欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  php教程

php mysql query

程序员文章站 2022-04-29 19:30:05
...
php mysql query
<?php
/**
 * 生成mysql数据字典
 */
header("Content-type: text/html; charset=utf-8");
//配置数据库
$dbserver   = "localhost";
$dbusername = "root";
$dbpassword = "";
$database   = "fw";
 
//其他配置
$mysql_conn = @mysql_connect("$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);
 
$no_show_table = array();    //不需要显示的表
$no_show_field = array();   //不需要显示的字段
 
//取得所有的表名
while($row = mysql_fetch_array($table_result)){
    if(!in_array($row[0],$no_show_table)){
        $tables[]['TABLE_NAME'] = $row[0];
    }
}
//替换所以表的表前缀
if($_GET['prefix']){
    $prefix = 'ych';
    foreach($tables as $key => $val){
        $tableName = $val['TABLE_NAME'];
        $string = explode('_',$tableName);
        if($string[0] != $prefix){  
            $string[0] = $prefix;  
            $newTableName = implode('_', $string);  
            mysql_query('rename table '.$tableName.' TO '.$newTableName);  
        }
    }
    echo "替换成功!";exit();
}
 
//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) {
    $html .= '  <h3>' . ($k + 1) . '、' . $v['TABLE_COMMENT'] .'  ('. $v['TABLE_NAME']. ')</h3>'."\n";
    $html .= '  <table border="1" cellspacing="0" cellpadding="0" width="100%">'."\n";
    $html .= '      <tbody>'."\n";
    $html .= '          <tr>'."\n";
    $html .= '              <th>字段名</th>'."\n";
    $html .= '              <th>数据类型</th>'."\n";
    $html .= '              <th>默认值</th>'."\n";
    $html .= '              <th>允许非空</th>'."\n";
    $html .= '              <th>自动递增</th>'."\n";
    $html .= '              <th>备注</th>'."\n";
    $html .= '          </tr>'."\n";
 
    foreach ($v['COLUMN'] as $f) {
        if(!is_array($no_show_field[$v['TABLE_NAME']])){
            $no_show_field[$v['TABLE_NAME']] = array();
        }
        if(!in_array($f['COLUMN_NAME'],$no_show_field[$v['TABLE_NAME']])){
            $html .= '          <tr>'."\n";
            $html .= '              <td class="c1">' . $f['COLUMN_NAME'] . '</td>'."\n";
            $html .= '              <td class="c2">' . $f['COLUMN_TYPE'] . '</td>'."\n";
            $html .= '              <td class="c3">' . $f['COLUMN_DEFAULT'] . '</td>'."\n";
            $html .= '              <td class="c4">' . $f['IS_NULLABLE'] . '</td>'."\n";
            $html .= '        <td class="c5">' . ($f['EXTRA']=='auto_increment'?'是':'&nbsp;') . '</td>'."\n";
            $html .= '              <td class="c6">' . $f['COLUMN_COMMENT'] . '</td>'."\n";
            $html .= '          </tr>'."\n";
        }
    }
    $html .= '      </tbody>'."\n";
    $html .= '  </table>'."\n";
}
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>数据库数据字典</title>
<style>
body, td, th { font-family: "微软雅黑"; font-size: 14px; }
.warp{margin:auto; width:900px;}
.warp h3{margin:0px; padding:0px; line-height:30px; margin-top:10px;}
table { border-collapse: collapse; border: 1px solid #CCC; background: #efefef; }
table th { text-align: left; font-weight: bold; height: 26px; line-height: 26px; 
font-size: 14px; text-align:center; border: 1px solid #CCC; padding:5px;}
table td { height: 20px; font-size: 14px; border: 1px solid #CCC; background-color: #fff; padding:5px;}
.c1 { width: 120px; }
.c2 { width: 120px; }
.c3 { width: 150px; }
.c4 { width: 80px; text-align:center;}
.c5 { width: 80px; text-align:center;}
.c6 { width: 270px; }
</style>
</head>
<body>
<p class="warp">
<?php echo $html; ?>
</p>
</body>
</html>

以上就是php ,mysql _query的内容,更多相关内容请关注PHP中文网(www.php.cn)!