cakephp-model

问题 What I need: A facebook-like friendship system. User (A) sends a requests for a friendship with User (B) User (B) confirmes the request User (A) and User (B) are friends now My problem: I'm confused how to work this out. I read a lot on the internet but it did not really helped me... My Questions: What kind of link is it in CakePHP? Is it hasAndBelongsToMany? Or hasMany? Or ...? How do I realise it in the datebase correctly? How do I link it in the model? What I already did: Table: users Name

问题 My problem is when I fetch data of user from users table , all the fields of user table fetched from users table..but i don't want to include password and email address into that so is there any way to only fetch fields other than password and email address? regards. 回答1: As mentioned by juhana you don't need to use all fields that are returned by your find call. It's not clear what actual problem you're trying to solve and it would be in your interest to clarify such details in future

问题 I have the following three tables in a database: Products ******** id title artist_id Artists ******* id profile rating person_id People ****** id first_name last_name Each artist can have many products. Each artist has only one person. Each product has only one artist. What are the correct associations to set up between the models for these three tables? 回答1: Artist to Products: One to Many Product to Artist: One to One Artist to Person: One to One For example, the Artist Model: <?php class

问题 I have 3 tables that contain user information, one for students, one for teachers and one for administrators. They are not related in any way. I wan't to create a dashboard for the Administrators, where a list of students and teachers shows up. The only way I found to achieve this was using the $uses variable in the Administrators controller. However, I have read in many places that this is bad practice. Any solutions? 回答1: Another, perhaps better practice is the use of ClassRegistry::init(

问题 First of all i'm sorry about the name of this question i had a hard time figure out what to call it: Here is my problem i have the following two data tables: Users Employees. These two data-tables are connected in a 1 to 1 relationship Now both of these has a Model a view and a controller. Now my question is kinda split into two parts first the hard part: Whenever an employee wants to create a new user (new employee) he has to insert the data into two tables first in the users table and then

问题 Hie guys i need help with my code I don't know how to do it. I have a form where a student selects an exam body, if the exam body selected is zimsec marks should be empty and if the exam body is cambridge marks should not be empty and should take a range depending on grade. validMarks is the function I am using to validate marks and it stopped working when i allowed marks to be empty so as to accomodate Zimsec. My add.ctp echo "<td>"; echo $this->Form->label('Mark(%): '); echo "</td><td>";

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I already upgrade my cakephp in to the latest one. I also already make some changes due to the migration. But I have this error Missing Plugin Error: The application is trying to load a file from the forums

问题 I am trying to use join with two table by using has many relation of CakePHP with condition my model code are here which am using public $userid = 3; public $name = 'Course'; public $hasMany = array( 'Enrollcourse' => array( 'className' => 'Enrollcourse', 'foreignKey' => 'course_id', 'conditions' => array('Enrollcourse.student_id' => $this->userid), 'dependent' => true ) ); OR public $userid = 3; public $name = 'Course'; public $hasMany = array( 'Enrollcourse' => array( 'className' =>

问题 Good morning, I am having trouble with $hasMany, even though $hasOne works fine. I have two models, Assignment and AssignmentGroup. Assignment can have one AssignmentGroup but AssignmentGroup can have many Assignments. Here are the relationships: class Assignment extends AppModel { public $belongsTo = array('AssignmentGroup'); } class AssignmentGroup extends AppModel { public $hasMany = array( 'Assignment' => array('foreignKey'=>'assignment_group_id), ); } Here's the code I'm running: $this-

问题 I have 2 tables in my db... Entita id int(11) descrizione varchar(50) ..... Publicobjects .... model varchar(50) the model I need (in this case 'Entita' ) model_id int(11) I would like to make a query like this: select entita.* from entita where NOT EXISTS (select * from publicobjects where publicobjects.model = 'Entita' and publicobjects.model_id = entita.id) How can I do this with the model functions of Cakephp without use custom query? Thanks 回答1: I believe you're trying to find rows from