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发表于 2012-11-13 08:48:12
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1判断语句
" `0 u4 `+ l9 n- @ if <condition> then
. ]: W8 p9 Z, P+ g! G9 e <statement sequence1>;* S" f/ T+ K! c
elseif <condition> then
" o% s1 Q) U {' t! c <statement sequence2>;
5 c) F; s; O6 C( \0 ~( @( Z: K% Y/ Y else
3 A" }6 u2 b f* s <statement sequence3>;' F) Z a! R' @% ^. S3 K/ [
end;
& G2 o$ w2 v5 M' f如果分支比较多，用：
1 ^" I# X5 ]0 p0 c7 B+ } inspect <expression>
" S/ M, M: C" f7 Y5 h7 c. O6 S$ M. w when <constant_list> then+ D' C- i- P. ~( V2 g6 ^
<statement sequence1>;* @- X/ e& V- Y! }+ r8 ?7 j$ o5 c
when <constant_list> then c7 B; d# Q \& x
<statement sequence2>;6 _* N' n" k- ^
...
6 z' L6 i' {0 b/ u2 ?0 u* S' E else
# L t1 A: w# M" \ <statement sequence3>;
/ f( Q. x0 N7 |0 }1 Qend;. F+ {- A; S8 s
- M0 \) a6 R! m0 s2循环语句" o+ H# E9 V/ x" Z$ v7 K
(1) from <statement sequence1>" J p; L$ |" m7 H2 z
until <condition> loop" f. I$ G1 g- n* t
<statement sequence2>;& K& H d- t: \% _ b! T+ s& [
end;
4 P2 q) Q. `! k E/ V (2) while <condition> loop
* A, ^, b/ Y8 `" n9 ? <statement sequence1>;
9 N+ P2 l! a" g, x t) C9 V Z end;, ~3 [. B* ?! K
(3) repeat 5 e4 J1 {( X3 `* x; A I6 ?! N
<statement sequence1>;. r1 t$ }* e/ V* Y
until <condition>;( q+ o9 z, V0 Q: s! n2 |
(4) for <condition> to <condition> loop
3 r1 m9 o6 R+ t9 M* H! D% C <statement sequence1>;# u! x8 y( B; E6 M& k% N! E& h3 g
next;2 d$ f: |0 y+ b5 d; m" }$ z8 c
3中断语句7 J0 l9 G. u! d3 J6 u/ g0 t! H4 P+ r
waituntil <condition> prio <integer expression>;' P. N( r6 r. H0 a5 h8 Q# L
+ e& y9 \2 }- [# D5 l* [0 P9 K& `$ c. z& k
以上为常用的函数！$ m6 @# R" t; Z( I" ~3 H( y3 C
还有很多，如有需要我把资料发到你邮箱里 & S$ ~# ]$ F7 y. Z2 H' C- P
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