php mysql query

php mysql  query

 $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) {
    $html .= '  
' . ($k + 1) . '、' . $v['TABLE_COMMENT'] .'  （'. $v['TABLE_NAME']. '）
'."\n";
    $html .= '  '."\n";
    $html .= '      '."\n";
    $html .= '          '."\n";
    $html .= '              '."\n";
    $html .= '              '."\n";
    $html .= '              '."\n";
    $html .= '              '."\n";
    $html .= '              '."\n";
    $html .= '              '."\n";
    $html .= '          '."\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 .= '          '."\n";
            $html .= '              '."\n";
            $html .= '              '."\n";
            $html .= '              '."\n";
            $html .= '              '."\n";
            $html .= '        '."\n";
            $html .= '              '."\n";
            $html .= '          '."\n";
        }
    }
    $html .= '      '."\n";
    $html .= '  
字段名
数据类型
默认值
允许非空
自动递增
备注
' . $f['COLUMN_NAME'] . '
' . $f['COLUMN_TYPE'] . '
' . $f['COLUMN_DEFAULT'] . '
' . $f['IS_NULLABLE'] . '
' . ($f['EXTRA']=='auto_increment'?'是':' ') . '
' . $f['COLUMN_COMMENT'] . '
'."\n";
}
?>

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