erp tiers

layer provides a unique protocol between the user interface and the other tiers, allowing you to focus on application logic. Application logic is part of the business logic that arises directly from the use case.On the server side, the service layer method that is executed, reasonably arranges the required logic, through the coordination domain model, the Special Application service, the workflow.Without a service layer, the presentation layer invoke

UI The previous article we have led you to build a very simple three-tier architecture, and in accordance with the Order of construction (entity class library, data access, business logic, UI, about the order of building three layers, there is no unified statement, but I am accustomed to bottom building). Once again picture (1-1) let's recall. Figure 1-1(i) Add a reference relationshipWe are now going to reference relationships between the three tiers

(' User_service ');}Public Function Login (){$name = ' phpddt.com ';$PSW = ' password ';Print_r ($this->user_service->login ($name, $PSW));}}Call model in service:The code is as follows:Class User_service extends My_service{Public Function __construct (){Parent::__construct ();$this->load->model (' User_model ');}Public Function Login ($name, $password){$user = $this->user_model->get_user_by_where ($name, $password);//.....//.....//.....return $user;}}In model you only deal with DB:The code is

($service as $class) { $this->service ($class,$params); } return; } if($service= = "orisset($this->_ci_services[$service])) { return FALSE; } if(!Is_null($params) !Is_array($params)) { $params=NULL; } $subdir= ' '; //is the service in a sub-folder? If So, parse out the filename and path. if(($last _slash=Strrpos($service, '/'))!==FALSE) { //The path is in fro

3.3.4 ERP Support Platform ERPThe concept is achieved through the application software system. When selecting software, enterprises sometimes have to "take the length of their families ". Different software is developed on different platforms. to be integrated, a standardized "connector" is required ". So Enterprise Application System Integration(EAI)In this way, technologies and products with the "Middleware" nature are applied. Summary MRP

Apparel ERP case: the ERP path of metus bonway US solar bonwe: A great effort in both internal and external problems Internal sorrow: for China, the world's largest garment country with a production capacity of nearly 10 billion pieces per year and a serious overcapacity, apparel enterprises are facing a bigger challenge: many garment enterprises still follow the traditional method, produce the produc

1.1 What is ERP? Definition ERP is defined in many books and articles, for example: One of the definitions of ERP ERP (Enterprise Resources Planning "Enterprise Resource Planning") can be defined at three levels: management ideas, software products, and management systems: I. Garter Group Inc, a famous American compute

ERP has been developing for a long time, from MRP, MRPII, ERP to ERPII, from ERP in the manufacturing industry to ERP systems in various industries, the Connotation and extension of the ERP system are constantly being developed and enriched. From the literal meaning of

Access | Data summary: Learn how to write smart applications that transparently use different data sources, from Microsoft Access to SQL Server and Oracle RDBMS. Content of this page Introduction Using common data access methods Using basic interfaces Write a dedicated data access layer Using data access classes from other tiers Some of the possible improvements Conclusion Introduction Over the past 6 years in charge of consulting, I've heard a lot

About Storage TiersEhcache have three storage tiers, summarized here: Memory Store–heap memory that holds a copy of the hottest subset of data from the Off-heap store. Subject to Java GC. Off-heap store–limited in size is only by available RAM. Not subject to Java GC. Can store serialized data only. Provides overflow capacity to the memory store. Disk store–backs up in-memory data and provides overflow capacity to the other

[ERP] core ERP management ideas The following content is excerpted from the Internet, which helps clarify the understanding of ERP: -- ERP is a management idea based on the "supply chain" and expands the management scope on the basis of mrp ii, integrating customer requirements with internal manufacturing activities an

ArticleDirectory Layers vs. tiers How to select a tier? The general suggestions are as follows: Layers vs. tiers Layers refer to the logical division of components and functionality, and not to the physical location of Components in different servers or places. conversely, the term tiers refers to the physical distribution of components and funct

In part 1th of this three-part series, the key features of open source technologies such as Firefox, Zend Core, and MySQL are understood. We discussed a more complex banking scenario that spans all three tiers of an Ajax application. It also sets up the database servers, middle-tier servers, and Eclipse-based Ides needed to develop an end-to-end Ajax application. In part 2nd of this series, some parts of the bank scenario will be developed. Specifical

because, in this way, the agency has a space for selling goods. Like Company Z, after some of the above policies have been formulated, but the goods are still rampant, Company Z still has many problems that cannot be solved. The reason is that the core issue of anti-fraud management is how Company Z can control the flow of products. If Company Z cannot effectively collect the flow and positioning information of products in the circulation process, therefore, it is impossible to monitor and cont

This is the general process of ASP operations after the viewer inputs the asp url. 1. When the user enters the URL 2. After IIS receives the URL entered by the user, it submits the file 3. Compile the file and request data from the database through ADO. 4. After processing the data, translate the HTML syntax and send it to the user's browser. 5. the browser receives the HTML from IIS and translates the HTML into a screen, which is displayed in the user's screen. There are several com

Designing data-tier components and passing data between tiers Angela Crocker, Andy Olsen and Edward Jezierski Microsoft Corporation August 2002 Apply to: Microsoft?. NET Applications Summary: Learn the best way to expose data to Microsoft. NET applications, and how to implement an effective policy to pass data across tiers of distributed applications. (This article contains links to English-language sites.)

necessary condition to realize the layering, and also the important guarantee of constructing the good structure system. The following focuses on the issue of data transfer between tiers. Before discussing this question, I think it is necessary to clarify several concepts, namely VO, PO, POJO, BO, DAO, DTO. (1) Vo: Value object, and there are also those who think that VO refers to the view object, or that it is also a representation of two concepts.

Design | data-tier components and pass data between tiers Angela Crocker, Andy Olsen and Edward Jezierski Microsoft Corporation August 2002 Apply to: Microsoft®.net applications Summary: Learn the best way to expose data to Microsoft. NET applications, and how to implement an effective policy to pass data across tiers of distributed applications. (This article contains links to English-language sites.

At present, most mature ERP systems are integrated with standard cost management system. Due to the highly integrated nature of the ERP system, the effects of various factors on the standard cost require a lot of time and effort from the relevant personnel to analyze, after all, the intelligent system still needs people to participate. This paper will focus on the analysis and control of differences.One, th

3.3.1 background of ERP Another headache for enterprises is that they cannot grasp customer needs accurately and in real time, and cannot grasp supply changes in real time. Therefore, they often encounter many "unexpected" problems, there are too many uncertainties. Any enterprise cannot survive independently. It must rely on the support of upstream "Suppliers" and downstream partners (such as dealers and customers) and intermediate links (such as