程序 = File + New + VCL_Application + 运行
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拉动有右下角的小界面,移动到哪程序窗口就在哪出现
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添加按钮 = 右下角 + Palette + Standard + TButton + Quick_Edit + Caption
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win64 = 右上角 + Projects + Target_Platforms + Add_Platforms
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Delphi相关的四个文件
.cfg, .dof, .dpr, .res
.dpr是工程必备不可缺
.res是资源文件
.exe是可执行文件
.pas为源代码文件
.dcu是编译文件(由.pas生成)
.dfm为窗体文件
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打开一个工程 = File + Open_Project + .dproj
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Palette内的为控件
分为可视化控件和非可视化控件
可以增加第三方控件
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打开New_Items = File + New + Other
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Application_新建应用程序
Unit_新建单元
Form_新建窗体
Frame_新建隐性窗体
DataModule_新建数据模块
DLL_新建动态链接库
Package_新建包
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TADODataSet = 右下角 + Palette + dbGo
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TDataSource = 右下角 + Palette + Data_Access
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TDBGrid = 右下角 + Palette + Data_Controls
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数据库控件_三剑客
TADODataSet
TDataSource
TDBGrid
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TADODataSet介绍
属性:
Active_激活控件
ConnectString_数据源连接符
CommandText_SQL文本集
事件:
Open/ Close_打开/关闭数据集
Insert_插入数据
Append_追加数据
Post_保存数据
Cancel_取消保存数据
Delete_删除数据
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属性&事件 = 左下角 + Object_Inspector + Properties&Events
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连接数据库 = TADODataSet + 左下角 + Object_Inspector + Properties + ConnectString + Build
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指定DataSet = TDataSource+ 左下角 + Object_Inspector + Properties + DataSet
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指定DataSource = DBGrid + 左下角 + Object_Inspector + Properties + DataSource
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使数据库连接活跃 = TADODataSet + 左下角 + Object_Inspector + Properties + Active✔
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添加表中的列 = DBGrid + 左下角 + Object_Inspector + Properties + Columms + 点击添加 + FieldName
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自定义列名 = DBGrid + 左下角 + Object_Inspector + Properties + Columms + 点击添加 + Title + Caption
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按钮获取数据 = TButton + 左下角 + Object_Inspector + Events + OnClick
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打开数据库连接_ShuJuKuLianJie.Open
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*相关程序_Project1.dproj
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