memcache php 缓存父子节点树 部门组织结构 省市地区下拉列表 常用信息

//首先从数据库中获取父子节点树
function region_array( $DEPT_PARENT, $DEPARTMENT = array( ), $DEPT_LEVEL = 0 )
{
global $connection;
global $DEPT_LINE;
$DEPT_LINE1 = $DEPT_LINE;
$DEPT_LINE .= "│";
$COUNT = 0;
++$DEPT_LEVEL;
$query = "SELECT region_id,region_name,parent_id from osg_region where parent_id='".$DEPT_PARENT."' order by region_id";
$cursor = exequery( $connection, $query );
while ( $ROW = mysql_fetch_array( $cursor ) )
{
++$COUNT;
$DEPT_ID = $ROW['region_id'];
//$DEPT_NO = $ROW['DEPT_NO'];
$DEPT_NAME = $ROW['region_name'];
$DEPT_PARENT = $ROW['parent_id'];
//$IS_ORG = $ROW['IS_ORG'];
$DEPT_NAME = str_replace( "\"", "\\\"", $DEPT_NAME );
if ( array_key_exists( $DEPT_PARENT, $DEPARTMENT ) )
{
$DEPT_LONG_NAME = $DEPARTMENT[$DEPT_PARENT]['DEPT_LONG_NAME']."/".$DEPT_NAME;
}
else
{
$DEPT_LONG_NAME = $DEPT_NAME;
}
$POSTFIX = _( "　" );
if ( $COUNT == mysql_num_rows( $cursor ) )
{
$DEPT_LINE = substr( $DEPT_LINE, 0, 0 - strlen( $POSTFIX ) ).$POSTFIX;
}
if ( $COUNT == mysql_num_rows( $cursor ) )
{
$DEPT_LINE2 = $DEPT_LINE1."└";
}
else
{
$DEPT_LINE2 = $DEPT_LINE1."├";
}
$DEPARTMENT[$DEPT_ID] = array(
"DEPT_NAME" => $DEPT_NAME,
"DEPT_PARENT" => $DEPT_PARENT,
//"DEPT_NO" => $DEPT_NO,
"DEPT_LEVEL" => $DEPT_LEVEL,
"DEPT_LONG_NAME" => $DEPT_LONG_NAME,
//"IS_ORG" => $IS_ORG
);
$DEPARTMENT_STR .= " \"".$DEPT_ID."\" => array(\"DEPT_NAME\" => \"{$DEPT_NAME}\", \"DEPT_PARENT\" => {$DEPT_PARENT}, \"DEPT_NO\" => \"{$DEPT_NO}\", \"DEPT_LEVEL\" => {$DEPT_LEVEL}, \"DEPT_LONG_NAME\" => \"{$DEPT_LONG_NAME}\", \"IS_ORG\" => \"{$IS_ORG}\", \"DEPT_LINE\" => \"{$DEPT_LINE2}\"),\n";
$DEPARTMENT_STR .= dept_array( $DEPT_ID, $DEPARTMENT, $DEPT_LEVEL );
}
$DEPT_LINE = $DEPT_LINE1;
return $DEPARTMENT_STR;
}

//设置memcache缓存

function cache_region( )
{
global $td_cache;
global $SYS_REGION;
$DEPARTMENT_STR = "\$SYS_DEPARTMENT=array(\n".substr( region_array( 0 ), 0, -2 )."\n);";
eval( $DEPARTMENT_STR );
include_once( "inc/cache/Cache.php" );
$td_cache->set( "SYS_DEPARTMENT", $SYS_REGION, 0 );
include_once( "inc/utility_cache.php" );
cache_org_xml( );
}

//动态节点树
function my_region_tree( $DEPT_ID, $DEPT_CHOOSE, $POST_OP, $NO_CHILD_DEPT = 0 )
{
global $connection;
global $SYS_REGION;
if ( is_array( $POST_OP ) )
{
$DEPT_PRIV = $POST_OP['DEPT_PRIV'];
$DEPT_ID_STR = $POST_OP['DEPT_ID_STR'];
}
if ( $DEPT_ID == 0 )
{
$LEVEL = 0;
}
$DEPT_PRIV_ID_STR = my_dept_priv_id( $DEPT_PRIV, $DEPT_ID_STR );
reset( &$SYS_DEPARTMENT );
while ( $DEPT = current( &$SYS_DEPARTMENT ) )
{
$ID = key( &$SYS_DEPARTMENT );
if ( $ID == $DEPT_ID )
{
$LEVEL = $DEPT['DEPT_LEVEL'];
}
if ( !isset( $LEVEL ) || $ID != $DEPT_ID )
{
next( &$SYS_DEPARTMENT );
}
else
{
if ( $NO_CHILD_DEPT && $NO_CHILD_DEPT == $ID )
{
do
{
} while ( $DEPT_NEXT = next( &$SYS_DEPARTMENT ) && !( $DEPT_NEXT['DEPT_LEVEL'] <= $SYS_DEPARTMENT[$NO_CHILD_DEPT]['DEPT_LEVEL'] ) );
prev( &$SYS_DEPARTMENT );
}
if ( $DEPT['DEPT_LEVEL'] <= $LEVEL && $ID != $DEPT_ID )
{
break;
}
$DEPT_NAME = $DEPT['DEPT_NAME'];
$DEPT_NAME = htmlspecialchars( $DEPT_NAME );
if ( !$POST_OP && find_id( $DEPT_PRIV_ID_STR, $ID ) )
{
$OPTION_TEXT .= "<option ";
if ( $ID == $DEPT_CHOOSE )
{
$OPTION_TEXT .= "selected ";
}
$OPTION_TEXT .= "value=".$ID.">".$DEPT['DEPT_LINE'].$DEPT_NAME."</option>\n";
}
next( &$SYS_DEPARTMENT );
}
}
reset( &$SYS_DEPARTMENT );
return $OPTION_TEXT;
}