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发表于 2012-11-13 08:48:12
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1判断语句& i4 C5 f& v6 D
if <condition> then* }- n6 `- A) E K& i1 [: p( [8 @
<statement sequence1>;
5 E3 B* Z, k" O elseif <condition> then& L5 I3 m2 @- w+ H$ F) l, ^
<statement sequence2>;+ c* ~/ c4 O& Q, u' d2 S
else
e w) _ ?6 O6 X; C$ @ <statement sequence3>;
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如果分支比较多，用：# \+ t& h; u' O0 f; _# O
inspect <expression>8 [1 O* P2 N' g o
when <constant_list> then
: w* X+ F5 r: G <statement sequence1>;& z+ _2 V2 I# t6 F: ^
when <constant_list> then- X0 V$ @- ]) T- [* T4 X2 u0 L" V
<statement sequence2>;3 R$ P6 c! j4 L
...
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<statement sequence3>;
- p" S6 a0 {: \& Oend;( E2 p" n. s- w7 f
+ [' G1 [2 ]' V3 z5 v- E5 N2循环语句
1 M/ n, x9 g$ X' O7 g (1) from <statement sequence1>* W% y3 b! l/ @6 O7 \( }3 e0 O
until <condition> loop
& n) {! o& g& t <statement sequence2>;
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(2) while <condition> loop
8 U, d5 j5 a: i; z3 m0 \ <statement sequence1>;( l- Q2 p" b) g, A! S/ l
end;
. }% S- r' g/ ~( B (3) repeat
: l! z2 }4 e! {& L# c <statement sequence1>;
" E! E# r0 K. C until <condition>;
: E* r$ H, [7 H; {. g8 \0 H (4) for <condition> to <condition> loop M0 W6 y; D* G* [, A" W/ a
<statement sequence1>;3 u# p) }1 ] a# j$ T& a" p- T
next;; ^ U; W9 s0 {0 Z
3中断语句
$ H! T( q" Y. y. X: y3 t waituntil <condition> prio <integer expression>;
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以上为常用的函数！
: Z$ s! G1 Z7 x, P还有很多，如有需要我把资料发到你邮箱里
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