Introduction In the first two parts, we showed how to make a simple component-based scheme mvc. We had a simple view that retrieves data from the model (it was created in the second part). In this part we will work only with the model. Instead, the data hardcoded in the model, we'll get them from a database table with a class JDatabase. Retrieving Data Now our model has only one method: getGreeting (). This is a very simple example – all that he does it returns the hardcoded code. To make our example more interesting, we'll upload a greeting from the database. Later we will show how to create a sql file and add the code in the xml file to install the component was created and populated the table you want. While we just modify the function to return the greeting so that she got it from the database. First you need to get a reference to baze. Starting with Joomla, the use of databases is a common procedure. Connection to the database already exists, so no need to create their own. Link to an existing database can be obtained as follows: $ db = & JFactory:: getDBO (); Jfactory – this is a static class that is used to obtain links to many of the object system. More information about this class can be obtained here. Method name (getDBO) is derived from the get DatBase Object to make it easy to remember. To get the record from the database we need to do two steps: 1.
The search service on the portal. A search box is available on every portal page. Search by all portal database that includes information about services, information about sites, descriptions of products, articles, forums and message boards. On the search results you get links to the portal page, where there are details you have entered your search. The search service on the map. On the interactive map is implemented in user-friendly search categories. Can search by company, ads, directory, label users address. Search result you get a point on the map where the desired object, and a link to a portal page. Consultant on-line. Service on-line consultation service is available through the ICQ (ICQ") and allows you to get answers to your questions related to the portal. Search by region. Search by region organized by the drop-down menu in which You can choose the region you are interested. Thus, the service automatically organize the portal to limit your search desired region. Access to sections of the portal does not change. Catalogue of companies. All firms for which data located in the portal database, compiled in a single directory and classified by Categorization of activities and services, title and rating. Easy to use menus allow you to easily find relevant information. Directory organizations. All the organizations for which data are in the portal database, compiled in a single directory and classified by Categorization of activities and services, title and rating. User-friendly menu enables you to easily difficult to find the desired information.
cms Joomla! – Is a specialized software, using which you can create excellent modern web-sites of any complexity with all necessary functions, while not having any special knowledge in web-programming. And to get on this platform more extensive concept, I propose to move immediately to the consideration of all advantages and amenities that it can offer you. The very concept of cms, if you decode it with the English language means "content management system", that is, as stated in your tasks will include only the organization of site content without worrying about how to define the functions implemented in the code. By the way, the basis for cms Joomla! is php programming language and to organize the databases used MySQL. cms Joomla! is an improved descendant of Mambo – one of the first content management system, which has gained high esteem for its performance and ease of operation. To develop cms Joomla! Great efforts were a huge number of web-masters around the world, and at no cost, over its name and bother branding serious professionals. For all these factors, we can say that the cms Joomla! got quite a fair name, translated from an ancient language as a "together". Using this platform is free, so you can freely use it for their needs. In this case, cms Joomla! never ceases to improve with each passing year it grows more and more functionality that should please use it saytostroiteley. So, let's see any possibility we can implement in their site using the cms Joomla!, and what advantages it may have to please: You can not conceive how, in what operating system to implement this platform, since it is the best way "" with virtually anyone. No no restrictions on the amount of information you wish to present to future visitors, so create as many pages and sections. If you suddenly need to change the look of the site, then you only need to change the main template, all content will not undergo the slightest change. Management rights of your guests to view information, registration, and adding comments is organized quite simply and clearly. is provided and the prospect of further promotion, so for every single page you can enter in the special fields peculiar to her meta tags. You can also set up some automation, based on which the selected information will be removed from the publication or the opposite, added to any calendar days. Guest books, galleries, forums, polls, chat rooms and mini-chat – all of it is also quite easy to add and configure. So, with the cms Joomla! you obviously do not get bored, and even more so you will not worry about what could not implement any of their wishes.
Most likely, you already know that the Internet has overtaken Western Runet for several years. In the west, has long been the word 'website' is perceived as a private business. Yes, the business, because the site just as profitable, but not require vladeltsabolshih efforts. As of any business on the site need some time to work, to start making decent money on it. To begin to define what is the site and why along with it we can often hear Such strange words like 'server', 'domain', 'Hosting', etc. If we speak in plain language – the site is some information in the form of text, graphics and files that are ordered by language html markup ivzaimosvyazany each link. All this information is located on a dedicated server and is accessible from anywhere in the world because she is assigned to a particular 'name' site – eg. The name of the site called "domain". Hosting – a service that includes server space for your sayta.Na one hosting can accommodate multiple sites with different 'names (domains). How many exactly? It depends on the rate of hosting. What are the advantages and disadvantages is a ownership of your own website. Pluses: The site will be the place where it will meet your audience. Your website will make a profit through advertising. On their website you can advertise and sell their own goods and services in an automatic mode. You will find many new friends and associates. You'll respect yourself more, you'll be more respected by others. Cons: The monthly cost of about $ 05.10 for hosting sayta. spent the creation of the site and nadalneyshee regular replenishment .Na same time I want to finish this article, good luck to you and all the best!