Tree-type directory structure template program - Menu Catalog Library Field Description:
- MENU_ID menu item ID
- Menu Name
- Menu_grade Menu Level 1 Main Menu 2 for level two menu ...
- Menu_superior first-level menu ID number
function My_menu ($menu _content, $i, $menu _grade_temp, $menu _superior_temp) - {
- Global $PHP _self;
- $temp 1= $menu _grade_temp+1;
- $menu _superior_temp_array=split ("/", $menu _superior_temp);
- for ($t =0; $t < $i; $t + +)
- {
- $menu _array=split ("/", $menu _content[$t]);
- If (($menu _array[2]== $menu _grade_temp) && ($menu _array[3]== $menu _superior_temp_array[$menu _grade_temp-1]) )
- {
- for ($p =1; $p <= $menu _grade_temp; $p + +) {echo "";}
- $temp 3= $menu _superior_temp_array;
- $temp 3[$menu _grade_temp]= $menu _array[0];
- $temp 2=implode ("/", $temp 3);
- if ($menu _array[0]== $menu _superior_temp_array[$temp 1-1])
- {
- $temp 5= $temp 1-1;
- $temp 3[$menu _grade_temp]= "";
- $temp 6=implode ("/", $temp 3);
- echo "$menu _array[1]
";
- My_menu ($menu _content, $i, $temp 1, $temp 2);
- }
- Else
- {
- $temp 3[$menu _grade_temp+1]= "";
- $temp 6=implode ("/", $temp 3);
- echo "$menu _array[1]
";
- }
- }
- }
- }
- Connect to MYSQL Database
- $db _host= "localhost";
- $db _user= "dkj";
- $db _password= "123";
- $db _name= "Test";
- Mysql_connect ($db _host, $db _user, $db _password);
- mysql_select_db ($db _name);
Getting data from the database - $query _string= "SELECT * from Menu order by Menu_grade";
- $db _data=mysql_query ($query _string);
First execution initialization - if ($menu _grade_temp== "")
- {
- $menu _superior_temp=0;
- }
Read all the information into the array and count the number of arrays - $i = 0;
- while (list ($menu _id, $menu, $menu _grade, $menu _superior) =mysql_fetch_row ($db _data))
- {
- $menu _content[$i]= $menu _id. " /". $menu." /". $menu _grade." /". $menu _superior;
- $i + +;
- }
- My_menu ($menu _content, $i, 1, $menu _superior_temp);
/* Attached database structure and simulation data - # Host: localhost database: Test
- # The structure of the data table ' menu '
- CREATE TABLE Menu (
- menu_id Int (one) not NULL auto_increment,
- Menu varchar (not NULL),
- Menu_grade Int (one) is not NULL,
- Menu_superior Int (one) is not NULL,
- UNIQUE menu_id (menu_id)
- );
# Export the following database contents ' menu ' - INSERT into Menu VALUES (' 1 ', ' computer ', ' 1 ', ' 0 ');
- INSERT into Menu VALUES (' 2 ', ' Programming ', ' 2 ', ' 1 ');
- INSERT into Menu VALUES (' 3 ', ' Network ', ' 2 ', ' 1 ');
- INSERT into Menu VALUES (' 4 ', ' PHP with MySQL ', ' 3 ', ' 2 ');
- INSERT into Menu VALUES (' 5 ', ' C language ', ' 3 ', ' 2 ');
- INSERT into Menu VALUES (' 6 ', ' Page maker ', ' 3 ', ' 3 ');
- INSERT into Menu VALUES (' 7 ', ' TCP, IP protocol ', ' 3 ', ' 3 ');
- INSERT into Menu VALUES (' 8 ', ' Math ', ' 1 ', ' 0 ');
- INSERT into Menu VALUES (' 9 ', ' Advanced math ', ' 2 ', ' 8 ');
- INSERT into menu VALUES (' 10 ', ' linear Algebra ', ' 3 ', ' 9 ');
- INSERT into menu VALUES (' 11 ', ' Discrete Math ', ' 3 ', ' 9 ');
- INSERT into Menu VALUES (' 12 ', ' Elementary math ', ' 2 ', ' 8 ');
- INSERT into menu VALUES (' 13 ', ' literature ', ' 1 ', ' 0 ');
- INSERT into Menu VALUES (' 14 ', ' Home of the Programmer ', ' 2 ', ' 13 ');
- INSERT into menu VALUES (' All ', ' php ', ' 4 ', ' 4 ');
- INSERT into menu VALUES (' + ', ' MySQL ', ' 4 ', ' 4 ');
- */
- ?>
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