powerbuild9.0 入门教程

【实例截图】

【核心代码】

第 1 章 Hello World...........................................................................................................................1
1.1 创建 WorkSpace..................................................................................................................1
1.2 创建 Target ..........................................................................................................................2
1.3 创建窗口 .............................................................................................................................4
1.3.1 修改 Title 属性.........................................................................................................6
1.3.2 放置命令按钮...........................................................................................................6
1.3.3 编写脚本 ..................................................................................................................7
1.4 在 Application 对象上编写脚本.........................................................................................9
第 2 章 数据库 ................................................................................................................................12
2.1 创建数据库 .......................................................................................................................12
2.2 连接数据库 .......................................................................................................................16
2.2.1 创建 DSN ...............................................................................................................16
2.2.2 建立 DB Profile......................................................................................................19
2.3 创建数据表 .......................................................................................................................20
2.3.1 使用 Database 画板创建数据表............................................................................20
2.3.2 使用 PowerDesigner 创建数据表..........................................................................28
2.3.3 导出已有的数据表.................................................................................................39
第 3 章 窗口和菜单 ........................................................................................................................41
3.1 创建版权信息窗口 ...........................................................................................................41
3.2 创建主菜单 .......................................................................................................................47
3.3 创建主窗口 .......................................................................................................................52
3.4 创建屏幕保护窗口 ...........................................................................................................54
第 4 章 Application 对象.................................................................................................................58
第 5 章 数据窗口对象 ....................................................................................................................65
5.1 名片录入数据窗口 ...........................................................................................................65
5.2 名片修改数据窗口 ...........................................................................................................70
5.3 名片查询数据窗口 ...........................................................................................................72
第 6 章 错误处理机制 ....................................................................................................................74
第 7 章 多用户 ................................................................................................................................80
7.1 登录窗口 ...........................................................................................................................80
7.2 权限分配 ...........................................................................................................................84
7.2.1 创建 dw_users ........................................................................................................84
7.2.2 创建 w_users ..........................................................................................................86
7.2.3 创建 w_privelege....................................................................................................90
7.3 初始化 ...............................................................................................................................93
第 8 章 编写数据录入程序 ............................................................................................................95
8.1 创建全局函数 gf_getbh....................................................................................................95
．III．
8.2 创建窗口 w_mp_input......................................................................................................97
第 9 章 编写数据修改程序 ..........................................................................................................102
9.1 查询条件窗口 .................................................................................................................102
9.2 修改窗口 .........................................................................................................................104
第 10 章 编写查询程序 ................................................................................................................108
10.1 名片查询程序 ...............................................................................................................108
10.2 通用查询一 ...................................................................................................................109
10.2.1 显示所有数据表.................................................................................................109
10.2.2 设置查询条件.....................................................................................................111
10.2.3 设计窗口 ............................................................................................................111
10.3 通用查询二 ...................................................................................................................115
10.3.1 获取指定表中的字段.........................................................................................116
10.3.2 修改程序 ............................................................................................................118
10.4 通用查询三 ...................................................................................................................120
第 11 章 可恢复的删除.................................................................................................................123
11.1 准备知识........................................................................................................................123
11.1.1 缓冲区.................................................................................................................123
11.1.2 应用实例.............................................................................................................124
11.2 名片修改程序二............................................................................................................126
11.3 名片修改程序三............................................................................................................128
第 12 章 通用打印预览 ................................................................................................................131
第 13 章 通用排序程序 ................................................................................................................134
13.1 通用排序一 ...................................................................................................................134
13.1.1 创建数据窗口对象.............................................................................................134
13.1.2 设计窗口程序.....................................................................................................134
13.2 通用排序二 ...................................................................................................................140
第 14 章 制作帮助 ........................................................................................................................143
14.1 软件快速入门 ...............................................................................................................143
14.2 创建项目 .......................................................................................................................143
14.3 设置工程属性 ...............................................................................................................147
14.3.1 设置工程属性.....................................................................................................147
14.3.2 设置运行窗口属性.............................................................................................148
14.4 添加内容和索引 ...........................................................................................................150
14.5 全文搜索功能 ...............................................................................................................154
第 15 章 编译程序 ........................................................................................................................157
第 16 章 制作安装盘 ....................................................................................................................161
16.1 基本概念 .......................................................................................................................161
16.1.1 安装盘 ................................................................................................................161
16.1.2 程序组 ................................................................................................................161
．IV．
16.1.3 文件组、部件、安装类型.................................................................................162
16.2 使用步骤 .......................................................................................................................162
16.2.1 创建工程 ............................................................................................................162
第 17 章 编码规范 ........................................................................................................................173
17.1 综 述 .......................................................................................................................173
17.1.1 编程对象的分类.................................................................................................173
17.1.2 编程对象的组织.................................................................................................173
17.2 团 队 开 发 .................................................................................................................174
17.3 版 本 说 明 .................................................................................................................174
17.4 对象命名规范 ...............................................................................................................175
17.4.1 命名约定 ............................................................................................................175
17.4.2 具体命名规则.....................................................................................................175
17.5 变量命名规范 ...............................................................................................................179
17.5.1 变量类型约定.....................................................................................................180
17.5.2 变量范围命名约定.............................................................................................180
17.6 编 程 规 范 .................................................................................................................181
17.6.1 书写格式 ............................................................................................................181
17.6.2 流控制 ................................................................................................................182
17.6.3 注释及格式要求.................................................................................................182
17.6.4 Powerbuilder 脚本编程规范...............................................................................184
17.7 控件编程规范 ...............................................................................................................187
17.7.1 公共部分 ............................................................................................................187
17.7.2 控件细则 ............................................................................................................188
17.8 用 户 反 馈 .................................................................................................................191
17.8.1 使用反馈的场合.................................................................................................191
17.8.2 提供反馈的几种技术手段.................................................................................192
17.9 提高程序的健壮性 .......................................................................................................192
17.9.1 安全的应用软件.................................................................................................192
17.9.2 什么是安全的应用.............................................................................................192
17.9.3 使用数据窗口中应注意的问题.........................................................................193
17.10 文 档 标 准 ...............................................................................................................195
17.10.1 注释 ..................................................................................................................195
17.10.2 联机帮助 ..........................................................................................................195
17.11 错误处理标准..............................................................................................................196
17.12 其 他 .....................................................................................................................196