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发表于 2012-11-13 08:48:12
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1判断语句3 \, o2 O$ x8 G- c, B0 y
if <condition> then
7 B! k, O' b Y# L <statement sequence1>;
( w# n" T8 U) Y elseif <condition> then! [2 q# a4 y8 _1 y9 `
<statement sequence2>;/ q: `- }% z; `2 }1 ?$ S1 S. [6 {
else
% {& K A# r+ i7 b; Z% G3 ]3 x5 M <statement sequence3>;9 ?8 j+ @5 m6 Y7 Q/ n
end;
2 Y5 h8 ?+ K8 W如果分支比较多，用：
: i% d; u( z; i. l7 s: } f inspect <expression>: ~- @# Y" `* I8 K* C. V( T
when <constant_list> then
( ^7 ]+ b9 B u& k <statement sequence1>;
( X, Z, e7 V# G& A) n when <constant_list> then
5 u7 {: Z+ p+ L- w" H+ n! f5 Q5 y, Y <statement sequence2>;6 o1 U( N( P) G& M9 Y& S0 c$ B0 N
.... o0 B8 g5 V4 V, T! g' ^
else
# b# k" W3 u+ f! @$ c <statement sequence3>;. E/ r; w9 \! }( L/ b7 k8 t5 e# v3 J
end;3 n9 f2 c, {4 o
- x6 i; J9 z5 m; z# e* [2循环语句
/ ~- ^& N( w3 e% d2 G (1) from <statement sequence1>
6 r6 E% `; f" w' E5 X/ _. i- ? until <condition> loop
V H( P f n% r3 A7 l: C <statement sequence2>;
1 i- ]* t/ t, q$ e) W% }" ^ end;
* C3 G0 J5 R1 i# n (2) while <condition> loop
0 m/ f# ?$ ^, s/ P. z* D <statement sequence1>;
% Z6 O9 {( k( v7 G# c6 p& d end;- x& s* ^5 q, C9 _
(3) repeat
+ X* k" j( R. A <statement sequence1>;* p+ H& C9 c& C8 ~3 p! T
until <condition>;
* K: D: B2 F2 `+ V' B7 o (4) for <condition> to <condition> loop. z. @' {8 I- d; ]
<statement sequence1>;; d& A3 Q1 O) I m# f- [/ Z$ b
next;" |- H8 R6 Q. E. P3 x$ c5 ~( K0 C
3中断语句
+ k: e; ~8 E& p waituntil <condition> prio <integer expression>;
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以上为常用的函数！
7 G8 F$ q3 m3 K还有很多，如有需要我把资料发到你邮箱里
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