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打印数据库字典

2015-07-02 10:36 501 查看
<?php

 //配置数据库

$dbserver   = "localhost";

$dbusername = "root";             //数据库用户名

$dbpassword = "";             //密码

$database   = 'db_name';     //数据库名

$title = '系统数据字典';

 //下面是连接数据库

$mysql_conn = @mysql_connect("$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

 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 = '';

 //循环所有表拼接字符串

 foreach ($tables AS $k=>$v) {

     $html .= '<p><h2 style="text-align:center;">'. $v['TABLE_COMMENT'] . ' </h2>';

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

     $html .= '<caption>' . $v['TABLE_NAME'] . '</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>';

 }

 

 

 //打印在页面中

 echo '<html>

 <head>

 <title>' . $title . '</title>

 <style>

 body,td,th {font-family:"宋体"; font-size:12px;}

 table{border-collapse:collapse;mso-table-layout-alt:fixed;border:1px solid #CCC;background:#efefef;margin-bottom:30px;}

 table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }

 table td{height:20px; font-size:12px; border:1px solid #4f81bd;background-color:#fff;border-top:none;}

 .c1{ width: 120px;}

 .c2{ width: 120px;}

 .c3{ width: 70px;}

 .c4{ width: 80px;}

 .c5{ width: 80px;}

 .c6{ width: 270px;}

 table th {

  text-align: left;

  font-weight: bold;

  height: 26px;

  line-height: 26px;

  font-size: 12px;

  border: 1px solid #CCC;

  background: #4f81bd;

  border-right: 1pt solid #4f81bd;

  border-top: 1pt solid #4f81bd;

  border-bottom: 1pt solid #4f81bd;

  border-left: 1pt solid #4f81bd;

}

.table-striped tbody tr:nth-child(even) td {

  background-color: #B8CCE4;

}

 </style>

 </head>

 <body>';

 echo '<h1 style="text-align:center;">' . $title . '</h1>';

 echo $html;

 echo '</body></html>';

 ?>
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