目录 7.1.6对象赋值语句( Object Assignment Statements) 71.7声明对象语句的进阶( More on Declaring Objects) 71.8辅助命令( Auxiliary Commands) 7.1.9管理对象容器( Managing Object Containers) 71.10管理对象( Managing Objects) 266 72编程基础( Program basics) 721建立程序( Creating a Program) 72.2保存程序( Saving a program) 72.3打开程序( Opening a Program) 72.4执行程序( Executing a progran 725中止程序( Stopping a Program) 72.6简单程序举例( Simple Programs) 73程序变量( Program variables) 7.3.1控制变量( Control Variables) 73.2字符串变量( String variables) 73.3字符串运算( Manipulating Strings) 73.4置换变量( Replacement Variables) 735程序中的形式参数( Program arguments) 74怎样控制一个程序( Controlling a Progra) 7.4.1IF语句( IF Statements) 742FOR循环语句( The FOR Loop) 74.3 WHILE当循环语句( The WHILE Loop) 7.4.4其它控制流程的工具( Other Flow of Control Tools).86 7.5子程序( Subroutines) 7.5.1定义子程序( Defining Subroutines) 75.2具有形式参数的子程序( Subroutine with arguments)88 7.5.3子程序的布局( Subroutine placement) 75.4调用子程序( Calling subroutines) 7.5.5全局变量和局域变量( Global and Local Variables) 7.5.6局域子程序( Local subroutines) 76程序的加密技术( Program Encryption) 8示例 8.1创建工作文件和导入数据( Creating a Workfile and Import- Data)8¹ 3 7.1.6 éDŠŠé£Object Assignment Statements¤ . . . 60 7.1.7 (²éŠé?£More on Declaring Objects¤ . 61 7.1.8 9Ï·-£Auxiliary Commands¤ . . . . . . . . . . . 61 7.1.9 +néNì£Managing Object Containers¤ . . . . 62 7.1.10 +né£Managing Objects¤ . . . . . . . . . . . . . 65 7.2 ?§Ä:£Program Basics¤ . . . . . . . . . . . . . . . . . . 66 7.2.1 ïá§S£Creating a Program¤ . . . . . . . . . . . . 66 7.2.2 §S£Saving a Program¤ . . . . . . . . . . . . . 67 7.2.3 ‹m§S£Opening a Program¤ . . . . . . . . . . . . 67 7.2.4 ‰1§S£Executing a Program¤ . . . . . . . . . . . 67 7.2.5 ¥Ž§S£Stopping a Program¤ . . . . . . . . . . . . 69 7.2.6 {ü§SÞ~£Simple Programs¤ . . . . . . . . . . . 69 7.3 §SCþ£Program Variables¤ . . . . . . . . . . . . . . . . . 71 7.3.1 ››Cþ£Control Variables¤ . . . . . . . . . . . . . 71 7.3.2 iÎGCþ£String Variables¤ . . . . . . . . . . . . . 72 7.3.3 iÎG$Ž£Manipulating Strings¤ . . . . . . . . . . 74 7.3.4 †Cþ£Replacement Variables¤ . . . . . . . . . . 76 7.3.5 §S¥/ªëê£Program Arguments¤ . . . . . . 78 7.4 N››‡§S£Controlling a Program¤ . . . . . . . . . 80 7.4.1 IFŠé£IF Statements¤ . . . . . . . . . . . . . . . . 80 7.4.2 FOR̂Šé£The FOR Loop¤ . . . . . . . . . . . . 82 7.4.3 WHILÊŠé£The WHILE Loop¤ . . . . . . . 85 7.4.4 Ù§››6§óä£Other Flow of Control Tools¤ . 86 7.5 f§S£Subroutines¤ . . . . . . . . . . . . . . . . . . . . . . 87 7.5.1 ½Âf§S£Defining Subroutines¤ . . . . . . . . . . 87 7.5.2 äk/ªëêf§S£Subroutine with arguments¤ 88 7.5.3 f§SÙÛ£Subroutine Placement¤ . . . . . . . . 89 7.5.4 N^f§S£Calling Subroutines¤ . . . . . . . . . . . 89 7.5.5 ÛCþÚۍCþ£Global and Local Variables¤ . 90 7.5.6 ۍf§S£Local Subroutines¤ . . . . . . . . . . . . 92 7.6 §S\Eâ£Program Encryption¤ . . . . . . . . . . . . 94 8 «~ 95 8.1 Mï󊩇Ú\êâ£Creating a Workfile and Import￾ing Data¤ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96