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Structure method of five-hierarchical system structure base on J2EE

A construction method and architecture technology, applied in the direction of multi-programming devices, etc., can solve the problems of high performance, low performance, complex J2EE technology, etc., to achieve the effect of improving system performance and reducing consumption

Inactive Publication Date: 2005-01-05
史宇清
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some of the above existing J2EE applications have a clear structure but low performance (such as three layers and four layers); some have high performance but unclear structure (such as N layers)
Generally speaking, the J2EE technology used is relatively complicated, requiring programmers to have a high technical level and programming skills, and the system is difficult to implement and reuse

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Firstly, the method of the present invention is described in detail by taking the concrete process of constructing the J2EE-based five-layer architecture oriented to the field of water conservancy as an example.

[0034] 1. Build the data layer

[0035] The bottom layer of the J2EE specification is the enterprise information system layer, including enterprise infrastructure systems such as enterprise resource planning and database systems, and various standard APIs such as JCA and JDBC. Since the current water conservancy field mainly uses Sybase and Oracle databases, the bottom layer of the application framework for the water conservancy field uses a relational database.

[0036] JDBC (Java Database Connectivity, Java Database Connection) in the J2EE container provides a common interface for applications to connect to relational databases. JDBC's access to the database is platform-independent, which solves the problem of heterogeneous database processing, thus simplif...

Embodiment 2

[0147] The present embodiment introduces the five-layer architecture construction steps based on J2EE for the dissertation management system of a certain university library, and the specific circumstances are as follows:

[0148] 1 system function

[0149] Because dissertations occupy an important position in the self-produced literature of university libraries, there is no effective method for computer management of dissertations. Apply the multi-layer architecture of J2EE to the field of book informatization to realize online submission, query and automatic classification of dissertations.

[0150] 2 System development and operation environment

[0151] System hardware environment: database server: install Oracle9i database; application server: install BEA WebLogic Server6.1; system development computer: install Borland's Jbuilder7.0 as the system development platform. All of the above uses Pentium III microcomputer.

[0152] System software environment: operating system:...

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Abstract

The invention relates to a constructing method for five-layer structure based on J2EE, belongs to distributed computer application technology field. The invention provides and realizes a five-layer system structure according tot J2EE: constructs five-layer structure which is made up of data layer, data integrating layer, service logic layer, interface control layer and user interface layer from bottom up. The system makes the application program clear, the performance is excellent and easy to be realized, it has a high security, reduces the waste of network resources, at the same time, it can realize component duplex based on the industry standardization, thus the developer without high programming technology can develop high efficient, safe and reliable, extensible manageable distributed industry application program.

Description

technical field [0001] The invention relates to a method for constructing a J2EE-based five-layer system structure, belonging to the technical field of distributed computer applications. Background technique [0002] Sun's J2EE (Java 2 Platform, Enterprise Edition, Java2 Platform Enterprise Edition) is a standard multi-tier architecture, suitable for developing and deploying distributed enterprise applications, with the following characteristics: [0003] 1. The J2EE technical specification is container-centric. J2EE uses a container to provide a manageable operating environment for components residing in it. At the same time, the container also uses the container API (Application Program Interfaces, application programming interface) to provide system-level services for components running in the container. [0004] 2. J2EE is a set of coordinated specifications that simplifies enterprise applications using standardized and modular components. Due to the autonomy and addr...

Claims

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Application Information

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IPC IPC(8): G06F9/46
Inventor 史宇清
Owner 史宇清
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