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发表于 2012-11-13 08:48:12
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1判断语句
, z+ I4 J$ D' R2 z0 B. h if <condition> then
. _1 j1 P7 ]4 F6 ^0 D7 l <statement sequence1>;
: U" j7 Y' k: L elseif <condition> then* S, F x, W& _+ A% J# w% j! }
<statement sequence2>;2 ?9 M- L7 R0 ?) o5 X& B J
else
/ E& d1 P9 M: P9 B2 n& T# x <statement sequence3>;7 \/ M7 Z* L+ k
end;
5 |+ X+ j0 \' y' `5 k; \; Y如果分支比较多，用：
8 o) D2 f" R6 y+ Q8 V inspect <expression>
7 E% T8 U5 r5 `2 ~ when <constant_list> then
" t) t1 h& L. g: E/ y4 R) \. t1 g <statement sequence1>;8 H t+ G: M5 t1 \
when <constant_list> then
* U" d: ^1 {7 F8 z. g9 x/ y <statement sequence2>;$ U' A! s% c7 n; `
...9 n) ^! h7 {- _" Z4 I$ d: r
else
2 A0 n% B& m$ d) M <statement sequence3>;
: ]; M6 Q' v' [7 T4 |end;7 @" f5 v- Q9 f; |
. t0 E d7 p$ {4 {6 x2循环语句$ V& t! V. H" N v9 P1 z
(1) from <statement sequence1> C f2 R+ X; c2 C+ V( ^8 G6 [
until <condition> loop
8 Q. d/ u" f; [$ |: H) ] <statement sequence2>;' K; ~& @0 f* M. n+ C" `
end;
7 i! w5 { [- |& B) A (2) while <condition> loop
" D! L' A; b6 n4 c <statement sequence1>;
4 Q8 {$ m- C! M& C) M end;
8 T" ~) D3 S3 V6 z) l# y5 o (3) repeat ; t4 u) Z$ t6 P, u
<statement sequence1>;( M/ k0 T- `* \* l) J
until <condition>;
& g8 n! |" x- ` S8 u! H; o (4) for <condition> to <condition> loop
* b4 C7 D- F3 a% ], p <statement sequence1>;
; d$ e- J7 |: E! x next; m( q2 s, R' x
3中断语句
6 M$ f* r7 x) @/ x9 b waituntil <condition> prio <integer expression>;$ _, J* l# @+ m7 v# }8 }; k$ D
+ u- X7 W- S j. O# q4 S# c5 c- J& Q" F/ m
以上为常用的函数！
% S* n( m1 S" T9 f还有很多，如有需要我把资料发到你邮箱里 5 ]) T; n' N( f* s I6 L6 D& m
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