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发表于 2012-11-13 08:48:12
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1判断语句
% T# o1 m @7 O" K5 E7 Y+ T6 R if <condition> then
) {3 Z; u+ Z* \+ s <statement sequence1>;* P0 c6 J9 |( y! h8 v$ w
elseif <condition> then
8 \" `: ~ R) O' C6 X <statement sequence2>;; V" O7 V5 R2 x; s$ Q7 G& z) \
else
6 L3 B# R! p3 Y- r: d/ J <statement sequence3>;$ m7 w' d/ [' j' Z. x7 P5 e
end;
+ V9 s t T! j$ Z如果分支比较多，用：8 Z# F6 p6 x |1 `1 H5 \0 t$ y5 G
inspect <expression>5 x& | @% F' @ D4 }' }4 s4 |
when <constant_list> then
% X+ ]& c' T% T+ f <statement sequence1>;# Y& V; m9 \) \6 C) G7 V& y% R. z
when <constant_list> then, g4 s5 K! P' c R
<statement sequence2>;" q) x, B' R% k& C, r
...
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<statement sequence3>;
' S& P" B* I% d/ _end;
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$ n- ?) c$ Z2 s$ a$ Q: G6 {/ a4 D2循环语句
. N1 W; t9 O5 v" {: Z; B: \ (1) from <statement sequence1>9 W- x% {4 Y+ z4 u3 \% n0 J3 y% F
until <condition> loop
' J ^- U3 X& W: I* y3 R <statement sequence2>;
: F1 H7 M D0 g. R( T/ R- A8 _' K end;
4 m. V+ r3 ^: v4 B; ~ (2) while <condition> loop6 _5 F- X0 `3 ]. R# L
<statement sequence1>;
6 K9 E5 B& v8 w! l0 K- { end;. P4 }8 @& `1 e/ E, K# a
(3) repeat
& K% |" E4 a- a6 N9 Q7 x0 R% v <statement sequence1>;
& M w, u" @0 B0 z5 c5 A until <condition>;+ n2 O( n/ N/ l9 B, P
(4) for <condition> to <condition> loop3 u# G M9 U: [/ h, a
<statement sequence1>;2 K T9 a; [3 ]0 @2 N- f
next;
% q$ \+ {6 g* ?% ~! ~: w3中断语句
8 X D) {. J3 [4 t+ a4 p% N waituntil <condition> prio <integer expression>;' y# e4 x; h( c0 O/ g' a' a
5 Q1 I; r3 ]& Q9 A" v
3 X1 r. z. @% K0 S3 `0 a! i2 d- Z以上为常用的函数！
' @8 K: V3 Z2 |/ \还有很多，如有需要我把资料发到你邮箱里
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