php生成数据库字典

原生php生成在线数据库字典,采用mysqli扩展链接,支持php7
在项目根目录新建show_table.php
修改几个define常量参数访问show_table.php即可

<?php


header('content-type:text/html;charset=utf-8');
define('DB_HOST','地址');
define('DB_USER','账号');
define('DB_PASS','密码');
define('DB_NAME','数据库');
define('DB_PORT','端口号');
define('DB_CHAR','utf8');
define('APPNAME','XX项目');
@$conn=mysqli_connect(DB_HOST.':'.DB_PORT,DB_USER,DB_PASS);
mysqli_select_db($conn,DB_NAME);
mysqli_query($conn,'set names ' . DB_CHAR);
//$sql="SHOW TABLE STATUS FROM " . DB_NAME . ' where Name like "jm_crm_%"';
$sql="SHOW TABLE STATUS FROM " . DB_NAME;
$result=mysqli_query($conn,$sql);
$array=array();
while($rows=mysqli_fetch_assoc($result)){
    $array[]=$rows;
}
// table count
$tab_count = count($array);
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"  
   "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  
<html xmlns="https://www.w3.org/1999/xhtml" lang="en" xml:lang="zh">  
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
<title>'.APPNAME.'--数据字典</title>  
<style type="text/css">  
    table caption, table th, table td {  
        padding: 0.1em 0.5em 0.1em 0.5em;  
        margin: 0.1em;  
        vertical-align: top;  
    }  
    th {  
        font-weight: bold;  
        color: black;  
        background: #D3DCE3;  
    }  
    table tr.odd th, .odd {  
        background: #E5E5E5;  
    }  
    table tr.even th, .even {  
        background: #f3f3f3;  
    }  
    .db_table{  
        border-top:1px solid #333;  
    }  
    .title{font-weight:bold;}  
</style>  
</head>  
<body>  
<p style="text-align:center;background:#D3DCE3;font-size:19px;">  
    <b>'.APPNAME.'--数据字典</b>  
</p>  
<p style="background:#f3f3f3;text-align:center;">(注:共'.$tab_count.'张表,按ctrl+F查找关键字)</p>'."\n";
for($i=0;$i<$tab_count;$i++){
    echo '<ul type="square">'."\n";
    echo '  <li class="title">';
    echo ($i+1).'、表名:[' . $array[$i]['Name'] . ']      注释:' . $array[$i]['Comment'];
    echo '</li>'."\n";
//查询数据库字段信息
    $tab_name = $array[$i]['Name'];
    $sql_tab='show full fields from `' . $array[$i]['Name'].'`';
    $tab_result=mysqli_query($conn,$sql_tab);
    $tab_array=array();

    while($r=mysqli_fetch_assoc($tab_result)){
        $tab_array[]=$r;
    }
//show keys
    $keys_result=mysqli_query($conn,"show keys from `".$array[$i]['Name'].'`');
    $arr_keys=mysqli_fetch_array($keys_result);
    echo '<li style="list-style: none outside none;"><table border="0" class="db_table" >';
    echo '<tr class="head">  
        <th style="width:110px">字段</th>  
        <th>类型</th>  
        <th>为空</th>  
        <th>额外</th>  
        <th>默认</th>  
        <th style="width:95px">整理</th>  
        <th>备注</th></tr>';
    for($j=0;$j<count($tab_array);$j++){
        $key_name=$arr_keys['Key_name'];
        if($key_name="PRIMARY"){
            $key_name='主键('.$key_name.')';
        }
        $key_field=$arr_keys['Column_name'];
        if ( $tab_array[$j]['Field']==$key_field){
            $key_value="PK";
        }else{
            $key_value="";
        }
        echo '        <tr class="'.($j%2==0?"odd":"even").'">'."\n";
        echo '          <td>' . $tab_array[$j]['Field'] . '</td>'."\n";
        echo '          <td>' . $tab_array[$j]['Type'] . '</td>'."\n";
        echo '          <td>' . ($key_value!=''?$key_value:$tab_array[$j]['Null']) . '</td>'."\n";
        echo '          <td>' . $tab_array[$j]['Extra'] . '</td>'."\n";
        echo '          <td>' . $tab_array[$j]['Default'] . '</td>'."\n";
        echo '          <td>' . $tab_array[$j]['Collation'] . '</td>'."\n";
        echo '          <td>' . ($key_value!=''?$key_name:$tab_array[$j]['Comment']) . '</td>'."\n";
        echo '        </tr>'."\n";
    }
    echo '  </table></li>'."\n";
    echo '</ul>'."\n";

}
echo '</body>'."\n";
echo '</html>'."\n";

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