With the development of computer networks， email has been an indispensable part of information Java-based Webmail system employs the B/S structure， avoiding the original disadvantages of the C/S Additionally， it was developed by exploiting the currently popular Java language and open source SSH It adopts the Apache James mail system， which is free， open source and supporting STMP and POP3 And it utilizes the most wide-spreading Oracle database nowadays for data This paper introduces the tools， languages and environments that are employed for the development of Java-based Webmail system; presents a detailed description of such fundamental functions and design methods as system registration， logon， management， sending and receiving In the design and analysis of the whole system， we give particular explanations on the function flow and function analysis of the email system; and exhibit every functional module In the implementation of the system， we describe the methods of implementing each Finally， we test the system in combination with software
With the development of computer network，e-mail hasbecome an indispensable part ofinformation transmissionin the WebJAVA mail systembased on the B/S structure，avoids the disadvantages ofthe original structure of C/SAnd the use of JAVAlanguage andopen sourceSSH development framework forthe Thefree，open sourcemail serverselection，support STMPand POP3 protocolof ApacheJames mail In the data storageusesat presentthe most widely used OThis paperintroduces theJavaWebmessageusing the system developmenttools，based onlanguage andenvironment，elaborates thebasic function and the design methodand thesystem ofregistration，login，management，send and receive In theanalysis and design of the wholesystem，a detailed analysis ofthe functional processes and functional analysisof email system，show thevarious functional modules of In the realization of the system，introduces the method of realization ofeach Finally，combined with the softwareengineering，the system is Topic: thedesign and implementation of Webmail system based on JAVAEnglish:JAVA-basedWebMailsystemDesignandImplementation
Based on the communication network Direct3D visual simulation engine design and implementationtheVisual Simulation (Visual Simulation) is used to realize 3 d space information visualization technology， it has a realistic Simulation effect and convenient operation method， can well satisfy the new plane avionics system design This paper designs and realizes an Direct3D based on the communication network visual simulation First， in this paper the characteristics of the visual simulation and the programming essentials Direct3D brief analysis of selection， and expounds the main reason for the Direct3D Secondly， put forward the visual simulation software， the total design project of the simulation software program and the software module partition the working process of the analysis of the various modules， explore the main functions and the relations among And then， based on the communication network of Direct3D visual simulation is the key technology of engine are analyzed and the study， introduces solutions discrete event simulation， Direct3D resource management and animation optimization and the mouse control technology， the key technology of the Finally， this essay discusses the Direct3D based on the communication network visual simulation software realization method， and in a more complex switched communication network as an example， the visual simulation， and the performance of the program was tested
illustrated by the case of Chengduillustrated by the example of Chengdu 也可以。然后其实很多英文教材书名都会说： An Asia Perspective，你觉得你这里用A Chengdu Perspective如何呢。就是从成都的角度来分析。
