Application Of MVC Framework In The Direct Purchase System Which Is The Material Commercial Network Of National Electricity

With the violent development of Internet, e-commerce is also emerging fast .This project this belong to e-commerce of B-B mode, The system is an e-commerce platform of transaction for Chinese National Electricity Co. group company, which is In order to realize open, transparent and standardization in the purchase system . guaranteeing the peace and steadiness of economical operation and electric power construction is finished smoothly. Developing the system of purchasing , which in order to simplify the business procedure , Improving working efficiency, which could be reduce the operation cost.Powerec carried on project implementation with purchasing the investigation and research of the procedure to the Chinese group company of National Electricity Co. and 82 affiliated power factories, combine the bid book" the management information system technical specification book of goods and materials -the commercial net part of National Electricity Co. goods and materials ", This system will build up an E-commerce platform which business could cover the national manufacturer and face the Chinese group company of National Electricity Co. and the affiliated power factories, which will realize standardizing the procedure of purchase of goods and materials , reduce the purchase cost of goods and materials. What this system is realized is electronic bid based and purchase on internet. What this thesis recommends is a sub module purchasing the module on the net --Direct Purchase. During web system design,as more and more complex the business becomes,people is always focusing on how to enhance the system's efficiency,reusable ability,extensible ability and reduce the cost of system.In the past few years,one of the research and develop trends of the field is reuse-based framework technology.One of them is the Jakarta Struts,which was conceived by Craig McClanahan in May of 2000, combining two of the most popular server?side Java technologies—JSPs and servlets—into a server?side implementation of the Model?View?Controller design pattern.It has been under the watchful eye of the Apache Jakarta open source community since that time.in emerging,our group have rapidly created a reusable extensible system with clear architecture using Struts technology.This thesis focus on MVC design pattern,WebForm,resueable code,to sum up the implements of Jakarta Struts in Direct Purchase System This thesis divides into four parts, amount to five chapters. The first part is chapter one, introducing the current situation of the development of e-commerce , drawing the necessity of e-commerce of developing electric enterprises; Explaining the research of current situation that MVC building up at the same time, including why the system's development will be choose MVC framework and the advantage of development by MVC. And then introduced the purpose of this system and the function. The Second part is chapter two, introducing MVC framework, relevant technological main points of Struts and J2EE, introducing the e-commerce developing platform BroadVision One-To-One with peculiar system at the same time . The third part is chapter three, introduce the systematic construction background and system overview. This part has explained in detail " commercial network of National Electricity Co. goods and materials " which is an organic component of " the management information system of National Electricity Co. goods and materials ", which is the e-commerce platform where the group and affiliated grass-roots unit called for bid and purchased. " National Electricity Co. goods and materials commercial net " sets up the online environment of " openness , justice and fairness ", realizing obstacle purchase in enterprise on the net , realizing direct purchase, Inquire the price to purchase , agreement purchase , compete price, bid and many kinds of transaction mode. Reduce the transaction cost, raise the efficiency of purchasing. Offer and purchase and call for bid overall management , offer information organization and releasing , inquire and maintaining , such functions as the catalogue is safeguarded to enterprises. The fourth part is chapter four and chapter five, which part recommend The whole course Including from the demanding analysis , realizing and testing , explaining the Application of MVC in the system realizing in detail, including struts frame designed. The business model of this system is: The purchasing agent who operates the authority log-in www.gdmec.net, beginning direct purchase, this system offers two to purchase the entry , which are establish inquiry sheet manually and establish inquiry sheet in Synchronism, after entering procedure of purchasing , choosing the products from supplier's catalogue of purchasing, confirming inquiry sheet that is salesman of supplier that send , then filling in the basic information of the inquiry sheet, then sending...