农学毕业论文(5)

3.1.2 管理员管理 ························································································································ 2

3.2 用户测试及评估 ··················································································································· 2

3.3 后台评估 ······························································································································· 2 4 讨论 ·········································································································································· 2 参考文献 ···································································································· 错误！未定义书签。 附录 ············································································································ 错误！未定义书签。 致谢 ············································································································ 错误！未定义书签。

1 前言

我国作为最大的发展中国家和传统的农业大国，农业信息技术有着巨大的应用空间和广阔的发展前景。华南农业大学农学院为了适应我国--特别是改革开放的广东农业发展的需要，提出基于现代农业的专业改革，在农学专业下设四个方向，其中之一农业信。。。。。。。。。。。。。。。。。。。。。。优秀毕业生；其二是相关资讯的浏览，包括新闻和文章；其三课程资源的下载和评论；其四是师生讨论区；其五是管理员管理（马如等，1990；Feng, et al, 2001）。

2 材料与方法

2.1 材料

2.2 方法

2.2.1 需求分析

2.2.2 用户界面设计及开发

根据主要用户年轻化的特点，本例在配色方案和导航设计两方面以活泼为主，添加了一些传统网站少用的元素如灯箱效果和交互动画来增强用户体验。

2.2.3 MySQL数据库设计

新建数据库数据表及字段见表1。

表1 高秆野生稻群体主要农艺性状分析

性状

株高(cm)

穗数

实粒

空粒

2.2.4 采用Java开发JavaBean程序

JSP（Java Server Pages）可以使用成熟的JavaBean组件来实现复杂的业务功能。本例采用如下9个类，使用JDBC（Java Data Base Connectivity,java数据库连接）与数据库交互，实现数据的持久化（Java代码见附录）。通过JDBC编程接口，用Java程序设计语言编写的应用程序能够执行SQL（Structured Query Language,结构化查询语言）语句、检

1

最小值 1.73 3 2 260 最大值 平均值±标准误 3.26 24 3160 2100 2.23+0.00167 8.48+0.0181 178+1.582 855+1.9206 偏度 1.172 1.393 峰度 0.564 2.484 变异系数 0.153 0.438 2.992 0.459 5.903 43.768 1.016 0.745