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<?php /** * 生成mysql数据字典 */ header ( "Content-type: text/html; charset=utf-8" ); // 配置数据库 $dbserver = "localhost:3306"; $dbusername = "root"; $dbpassword = "root"; $database = isset($_GET['db'])?$_GET['db']:'mydb'; // 其他配置 $title = '数据字典'; $mysql_conn = mysqli_connect ( $dbserver, $dbusername, $dbpassword,$database ) or die ( "错误!MYSQL连接失败." ); mysqli_query ( $mysql_conn,'SET NAMES utf8' ); $table_result = mysqli_query ( $mysql_conn,'show tables' ); // 取得所有的表名 while ( $row = mysqli_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 = 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 .= '<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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2022-08-30
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