( "Content-Disposition:attachment;filename={$database['DB_NAME']}数据字典.xls" );

									// 输出

									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,h1,p{width:960px;margin:0px auto;}

									    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;padding-left:5px;}

									    table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;padding-left:5px;}

									    .c1{ width: 150px;}

									    .c2{ width: 150px;}

									    .c3{ width: 80px;}

									    .c4{ width: 100px;}

									    .c5{ width: 100px;}

									    .c6{ width: 300px;}

									  </style>

									  <body>';

									echo '<h1 style="text-align:center;">'.$database['DB_NAME'].'数据字典</h1>';

									echo '<p style="text-align:center;margin:20px auto;">生成时间：' . date('Y-m-d H:i:s') . '</p>';

									echo $html;

									echo '<p style="text-align:left;margin:20px auto;">总共：' . count($tables) . '个数据表</p>';

									echo '</body></html>';

									?>