jeudi 9 octobre 2014
On 04:30 by مشاهير العرب in databases, Déclaration d'une classe, PHP5, Utilisation des classes et des objets No comments
Utilisation des classes et des objets
Notre classe est maintenant prêt mais aucune utilisation tout seul. Comme nous l'avons expliqué ci-dessus, une classe est considéré comme un moule capable d'effectuer autant d'objets de même type et la même structure que celle désirée. Nous présentons maintenant la phase de réalisation d'une classe.
Instanciation d'une classe
L'instanciation d'une classe est la phase de création des objets issus de cette classe. Lorsque l'on instancie une classe, on utilise le mot-clé new suivant du nom de la classe. Cette instruction appelle la méthode constructeur ( __construct() ) qui construit l'objet et le place en mémoire. Voici un exemple qui illustre 4 instances différentes de la classes Personne.
Un objet est en fait une variable dont le type est la classe qui est instanciée.
Création d'objets de type Personne<?php$personne1 = new Personne();$personne2 = new Personne();$personne3 = new Personne();$personne4 = new Personne();
Remarque: Si nous avons défini les paramètres dans le constructeur de notre méthode de classe, nous devrions les avoir dans les parenthèses indiquent la durée de la procédure. Par exemple: $ person1 = new Personne ("Hamon», «Hugo»);
Accès aux attributs
Accès en écriture
Nous avons créé quatre objets de même type et la même structure. En l'état actuel, ils sont des clones parce que leurs attributs sont déclarés mais non initialisées. Nous attribuons à chacune de ces valeurs aux attributs de chaque objet.
Utilisation des attributs d'un objet<?php// Définition des attributs de la personne 1$personne1->nom = 'Hamon';$personne1->prenom = 'Hugo';$personne1->dateDeNaissance = '02-07-1987';$personne1->taille = '180';$personne1->sexe = 'M';// Définition des attributs de la personne 2$personne2->nom = 'Dubois';$personne2->prenom = 'Michelle';$personne2->dateDeNaissance = '18-11-1968';$personne2->taille = '166';$personne2->sexe = 'F';// Définition des attributs de la personne 3$personne3->nom = 'Durand';$personne3->prenom = 'Béatrice';$personne3->dateDeNaissance = '02-08-1975';$personne3->taille = '160';$personne3->sexe = 'F';// Définition des attributs de la personne 4$personne4->nom = 'Martin';$personne4->prenom = 'Pierre';$personne4->dateDeNaissance = '23-05-1993';$personne4->taille = '155';$personne4->sexe = 'M';
Nous avons maintenant des objets ayant chacun des caractèristiques différentes.
Dans notre exemple, nous accèdons directement à la valeur de l'attribut. Cela est possible car nous avons défini l'attribut comme étant public. Si nous avions déclaré l'attribut avec les mots-clés private ouprotected, nous aurions du utiliser un autre mécanisme pour accéder à sa valeur ou bien la mettre à jour. Nous verrons cela dans un prochain cours.
Accès en lecture
La lecture de la valeur d'un attribut d'un objet se fait exactement de la même manière que pour une variable traditionnel. Le code suivant montre comment afficher le nom complet de la personne 1.
Affichage du nom et du prénom de la personne 1<?phpecho 'Personne 1 :<br/><br/>';
L'exécution de ce programme produit le résultat suivant sur la sortie standard :
Résultat d'exécution du codePersonne 1 :Nom : HamonPrénom : Hugo
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EXEIDEAS – LET'S YOUR MIND ROCK » BLOGSPOT / BLOGSPOT NAVIGATION BAR » PAGE NAVIGATION WITH (NEXT/PREV, FIRST/LAST) FOR BLOGGER
Page Navigation With (Next/Prev, First/Last) For Blogger
This Article Was Live On December 14th, 2015And So Far Have: 2 Comments...
Page-Navigation-With-NextPrev-FirstLast-For-Blogger
Its a continuous part of our previous Page Navigation With (PageCount – NextPrev – FirstLast) For Blogger, Page Navigation With (PageCount, Next/Prev) For Blogger, Page Navigation With (Next/Prev) For Blogger which have same features but no page count text so this one features is new here in this version. By default Blogger has a simple navigation system to navigate between the posts and pages. This page navigation has just three buttons, one for next one for previous and one for home. this simple page navigation system is best to navigate between the posts but on pages and on post summary pages it does not seems good to work. For example if a visitor has to jump on directly to next to second page then he or she has to go through all the posts by using previous button.
This page navigation is also limited to Home/Lable page only and on post page, blogger default page navigation will be back. So you have seen the screenshoot above so now the code is below. So now before proceeding to the code, have a look on our navigation widget features list and then garb the code. Its very easy to install it without editing your template that can be dangerous sometime.
Features:
1.) PageNavigation With Next/Previous And First/Last Button.
2.) Fully Customizable CSS.
3.) Easy To Install.
4.) Simple And Cross-Browser.
5.) Complete InBuilt Code, No Need To Edit Your Template.
6.) Pure JavaScript Code.
7.) Navigation Will Be Displayed Only On HomePage/LablePage.
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9.) No External Link Added.
10.) CSS3 Added For Style.
11.) First And Last Page Button Will Be Keep Showing.
12.) With Not Conflict With Any Code.
13.) Total Page Count Added.
How To Add In Blogspot?
1.) Go To Your www.blogger.com
2.) Open Your Desire “Blog“.
3.) Go To “Layout“.
4.) Click “Add A Gadget” Where You Want To Add It.
5.) Now Scroll To “HTML-JAVASCRIPT”
6.) Click “+” Icon To Add It.
7.) Now “Copy” The Below Code And “Paste” It To There.
8.) Leave The Title Empty.
9.) Click “Save“.
10.) Move That Gadget Below “Blog1” Gadget. Now You Are Done.
Customization:
1.) Change “displayPageNum” Num With Your Desired Count Of Post In One Page.
2.) Change “pageCount” Num With Your Desired Count Of Page No To Show On Navigation.
3.) Change “upPageWord” Text With Your Desired Text To Show Previous Page On Navigation.
4.) Change “downPageWord” Text With Your Desired Text To Show Next Page On Navigation.
5.) Change “firstPageWord” Text With Your Desired Text To Show First Page On Navigation.
6.) Change “endPageWord” Text With Your Desired Text To Show Last Page On Navigation.
7.) Save And Done.
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Page Navigation With (Next/Prev, First/Last) For Blogger
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2 RESPONSES TO “PAGE NAVIGATION WITH (NEXT/PREV, FIRST/LAST) FOR BLOGGER”
Marie says: December 14, 2015 at 11:45 PM
Nice post thanks for the sharing with us
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EXEIdeas says: December 15, 2015 at 7:06 PM
Welcome here and thanks for liking our article.
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