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发表于 2012-11-13 08:48:12
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1判断语句1 P4 `' T. q+ k! D0 j
if <condition> then
" z) g$ F1 c$ |9 Y <statement sequence1>;0 o( e* w- }! m; G1 v9 A
elseif <condition> then/ D* m5 d, L, l- f9 R& e$ _
<statement sequence2>;
% f6 W9 N7 I0 m7 H; Y else
! f( q+ P: r& j' o; b <statement sequence3>;
K* |/ [. l5 D: n end;
8 e5 T# v m5 R" F2 z如果分支比较多，用：# y! {5 m' F& g }: V# l d# X8 P( o+ ]
inspect <expression>. B8 t0 L) M) B0 Z/ ?4 c$ B
when <constant_list> then8 z8 h* l7 O& F- O+ n. J
<statement sequence1>;
! u, z5 r5 t4 J7 [! F when <constant_list> then$ M9 E8 n6 H# `% w( K8 l5 F# N
<statement sequence2>;1 ]) s& `% a: k" T
...
- p$ J, h; k6 W% v5 I4 L else
* C: }6 n4 | z R <statement sequence3>;+ H0 n1 H3 ?8 x: F/ c
end;
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, [$ i9 n$ ~( E1 _2循环语句1 ~/ f2 u# V) J
(1) from <statement sequence1>
; @. T9 h. F9 Y" p+ L# D, H8 y) i2 c until <condition> loop: Y8 S6 W1 B8 |
<statement sequence2>;: r' h8 c; _6 S# ]( w( y& ]
end;% b0 j7 n+ ^5 ~, ^
(2) while <condition> loop
! l& a4 X+ x( w) K) X5 f# g" K <statement sequence1>;
9 v( y/ P# [1 i* Q' ?+ f end;" Q. q( J+ }- m6 U
(3) repeat 8 x. X& X; M$ a* [ c5 ~
<statement sequence1>;, ^% X9 u$ z" e* j
until <condition>;5 T5 H6 @' {0 H- q- y
(4) for <condition> to <condition> loop
* y, H( {5 L9 v <statement sequence1>;
2 ]) J/ ~4 D( a, B. q+ x( w next;
! b. V3 [$ R" L! E3 F# P3中断语句( Y7 O2 c9 u) V# W
waituntil <condition> prio <integer expression>;
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以上为常用的函数！7 |' Y* P6 `: P. i2 T* b
还有很多，如有需要我把资料发到你邮箱里 8 e; W) c5 ?6 `
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