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发表于 2012-11-13 08:48:12
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1判断语句
# c5 I% \0 M; Z+ b. o( q/ E if <condition> then
+ s7 ?0 y) R2 R) p <statement sequence1>;
* _6 M* @- M1 c0 j1 S2 V+ z elseif <condition> then- @& C% B% }' h2 i
<statement sequence2>;
1 v0 V; J; O! g else 2 L0 a2 ?9 P7 ]( c+ H# |
<statement sequence3>;
6 Y& \9 n+ V( ]( H9 K( \( o end;
3 {2 u4 t6 l( |# W! a如果分支比较多，用：
' P4 n" \0 K# ]0 e inspect <expression>
( y$ ?. M- f) }& }; U7 k- M* _( j when <constant_list> then6 w/ h$ h4 q0 w) ^' j! e
<statement sequence1>;6 ?& I {* F6 N x1 I. E
when <constant_list> then
- X t8 x) Q6 P/ \9 r& g- a <statement sequence2>;8 j t) J/ \! M1 ~2 d. O0 o/ n
...
' e/ S% P, q' w+ Z9 F1 j+ o else
2 f, @& o8 U+ r& P& r& N) b& T <statement sequence3>;, s7 D$ e) l" y
end;
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2循环语句
4 Z! R& e5 Y* a) o1 Q, s- P! \ (1) from <statement sequence1>* a! c: k, c) H) @# A
until <condition> loop
( g! J+ u2 u4 G) F8 ~ <statement sequence2>;
6 c$ U/ \5 }) y end;
+ M0 y8 E7 z k" k (2) while <condition> loop
9 {, v9 B+ D4 Z# ]7 d <statement sequence1>;
/ A/ J9 A: q0 w0 h end;$ Z) a% O0 l* ~5 V5 N+ R U
(3) repeat ' A8 ] r- j6 \/ B
<statement sequence1>;; r3 @( k: l% R
until <condition>;- H8 S1 e; U, u
(4) for <condition> to <condition> loop
! B& t! X4 _9 G5 x. j <statement sequence1>;
0 n( n N/ U7 I9 t: O+ P2 f# r next;
9 Z* P- j; z" Z5 }3中断语句/ f, x4 ]8 s* v. @
waituntil <condition> prio <integer expression>;8 G. c% S7 F# P$ }. X
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3 s# X5 v, K* T* |% N4 V5 O9 D" c/ X以上为常用的函数！
- O$ P6 k% E7 g% X N还有很多，如有需要我把资料发到你邮箱里 , q" L# g, F1 J2 |0 B- X9 g
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