singleManage=TRUE,增加单条记录的管理页面;
* 2.修改LURD默认管理页面的体验;
* 3.模板页面支持~self~指向当前页地址;
* 4.lurd支持get模式,便于单条记录的管理;
* 2010-11-17 [修复]启用request类默认数据处理问题
* 2010-11-17 [修复]如果存在UNIQUE表字段分析错误的问题
* 2010-11-17 [增加]增加检索条件匹配方法
* 2010-11-16 [增加]如果表字段存在注释,则列表项的title中则直接显示注释信息
* 2010-11-14 [修复]数据表存在前缀,模板名称解析问题,同时可以对Lurd单独设定模板
*
*
* @version $Id: lurd.class.php 7 14:07 2011/11/8 IT柏拉图,tianya $
* @package DedeCMS.Libraries
* @copyright Copyright (c) 2020, DedeBIZ.COM
* @license https://www.dedebiz.com/license
* @link https://www.dedebiz.com
*/
require_once(DEDEINC.'/datalistcp.class.php');
/***********************************
@ class lurd
***********************************/
class Lurd extends DataListCP
{
// 固定属性
var $dateTypes = array('DATE', 'DATETIME', 'TIMESTAMP', 'TIME', 'YEAR');
var $floatTypes = array('FLOAT', 'DOUBLE', 'DECIMAL');
var $intTypes = array('TINYINT', 'SMALLINT', 'MEDIUMINT', 'INT', 'BIGINT');
var $charTypes = array('VARCHAR', 'CHAR', 'TINYTEXT');
var $textTypes = array('TEXT', 'MEDIUMTEXT', 'LONGTEXT');
var $binTypes = array('TINYBLOB', 'BLOB', 'MEDIUMBLOB', 'LONGBLOB', 'BINARY', 'VARBINARY');
var $emTypes = array('ENUM', 'SET');
// 普通属性
var $tableName = '';
var $templateDir = '';
var $lurdTempdir = '';
var $tplName = '';
var $appName = '';
var $primaryKey = '';
var $autoField = '';
var $orderQuery = '';
// 所的字段及属性数组
var $fields = array();
// 当这个值为TRUE，每次都会生成新模板，用于调试模式
var $isDebug = FALSE;
// 文本内容安全级别
// 0 为不处理， 1 为禁止不安全HTML内容(javascript等)，2完全禁止HTML内容，并替换部份不安全字符串（如：eval(、union、CONCAT(、--、等）
var $stringSafe = 1;
// 这个变量用于存放连结表的参数
// 可以通过 $lurd->AddLinkTable($tablelurd, linkfields, mylinkid, linkid); 联结一个表
var $linkTables = array();
// 联结表的指定字段(如果后一个表的字段和前一个重名, 前者会被替换)
var $addFields = array();
// 查询条件
var $searchParameters = array();
// 单条记录管理,修改/删除
var $singleManage = TRUE;
//构造函数，指定要操作的表名
function __construct($tablename, $templatedir='', $lurdtempdir='')
{
global $dsql;
$prefix = "#@__";
$this->tplName = str_replace($prefix, '', $tablename);
$this->tableName = str_replace($prefix, $GLOBALS['cfg_dbprefix'], $tablename);
$this->templateDir = $templatedir;
$this->lurdTempdir = empty($lurdtempdir) ? $this->templateDir.'/lurd' : $lurdtempdir;
parent::__construct();
$this->AnalyseTable();
$ct = isset($GLOBALS['ct'])? $GLOBALS['ct'] : request('ct', '');
if(!empty($ct))
{
$this->SetParameter('ct', $ct);
}
$this->SetParameter('ac', 'list');
}
//监听器，根据指定的ac(ac)调用相应处理方法
function ListenAll($listfield = '', $wherequery = '', $orderquery ='')
{
global $action;
$action = !empty($action)? $action : request('action');
switch($action)
{
case 'add' :
$this->AddData();
break;
case 'edit':
$this->EditData();
break;
case 'del':
$this->DelData();
break;
case 'saveadd':
$this->SaveAddData();
break;
case 'saveedit':
$this->SaveEditData();
break;
default:
$this->ListData($listfield, $wherequery, $orderquery);
break;
}
}
// 指定主键
// 在数据表没有主键的情况下，必须指定一个字段为主键字段，否则系统用所有数据的md5值作为主键
function AddPriKey($fieldname)
{
$this->primaryKey = $fieldname;
}
// 指定应用的名称
function AddAppName($appname)
{
$this->appName = $appname;
}
//设置用于排序的SQL，如 order by id desc
function SetOrderQuery($query)
{
$this->orderQuery = $query;
}
//强制指定字段为其它类型
function BindType($fieldname, $ftype, $format='')
{
//'type' =>'','length' =>'0','unsigned'=>FALSE,'autokey'=>FALSE,
//'null'=>FALSE,default'=>'','em'=>'','format'=>'','listtemplate'=>'','edittemplate'=>''
$typesArr = array_merge($this->dateTypes, $this->floatTypes, $this->intTypes, $this->charTypes, $this->textTypes, $this->binTypes, $this->emTypes);
if( isset($this->fields[$fieldname]) && in_array(strtoupper($ftype), $typesArr) )
{
$this->fields[$fieldname]['type'] = $ftype;
$this->fields[$fieldname]['format'] = $format;
}
}
//强制指定字模板（列表list和编辑edit、增加add模板里用）
function BindTemplate($fieldname, $tmptype='list', $temp='')
{
if( isset($this->fields[$fieldname]) )
{
$this->fields[$fieldname][$tmptype.'template'] = $temp;
}
}
// 列出数据
/*********************************
* $listfield = '' 指定要列出的字段(默认为'*') ，只需填写当前表
联结表出的字段在 AddLinkTable 指定， 因此不需要 表名.字段名 方式识别
* $wherequery = '' 查询query，如果联结了其它表，需用 表名.字段名 识别字段
* $orderquery = '' 排序query，如果联结了其它表，需用 表名.字段名 识别字段
**********************************/
function ListData($listfield = '*', $wherequery = '', $orderquery ='', $Suff = '_list.htm')
{
$listdd = '';
if(trim($listfield)=='') $listfield = '*';
$template = $this->templateDir.'/'.$this->tplName.$Suff;
//生成列表模板
if( !file_exists($template) || $this->isDebug )
{
$this->MakeListTemplate($listfield);
}
// 获取检索条件
if( $wherequery == '' )
{
$wherequery = $this->GetSearchQuery();
}
//是否有联结其它的表
$islink = count($this->linkTables) > 0 ? TRUE : FALSE;
//主表索引字段(Select * From 部份)
$listfields = explode(',', $listfield);
foreach($listfields as $v)
{
$v = trim($v);
if( !isset($this->fields[$v]) && $v != '*' ) continue;
if($islink) {
$listdd .= ($listdd=='' ? "{$this->tableName}.{$v}" : ", {$this->tableName}.{$v} ");
}
else {
if($v=='*') $listdd .= ' * ';
else $listdd .= ($listdd=='' ? "`$v`" : ",`$v`");
}
}
if($listdd=='') $listdd = " * ";
//联结表索引字段
if($islink)
{
$joinQuery = '';
foreach($this->linkTables as $k=>$linkTable)
{
$k++;
$linkTableName = $linkTable[0]->tableName;
$joinQuery .= " LEFT JOIN `{$linkTableName}` ON {$linkTableName}.{$linkTable[2]} = {$this->tableName}.{$linkTable[1]} ";
foreach($this->addFields as $f=>$v)
{
if($v['table'] != $linkTableName) continue;
$listdd .= ", {$linkTableName}.{$f} ";
}
}
$query = "SELECT $listdd FROM `{$this->tableName}` $joinQuery $wherequery $orderquery ";
}
else
{
$query = "SELECT $listdd FROM `{$this->tableName}` $wherequery $orderquery ";
}
$this->SaveCurUrl();
$this->SetTemplate($template);
$this->SetSource($query);
$this->Display();
}
//记录列表网址到cookie，方便返回时调用
function SaveCurUrl()
{
setcookie('LURD_GOBACK_URL', $this->GetCurFullUrl(), time()+3600, '/');
}
function GetCurFullUrl()
{
if(!empty($_SERVER["REQUEST_URI"]))
{
$scriptName = $_SERVER["REQUEST_URI"];
$nowurl = $scriptName;
}
else
{
$scriptName = $_SERVER["PHP_SELF"];
$nowurl = empty($_SERVER["QUERY_STRING"]) ? $scriptName : $scriptName."?".$_SERVER["QUERY_STRING"];
}
return $nowurl;
}
//生成全部模板
function MakeAllTemplate($listfield = '')
{
$this->MakeListTemplate($listfield);
$this->MakeAddEditTemplate('add');
$this->MakeAddEditTemplate('edit');
}
//生成列表模板
function MakeListTemplate($listfield = '')
{
$templateTemplate = $this->lurdTempdir.'/lurd-list.htm';
$template = $this->templateDir.'/'.$this->tplName.'_list.htm';
$tempstr = '';
$fp = fopen($templateTemplate, 'r');
while( !feof($fp) ) $tempstr .= fread($fp, 1024);
fclose($fp);
$tempItems = array('appname'=>'', 'totalitem'=>'', 'titleitem'=>'', 'fielditem'=>'');
$tempItems['appname'] = empty($this->appName) ? "管理数据表： ".$this->tableName : $this->appName;
//设置选择项
$tempItems['totalitem'] = 1;
$tempItems['self'] = $_SERVER["PHP_SELF"];
$titleitem = " | 选择 | \r\n";
if( !preg_match("/,/", $this->primaryKey) )
{
$fielditem = " primaryKey}[]\" value=\"{dede:field name='{$this->primaryKey}' /}\" /> | \r\n";
}
else
{
$prikeys = explode(',', $this->primaryKey);
$prikeyValue = '<'.'?php echo md5("key"';
foreach($prikeys as $v)
{
$prikeyValue .= '.$fields["'.$v.'"]';
}
$prikeyValue .= '); ?'.'>';
$fielditem = " | \r\n";
}
//使用手工指定列出字段
if(!empty($listfield) && $listfield != '*' )
{
$listfields = explode(',', $listfield);
$tempItems['totalitem'] = count($listfields) + 1;
foreach($listfields as $k)
{
$k = trim($k);
if( !isset($this->fields[$k]) ) continue;
$v = $this->fields[$k];
$title = !empty($v['comment'])? $v['comment'] : $k;
$titleitem .= " $title | \r\n";
if( !empty($v['listtemplate']) )
{
$fielditem .= " {$v['listtemplate']} | \r\n";
}
else
{
$dofunc = $dtype = $fformat = '';
$dtype = !empty($v['type']) ? $v['type'] : 'check';
if(isset($v['format']))
{
$fformat = $v['format'];
}
if(isset($v['dofunc']))
{
$dofunc = $v['dofunc'];
}
if(isset($v['type']))
{
$this->fields[$k]['type'] = $v['type'];
}
if( in_array($v['type'], $this->floatTypes) )
{
$dtype = 'float';
$dofunc = ($dofunc=='' ? "function=\"Lurd::FormatFloat(@me, '$fformat')\"" : '');
}
if( in_array($v['type'], $this->dateTypes) )
{
$dtype = 'date';
$dofunc = ($dofunc=='' ? "function=\"Lurd::FormatDate(@me, '{$this->fields[$k]['type']}', '$fformat')\"" : '');
}
$fielditem .= " {dede:field name='{$k}' $dofunc /} | \r\n";
}
}//End foreach
}
//自动处理
else
{
foreach($this->fields as $k=>$v)
{
if(in_array($v['type'], $this->binTypes) )
{
continue;
}
$tempItems['totalitem']++;
$title = !empty($v['comment'])? $v['comment'] : $k;
$titleitem .= " $title | \r\n";
$dofunc = $dtype = $fformat = '';
if(isset($v['format']))
{
$fformat = $v['format'];
}
if( in_array($v['type'], $this->floatTypes) )
{
$dtype = 'float';
$dofunc = ($dofunc=='' ? "function=\"Lurd::FormatFloat(@me, '$fformat')\"" : '');
}
if( in_array($v['type'], $this->dateTypes) )
{
$dtype = 'date';
$dofunc = ($dofunc=='' ? "function=\"Lurd::FormatDate(@me, '{$this->fields[$k]['type']}', '$fformat')\"" : '');
}
$fielditem .= " {dede:field name='{$k}' $dofunc /} | \r\n";
}
}
//是否有联结其它的表
$islink = count($this->linkTables) > 0 ? TRUE : FALSE;
//附加表的字段
if($islink)
{
foreach($this->addFields as $k=>$v)
{
if(in_array($v['type'], $this->binTypes) )
{
continue;
}
$tempItems['totalitem']++;
$titleitem .= " $k | \r\n";
$dofunc = $dtype = $fformat = '';
if( in_array($v['type'], $this->floatTypes) )
{
$dtype = 'float';
$dofunc = ($dofunc=='' ? "function=\"Lurd::FormatFloat(@me, '$fformat')\"" : '');
}
if( in_array($v['type'], $this->dateTypes) )
{
$dtype = 'date';
$dofunc = ($dofunc=='' ? "function=\"Lurd::FormatDate(@me, '{$this->fields[$k]['type']}', '$fformat')\"" : '');
}
$fielditem .= " {dede:field name='{$k}' $dofunc /} | \r\n";
}
}
if($this->singleManage)
{
$tempItems['totalitem']++;
$titleitem .= " 管理 | \r\n";
$currentUrl = $this->GetCurUrl();
$fielditem .= "
primaryKey}={dede:field name='{$this->primaryKey}' /}&ac=edit&get=yes\">修改
| primaryKey}={dede:field name='{$this->primaryKey}' /}&ac=del&get=yes\">删除 | \r\n";
}
$tempItems['titleitem'] = $titleitem;
$tempItems['fielditem'] = $fielditem;
foreach($tempItems as $k => $v)
{
$tempstr = str_replace("~$k~", $v, $tempstr);
}
$fp = fopen($template, 'w');
fwrite($fp, $tempstr);
fclose($fp);
}
//生成发布或编辑模板
function MakeAddEditTemplate($getTemplets='add')
{
$templateTemplate = $this->lurdTempdir."/lurd-{$getTemplets}.htm";
$template = $this->templateDir.'/'.$this->tplName."_{$getTemplets}.htm";
$tempstr = '';
$fp = fopen($templateTemplate, 'r');
while( !feof($fp) ) $tempstr .= fread($fp, 1024);
fclose($fp);
$tempItems = array('appname'=>'', 'fields'=>'', 'primarykey'=>'');
$tempItems['appname'] = empty($this->appName) ? "在 {$this->tableName} ".($getTemplets=='add' ? '添加数据' : '编辑数据' ) : $this->appName;
$tempItems['fields'] = '';
$tempItems['self'] = $_SERVER["PHP_SELF"];
if( !preg_match("/,/", $this->primaryKey) )
{
$tempItems['primarykey'] = " primaryKey}\" value=\"{dede:field name='{$this->primaryKey}' /}\" />\r\n";
}
else
{
$prikeys = explode(',', $this->primaryKey);
$prikeyValue = '<'.'?php echo md5("key"';
foreach($prikeys as $v)
{
$prikeyValue .= '.$fields["'.$v.'"]';
}
$prikeyValue .= '); ?'.'>';
$tempItems['primarykey'] = " \r\n";
}
$fielditem = '';
foreach($this->fields as $k=>$v)
{
$aeform = $dtype = $defaultvalue = $fformat = '';
$title = !empty($v['comment'])? $v['comment'] : $k;
//在指定了字段模板情况下不使用自动生成
if(isset($this->fields[$k][$getTemplets.'template']))
{
$fielditem .= $this->fields[$k][$getTemplets.'template'];
continue;
}
//排除自动递增键
if($k==$this->autoField)
{
continue;
}
//编辑时，排除主键
if($k==$this->primaryKey && $getTemplets=='edit')
{
continue;
}
//格式化选项(编辑时用)
if(isset($this->fields[$k]['format']))
{
$fformat = $this->fields[$k]['format'];
}
//获得字段默认值（编辑时从数据库获取）
if($getTemplets=='edit')
{
if( in_array($this->fields[$k]['type'], $this->binTypes) ) $dfvalue = '';
else $dfvalue = "{dede:field name='$k' /}";
}
else
{
$dfvalue = $this->fields[$k]['default'];
}
//小数类型
if( in_array($this->fields[$k]['type'], $this->floatTypes) )
{
if($getTemplets=='edit')
{
$dfvalue = "{dede:field name='$k' function=\"Lurd::FormatFloat(@me, '$fformat')\" /}";
}
else if($this->fields[$k]['default']=='')
{
$dfvalue = 0;
}
$aeform = "";
}
//整数类型
if( in_array($this->fields[$k]['type'], $this->intTypes) )
{
$aeform = "";
}
//时间类型
else if( in_array($this->fields[$k]['type'], $this->dateTypes))
{
if(empty($fformat)) $fformat = 'Y-m-d H:i:s';
if($getTemplets=='edit')
{
$dfvalue = "{dede:field name='$k' function=\"MyDate(@me, '$fformat')\" /}";
}
else if(empty($this->fields[$k]['default']))
{
$dfvalue = "{dede:var.a function=\"MyDate(time(), '$fformat')\" /}";
}
$aeform = "";
}
//长文本类型
else if( in_array($this->fields[$k]['type'], $this->textTypes))
{
$aeform = "";
}
//二进制类型
else if( in_array($this->fields[$k]['type'], $this->textTypes))
{
$aeform = "";
}
//SET类型
else if( $this->fields[$k]['type']=='SET' )
{
$ems = explode(',', $this->fields[$k]['em']);
if($getTemplets=='edit')
{
$aeform .= '<'.'?php $enumItems = explode(\',\', $fields[\''.$k.'\']); ?'.'>';
}
foreach($ems as $em)
{
if($getTemplets=='add')
{
$aeform .= "$em \r\n";
}
else
{
$aeform .= "$em \r\n";
}
}
}
//ENUM类型
else if( $this->fields[$k]['type']=='ENUM' )
{
$ems = explode(',', $this->fields[$k]['em']);
foreach($ems as $em)
{
if($getTemplets=='edit') {
$aeform .= "$em \r\n";
}
else {
$aeform .= "$em \r\n";
}
}
}
else
{
$aeform = "";
}
$fielditem .= " \r\n| {$title} | \r\n{$aeform} | \r\n
\r\n";
}
$tempItems['fields'] = $fielditem;
foreach($tempItems as $k=>$v)
{
$tempstr = str_replace("~$k~", $v, $tempstr);
}
$fp = fopen($template, 'w');
fwrite($fp, $tempstr);
fclose($fp);
}
// 读取数据
function EditData()
{
$template = $this->templateDir.'/'.$this->tplName.'_edit.htm';
//生成列表模板
if( !file_exists($template) || $this->isDebug )
{
$this->MakeAddEditTemplate('edit');
}
$whereQuery = '';
$GLOBALS[$this->primaryKey] = isset($GLOBALS[$this->primaryKey])? $GLOBALS[$this->primaryKey] : request($this->primaryKey);
if(empty($GLOBALS['primarykey'][0]) && empty($GLOBALS[$this->primaryKey][0]))
{
ShowMsg('请选择要修改的记录！', '-1');
exit();
}
if(preg_match("/,/", $this->primaryKey))
{
$whereQuery = "WHERE md5(CONCAT('key', `".str_replace(',', '`,`', $this->primaryKey)."`) = '{$GLOBALS['primarykey'][0]}' ";
}
else
{
$pkey = (request('get') == 'yes')? request($this->primaryKey) : $GLOBALS[$this->primaryKey][0];
$whereQuery = "WHERE `{$this->primaryKey}` = '".$GLOBALS[$this->primaryKey][0]."' ";
}
//列出数据
$query = "SELECT * FROM `{$this->tableName}` $whereQuery ";
$this->SetTemplate($template);
$this->SetSource($query);
$this->Display();
}
// 新增数据
function AddData()
{
$template = $this->templateDir.'/'.$this->tplName.'_add.htm';
//生成列表模板
if( !file_exists($template) || $this->isDebug )
{
$this->MakeAddEditTemplate('add');
}
//生成发布表单数据
$this->SetTemplate($template);
$this->Display();
exit();
}
// 保存新增数据
function SaveAddData($isturn=TRUE)
{
$allfield = $allvalue = '';
foreach($this->fields as $k=>$v)
{
//自动递增键不处理
if($k==$this->autoField)
{
continue;
}
$allfield .= ($allfield=='' ? "`$k`" : ' , '."`$k`");
$v = $this->GetData($k);
$allvalue .= ($allvalue=='' ? "'$v'" : ' , '."'$v'");
}
$inQuery = "INSERT INTO `$this->tableName`($allfield) VALUES($allvalue); ";
$rs = $this->dsql->ExecuteNoneQuery($inQuery);
//只返回结果
if(!$isturn)
{
return $rs;
}
//完全处理模式
$gourl = !empty($_COOKIE['LURD_GOBACK_URL']) ? $_COOKIE['LURD_GOBACK_URL'] : '-1';
if(!$rs)
{
$this->dsql->SaveErrorLog($inQuery);
ShowMsg('保存数据失败，请检查数据库错误日志！', $gourl);
exit();
}
else
{
ShowMsg('成功保存一组数据！', $gourl);
exit();
}
}
// 保存编辑数据
function SaveEditData($isturn=TRUE)
{
$editfield = '';
foreach($this->fields as $k=>$v)
{
//自动递增键不处理
$GLOBALS[$k] = isset($GLOBALS[$k])? $GLOBALS[$k] : $GLOBALS['request']->forms[$k];
if($k==$this->autoField || !isset($GLOBALS[$k]))
{
continue;
}
$v = $this->GetData($k);
$editfield .= ($editfield=='' ? " `$k`='$v' " : ",\n `$k`='$v' ");
}
//获得主键值
if(preg_match("#,#", $this->primaryKey))
{
$keyvalue = (isset($GLOBALS['primarykey']) ? $GLOBALS['primarykey'] : '');
}
else
{
$keyvalue = $this->GetData($this->primaryKey);
}
$keyvalue = preg_replace("#[^0-9a-z]#i", "", $keyvalue);
if( !preg_match("#,#", $this->primaryKey) )
{
$inQuery = " UPDATE `$this->tableName` SET $editfield WHERE `{$this->primaryKey}`='{$keyvalue}' ";
}
else
{
$inQuery = " UPDATE `$this->tableName` SET $editfield WHERE md5('key', `".str_replace(',','`,`',$this->primaryKey)."`='{$keyvalue}' ";
}
$rs = $this->dsql->ExecuteNoneQuery($inQuery);
//只返回结果
if(!$isturn)
{
return $rs;
}
//完全处理模式
$gourl = !empty($_COOKIE['LURD_GOBACK_URL']) ? $_COOKIE['LURD_GOBACK_URL'] : '-1';
if(!$rs)
{
$this->dsql->SaveErrorLog($inQuery);
ShowMsg('保存数据失败，请检查数据库错误日志！', $gourl);
exit();
}
else
{
ShowMsg('成功保存一组数据！', $gourl);
exit();
}
}
//获得当前网址
function GetCurUrl()
{
if(!empty($_SERVER["REQUEST_URI"]))
{
$nowurl = $_SERVER["REQUEST_URI"];
$nowurls = explode("?",$nowurl);
$nowurl = $nowurls[0];
}
else
{
$nowurl = $_SERVER["PHP_SELF"];
}
return $nowurl;
}
// 删除数据
function DelData($isturn=TRUE)
{
$GLOBALS[$this->primaryKey] = isset($GLOBALS[$this->primaryKey])? $GLOBALS[$this->primaryKey] : request($this->primaryKey);
if(preg_match("#,#", $this->primaryKey))
{
$keyArr = (isset($GLOBALS['primarykey']) ? $GLOBALS['primarykey'] : '');
}
else
{
$keyArr = isset($GLOBALS[$this->primaryKey]) ? $GLOBALS[$this->primaryKey] : '';
}
if(!is_array($keyArr))
{
ShowMsg('没指定要删除的记录！', '-1');
exit();
}
else
{
$isid = !preg_match("#,#", $this->primaryKey) ? TRUE : FALSE;
$i = 0;
foreach($keyArr as $v)
{
$v = preg_replace("#[^0-9a-z]#i", '', $v);
if(empty($v)) continue;
$i++;
if($isid)
{
$this->dsql->ExecuteNoneQuery("DELETE FROM `{$this->tableName}` WHERE `$this->primaryKey`='$v' ");
}
else
{
$this->dsql->ExecuteNoneQuery("DELETE FROM `{$this->tableName}` WHERE md5('key', `".str_replace(',','`,`',$this->primaryKey)."`='$v' ");
}
}
if($isturn)
{
$gourl = !empty($_COOKIE['LURD_GOBACK_URL']) ? $_COOKIE['LURD_GOBACK_URL'] : '-1';
ShowMsg('成功删除指定的记录！', $gourl);
exit();
}
else
{
return $i;
}
}
}
//联结其它表(用于数据查询的情况)
//$tablelurd 目标表lurd对象, $linkfields select的字段
//$mylinkid 当前表用于联结的字段
//$linkid 目标表用于联结的字段
function AddLinkTable(&$tablelurd, $mylinkid, $linkid, $linkfields='*')
{
if(trim($linkfields)=='') $linkfields = '*';
$this->linkTables[] = array($tablelurd, $mylinkid, $linkid, $linkfields);
//记录附加表的字段信息
if($linkfields != '*')
{
$fs = explode(',', $linkfields);
foreach($fs as $f)
{
$f = trim($f);
if(isset($tablelurd->fields[$f]))
{
$this->addFields[$f] = $tablelurd->fields[$f];
$this->addFields[$f]['table'] = $tablelurd->tableName;
}
}
}
else
{
foreach($tablelurd->fields as $k=>$v)
{
$this->addFields[$k] = $v;
$this->addFields[$k]['table'] = $tablelurd->tableName;
}
}
}
//分析表结构
function AnalyseTable()
{
if($this->tableName == '')
{
exit(" No Input Table! ");
}
$this->dsql->Execute('ana', " SHOW CREATE TABLE `{$this->tableName}`; ");
$row = $this->dsql->GetArray('ana', MYSQL_NUM);
if(!is_array($row))
{
exit(" Analyse Table `$tablename` Error! ");
}
// 先去掉内容中的注释
// $row[1] = preg_replace('#COMMENT \'(.*?)\'#i', '', $row[1]);
// echo $row[1];exit;
$flines = explode("\n", $row[1]);
$parArray = array('date', 'float', 'int', 'char', 'text', 'bin', 'em');
$prikeyTmp = '';
for($i=1; $i < count($flines)-1; $i++ )
{
$line = trim($flines[$i]);
$lines = explode(' ', str_replace('`', '', $line));
if( $lines[0] == 'KEY' ) continue;
if( $lines[0] == 'UNIQUE' ) continue;
if( $lines[0] == 'PRIMARY' )
{
$this->primaryKey = preg_replace("/[\(\)]|,$/", '', $lines[count($lines)-1]);
continue;
}
//字段名称、类型
$this->fields[$lines[0]] = array('type' => '', 'length' => '', 'unsigned' => FALSE, 'autokey' => FALSE, 'null' => TRUE, 'default' => '', 'em' => '', 'comment' => '');
$this->fields[$lines[0]]['type'] = strtoupper(preg_replace("/\(.*$|,/", '', $lines[1]));
$this->fields[$lines[0]]['length'] = preg_replace("/^.*\(|\)/", '', $lines[1]);
if(preg_match("#[^0-9]#", $this->fields[$lines[0]]['length']))
{
if($this->fields[$lines[0]]['type'] == 'SET'
|| $this->fields[$lines[0]]['type'] == 'ENUM')
{
$this->fields[$lines[0]]['em'] = preg_replace("/'/", '', $this->fields[$lines[0]]['length']);
}
$this->fields[$lines[0]]['length'] = 0;
}
//把特定类型的数据加入数组中
foreach($parArray as $v)
{
$tmpstr = "if(in_array(\$this->fields[\$lines[0]]['type'], \$this->{$v}Types))
{
\$this->{$v}Fields[] = \$lines[0];
}";
eval($tmpstr);
}
if( !in_array($this->fields[$lines[0]]['type'], $this->textTypes)
&& !in_array($this->fields[$lines[0]]['type'], $this->binTypes) )
{
$prikeyTmp .= ($prikeyTmp=='' ? $lines[0] : ','.$lines[0]);
}
//分析其它属性
// echo $line;exit;
if(preg_match("#unsigned#i", $line))
{
$this->fields[$lines[0]]['unsigned'] = TRUE;
}
if(preg_match("#auto_increment#i", $line))
{
$this->fields[$lines[0]]['autokey'] = TRUE;
$this->autoField = $lines[0];
}
if(preg_match("#NOT NULL#i", $line))
{
$this->fields[$lines[0]]['null'] = FALSE;
}
if(preg_match("#default#i", $line))
{
preg_match("#default '(.*?)'#i", $line, $dfmatchs);
$this->fields[$lines[0]]['default'] = isset($dfmatchs[1])? $dfmatchs[1] : NULL;
}
if(preg_match("#comment#i", $line))
{
preg_match("#comment '(.*?)'#i", $line, $cmmatchs);
$this->fields[$lines[0]]['comment'] = isset($cmmatchs[1])? $cmmatchs[1] : NULL;
}
}//end for
if( $this->primaryKey=='' )
{
$this->primaryKey = $prikeyTmp;
}
}
/**
* 增加搜索条件
* @parem $fieldname 字段名称
* @parem $fieldvalue 传入的 value 值必须先经过转义
* @parem $condition 条件 >、<、=、<> 、like、%like%、%like、like%
* @parem $linkmode AND 或 OR
*/
function AddSearchParameter($fieldname, $fieldvalue, $condition, $linkmode='AND')
{
$c = count($this->searchParameters);
//对于指定了多个字段，使用 CONCAT 进行联结（通常是like操作）
if( preg_match('/,/', $fieldname) )
{
$fs = explode(',', $fieldname);
$fieldname = "CONCAT(";
$ft = '';
foreach($fs as $f)
{
$f = trim($f);
$ft .= ($ft=='' ? "`{$f}`" : ",`{$f}`");
}
$fieldname .= "{$ft}) ";
}
$this->searchParameters[$c]['field'] = $fieldname;
$this->searchParameters[$c]['value'] = $fieldvalue;
$this->searchParameters[$c]['condition'] = $condition;
$this->searchParameters[$c]['mode'] = $linkmode;
}
// 获取搜索条件
function GetSearchQuery()
{
$wquery = '';
if( count( $this->searchParameters ) == 0 )
{
return '';
}
else
{
foreach($this->searchParameters as $k=>$v)
{
if( preg_match("/like/i", $v['condition']) )
{
$v['value'] = preg_replace("/like/i", $v['value'], $v['condition']);
}
$v['condition'] = preg_replace("/%/", '', $v['condition']);
if( $wquery=='' )
{
if(!preg_match("/\./", $v['field'])) $v['field'] = "{$v['field']}";
$wquery .= "WHERE ".$v['field']." {$v['condition']} '{$v['value']}' ";
}
else
{
if(!preg_match("/\./", $v['field'])) $v['field'] = "{$v['field']}";
$wquery .= $v['mode']." ".$v['field']." {$v['condition']} '{$v['value']}' ";
}
}
}
return $wquery ;
}
//把从表单传递回来的数值进行处理
function GetData($fname)
{
$reValue = '';
$ftype = $this->fields[$fname]['type'];
$GLOBALS[$fname] = isset($GLOBALS[$fname])? $GLOBALS[$fname] : @$GLOBALS['request']->forms[$fname];
//二进制单独处理
if( in_array($ftype, $this->binTypes) )
{
return $this->GetBinData($fname);
}
//没有这个变量返回默认值
else if( !isset($GLOBALS[$fname]) )
{
if( isset($this->fields[$fname]['default']) )
{
return $this->fields[$fname]['default'];
}
else
{
if(in_array($ftype, $this->intTypes) || in_array($ftype, $this->floatTypes)) {
return 0;
}
else if(in_array($ftype, $this->charTypes) || in_array($ftype, $this->textTypes)) {
return '';
}
else {
return 'NULL';
}
}
}
//处理整数
else if( preg_match("#YEAR|INT#", $ftype) )
{
// $temp = isset($GLOBALS[$fname][0])? $GLOBALS[$fname][0] : 0;
$negTag = is_int($GLOBALS[$fname]) && $GLOBALS[$fname]< 0 ? '-' : $GLOBALS[$fname];
$reValue = preg_replace("#[^0-9]#", '', $GLOBALS[$fname]);
$reValue = empty($reValue) ? 0 : intval($reValue);
if($negTag=='-' && !$this->fields[$fname]['unsigned']
&& $reValue != 0 && $ftype != 'YEAR')
{
$reValue = intval('-'.$reValue);
}
}
//处理小数类型
else if(in_array($ftype, $this->floatTypes))
{
$negTag = $GLOBALS[$fname][0];
$reValue = preg_replace("#[^0-9\.]|^\.#", '', $GLOBALS[$fname]);
$reValue = empty($reValue) ? 0 : doubleval($reValue);
if($negTag=='-' && !$this->fields[$fname]['unsigned'] && $reValue != 0)
{
$reValue = intval('-'.$reValue);
}
}
//字符串类型
else if(in_array($ftype, $this->charTypes))
{
$reValue = cn_substrR($this->StringSafe($GLOBALS[$fname]), $this->fields[$fname]['length']);
}
//文本类型
else if(in_array($ftype, $this->textTypes))
{
$reValue = $this->StringSafe($GLOBALS[$fname]);
}
//SET类型
else if($ftype=='SET')
{
$sysSetArr = explode(',', $this->fields[$fname]['em']);
if( !is_array($GLOBALS[$fname]) )
{
$setArr[] = $GLOBALS[$fname];
}
else
{
$setArr = $GLOBALS[$fname];
}
$reValues = array();
foreach($setArr as $a)
{
if(in_array($a, $sysSetArr)) $reValues[] = $a;
}
$reValue = count($reValues)==0 ? 'NULL' : join(',', $reValues);
}
//枚举类型
else if($ftype=='ENUM')
{
$sysEnumArr = explode(',', $this->fields[$fname]['em']);
if(in_array($GLOBALS[$fname], $sysEnumArr)) $reValue = $GLOBALS[$fname];
else $reValue = 'NULL';
}
//时间日期类型
else if(in_array($ftype, $this->dateTypes))
{
if($ftype=='TIMESTAMP')
{
$reValue = GetMkTime($GLOBALS[$fname]);
}
else
{
$reValue = preg_replace("#[^0-9 :-]#", '', $GLOBALS[$fname]);
}
}
return $reValue;
}
//对请求的字符串进行安全处理
function StringSafe($str, $safestep=-1)
{
$safestep = ($safestep > -1) ? $safestep : $this->stringSafe;
//过滤危险的HTML(默认级别)
if($safestep == 1)
{
$str = preg_replace("#script:#i", "ｓｃｒｉｐｔ：", $str);
$str = preg_replace("#<[\/]{0,1}(link|meta|ifr|fra|scr)[^>]*>#isU", '', $str);
$str = preg_replace("#[\r\n\t ]{1,}#", ' ', $str);
return $str;
}
//完全禁止HTML
//并转换一些不安全字符串（如：eval(、union、CONCAT(、--、等）
else if($this->stringSafe == 2)
{
$str = addslashes(dede_htmlspecialchars(stripslashes($str)));
$str = preg_replace("#eval#i", 'ｅｖａｌ', $str);
$str = preg_replace("#union#i", 'ｕｎｉｏｎ', $str);
$str = preg_replace("#concat#i", 'ｃｏｎｃａｔ', $str);
$str = preg_replace("#--#", '－－', $str);
$str = preg_replace("#[\r\n\t ]{1,}#", ' ', $str);
return $str;
}
//不作安全处理
else
{
return $str;
}
}
//保存二进制文件数据
//为了安全起见，对二进制数据保存使用base64编码后存入
function GetBinData($fname)
{
$lurdtmp = DEDEDATA.'/lurdtmp';
if(!isset($_FILES[$fname]['tmp_name']) || !is_uploaded_file($_FILES[$fname]['tmp_name']))
{
return '';
}
else
{
$tmpfile = $lurdtmp.'/'.md5( time() . Sql::ExecTime() . mt_rand(1000, 5000) ).'.tmp';
$rs = move_uploaded_file($_FILES[$fname]['tmp_name'], $tmpfile);
if(!$rs) return '';
$fp = fopen($tmpfile, 'r');
$data = base64_encode(fread($fp, filesize($tmpfile)));
fclose($fp);
return $data;
}
}
//格式化浮点数字
function FormatFloat($fvalue, $ftype='')
{
if($ftype=='') $ftype='%0.4f';
return sprintf($ftype, $fvalue);
}
//获得默认时间格式
function GetDateTimeDf($ftype)
{
if($ftype=='DATE') return 'Y-m-d';
else if($ftype=='TIME') return 'H:i:s';
else if($ftype=='YEAR') return 'Y';
else return 'Y-m-d H:i:s';
}
//格式化日期
function FormatDate($fvalue, $ftype, $fformat='')
{
if($ftype=='INT' || $ftype='TIMESTAMP' ) return MyDate($fvalue, $fformat);
else return $fvalue;
}
}
?>