admin/diy_field_add.php

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<?php
/**
 * 增加自定义表单字段
 *
 * @version        $Id: diy_field_add.php 1 18:31 2010年7月12日Z tianya $
 * @package        DedeCMS.Administrator
 * @copyright      Copyright (c) 2007 - 2010, DesDev, Inc.
 * @license        http://help.dedecms.com/usersguide/license.html
 * @link           http://www.dedecms.com
 */
require_once(dirname(__FILE__)."/config.php");

//增加权限检查
require_once(DEDEADMIN.'/inc/inc_admin_channel.php');
if(empty($action)) $action = '';

$mysql_version = $dsql->GetVersion();
$mysql_versions = explode(".",trim($mysql_version));
$mysql_version = $mysql_versions[0].".".$mysql_versions[1];
/*----------------------
function Save()
---------------------*/
if($action=='save')
{
    //模型信息
    $fieldname = strtolower($fieldname);
    $row = $dsql->GetOne("SELECT `table`,`info` FROM #@__diyforms WHERE diyid='$diyid'");
    $fieldset = $row['info'];
    require_once(DEDEINC."/dedetag.class.php");
    $dtp = new DedeTagParse();
    $dtp->SetNameSpace("field","<",">");
    $dtp->LoadSource($fieldset);
    $trueTable = $row['table'];

    //修改字段配置信息
    $dfvalue = trim($vdefault);
    $isnull = ($isnull==1 ? "true" : "false");
    $mxlen = $maxlength;

    //检测被修改的字段类型
    $fieldinfos = GetFieldMake($dtype,$fieldname,$dfvalue,$mxlen);
    $ntabsql = $fieldinfos[0];
    $buideType = $fieldinfos[1];

    $rs = $dsql->ExecuteNoneQuery(" ALTER TABLE `$trueTable` ADD  $ntabsql ");

    if(!$rs)
    {
        $gerr = $dsql->GetError();
        ShowMsg("增加字段失败，错误提示为：".$gerr,"javascript:;");
        exit();
    }
    $ok = FALSE;

    //检测旧配置信息，并替换为新配置
    if(is_array($dtp->CTags))
    {
        //遍历旧配置
        foreach($dtp->CTags as $tagid=>$ctag)
        {