The correlation model

Original: 5-relevance model

1, SectionModel.class.php

To inherit Relationmodel, the mapping model and class name write correspond to the data table and the action class

1<?PHP2     classSectionmodelextendsrelationmodel{3          Public $_link=Array(4' Category ' =Array(5' Mapping_type ' =>has_many,//Association Relationship 1:n6' Class_name ' = ' Category ',//corresponding class name7' Foreign_key ' = ' SectionID ',//foreign key, category table field8' Mapping_name ' = ' category ',//Mapping Model9' Mapping_order ' = ' SectionID desc ',//Map SortTen), One' Article ' =Array( A' Mapping_type ' =>has_many, -' class_name ' = ' article ', -' Foreign_key ' = ' SectionID ', the' Mapping_name ' = ' article ', -              -), -         ); +         

2, SectionAction.class.php

Turn on association relation (True)

<?PHPclassSectionactionextendscommonaction{ Public functionindex () {$sec=NewSectionmodel ();//Relation (TRUE) associates all associated data//-----queries that hold the user model definition//dump ($sec->relation (True)->find (3));/*----Create data 2.INSERT into ' joys_section ' (' title ') VALUES (' Custom units ') [runtime:0.001198s]3.show COLUMNS FR OM ' joys_category ' [runtime:0.005667s]4.insert into ' joys_category ' (' title ', ' Alias ', ' SectionID ') VALUES (' Custom Category 1 ', ' Test11 ', 8) [runtime:0.000496s]5.insert into ' joys_category ' (' title ', ' Alias ', ' SectionID ') VALUES (' Custom category ', ' test21 ')                , 8) [runtime:0.000302s] $data [' title ']= "Custom unit"; $data [' Category ']=array (' title ' = ' + ' custom Category 1 ', ' Alias ' = ' test11 '), Array (' Ti                Tle ' = ' + ' custom category ', ' Alias ' = ' test21 '); $sec->relation (True)->add ($data);*//*----Update data/*show COLUMNS from ' joys_section ' [runtime:0.007477s]update ' joys_section ' SET ' id ' =8, ' title ' = ' Custom unit ' W Here (id=8) [runtime:0.002553s]show COLUMNS from ' joys_category ' [runtime:0.008511s]insert into ' joys_category ' (' Ti Tle ', ' Alias ', ' SectionID ') VALUES (' Custom classification ', ' test ', 8) [runtime:0.000866s]show COLUMNS from ' joys_article ' [runtime:0.    011497s] $data [' id ']=8;                Update the time to add $data[' id ']=8, or not update from the table $data [' title ']= "Custom unit";            $data [' Category ']=array (' title ' + ' custom category ', ' Alias ' = ' test ');            $sec->relation (True)->where (' id=8 ')->save ($data); *            */                                        //---------Delete/*DELETE from ' joys_section ' WHERE (' id ' = 8) [runtime:0.002513s]show COLUMNS from ' joys_category ' [runtime:0.01370 9s]delete from ' joys_category ' WHERE (' sectionid ' = 8) [runtime:0.000967s]show COLUMNS from ' joys_article ' [RunTime: 0.014401s]delete from ' joys_article ' WHERE (' sectionid ' = 8) [runtime:0.001064s] $ Sec->relation (True)->delete (8);*/            $data[' ID ']=8;//update the time to add $data[' id ']=8, or not update from the table                $data[' title ']= ' Custom unit '; $data[' Category ']=Array(                    Array(' title ' = ' Custom classification ', ' Alias ' = ' test '))                    ); $sec->relation (true)->where (' id=8 ')->save ($data); $this-display (); }

The correlation model